Blackrock Index Funds Inc.
05/05/2026 | Press release | Distributed by Public on 05/05/2026 11:52
Summary Prospectus by Investment Company (Form 497K)
APRIL 30, 2026
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Summary Prospectus
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BlackRock Index Funds, Inc. | Class G Shares
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iShares MSCI EAFE International Index Fund
Class G: BTMGX
Before you invest, you may want to review the Fund's prospectus, which contains more information about the Fund and its risks. You can find the Fund's prospectus (including amendments and supplements), reports to shareholders and other information about the Fund, including the Fund's statement of additional information, online at https://www.blackrock.com/prospectus. You can also get this information at no cost by calling (800) 537-4942 or by sending an e-mail request to [email protected], or from your financial professional. The Fund's prospectus and statement of additional information, both dated April 30, 2026, as amended and supplemented from time to time, are incorporated by reference into (legally made a part of) this Summary Prospectus.
This Summary Prospectus contains information you should know before investing, including information about risks. Please read it before you invest and keep it for future reference.
The Securities and Exchange Commission has not approved or disapproved these securities or passed upon the adequacy of this Summary Prospectus. Any representation to the contrary is a criminal offense.
Not FDIC Insured ● May Lose Value ● No Bank Guarantee
Summary Prospectus
Key Facts About iShares MSCI EAFE International Index Fund
Investment Objective
The investment objective of iShares MSCI EAFE International Index Fund ("MSCI EAFE International Index Fund" or the "Fund"), a series of BlackRock Index Funds, Inc. (the "Corporation"), is to match the performance of the MSCI EAFE Index (Europe, Australasia, Far East) (the "MSCI EAFE Index" or the "Underlying Index") in U.S. dollars with net dividends as closely as possible before the deduction of Fund expenses.
Fees and Expenses of the Fund
This table describes the fees and expenses that you may pay if you buy, hold and sell Class G Shares of MSCI EAFE International Index Fund. You may pay other fees, such as brokerage commissions and other fees to your financial professional or your selected securities dealer, broker, investment adviser, service provider or industry professional (including BlackRock Advisors, LLC ("BlackRock") and its affiliates) (each, a "Financial Intermediary"), which are not reflected in the table and example below.
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Annual Fund Operating Expenses
(expenses that you pay each year as a
percentage of the value of your investment)
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Class G
Shares
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Management Fee1
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0.01%
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Distribution and/or Service (12b-1) Fees
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None
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Other Expenses2,3
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0.02%
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Administration Fees3
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0.02%
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Independent Expenses2
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-
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Total Annual Fund Operating Expenses3
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0.03%
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Fee Waivers and/or Expense Reimbursements1,2
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-
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Total Annual Fund Operating Expenses After Fee Waivers and/or Expense Reimbursements1,2,3
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0.03%
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1
As described in the "Management of the Fund" section of the Fund's prospectus beginning on page 26, BlackRock has contractually agreed to waive the management fee with respect to any portion of the Fund's assets estimated to be attributable to investments in other equity and fixed-income mutual funds and exchange-traded funds managed by BlackRock or its affiliates that have a contractual management fee, through June 30, 2027. In addition, BlackRock has contractually agreed to waive its management fees by the amount of investment advisory fees the Fund pays to BlackRock indirectly through its investment in money market funds managed by BlackRock or its affiliates, through June 30, 2027. The contractual agreements may be terminated upon 90 days' notice by a majority of the non-interested directors of the Corporation or by a vote of a majority of the outstanding voting securities of the Fund.
2
Independent Expenses consist of the Fund's allocable portion of the fees and expenses of the independent directors of the Corporation, counsel to such independent directors and the independent registered public accounting firm that provides audit services to the Fund. BlackRock has contractually agreed to reimburse, or provide offsetting credits to, the Fund for Independent Expenses through June 30, 2036. After giving effect to such contractual arrangements, Independent Expenses will be 0.00%. Such contractual arrangements may not be terminated prior to July 1, 2036 without the consent a majority of the non-interested directors of the Corporation (with 90 days' notice) or by a vote of the majority of outstanding voting securities of the Fund.
3
The Administration Fee for Class G Shares of the Fund is 0.015%. The Total Annual Fund Operating Expenses and the Total Annual Fund Operating Expenses After Fee Waivers and/or Expense Reimbursements is 0.025%.
Example:
This Example is intended to help you compare the cost of investing in the Fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the Fund's operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be:
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1 Year
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3 Years
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5 Years
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10 Years
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Class G Shares
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$3
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$10
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$17
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$39
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2
Portfolio Turnover:
The Fund pays transaction costs, such as commissions, when it buys and sells securities (or "turns over" its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when shares are held in a taxable account. These costs, which are not reflected in annual fund operating expenses or in the Example, affect the Fund's performance. During the most recent fiscal year, the Fund's portfolio turnover rate was 8% of the average value of its portfolio.
Principal Investment Strategies of the Fund
MSCI EAFE International Index Fund employs a "passive" management approach, attempting to invest in a portfolio of assets whose performance is expected to match approximately the performance of the MSCI EAFE Index. The Fund will be substantially invested in securities in the MSCI EAFE Index, and will invest, under normal circumstances, at least 80% of its assets in securities or other financial instruments that are components of or have economic characteristics similar to the securities included in the MSCI EAFE Index. The Fund may change its target index if Fund management believes a different index would better enable the Fund to match the performance of the market segment represented by the current index.
MSCI EAFE International Index Fund invests in a statistically selected sample of equity securities included in the MSCI EAFE Index and in derivative instruments linked to the MSCI EAFE Index. Equity securities include common stock, preferred stock and securities or other instruments whose price is linked to the value of common stock. The Fund will, under normal circumstances, invest in all of the countries represented in the MSCI EAFE Index. The Fund may not, however, invest in all of the companies within a country represented in the MSCI EAFE Index, or in the same weightings as in the MSCI EAFE Index.
Principal Risks of Investing in the Fund
Risk is inherent in all investing. The value of your investment in MSCI EAFE International Index Fund, as well as the amount of return you receive on your investment, may fluctuate significantly from day to day and over time. You may lose part or all of your investment in the Fund or your investment may not perform as well as other similar investments. An investment in the Fund is not a bank deposit and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other Government agency. The following is a summary description of the principal risks of investing in the Fund. The relative significance of each risk factor below may change over time and you should review each risk factor carefully.
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Equity Securities Risk - Stock markets are volatile. The price of equity securities fluctuates based on changes in a company's financial condition and overall market and economic conditions.
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Foreign Securities Risk - Foreign investments often involve special risks not present in U.S. investments that can increase the chances that the Fund will lose money. These risks include:
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The Fund generally holds its foreign securities and cash in foreign banks and securities depositories, which may be recently organized or new to the foreign custody business and may be subject to only limited or no regulatory oversight.
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Changes in foreign currency exchange rates can affect the value of the Fund's portfolio.
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The economies of certain foreign markets may not compare favorably with the economy of the United States with respect to such issues as growth of gross national product, reinvestment of capital, resources and balance of payments position.
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The governments of certain countries, or the U.S. Government with respect to certain countries, may prohibit or impose substantial restrictions through capital controls and/or sanctions on foreign investments in the capital markets or certain industries in those countries, which may prohibit or restrict the ability to own or transfer currency, securities, derivatives or other assets.
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Many foreign governments do not supervise and regulate stock exchanges, brokers and the sale of securities to the same extent as does the United States and may not have laws to protect investors that are comparable to U.S. securities laws.
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Settlement and clearance procedures in certain foreign markets may result in delays in payment for or delivery of securities not typically associated with settlement and clearance of U.S. investments.
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The Fund's claims to recover foreign withholding taxes may not be successful, and if the likelihood of recovery of foreign withholding taxes materially decreases, due to, for example, a change in tax regulation or approach in the
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foreign country, accruals in the Fund's net asset value for such refunds may be written down partially or in full, which will adversely affect the Fund's net asset value.
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Index-Related Risk - The index provider may rely on various sources of information to assess the criteria of components of the Underlying Index, including information that may be based on assumptions and estimates. Neither the Fund nor BlackRock can offer assurances that the index provider's methodology or sources of information will provide an accurate assessment of included components. Errors in index data, index computations or the construction of the Underlying Index in accordance with its methodology may occur, and the index provider may not identify or correct them promptly or at all, which may have an adverse impact on the Fund and its shareholders. Unusual market conditions or other unforeseen circumstances (such as natural disasters, political unrest or war) may impact the index provider or a third-party data provider and could cause the index provider to postpone a scheduled rebalance. This could cause the Underlying Index to vary from its normal or expected composition.
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Large-Capitalization Companies Risk - Large-capitalization companies may be less able than smaller-capitalization companies to adapt to changing market conditions and competitive challenges. Large-capitalization companies may be more mature and subject to more limited growth potential compared with smaller-capitalization companies. The performance of large-capitalization companies could trail the overall performance of the broader securities markets.
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Passive Investment Risk - Because BlackRock does not select individual companies in the index that the Fund tracks, the Fund may hold securities of companies that present risks that an investment adviser researching individual securities might seek to avoid.
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Small and Mid-Capitalization Company Risk - Companies with small or mid-size market capitalizations will normally have more limited product lines, markets and financial resources and will be dependent upon a more limited management group than larger capitalized companies. In addition, it is more difficult to get information on smaller companies, which tend to be less well known, have shorter operating histories, do not have significant ownership by large investors and are followed by relatively few securities analysts.
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Tracking Error Risk - The Fund is subject to the risk of "tracking error," which is the divergence of the Fund's performance from that of the Underlying Index. Tracking error may occur due to a number of factors, including differences between the securities and other assets held in the Fund's portfolio and those included in the Underlying Index; differences in the timing and methodologies used to value securities and other assets; transaction costs and other expenses incurred by the Fund that the Underlying Index does not incur; the Fund's holding of uninvested cash; differences in the timing of the accrual or the valuation of dividends or interest received by the Fund or distributions paid to Fund shareholders; tax gains or losses; differences between the amount and/or timing of withholding taxes on dividends reflected in the Underlying Index from the Fund's obligation, if any, for foreign withholding taxes; the requirements for the Fund to maintain pass-through tax treatment; portfolio transactions carried out to minimize the distribution of capital gains to shareholders; changes to the Underlying Index, such as during a rebalancing or reconstitution; and impacts to the Fund of complying with certain regulatory requirements or limits. A fund that tracks an index composed of a large number of securities or other assets may experience greater tracking error than a fund that tracks a more narrow index. Tracking error risk may be heightened during times of increased market volatility or other unusual market conditions.
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Market Risk and Selection Risk - Market risk is the risk that one or more markets in which the Fund invests will go down in value, including the possibility that the markets will go down sharply and unpredictably. The value of a security or other asset may decline due to changes in general market conditions, economic trends or events that are not specifically related to the issuer of the security or other asset, or factors that affect a particular issuer or issuers, exchange, country, group of countries, region, market, industry, group of industries, sector or asset class. Local, regional or global events such as war, acts of terrorism, the spread of infectious illness or other public health issues like pandemics or epidemics, recessions, or other events could have a significant impact on the Fund and its investments. Selection risk is the risk that the securities selected by Fund management will underperform the markets, the relevant indices or the securities selected by other funds with similar investment objectives and investment strategies. This means you may lose money.
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Operational and Technology Risks - The Fund is directly and indirectly susceptible to operational and technology risks, including those related to human errors, processing errors, communication errors, systems failures, cybersecurity incidents, and the use of artificial intelligence and machine learning ("AI"), which may result in losses for the Fund and its shareholders or may impair the Fund's operations. While the Fund's service providers are required to have appropriate operational, information security and cybersecurity risk management policies and procedures, their methods of risk management may differ from those of the Fund. Operational and technology risks for the issuers in which the Fund invests could also result in material adverse consequences for such issuers and may cause the Fund's investments in such issuers to lose value.
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Representative Sampling Risk - Representative sampling is a method of indexing that involves investing in a representative sample of securities that collectively have a similar investment profile to the Underlying Index and resemble the Underlying Index in terms of risk factors and other key characteristics. The Fund may or may not hold every security in the Underlying Index. When the Fund deviates from a full replication indexing strategy to utilize a representative sampling strategy, the Fund is subject to an increased risk of tracking error, in that the securities selected in the aggregate for the Fund may not have an investment profile similar to those of the Underlying Index.
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Performance Information
The information shows you how the Fund's performance has varied year by year and provides some indication of the risks of investing in the Fund. Class G Shares commenced operations on October 16, 2023. As a result, the returns shown below for Class G Shares prior to October 16, 2023 are based on the Fund's Institutional Shares, which are offered in a separate prospectus. The performance of Class G Shares would be substantially similar to Institutional Shares because Class G Shares and Institutional Shares invest in the same portfolio of securities and performance would only differ to the extent that Class G Shares and Institutional Shares have different expenses. The actual returns of Class G Shares would have been higher than those of the Institutional Shares because Class G Shares have lower expenses than the Institutional Shares. The table compares the Fund's performance to that of the MSCI EAFE Index (Net). To the extent that dividends and distributions have been paid by the Fund, the performance information for the Fund in the chart and table assumes reinvestment of the dividends and distributions. As with all such investments, past performance (before and after taxes) is not an indication of future results. The table includes all applicable fees. If the Fund's investment manager and its affiliates had not waived or reimbursed certain Fund expenses during these periods, the Fund's returns would have been lower. Updated information on the Fund's performance, including its current net asset value, can be obtained by visiting www.blackrock.com or can be obtained by phone at (800) 882-0052.
Class G Shares
ANNUAL TOTAL RETURNS
MSCI EAFE International Index Fund
As of 12/31
ANNUAL TOTAL RETURNS
MSCI EAFE International Index Fund
As of 12/31
During the ten-year period shown in the bar chart, the highest return for a quarter was 18.11% (quarter ended December 31, 2022) and the lowest return for a quarter was -23.31% (quarter ended March 31, 2020).
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For the periods ended 12/31/25
Average Annual Total Returns
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1 Year
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5 Years
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10 Years
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iShares MSCI EAFE International Index Fund - Class G Shares
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Return Before Taxes
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31.76
%
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9.09
%
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8.34
%
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Return After Taxes on Distributions
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30.36
%
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8.31
%
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7.65
%
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Return After Taxes on Distributions
and Sale of Fund Shares
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19.35
%
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7.08
%
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6.69
%
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MSCI EAFE Index (Europe, Australasia, Far East) (Net)1
(Reflects no deduction for fees, expenses or taxes, except for withholding
taxes on reinvested dividends)
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31.22
%
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8.92
%
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8.18
%
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1 Returns for net indices generally assume the reinvestment of dividends after the deduction of the maximum withholding tax in each country applicable to non-residents of the country as determined by the index provider. Such indices use withholding tax rates that are often at a higher rate than the rates to which the Fund is subject in each country, including for countries where the Fund is not subject to withholding taxes. When this is the case, index performance will be lower than if the index used the Fund's applicable withholding tax rates, if any.
After-tax returns are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes. Actual after-tax returns depend on the investor's tax situation and may differ from those shown, and the after-tax returns shown are not relevant to investors who hold their shares through tax-deferred arrangements, such as 401(k) plans or individual retirement accounts.
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Investment Manager
MSCI EAFE International Index Fund's investment manager is BlackRock Advisors, LLC (previously defined as "BlackRock"). MSCI EAFE International Index Fund's sub-adviser is BlackRock Fund Advisors (the "Sub-Adviser"). Where applicable, the use of the term "BlackRock" also refers to the Fund's Sub-Adviser.
Portfolio Managers
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Portfolio Manager
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Portfolio Manager
of the Fund Since
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Title
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Jennifer Hsui, CFA
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2016
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Managing Director of BlackRock, Inc.
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Matt Waldron, CFA
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2025
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Managing Director of BlackRock, Inc.
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Peter Sietsema, CFA
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2025
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Managing Director of BlackRock, Inc.
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Steven White
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2025
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Managing Director of BlackRock, Inc.
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Purchase and Sale of Fund Shares
Class G Shares are available only to investors on eligible platforms. Eligible platforms are those where clients invest in the Fund through a single omnibus account in the name of a Financial Intermediary that meets an initial investment minimum of $2 billion. For clients investing through such eligible platforms, the Fund does not impose investment minimums on any individual investor. Please contact your Financial Intermediary for information on any eligibility requirements.
You may purchase or redeem shares of the Fund each day the New York Stock Exchange is open. Please contact your Financial Intermediary for instructions on how to place purchase and redemption orders.
Tax Information
Different income tax rules apply depending on whether you are invested through a qualified tax-exempt plan described in section 401(a) of the Internal Revenue Code of 1986, as amended. If you are invested through such a plan (and Fund shares are not "debt-financed property" to the plan), then the dividends paid by the Fund and the gain realized from a redemption or exchange of Fund shares will generally not be subject to U.S. federal income taxes until you withdraw or receive distributions from the plan. If you are not invested through such a plan, then the Fund's dividends and gain from a redemption or exchange may be subject to U.S. federal income taxes and may be taxed as ordinary income or capital gains, unless you are a tax-exempt investor.
Payments to Broker/Dealers and Other Financial Intermediaries
If you purchase shares of the Fund through a Financial Intermediary, the Fund and BlackRock Investments, LLC, the Fund's distributor, or its affiliates may pay the Financial Intermediary for the sale of Fund shares and related services. These payments may create a conflict of interest by influencing the Financial Intermediary and your individual financial professional to recommend the Fund over another investment.
Class G Shares are only available through a Financial Intermediary if the Financial Intermediary will not receive from Fund assets, or the Fund's distributor's or an affiliate's resources, any commission payments, shareholder servicing fees (including sub-transfer agent and networking fees), or distribution fees (including Rule 12b-1 fees) with respect to assets invested in Class G Shares.
Ask your individual financial professional or visit your Financial Intermediary's website for more information.
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INVESTMENT COMPANY ACT FILE # 811-07899
PRO-MSCIEAFE-G-0426
Blackrock Index Funds Inc. published this content on May 05, 2026, and is solely responsible for the information contained herein. Distributed via EDGAR on May 05, 2026 at 17:52 UTC. If you believe the information included in the content is inaccurate or outdated and requires editing or removal, please contact us at [email protected]