New Listing Registration (Form 8-A12B)

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-A

FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES

PURSUANT TO SECTION 12(b) OR (g) OF
THE SECURITIES EXCHANGE ACT OF 1934

CĪON Investment Corporation

(Exact name of registrant as specified in its charter)

Securities to be registered pursuant to Section 12(b) of the Act:

If this form relates to the registration of a class of securities pursuant to Section 12(b) of the Exchange Act and is effective pursuant to General Instruction A.(c) or (e), please check the following box. x

If this form relates to the registration of a class of securities pursuant to Section 12(g) of the Exchange Act and is effective pursuant to General Instruction A.(d) or (e), please check the following box. ¨

If this form relates to the registration of a class of securities concurrently with a Regulation A offering check the following box. ¨

Securities Act registration statement or Regulation A offering statement file number to which this form relates: 333-278658

Securities to be registered pursuant to Section 12(g) of the Act: None

Item 1. Description of Registrant's Securities to be Registered.

The securities to be registered hereby are the 7.50% Notes due 2031 (the "Notes") of CĪON Investment Corporation, a Maryland corporation (the "Company"). The Notes are expected to be listed on the New York Stock Exchange and to trade thereon within 30 days of the original issue date under the trading symbol "CICC."

The description of the Notes is incorporated herein by reference to (i) the information set forth under the heading "Description of Debt Securities We May Issue" in the Company's Prospectus included in its Registration Statement on Form N-2 (Registration No. 333-278658) as filed with the Securities and Exchange Commission (the "SEC") on June 14, 2024 under the Securities Act of 1933, as amended (the "Securities Act"), and (ii) the information under the headings "Specific Terms of the Notes and the Offering" and "Description of Our Notes" in the Company's Prospectus Supplement dated February 2, 2026, as filed with the SEC on February 4, 2026 pursuant to Rule 424(b)(2) under the Securities Act. The foregoing descriptions are incorporated herein by reference.

Item 2. Exhibits.

SIGNATURE

Pursuant to the requirements of Section 12 of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this registration statement to be signed on its behalf by the undersigned, thereto duly authorized.

Date: February 9, 2026