Diamond Hill withdraws common stock from Nasdaq

Diamond Hill Investment Group Inc notified the Nasdaq Stock Market LLC of the voluntary withdrawal of its Common Stock from listing and registration under Section 12(b) of the Securities Exchange Act of 1934.

Rhea-AI Filing Summary

Diamond Hill Investment Group Inc notified the Nasdaq Stock Market LLC of the voluntary withdrawal of its Common Stock from listing and registration under Section 12(b) of the Securities Exchange Act of 1934. The notification states both the Exchange and the issuer complied with the procedures in 17 CFR 240.12d2-2.

Key Figures

Commission File Number: 000-24498 Cited Rule: 17 CFR 240.12d2-2 Issuer Address: 325 John H. McConnell Blvd., Suite 200 +1 more

4 metrics

Commission File Number 000-24498 Form 25 cover entry

Cited Rule 17 CFR 240.12d2-2 Referenced subsections (a)(1)–(a)(4), (b), (c)

Issuer Address 325 John H. McConnell Blvd., Suite 200 Columbus, OH 43215

Issuer Telephone +1 614 255-3333 Contact listed on Form 25

Key Terms

Form 25, Section 12(b), 17 CFR 240.12d2-2

3 terms

Form 25 regulatory

"FORM 25 NOTIFICATION OF REMOVAL FROM LISTING"

A Form 25 is an official filing with the U.S. Securities and Exchange Commission used to remove a company's stock or other security from a national exchange list. Investors should care because delisting often means less visibility, lower trading volume and wider price swings—similar to a product moving from a major supermarket to a small local market, which can make buying, selling and valuing the security more difficult.

Section 12(b) regulatory

"REMOVAL FROM LISTING AND/OR REGISTRATION UNDER SECTION 12(b)"

Section 12(b) of the U.S. Securities Exchange Act requires securities listed on a national stock exchange to be registered with the U.S. Securities and Exchange Commission (SEC) and to follow regular public reporting and disclosure rules. For investors, a 12(b) listing generally means more routine financial updates, regulatory oversight and easier buying and selling—like a storefront that must display its inventory and prices, making it simpler to inspect and trade the product.

17 CFR 240.12d2-2 regulatory

"Pursuant to 17 CFR 240.12d2-2(b) the Exchange has complied"

A U.S. Securities and Exchange Commission rule that describes the conditions and procedural steps for a security to be removed from public registration or reporting under the Securities Exchange Act of 1934. For investors, it matters because it explains when a company’s shares can stop being subject to regular disclosure and exchange listing rules — similar to knowing when a publicly tracked product will be discontinued and no longer send updates, which affects transparency and liquidity.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

Why did Diamond Hill (DHIL) file Form 25 with Nasdaq?

To notify Nasdaq of a voluntary withdrawal of its Common Stock from listing and registration. The filing certifies the Exchange and the issuer complied with the procedures in 17 CFR 240.12d2-2 for removal under Section 12(b).

Does the Form 25 state who initiated the withdrawal for DHIL?

The filing indicates the issuer complied with exchange rules for voluntary withdrawal. Nasdaq certifies that it has reasonable grounds for the Form 25 and the notification was signed by an Exchange officer.

What regulatory rule does the DHIL Form 25 cite?

The filing cites 17 CFR 240.12d2-2. The notification references subsections (a)(1)–(a)(4) and (b)/(c) concerning the Exchange's and issuer's compliance with removal procedures.

Who signed the Form 25 filing for Nasdaq in the DHIL notice?

The Form 25 was signed on behalf of Nasdaq Stock Market LLC by Tara Petta, AVP. The form includes a signature block naming Tara Petta and her title.

What contact information appears in the DHIL Form 25?

Diamond Hill’s listed address is 325 John H. McConnell Blvd., Suite 200, Columbus, OH 43215. The form also provides a telephone number of +1 614 255-3333.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 04/22/2026 - 09:37 AM Learn about SEC filing dates

UNITED STATES

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SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 25

NOTIFICATION OF REMOVAL FROM LISTING AND/OR REGISTRATION
UNDER SECTION 12(b) OF THE SECURITIES EXCHANGE ACT OF 1934.

Commission File Number

000-24498

Issuer:	DIAMOND HILL INVESTMENT GROUP INC
Exchange:	Nasdaq Stock Market LLC

(Exact name of Issuer as specified in its charter, and name of Exchange where security is listed and/or registered)

Address:	325 John H. McConnell Blvd.
	Suite 200
	Columbus	OHIO	43215
Telephone number:					+1 614 255-3333

(Address, including zip code, and telephone number, including area code, of Issuer's principal executive offices)

Common Stock

(Description of class of securities)

Please place an X in the box to designate the rule provision relied upon to strike the class of securities from listing and registration:

17 CFR 240.12d2-2(a)(1)

17 CFR 240.12d2-2(a)(2)

17 CFR 240.12d2-2(a)(3)

17 CFR 240.12d2-2(a)(4)

Pursuant to 17 CFR 240.12d2-2(b), the Exchange has complied with its rules to strike the class of securities from listing and/or withdraw registration on the Exchange. ¹

Pursuant to 17 CFR 240.12d2-2(c), the Issuer has complied with its rules of the Exchange and the requirements of 17 CFR 240.12d-2(c) governing the voluntary withdrawal of the class of securities from listing and registration on the Exchange.

Pursuant to the requirements fo the Securities Exchange Act of 1934, Nasdaq Stock Market LLC certifies that it has reasonable grounds to believe that it meets all of the requirements for filing the Form 25 and has caused this notification to be signed on its behalf by the undersigned duly authorized person.

2026-04-22	By	Tara Petta		AVP
Date		Name		Title

¹ Form 25 and attached Notice will be considered compliance with the provisions of 17 CFR 240.19d-1 as applicable. See General Instructions.

Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.