# EDGAR Filing Document

**Accession Number:** 0000909108
**File Stem:** 0001193125-26-035484
**Filing Date:** 2026-2
**Character Count:** 5023
**Document Hash:** 4ac9323779118f0a9790c1df4a774001
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-035484.hdr.sgml**: 20260203

**ACCESSION NUMBER**: 0001193125-26-035484

**CONFORMED SUBMISSION TYPE**: 8-K

**PUBLIC DOCUMENT COUNT**: 11

**CONFORMED PERIOD OF REPORT**: 20260203

**ITEM INFORMATION**: Other Events

**FILED AS OF DATE**: 20260203

**DATE AS OF CHANGE**: 20260203

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** DIAMOND HILL INVESTMENT GROUP INC
- **CENTRAL INDEX KEY:** 0000909108
- **STANDARD INDUSTRIAL CLASSIFICATION:** INVESTMENT ADVICE [6282]
- **ORGANIZATION NAME:** 02 Finance
- **EIN:** 650190407
- **STATE OF INCORPORATION:** OH
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 8-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 000-24498
- **FILM NUMBER:** 26592823

**BUSINESS ADDRESS:**
- **STREET 1:** 325 JOHN H MCCONNELL BLVD
- **STREET 2:** SUITE 200
- **CITY:** COLUMBUS
- **STATE:** OH
- **ZIP:** 43215
- **BUSINESS PHONE:** 6142553333

**MAIL ADDRESS:**
- **STREET 1:** 325 JOHN H MCCONNELL BLVD
- **STREET 2:** SUITE 200
- **CITY:** COLUMBUS
- **STATE:** OH
- **ZIP:** 43215

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** BANC STOCK GROUP INC
- **DATE OF NAME CHANGE:** 19971016

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** HEARTLAND GROUP OF COMPANIES INC
- **DATE OF NAME CHANGE:** 19940301

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** HEARTLAND FINANCIAL GROUP INC
- **DATE OF NAME CHANGE:** 19930714

?xml version='1.0' encoding='ASCII'? 8-K

**United States**

**Securities and Exchange Commission**

**Washington, D.C. 20549**

**FORM** 8-K

**CURRENT REPORT** 

**Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934**

**Date of Report (Date of earliest event reported):** 2/3/2026

![img59620704_0.jpg](img59620704_0.jpg)

DIAMOND HILL INVESTMENT GROUP, INC.

**(Exact name of registrant as specified in its charter)**

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| | | |
|:---|:---|:---|
| Ohio | 000-24498 | 65-0190407 |
| **(State or other jurisdiction of**<br>**incorporation)** | **(Commission**<br>**File Number)** | **(I.R.S. Employer**<br>**Identification No.)** |

---

325 John H. McConnell Blvd, Suite 200, Columbus**<u>,</u>** Ohio 43215

**(Address of principal executive offices) (Zip Code)**

**Registrant's telephone number, including area code: <u>(</u>**614**<u>)</u>** 255-3333

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

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

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| | |
|:---|:---|
| **<u>Title of each class</u>** | **<u>Name of each exchange on which registered</u>** |
| Common stock, no par value<br> DHIL | The Nasdaq Stock Market |

---

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

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**Item 8.01 Other Events**

The following is a summary of assets under management as of January 31. 2026 of Diamond Hill Capital Management, Inc., a wholly owned subsidiary of Diamond Hill Investment Group, Inc. (in millions):

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| | |
|:---|:---|
| By Investment Vehicle | By Investment Vehicle |
| Proprietary Funds | $18246 |
| Separately managed accounts | 4924 |
| Collective investment trusts | 1759 |
| Other pooled vehicles | 3809 |
| Total | $28738 |
| By Investment Strategy | By Investment Strategy |
| Small Cap | $284 |
| Small-Mid Cap | 1409 |
| Mid Cap | 905 |
| Large Cap | 13447 |
| Large Cap Concentrated | 191 |
| Select | 794 |
| Long-Short | 2293 |
| International | 173 |
| Micro Cap | 51 |
| Short Duration Securitized Bond | 5224 |
| Securitized Credit | 136 |
| Securitized Total Return | 31 |
| Core Fixed Income | 3774 |
| Long Duration Treasury | 26 |
| Total | $28738 |

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**SIGNATURES**

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

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| | | | |
|:---|:---|:---|:---|
|  |  | DIAMOND HILL INVESTMENT GROUP, INC. | DIAMOND HILL INVESTMENT GROUP, INC. |
| Date: | 2/3/2026 | By: | /s/ Thomas E. Line |
|  |  |  | Thomas E. Line, Chief Financial Officer and Treasurer |

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