Diamond Hill Investment's top three insider shareholders as of April 17, 2026 are Austin Hawley (Director, 77.47K shares), Heather E Brilliant (Chief Executive Officer, 66.68K shares), Jo Ann Quinif (President Of Dhcm, 45.11K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Austin Hawley | - | 77,469 | 0 | 06 Apr, 2026 |
| Heather E Brilliant | Chief Executive Officer | 66,680 | 0 | 06 Apr, 2026 |
| Jo Ann Quinif | President Of Dhcm | 45,111 | 0 | 06 Apr, 2026 |
| Richard Scott Cooley | - | 13,829 | 0 | 07 May, 2025 |
| Thomas Edward Line | Chief Financial Officer | 13,444 | 0 | 06 Apr, 2026 |
| James F Jr Laird | Cfo | 12,500 | 0 | 11 Dec, 2024 |
| James F Jr Laird | Cfo | 12,500 | 0 | 11 Dec, 2024 |
| Gordon B Fowler | - | 7,713 | 0 | 01 May, 2025 |
| Gordon B Fowler | - | 7,713 | 0 | 01 May, 2025 |
| Pierre Nicole Renee St. | - | 5,113 | 0 | 01 May, 2025 |
| Pierre Nicole Renee St. | - | 5,113 | 0 | 01 May, 2025 |
| Paula R Meyer | - | 3,763 | 0 | 09 Sep, 2025 |
| Paula R Meyer | - | 3,763 | 0 | 09 Sep, 2025 |
| L'Quentus Thomas | - | 2,534 | 0 | 25 Sep, 2025 |
| L'Quentus Thomas | - | 2,534 | 0 | 25 Sep, 2025 |
| Mark Zinkula | - | 727 | 0 | 15 May, 2023 |
| Mark Zinkula | - | 727 | 0 | 15 May, 2023 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 01 Apr, 2026 | Thomas Edward Line | Common | D | 664 | $172.10 | 13,444 | D | F |
| 01 Apr, 2026 | Jo Ann Quinif | Common | D | 2,080 | $172.10 | 45,111 | D | F |
| 01 Apr, 2026 | Austin Hawley | Common | D | 1,181 | $172.10 | 77,469 | D | F |
| 01 Apr, 2026 | Heather E Brilliant | Common | D | 2,809 | $172.10 | 66,680 | D | F |
| 01 Oct, 2025 | Jo Ann Quinif | Common | A | 21,428 | $0.00 | 47,191 | D | A |
| 23 Sep, 2025 | L'Quentus Thomas | Common | D | 250 | $141.10 | 2,534 | D | S |
| 05 Sep, 2025 | Paula R Meyer | Common | D | 350 | $141.80 | 3,763 | D | S |
| 30 Jun, 2025 | Heather E Brilliant | Common | A | 27,528 | $0.00 | 69,489 | D | A |
| 13 Jun, 2025 | Jo Ann Quinif | Common | D | 2,750 | $144.00 | 23,013 | D | S |
| 13 Jun, 2025 | Jo Ann Quinif | Common | A | 2,750 | $144.01 | 25,763 | D | P |
| 06 May, 2025 | Richard Scott Cooley | Common | A | 278 | $134.10 | 13,829 | D | P |
| 02 May, 2025 | Richard Scott Cooley | Common | A | 124 | $129.00 | 13,551 | D | P |
| 01 May, 2025 | Richard Scott Cooley | Common | A | 692 | $127.50 | 13,427 | D | P |
| 29 Apr, 2025 | Paula R Meyer | Common | A | 926 | $0.00 | 4,113 | D | A |
| 29 Apr, 2025 | L'Quentus Thomas | Common | A | 926 | $0.00 | 2,784 | D | A |
| 29 Apr, 2025 | Gordon B Fowler | Common | A | 926 | $0.00 | 7,713 | D | A |
| 29 Apr, 2025 | Pierre Nicole Renee St. | Common | A | 926 | $0.00 | 5,113 | D | A |
| 29 Apr, 2025 | Richard Scott Cooley | Common | A | 926 | $0.00 | 11,735 | D | A |
| 30 Apr, 2025 | Richard Scott Cooley | Common | A | 1,000 | $124.50 | 12,735 | D | P |
| 01 Apr, 2025 | Heather E Brilliant | Common | A | 167 | $121.41 | 44,189 | D | J |