Diamond Hill Investment Group, Inc.
Diamond Hill Investment Group, Inc. (DHIL) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · DHIL · as of Sep 30, 2025
Ownership Breakdown
138
Institutional Holders
▲ 5 vs Q2
$270.70M
Total Inst. Value
▲ $3.79M vs Q2
2.70M
Shares Outstanding
freeFloat 91.21%
1.93M
13F Shares Held
▲ 96,504 vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
DHIL largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
BLACKROCK, INC. investment advice | 237.3K | 8.72% | 8.72% | $33.22B | Nov 12, 2025 | ▼ 5.1K |
VANGUARD GROUP INC investment advice | 161.8K | 5.95% | 5.95% | $22.66B | Nov 7, 2025 | ▼ 3.6K |
ROYCE & ASSOCIATES LP investment advice | 141.2K | 5.19% | 5.19% | $19.77B | Nov 12, 2025 | ▼ 35.5K |
RENAISSANCE TECHNOLOGIES LLC investment advice | 112.3K | 4.13% | 4.13% | $15.73B | Nov 13, 2025 | ▲ 8.0K |
STATE STREET CORP investment advice | 94.0K | 3.45% | 3.45% | $13.15B | Nov 14, 2025 | ▲ 20.9K |
DIMENSIONAL FUND ADVISORS LP investment advice | 78.1K | 2.87% | 2.87% | $10.94B | Nov 12, 2025 | ▼ 959 |
GEODE CAPITAL MANAGEMENT, LLC investment advice | 76.0K | 2.79% | 2.79% | $10.64B | Nov 12, 2025 | ▼ 4.4K |
AMERICAN CENTURY COMPANIES INC investment advice | 68.6K | 2.52% | 2.52% | $9.60B | Nov 12, 2025 | ▲ 8.7K |
CONCURRENT INVESTMENT ADVISORS, LLC investment advice | 67.6K | 2.49% | 2.49% | $9.47B | Oct 27, 2025 | ▲ 42.8K |
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC investment advice | 66.4K | 2.44% | 2.44% | $9.30B | Nov 14, 2025 | ▲ 21.3K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
27
Increased
+195.0K shares0
New Positions
first time holders21
Decreased
−82.4K shares0
Sold Out
fully exitedNet shares change (top 50)
+112.6K
+195.0K / −82.4K
Net new holders
+6
0 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
DHIL insider trading · insider activity
Source: SEC Form 4
Insiders have been net buyers of shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
0
Buy transactions
13
Sell transactions
0.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Cooley Richard Scott director | Apr 22, 2026 | D-Return | 13,829 | $175.00 | $2.42M | 0 | Form 4 ↗ |
Fowler Gordon B director | Apr 22, 2026 | D-Return | 7,713 | $175.00 | $1.35M | 0 | Form 4 ↗ |
Hawley Austin director | Apr 22, 2026 | D-Return | 77,469 | $175.00 | $13.56M | 0 | Form 4 ↗ |
Line Thomas Edward Chief Financial Officer | Apr 22, 2026 | D-Return | 1,294 | $175.00 | $226.4K | 0 | Form 4 ↗ |
Meyer Paula R director | Apr 22, 2026 | D-Return | 3,763 | $175.00 | $658.5K | 0 | Form 4 ↗ |
Quinif Jo Ann President of DHCM | Apr 22, 2026 | D-Return | 816 | $175.00 | $142.8K | 0 | Form 4 ↗ |
St. Pierre Nicole Renee director | Apr 22, 2026 | D-Return | 5,113 | $175.00 | $894.8K | 0 | Form 4 ↗ |
Thomas L'Quentus director | Apr 22, 2026 | D-Return | 2,614.534 | $175.00 | $457.5K | 0 | Form 4 ↗ |
BRILLIANT HEATHER E Chief Executive Officer | Apr 22, 2026 | D-Return | 473 | $175.00 | $82.8K | 0 | Form 4 ↗ |
Hawley Austin director | Apr 1, 2026 | Tax Withhold | 1,181 | $172.10 | $203.3K | 77.5K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Diamond Hill Investment Group, Inc. (DHIL) is primarily owned by institutional investors, who hold approximately 71.5% of total shares outstanding. Company insiders own approximately 8.79%, while retail and public investors account for the remaining 19.73%.
The largest institutional shareholder of Diamond Hill Investment Group, Inc. is BLACKROCK, INC., holding approximately 237,260 shares — equal to 8.72% of outstanding shares — as of September 30, 2025.
A total of 138 institutional investors currently hold DHIL stock, with a combined institutional value of approximately $270,698,682 as of the most recent 13F filing period.
Frequently asked questions
DHIL ownershipDiamond Hill Investment Group, Inc. (DHIL) is primarily owned by institutional investors, who hold approximately 71.5% of shares. The largest shareholder is BLACKROCK, INC. with a 8.72% stake. Company insiders hold 8.79%. Data sourced from SEC Form 13F as of September 30, 2025.