Graham Corporation (GHM) ownership: Top institutional holder: BRANDES INVESTMENT PARTNERS, LP ($92.41M). Insider activity: Net Seller (3 buys, 17 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| BRANDES INVESTMENT PARTNERS, LP | 1170981.00 | $92.41M | 2026-03-31 |
| BlackRock, Inc. | 766677.00 | $60.51M | 2026-03-31 |
| VANGUARD GROUP INC | 636759.00 | $40.90M | 2025-12-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 453812.00 | $35.81M | 2026-03-31 |
| ROYCE & ASSOCIATES LP | 448758.00 | $35.42M | 2026-03-31 |
| Driehaus Capital Management LLC | 342908.00 | $27.06M | 2026-03-31 |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 314301.00 | $24.80M | 2026-03-31 |
| GEODE CAPITAL MANAGEMENT, LLC | 248176.00 | $19.59M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-06-02 | |
| Sell | null | 2026-06-02 | |
| Sell | null | 2026-06-02 | |
| Sell | null | 2026-06-02 | |
| Sell | null | 2026-06-02 | |
| Buy | null | 2026-06-02 | |
| Sell | null | 2026-06-02 | |
| Buy | null | 2026-06-02 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.