Griffon Corp (GFF) Ownership & Trading Activity
Institutional holders, insider transactions, and congressional trades for GFF. 13F holdings as of 2026-03-31.
Top Institutional Holders
| Institution | Shares | Value | Change |
|---|---|---|---|
| BlackRock, Inc. | 5,962,365 | $433M | INCREASED |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 3,745,114 | $272M | NEW |
| VANGUARD CAPITAL MANAGEMENT LLC | 1,918,661 | $139M | NEW |
| Voss Capital, LP | 1,825,000 | $133M | INCREASED |
| STATE STREET CORP | 1,499,356 | $109M | DECREASED |
Recent Insider Trades
| Insider | Type | Shares | Value | Date |
|---|---|---|---|---|
| Robert F Mehmel (President and COO) | SELL | 547 | $52K | 2026-06-16 |
| Robert F Mehmel (President and COO) | SELL | 97 | $9K | 2026-06-16 |
| Robert F Mehmel (President and COO) | SELL | 2,921 | $279K | 2026-06-16 |
| Robert F Mehmel (President and COO) | SELL | 3,272 | $312K | 2026-06-12 |
| Robert F Mehmel (President and COO) | SELL | 5,501 | $524K | 2026-06-12 |
Full institutional holdings, insider history, and congressional trades for Griffon Corp on SentiSense.