Griffon Corp (GFF) Ownership & Trading Activity
Institutional holders, insider transactions, and congressional trades for GFF. 13F holdings as of 2026-06-30.
In 13F filings for the quarter ended June 30, 2026, 337 institutions reported holding GFF, with 36.3 million shares worth $3.5 billion in aggregate.
Top Institutional Holders
| Institution | Shares | Value | Change |
|---|---|---|---|
| BlackRock | 6,055,910 | $591M | INCREASED |
| Vanguard | 5,969,932 | $582M | DECREASED |
| FMR | 1,629,720 | $159M | INCREASED |
| State Street | 1,565,340 | $153M | INCREASED |
| Voss Capital | 1,516,857 | $148M | DECREASED |
Recent Insider Trades
| Insider | Type | Shares | Value | Date |
|---|---|---|---|---|
| Robert F Mehmel (President and COO) | SELL | 825 | $89K | 2026-11-05 |
| Robert F Mehmel (President and COO) | SELL | 6,918 | $744K | 2026-11-05 |
| Cheryl L Turnbull (Director) | SELL | 3,000 | $318K | 2026-08-13 |
| Kevin F Sullivan (Director) | SELL | 3,500 | $370K | 2026-08-13 |
| Robert F Mehmel (President and COO) | SELL | 3,240 | $347K | 2026-08-11 |
Full institutional holdings, insider history, and congressional trades for Griffon Corp on SentiSense.