Griffon Corp
GFF- Exchange
- NYSE
- Industry
- Metal Doors, Sash, Frames, Moldings & Trim
- SEC CIK
- 0000050725
In the last 90 days, Griffon Corp insiders filed 0 open-market purchases and 11 sales; 346 institutions reported holding it in 13F filings for Q2 2026, worth $3.56B in total; no superinvestor holds it.
Key figures
- Insider buysOpen market, last 90 days
- 0
- Insider sellsLast 90 days, $20.3M in total
- 11
- 13F holdersQ2 2026, +10 vs. previous quarter
- 346
- 13F valueReported value at the end of Q2 2026
- $3.56B
- Superinvestors holdingAt the end of Q2 2026
- 0
Price chart
Superinvestors holding GFF, Q2 2026
No superinvestor reported holding GFF at the end of Q2 2026.
Latest insider trades
Open-market purchases and sales by Griffon Corp insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Aug 14, 2026 (view filing)4:31 PM ET | Aug 13 | 1 day | Turnbull Cheryl LDirector | SSale | −3.00K | $106.12 | −$318.4K | −9.1%30.0K after | |
| Aug 14, 2026 (view filing)4:31 PM ET | Aug 13 | 1 day | Sullivan Kevin FDirector | SSale | −3.50K | $105.59 | −$369.6K | −7.9%40.6K after | |
| Aug 13, 2026 (view filing)4:30 PM ET | Aug 11 | 2 days | Mehmel Robert FPresident and COO | SSale | −3.24K | $107.16 | −$347.2K | −0.4%723.0K after | 10b5-1 |
| Aug 11, 2026 (view filing)4:15 PM ET | Aug 7-10 | 4 days | Mehmel Robert FPresident and COO | SSale | −22.6K | $106.47 | −$2.40M | −3.0%726.3K after | 6 lots10b5-1 |
| Aug 11, 2026 (view filing)4:15 PM ET | Aug 7 | 4 days | Harris Brian GEVP, Chief Financial Officer | SSale | −5.27K | $107.11 | −$564.1K | −3.9%128.6K after | 10b5-1 |
| Aug 7, 2026 (view filing)5:02 PM ET | Aug 5 | 2 days | Harris Brian GEVP, Chief Financial Officer | SSale | −11.1K | $103.27 | −$1.14M | −7.6%133.9K after | 2 lots10b5-1 |
| Aug 7, 2026 (view filing)5:02 PM ET | Aug 5 | 2 days | Kramer Ronald JChairman of the Board and CEO | SSale | −100.0K | $102.42 | −$10.2M | −5.6%1.68M after | 5 lots10b5-1 |
| Aug 7, 2026 (view filing)5:02 PM ET | Aug 5-6 | 2 days | Mehmel Robert FPresident and COO | SSale | −37.1K | $103.32 | −$3.83M | −4.7%748.8K after | 12 lots10b5-1 |
| Jul 2, 2026 (view filing)5:00 PM ET | Jun 30 | 2 days | Mehmel Robert FPresident and COO | SSale | −4.17K | $97.76 | −$407.3K | −0.5%785.9K after | 10b5-1 |
| Jul 2, 2026 (view filing)5:00 PM ET | Jun 30 | 2 days | Harris Brian GEVP, Chief Financial Officer | SSale | −6.18K | $98.01 | −$606.0K | −4.1%145.0K after | 10b5-1 |
Top 10 13F holders, Q2 2026
The largest institutional positions in Griffon Corp at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 6,055,910 | $590.6M | 0.01% | +93,545+1.6% | Added |
| Vanguard Portfolio Management LLC | 3,730,377 | $363.8M | 0.02% | −14,737−0.4% | Reduced |
| Vanguard Capital Management LLC | 1,897,115 | $185.0M | 0.00% | −21,546−1.1% | Reduced |
| FMR LLC | 1,629,720 | $158.9M | 0.01% | +1,206,829+285.4% | Added |
| State Street Corp | 1,565,340 | $152.7M | 0.00% | +65,984+4.4% | Added |
| Voss Capital, LLC | 1,516,857 | $147.9M | 7.39% | −308,143−16.9% | Reduced |
| Fuller & Thaler Asset Management, Inc. | 1,076,994 | $105.0M | 0.29% | +74,981+7.5% | Added |
| Dimensional Fund Advisors LP | 1,005,620 | $98.1M | 0.02% | −5,740−0.6% | Reduced |
| Geode Capital Management, LLC | 980,082 | $95.6M | 0.01% | +56,107+6.1% | Added |
| Nomura Asset Management International Inc. | 734,114 | $71.6M | 0.11% | −42,437−5.5% | Reduced |