Companies / Griffon Corp
Griffon Corp
Insider flow · last 90 daysNet sells $11.90M
Financials · FY2025
Ownership
45.3M shares outstanding · as of Jul 31, 2026
Ownership
| Insiders | 6.68% | 3,025,248 |
| Institutions | 79.44% | 35,981,004 |
| Public float | 13.88% | 6,288,464 |
% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.
Insiders 14
View all →| Insider | % of shares | Shares |
|---|---|---|
Kramer Ronald JCEOChairman of the Board and CEO · Director | 3.94% | 1,784,297 |
Mehmel Robert FPresident and COO | 1.74% | 790,066 |
Kaplan Seth L.Sr VP, Gen. Counsel and Secy | 0.26% | 119,747 |
Alpert Henry aDirector | 0.16% | 71,479 |
Sullivan Kevin FDirector | 0.10% | 44,102 |
Grabowsky Louis J.Director | 0.09% | 43,010 |
Turnbull Cheryl LDirector | 0.07% | 33,039 |
Durborow W. ChristopherVice President & CAO | 0.07% | 29,963 |
Johnson Lacy M.Director | 0.06% | 26,443 |
Hegedus SamantaDirector | 0.06% | 26,055 |
Institutional holders 346
View all →| Holder | Value | % of shares |
|---|---|---|
| $590.63M | 13.37% | |
| $431.29M | 12.93% | |
| $152.67M | 3.46% | |
| $129.62M | 3.89% | |
| $77.21M | 2.31% | |
| $72.83M | 2.21% | |
| $67.17M | 2.04% | |
| $55.57M | 1.67% | |
| $52.91M | 1.59% | |
| $48.56M | 1.46% |
Activity
Jun 30, 2026View all →
InsidersInstitutions
Who's accumulating and trimming this stock (13F).| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| Q1 2026 as of | Boston Partners 13F manager | Exit | Common stock | $-27.57M | -363K -100.00% | 0 | medium |
| Q3 2025 as of | Barclays PLC 13F manager | Trim | Common stock | $-15.71M | -206K -74.92% | 69,031 0.15% of shares | medium |
| Q1 2026 as of | Arrowstreet Capital, Limited Partnership 13F manager | Exit | Common stock | $-13.73M | -186K -100.00% | 0 | medium |
| Q1 2026 as of | Janus Henderson Group PLC 13F manager | Add | Common stock | $12.62M | +174K +255.22% | 241,733 0.53% of shares | medium |
| Q2 2026 as of | BlackRock, Inc. 13F manager | Add | Common stock | $11.87M | +122K +2.05% | 6,055,910 13.37% of shares | medium |
| Q1 2026 as of | Mhr Fund Management LLC 13F manager | Add | Common stock | $8.31M | +114K +91.51% | 239,392 0.53% of shares | medium |
| Q1 2026 as of | Two Sigma Investments, LP 13F manager | Trim | Common stock | $-7.80M | -107K -45.72% | 127,404 0.28% of shares | medium |
| Q1 2026 as of | D. E. Shaw & Co., Inc. 13F manager | Trim | Common stock | $-6.55M | -90K -26.08% | 255,616 0.56% of shares | medium |
5%+ ownership events
Schedule 13D / 13G
| Filer | Stance | % of class |
|---|---|---|
| Vanguard Group Inc | Passive13G/A | — |
Securities
via CUSIP / OpenFIGI
| Symbol | Type | CUSIP |
|---|---|---|
| GFF | — | 398433102 |