GFF
Griffon Corporation · Basic Materials · Construction Materials
Momentum inputs (comparable managers):
holder breadth -5.3% ·
share flow -1.4% ·
net new positions -5.6%
· formula
Broad distribution: falling shares and fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 102 | -2 | 24.01M | $2.34B | +8 | −11 |
| Q1 2026 | 108 | -1 | 23.30M | $1.69B | +4 | −6 |
| Q4 2025 | 109 | -1 | 27.61M | $2.03B | +1 | −1 |
| Q3 2025 | 21 | +1 | 19.50M | $1.49B | +1 | −1 |
| Q2 2025 | 18 | -1 | 17.84M | $1.29B | n/a | −1 |
| Q1 2025 | 16 | 0 | 5.63M | $402.36M | n/a | n/a |
| Q4 2024 | 16 | 0 | 6.29M | $448.42M | n/a | n/a |
| Q3 2024 | 15 | -1 | 4.66M | $326.05M | n/a | −1 |
| Q2 2024 | 16 | n/a | 4.42M | $282.05M | n/a | n/a |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 6.32M | n/a | $457.13M | 0.0% | n/c | 1 | SEC ↗ ×15 |
| 2 | The Vanguard Group ✦ (passive) | 5.98M | n/a | $433.04M | 0.0% | n/c | 1 | SEC ↗ ×5 |
| 3 | State Street Global Advisors ✦ (passive) | 1.50M | -4.5% | $108.83M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 4 | Geode Capital Management ✦ (passive) | 905.00K | -0.3% | $65.50M | 0.0% | ▼ Trim | 5 | SEC ↗ ×2 |
| 5 | GAMCO Investors ✦ | 535.45K | 0.0% | $38.75M | 0.4% | ▼ Trim | 5 | SEC ↗ |
| 6 | Renaissance Technologies ✦ | 461.60K | -4.0% | $33.41M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 7 | Point72 Asset Management ✦ | 419.39K | -38.6% | $30.35M | 0.1% | ▼ Trim | 5 | SEC ↗ |
| 8 | T. Rowe Price ✦ | 401.53K | +0.9% | $29.06M | 0.0% | ▲ Add | 5 | SEC ↗ ×2 |
| 9 | PRIMECAP Management ✦ | 283.59K | +3.0% | $20.52M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 10 | Arrowstreet Capital ✦ | 214.48K | -15.2% | $15.52M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 11 | Two Sigma Investments ✦ | 170.81K | +91.0% | $12.36M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 12 | Fidelity (FMR) ✦ | 168.99K | n/a | $12.23M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 13 | D. E. Shaw & Co. ✦ | 144.44K | +21.0% | $10.45M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 14 | Millennium Management ✦ | 121.84K | +53.9% | $8.82M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 15 | Citadel Advisors ✦ | 82.88K | +436.6% | $6.00M | 0.0% | ▲ Add | 5 | SEC ↗ ×2 |
| 16 | AQR Capital Management ✦ | 70.66K | +17.4% | $5.11M | 0.0% | ▲ Add | 5 | SEC ↗ ×4 |
| 17 | Norges Bank ✦ (passive) | 27.85K | -54.9% | $2.02M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 18 | Gotham Asset Management ✦ | 24.25K | -12.3% | $1.76M | 0.0% | ▼ Trim | 5 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| Marshall Wace | $4.68M | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 334 holders, 35.63M shares, $2.45B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
What else this security's tracked holders most often hold: shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Director · 3.50K sh · $369,565
Director · 3.00K sh · $318,360
Officer · 3.24K sh · $347,198
Officer · 88 sh · $9,258
Officer · 3.64K sh · $378,643
Officer · 2.91K sh · $304,816
Officer · 553 sh · $59,774
Officer · 5.27K sh · $564,148
Officer · 1.91K sh · $203,713
Officer · 13.46K sh · $1.45M
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology