SSD
Simpson Manufacturing Co., Inc. · Basic Materials · Construction Materials
Momentum inputs (comparable managers):
holder breadth +15.4% ·
share flow -1.0% ·
net new positions +13.3%
— formula
Ownership fragmentation — more holders, smaller aggregate stake
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2024
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 121 | 0 | 31.38M | $6.57B | +7 | −6 |
| Q1 2026 | 123 | -1 | 30.52M | $5.23B | +7 | −9 |
| Q4 2025 | 123 | -2 | 33.11M | $5.35B | +2 | −3 |
| Q3 2025 | 23 | -1 | 18.08M | $3.03B | — | −2 |
| Q2 2025 | 22 | +3 | 14.80M | $2.30B | +3 | — |
| Q1 2025 | 16 | +1 | 3.65M | $573.32M | +2 | −1 |
| Q4 2024 | 15 | +2 | 3.49M | $579.24M | +2 | — |
| Q3 2024 | 12 | -2 | 2.21M | $423.26M | +1 | −3 |
| Q2 2024 | 14 | — | 2.30M | $387.23M | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | State Street Global Advisors ✦ (passive) | 1.31M | — | $217.88M | 0.0% | n/c | 1 | SEC ↗ |
| 2 | Geode Capital Management ✦ (passive) | 710.17K | +0.3% | $117.80M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 3 | Geode Capital Management ✦ (passive) | 710.17K | +0.3% | $117.80M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 4 | Norges Bank ✦ (passive) | 444.78K | +2.6% | $73.76M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 5 | T. Rowe Price ✦ | 386.44K | -1.1% | $64.08M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 6 | T. Rowe Price ✦ | 386.44K | -1.1% | $64.08M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 7 | Fisher Asset Management ✦ | 217.89K | -0.7% | $36.13M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 8 | D. E. Shaw & Co. ✦ | 137.77K | -8.9% | $22.85M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 9 | Wellington Management ✦ | 84.20K | +35.0% | $13.96M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 10 | Wellington Management ✦ | 84.20K | +35.0% | $13.96M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 11 | Wellington Management ✦ | 84.20K | +35.0% | $13.96M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 12 | Citadel Advisors ✦ | 52.33K | +48.3% | $8.68M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 13 | Citadel Advisors ✦ | 52.33K | +48.3% | $8.68M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 14 | Bridgewater Associates ✦ | 49.78K | -3.3% | $8.25M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 15 | Gotham Asset Management ✦ | 35.46K | -38.5% | $5.88M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 16 | Point72 Asset Management ✦ | 28.68K | New | $4.76M | 0.0% | New | 1 | SEC ↗ |
| 17 | Millennium Management ✦ | 22.29K | -65.4% | $3.70M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 18 | Marshall Wace ✦ | 4.19K | -32.0% | $694,331 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 19 | Marshall Wace ✦ | 4.19K | -32.0% | $694,331 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 20 | AQR Capital Management ✦ | 3.37K | -89.9% | $558,296 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 21 | AQR Capital Management ✦ | 3.37K | -89.9% | $558,296 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 22 | AQR Capital Management ✦ | 3.37K | -89.9% | $558,296 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 23 | Two Sigma Investments ✦ | 1.53K | New | $253,388 | 0.0% | New | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Point72 Asset Management | $4.76M | 0.0% |
| Two Sigma Investments | $253,388 | 0.0% |
Exited
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 455 holders, 40.19M shares, $6.69B 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.