SSD
Simpson Manufacturing Co., Inc. · Basic Materials · Construction Materials
Momentum inputs (comparable managers):
holder breadth -14.3% ·
share flow -3.7% ·
net new positions -16.7%
— formula
Broad distribution — falling shares and fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 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 | Geode Capital Management ✦ (passive) | 707.66K | +1.1% | $135.39M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 2 | Geode Capital Management ✦ (passive) | 707.66K | +1.1% | $135.39M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 3 | Norges Bank ✦ (passive) | 433.36K | -2.7% | $82.89M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 4 | T. Rowe Price ✦ | 390.64K | +0.8% | $74.72M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 5 | T. Rowe Price ✦ | 390.64K | +0.8% | $74.72M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 6 | Fisher Asset Management ✦ | 219.46K | +67.2% | $41.98M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 7 | D. E. Shaw & Co. ✦ | 151.21K | -29.0% | $28.92M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 8 | Millennium Management ✦ | 64.41K | -68.1% | $12.32M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 9 | Wellington Management ✦ | 62.38K | New | $11.93M | 0.0% | New | 1 | SEC ↗ |
| 10 | Wellington Management ✦ | 62.38K | New | $11.93M | 0.0% | New | 1 | SEC ↗ |
| 11 | Wellington Management ✦ | 62.38K | New | $11.93M | 0.0% | New | 1 | SEC ↗ |
| 12 | Gotham Asset Management ✦ | 57.62K | +1876.5% | $11.02M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 13 | Bridgewater Associates ✦ | 51.50K | -38.0% | $9.85M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 14 | Citadel Advisors ✦ | 35.28K | -34.0% | $6.75M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 15 | Citadel Advisors ✦ | 35.28K | -34.0% | $6.75M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 16 | AQR Capital Management ✦ | 33.23K | -23.7% | $6.31M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 17 | AQR Capital Management ✦ | 33.23K | -23.7% | $6.31M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 18 | Marshall Wace ✦ | 6.16K | -7.7% | $1.18M | 0.0% | ▼ Trim | 2 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Wellington Management | $11.93M | 0.0% |
| Wellington Management | $11.93M | 0.0% |
| Wellington Management | $11.93M | 0.0% |
Exited
| Renaissance Technologies | $2.31M | was 0.0% |
| Arrowstreet Capital | $1.30M | was 0.0% |
| Two Sigma Investments | $1.21M | was 0.0% |
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.