Security record · archived quarter
SSD
Simpson Manufacturing Co., Inc. · Basic Materials · Construction Materials
23Tracked holders
-1Δ holders
18.08MShares held
$3.03BReported value
+0New positions
−2Exits
Momentum inputs (comparable managers):
holder breadth -4.2% ·
share flow +1.8% ·
net new positions -8.7%
— formula
Concentrated accumulation — rising shares among fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2025
Ownership over time
| 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 | — | — |
Who holds it · Q3 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | The Vanguard Group ✦ (passive) | 4.08M | -1.0% | $683.69M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 2 | The Vanguard Group ✦ (passive) | 4.08M | -1.0% | $683.69M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 3 | The Vanguard Group ✦ (passive) | 4.08M | -1.0% | $683.69M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 4 | The Vanguard Group ✦ (passive) | 4.08M | -1.0% | $683.69M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 5 | The Vanguard Group ✦ (passive) | 4.08M | -1.0% | $683.69M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 4.00M | +2.0% | $670.39M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 4.00M | +2.0% | $670.39M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 4.00M | +2.0% | $670.39M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 4.00M | +2.0% | $670.39M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 4.00M | +2.0% | $670.39M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 4.00M | +2.0% | $670.39M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 4.00M | +2.0% | $670.39M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 4.00M | +2.0% | $670.39M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 14 | BlackRock ✦ (passive) | 4.00M | +2.0% | $670.39M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 15 | BlackRock ✦ (passive) | 4.00M | +2.0% | $670.39M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 16 | BlackRock ✦ (passive) | 4.00M | +2.0% | $670.39M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 17 | BlackRock ✦ (passive) | 4.00M | +2.0% | $670.39M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 18 | BlackRock ✦ (passive) | 4.00M | +2.0% | $670.39M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 19 | BlackRock ✦ (passive) | 4.00M | +2.0% | $670.39M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 20 | BlackRock ✦ (passive) | 4.00M | +2.0% | $670.39M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 21 | BlackRock ✦ (passive) | 4.00M | +2.0% | $670.39M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 22 | BlackRock ✦ (passive) | 4.00M | +2.0% | $670.39M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 23 | Fidelity (FMR) ✦ | 2.11M | +33.8% | $354.02M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 24 | Fidelity (FMR) ✦ | 2.11M | +33.8% | $354.02M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 25 | Fidelity (FMR) ✦ | 2.11M | +33.8% | $354.02M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 26 | Fidelity (FMR) ✦ | 2.11M | +33.8% | $354.02M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 27 | Fidelity (FMR) ✦ | 2.11M | +33.8% | $354.02M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 28 | JPMorgan Chase ✦ | 1.62M | — | $271.60M | 0.0% | n/c | 1 | SEC ↗ |
| 29 | JPMorgan Chase ✦ | 1.62M | — | $271.60M | 0.0% | n/c | 1 | SEC ↗ |
| 30 | JPMorgan Chase ✦ | 1.62M | — | $271.60M | 0.0% | n/c | 1 | SEC ↗ |
| 31 | JPMorgan Chase ✦ | 1.62M | — | $271.60M | 0.0% | n/c | 1 | SEC ↗ |
| 32 | JPMorgan Chase ✦ | 1.62M | — | $271.60M | 0.0% | n/c | 1 | SEC ↗ |
| 33 | JPMorgan Chase ✦ | 1.62M | — | $271.60M | 0.0% | n/c | 1 | SEC ↗ |
| 34 | JPMorgan Chase ✦ | 1.62M | — | $271.60M | 0.0% | n/c | 1 | SEC ↗ |
| 35 | JPMorgan Chase ✦ | 1.62M | — | $271.60M | 0.0% | n/c | 1 | SEC ↗ |
| 36 | JPMorgan Chase ✦ | 1.62M | — | $271.60M | 0.0% | n/c | 1 | SEC ↗ |
| 37 | JPMorgan Chase ✦ | 1.62M | — | $271.60M | 0.0% | n/c | 1 | SEC ↗ |
| 38 | JPMorgan Chase ✦ | 1.62M | — | $271.60M | 0.0% | n/c | 1 | SEC ↗ |
| 39 | JPMorgan Chase ✦ | 1.62M | — | $271.60M | 0.0% | n/c | 1 | SEC ↗ |
| 40 | JPMorgan Chase ✦ | 1.62M | — | $271.60M | 0.0% | n/c | 1 | SEC ↗ |
| 41 | JPMorgan Chase ✦ | 1.62M | — | $271.60M | 0.0% | n/c | 1 | SEC ↗ |
| 42 | Morgan Stanley ✦ | 1.53M | — | $256.45M | 0.0% | n/c | 1 | SEC ↗ |
| 43 | Morgan Stanley ✦ | 1.53M | — | $256.45M | 0.0% | n/c | 1 | SEC ↗ |
| 44 | Morgan Stanley ✦ | 1.53M | — | $256.45M | 0.0% | n/c | 1 | SEC ↗ |
| 45 | Morgan Stanley ✦ | 1.53M | — | $256.45M | 0.0% | n/c | 1 | SEC ↗ |
| 46 | Morgan Stanley ✦ | 1.53M | — | $256.45M | 0.0% | n/c | 1 | SEC ↗ |
| 47 | Morgan Stanley ✦ | 1.53M | — | $256.45M | 0.0% | n/c | 1 | SEC ↗ |
| 48 | Morgan Stanley ✦ | 1.53M | — | $256.45M | 0.0% | n/c | 1 | SEC ↗ |
| 49 | Morgan Stanley ✦ | 1.53M | — | $256.45M | 0.0% | n/c | 1 | SEC ↗ |
| 50 | Morgan Stanley ✦ | 1.53M | — | $256.45M | 0.0% | n/c | 1 | SEC ↗ |
| 51 | Morgan Stanley ✦ | 1.53M | — | $256.45M | 0.0% | n/c | 1 | SEC ↗ |
| 52 | Morgan Stanley ✦ | 1.53M | — | $256.45M | 0.0% | n/c | 1 | SEC ↗ |
| 53 | Morgan Stanley ✦ | 1.53M | — | $256.45M | 0.0% | n/c | 1 | SEC ↗ |
| 54 | State Street Global Advisors ✦ (passive) | 1.25M | +0.1% | $209.49M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 55 | ValueAct Capital ✦ | 1.21M | -14.1% | $202.28M | 3.4% | ▼ Trim | 2 | SEC ↗ |
| 56 | Geode Capital Management ✦ (passive) | 758.45K | +1.8% | $127.03M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 57 | Geode Capital Management ✦ (passive) | 758.45K | +1.8% | $127.03M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 58 | T. Rowe Price ✦ | 393.38K | +0.2% | $65.88M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 59 | T. Rowe Price ✦ | 393.38K | +0.2% | $65.88M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 60 | Goldman Sachs Group ✦ | 315.06K | — | $52.76M | 0.0% | n/c | 1 | SEC ↗ |
| 61 | Goldman Sachs Group ✦ | 315.06K | — | $52.76M | 0.0% | n/c | 1 | SEC ↗ |
| 62 | Adage Capital Partners ✦ | 175.00K | +133.3% | $29.31M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 63 | Capital World Investors ✦ | 172.81K | +101.7% | $28.94M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 64 | Fisher Asset Management ✦ | 143.66K | +5.6% | $24.06M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 65 | D. E. Shaw & Co. ✦ | 117.87K | -34.9% | $19.74M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 66 | Point72 Asset Management ✦ | 49.58K | -76.8% | $8.30M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 67 | Citadel Advisors ✦ | 38.28K | +0.5% | $6.41M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 68 | Citadel Advisors ✦ | 38.28K | +0.5% | $6.41M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 69 | Wellington Management ✦ | 35.90K | -44.8% | $6.01M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 70 | Wellington Management ✦ | 35.90K | -44.8% | $6.01M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 71 | AQR Capital Management ✦ | 32.70K | +378.4% | $5.46M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 72 | AQR Capital Management ✦ | 32.70K | +378.4% | $5.46M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 73 | AQR Capital Management ✦ | 32.70K | +378.4% | $5.46M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 74 | AQR Capital Management ✦ | 32.70K | +378.4% | $5.46M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 75 | AQR Capital Management ✦ | 32.70K | +378.4% | $5.46M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 76 | Arrowstreet Capital ✦ | 12.91K | +42.0% | $2.16M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 77 | Two Sigma Investments ✦ | 8.42K | -43.6% | $1.41M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 78 | Gotham Asset Management ✦ | 7.57K | -2.6% | $1.27M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 79 | Millennium Management ✦ | 4.50K | -82.9% | $753,905 | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 80 | Marshall Wace ✦ | 2.58K | -23.1% | $431,712 | 0.0% | ▼ Trim | 6 | 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
| Norges Bank | $77.53M | was 0.0% |
| Renaissance Technologies | $1.82M | 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.
Frequently co-owned
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Aug 13
SC 13G/A — KAYNE ANDERSON RUDNICK INVESTMENT…
Aug 06
SC 13G/A — FMR LLC
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q3 2025 ·
Methodology ·
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