Security record · archived quarter
SSD
Simpson Manufacturing Co., Inc. · Basic Materials · Construction Materials
22Tracked holders
+3Δ holders
14.80MShares held
$2.30BReported value
+3New positions
−0Exits
Momentum inputs (comparable managers):
holder breadth +15.8% ·
share flow +11.4% ·
net new positions +13.6%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 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 · Q2 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | The Vanguard Group ✦ (passive) | 4.12M | — | $640.25M | 0.0% | n/c | 1 | SEC ↗ |
| 2 | The Vanguard Group ✦ (passive) | 4.12M | — | $640.25M | 0.0% | n/c | 1 | SEC ↗ |
| 3 | The Vanguard Group ✦ (passive) | 4.12M | — | $640.25M | 0.0% | n/c | 1 | SEC ↗ |
| 4 | The Vanguard Group ✦ (passive) | 4.12M | — | $640.25M | 0.0% | n/c | 1 | SEC ↗ |
| 5 | The Vanguard Group ✦ (passive) | 4.12M | — | $640.25M | 0.0% | n/c | 1 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 3.93M | — | $609.80M | 0.0% | n/c | 1 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 3.93M | — | $609.80M | 0.0% | n/c | 1 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 3.93M | — | $609.80M | 0.0% | n/c | 1 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 3.93M | — | $609.80M | 0.0% | n/c | 1 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 3.93M | — | $609.80M | 0.0% | n/c | 1 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 3.93M | — | $609.80M | 0.0% | n/c | 1 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 3.93M | — | $609.80M | 0.0% | n/c | 1 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 3.93M | — | $609.80M | 0.0% | n/c | 1 | SEC ↗ |
| 14 | BlackRock ✦ (passive) | 3.93M | — | $609.80M | 0.0% | n/c | 1 | SEC ↗ |
| 15 | BlackRock ✦ (passive) | 3.93M | — | $609.80M | 0.0% | n/c | 1 | SEC ↗ |
| 16 | BlackRock ✦ (passive) | 3.93M | — | $609.80M | 0.0% | n/c | 1 | SEC ↗ |
| 17 | BlackRock ✦ (passive) | 3.93M | — | $609.80M | 0.0% | n/c | 1 | SEC ↗ |
| 18 | BlackRock ✦ (passive) | 3.93M | — | $609.80M | 0.0% | n/c | 1 | SEC ↗ |
| 19 | BlackRock ✦ (passive) | 3.93M | — | $609.80M | 0.0% | n/c | 1 | SEC ↗ |
| 20 | BlackRock ✦ (passive) | 3.93M | — | $609.80M | 0.0% | n/c | 1 | SEC ↗ |
| 21 | BlackRock ✦ (passive) | 3.93M | — | $609.80M | 0.0% | n/c | 1 | SEC ↗ |
| 22 | Fidelity (FMR) ✦ | 1.58M | — | $245.36M | 0.0% | n/c | 1 | SEC ↗ |
| 23 | Fidelity (FMR) ✦ | 1.58M | — | $245.36M | 0.0% | n/c | 1 | SEC ↗ |
| 24 | Fidelity (FMR) ✦ | 1.58M | — | $245.36M | 0.0% | n/c | 1 | SEC ↗ |
| 25 | Fidelity (FMR) ✦ | 1.58M | — | $245.36M | 0.0% | n/c | 1 | SEC ↗ |
| 26 | Fidelity (FMR) ✦ | 1.58M | — | $245.36M | 0.0% | n/c | 1 | SEC ↗ |
| 27 | ValueAct Capital ✦ | 1.41M | New | $218.38M | 3.9% | New | 1 | SEC ↗ |
| 28 | State Street Global Advisors ✦ (passive) | 1.25M | -5.7% | $194.05M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 29 | Geode Capital Management ✦ (passive) | 745.43K | -0.5% | $115.79M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 30 | Geode Capital Management ✦ (passive) | 745.43K | -0.5% | $115.79M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 31 | Norges Bank ✦ (passive) | 499.18K | +1.4% | $77.53M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 32 | T. Rowe Price ✦ | 392.77K | +1.0% | $61.00M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 33 | T. Rowe Price ✦ | 392.77K | +1.0% | $61.00M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 34 | Point72 Asset Management ✦ | 213.54K | +499.1% | $33.16M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 35 | D. E. Shaw & Co. ✦ | 181.02K | -20.3% | $28.11M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 36 | Fisher Asset Management ✦ | 136.00K | -38.1% | $21.12M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 37 | Capital World Investors ✦ | 85.68K | New | $13.31M | 0.0% | New | 1 | SEC ↗ |
| 38 | Adage Capital Partners ✦ | 75.00K | New | $11.65M | 0.0% | New | 1 | SEC ↗ |
| 39 | Wellington Management ✦ | 65.06K | -10.0% | $10.10M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 40 | Wellington Management ✦ | 65.06K | -10.0% | $10.10M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 41 | Wellington Management ✦ | 65.06K | -10.0% | $10.10M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 42 | Citadel Advisors ✦ | 38.08K | +23.2% | $5.91M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 43 | Citadel Advisors ✦ | 38.08K | +23.2% | $5.91M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 44 | Millennium Management ✦ | 26.30K | +938.6% | $4.08M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 45 | Two Sigma Investments ✦ | 14.92K | +69.6% | $2.32M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 46 | Renaissance Technologies ✦ | 11.70K | -61.1% | $1.82M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 47 | Arrowstreet Capital ✦ | 9.09K | +54.2% | $1.41M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 48 | Gotham Asset Management ✦ | 7.78K | -79.0% | $1.21M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 49 | AQR Capital Management ✦ | 6.83K | +34.2% | $1.06M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 50 | AQR Capital Management ✦ | 6.83K | +34.2% | $1.06M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 51 | AQR Capital Management ✦ | 6.83K | +34.2% | $1.06M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 52 | Marshall Wace ✦ | 3.35K | -82.8% | $520,910 | 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
| ValueAct Capital | $218.38M | 3.9% |
| Capital World Investors | $13.31M | 0.0% |
| Adage Capital Partners | $11.65M | 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.
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: Q2 2025 ·
Methodology ·
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