Ranked by reported Q2 2026 13F market value
Share of total reported institutional value in SSD held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 4.1M | $862.1M | +2.1% | 10.011% | 0.01% |
| 2 | FMR LLC | 3.7M | $768.2M | +38.7% | 8.920% | 0.03% |
| 3 | KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC | 3.6M | $747.0M | -8.2% | 8.673% | 2.32% |
| 4 | VANGUARD PORTFOLIO MANAGEMENT LLC | 1.9M | $402.9M | -0.1% | 4.678% | 0.02% |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | 1.9M | $388.3M | -0.5% | 4.508% | 0.01% |
| 6 | STATE STREET CORP | 1.3M | $273.9M | +2.9% | 3.180% | 0.00% |
| 7 | MORGAN STANLEY | 1.2M | $251.5M | -7.4% | 2.920% | 0.01% |
| 8 | Baker Avenue Asset Management, LP | 915K | $191.5M | -0.0% | 2.223% | 3.62% |
| 9 | DIMENSIONAL FUND ADVISORS LP | 888K | $185.9M | +2.0% | 2.158% | 0.03% |
| 10 | Quantinno Capital Management LP | 862K | $180.5M | +0.5% | 2.095% | 0.22% |
| 11 | ValueAct Holdings, L.P. | 831K | $173.9M | -40.6% | 2.019% | 3.09% |
| 12 | GEODE CAPITAL MANAGEMENT, LLC | 783K | $164.0M | -0.6% | 1.904% | 0.01% |
| 13 | Capital International Investors | 649K | $135.8M | -2.2% | 1.577% | 0.03% |
| 14 | BANK OF MONTREAL /CAN/ | 642K | $134.5M | -0.9% | 1.561% | 0.04% |
| 15 | Neuberger Berman Group LLC | 606K | $126.9M | -20.3% | 1.473% | 0.04% |
| 16 | NORTHERN TRUST CORP | 600K | $125.7M | +3.3% | 1.459% | 0.01% |
| 17 | FIRST TRUST ADVISORS LP | 584K | $122.2M | +0.2% | 1.418% | 0.07% |
| 18 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 543K | $115.9M | +212.3% | 1.319% | 0.04% |
| 19 | JPMORGAN CHASE & CO | 525K | $110.3M | -7.5% | 1.277% | 0.01% |
| 20 | Maren Capital LLC | 513K | $107.4M | +0.5% | 1.247% | 4.98% |
| 21 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 502K | $105.2M | -0.9% | 1.221% | 0.01% |
| 22 | GOLDMAN SACHS GROUP INC | 452K | $94.6M | +9.1% | 1.098% | 0.01% |
| 23 | VICTORY CAPITAL MANAGEMENT INC | 443K | $92.7M | +4.5% | 1.076% | 0.05% |
| 24 | NORGES BANK | 434K | $90.9M | — | 1.056% | 0.01% |
| 25 | FIDUCIARY MANAGEMENT INC /WI/ | 405K | $84.7M | -6.8% | 0.984% | 1.21% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in SSD — a direct measure of their conviction.
Filings activity in SSD during Q2 2026, grouped by how each filer changed its position.
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q2 2026 | 491 | +6.3% | 99.93% | +0.36 pp | $8.40B | +23% |
| Q1 2026 | 462 | +6.5% | 99.57% | 2.27 pp | $6.82B | +3.6% |
| Q4 2025 | 434 | +1.9% | 101.84% | +1.34 pp | $6.59B | 2.0% |
| Q3 2025 | 426 | 0.7% | 100.50% | 2.01 pp | $6.72B | +4.4% |
| Q2 2025 | 429 | +2.6% | 102.51% | +3.45 pp | $6.44B | +2.9% |
| Q1 2025 | 418 | +0.2% | 99.06% | +0.03 pp | $6.26B | 5.3% |
| Q4 2024 | 417 | +2.2% | 99.03% | +1.11 pp | $6.61B | 17% |
| Q3 2024 | 408 | — | 97.92% | — | $7.96B | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying SSD stock.
Based on Q2 2026 13F filings, institutional ownership of Simpson Manufacturing Co., Inc. stands at 99.9%, held across 491 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of SSD, with approximately 4,118,164 shares worth $0.86B as of Q2 2026.
No marquee "smart money" managers (Berkshire, Burry, ARK, Tiger Global, Pershing Square, Baupost, etc.) currently appear among the top 25 institutional holders of SSD.
Our composite Smart Money Score for SSD is 51 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
68 institutions opened new positions in SSD during Q2 2026, while 42 fully exited. 352 added to existing positions and 55 trimmed.
SSD institutional ownership rose by 0.36 percentage points quarter-over-quarter, with a net change of +29 holders.
The top 10 institutions account for 50.6% of all reported 13F value in SSD, and the top 25 account for 71.8%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Simpson Manufacturing Co., Inc. (SSD) Institutional Ownership