Simpson Manufacturing Co., Inc.
SSD- Exchange
- NYSE
- Industry
- Cutlery, Handtools & General Hardware
- SEC CIK
- 0000920371
In the last 90 days, Simpson Manufacturing Co., Inc. insiders filed 0 open-market purchases and 2 sales; 488 institutions reported holding it in 13F filings for Q2 2026, worth $8.59B in total; ValueAct Capital is the only superinvestor holding it.
13F holders, Q1 2026
Institutional positions in Simpson Manufacturing Co., Inc. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 463
- +32 vs. Q4 2025
- Shares held
- 40.9M
- +3.67M (+9.8%) vs. Q4 2025
- Total value
- $7.02B
- +$996.5M (+16.6%) vs. Q4 2025
- New holders
- 69
- 149 more added
- Sold out
- 37
- 164 more reduced
8 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting SSD on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 488 | $8.59B |
| Q1 2026 | 463 | $7.02B |
| Q4 2025 | 439 | $6.78B |
| Q3 2025 | 437 | $6.93B |
| Q2 2025 | 433 | $6.65B |
| Q1 2025 | 427 | $6.55B |
| Q4 2024 | 422 | $6.87B |
| Q3 2024 | 415 | $7.79B |
| Q2 2024 | 397 | $6.96B |
| Q1 2024 | 393 | $8.21B |
| Q4 2023 | 383 | $7.86B |
| Q3 2023 | 362 | $5.79B |
| Q2 2023 | 326 | $5.31B |
| Q1 2023 | 320 | $4.25B |
| Q4 2022 | 304 | $3.39B |
| Q3 2022 | 298 | $3.02B |
| Q2 2022 | 301 | $3.91B |
| Q1 2022 | 310 | $4.22B |
| Q4 2021 | 302 | $5.51B |
| Q3 2021 | 293 | $4.14B |
| Q2 2021 | 288 | $4.25B |
| Q1 2021 | 302 | $3.99B |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Simpson Manufacturing Co., Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 4,031,756 | $691.9M | 0.01% | +25,156+0.6% | Added |
| Kayne Anderson Rudnick Investment Management LLC | 3,885,449 | $666.8M | 1.96% | −131,373−3.3% | Reduced |
| FMR LLC | 2,646,302 | $454.2M | 0.02% | +503,755+23.5% | Added |
| Vanguard Portfolio Management LLC | 1,927,556 | $330.8M | 0.02% | +1,927,556 | New |
| Vanguard Capital Management LLC | 1,864,047 | $319.9M | 0.01% | +1,864,047 | New |
| ValueAct Holdings, L.P.SuperinvestorValueAct Capital | 1,398,042 | $239.9M | 4.20% | −74,100−5.0% | Reduced |
| Morgan Stanley | 1,297,261 | $222.6M | 0.01% | −208,127−13.8% | Reduced |
| State Street Corp | 1,271,188 | $218.2M | 0.01% | +26,822+2.2% | Added |
| Baker Avenue Asset Management, LP | 914,702 | $157.0M | 3.58% | −26,421−2.8% | Reduced |
| Dimensional Fund Advisors LP | 870,425 | $149.4M | 0.03% | −7,845−0.9% | Reduced |
| Quantinno Capital Management LP | 857,918 | $147.2M | 0.25% | +4,168+0.5% | Added |
| Geode Capital Management, LLC | 787,667 | $135.2M | 0.01% | +22,345+2.9% | Added |
| Neuberger Berman Group LLC | 760,096 | $130.4M | 0.10% | +16,933+2.3% | Added |
| Capital International Investors | 663,195 | $113.8M | 0.03% | 00.0% | Unchanged |
| Bank of Montreal | 648,001 | $111.2M | 0.05% | −30,489−4.5% | Reduced |
| Conestoga Capital Advisors, LLC | 605,281 | $103.9M | 2.07% | −244,069−28.7% | Reduced |
| First Trust Advisors LP | 582,201 | $99.9M | 0.07% | +34,598+6.3% | Added |
| Northern Trust Corp | 580,976 | $99.7M | 0.01% | +14,838+2.6% | Added |
| JPMorgan Chase & Co | 568,213 | $95.0M | 0.01% | −181,435−24.2% | Reduced |
| Maren Capital LLC | 510,390 | $87.6M | 4.58% | −1,366−0.3% | Reduced |
| Charles Schwab Investment Management Inc | 506,695 | $87.0M | 0.01% | +20,929+4.3% | Added |
| Fiduciary Management Inc | 434,209 | $74.5M | 0.92% | −20,986−4.6% | Reduced |
| Victory Capital Management Inc | 423,666 | $72.7M | 0.05% | +25,719+6.5% | Added |
| Goldman Sachs Group Inc | 414,207 | $71.1M | 0.01% | −80,187−16.2% | Reduced |
| Port Capital LLC | 408,069 | $70.0M | 3.11% | −636−0.2% | Reduced |
| Wells Fargo & Company | 397,844 | $68.3M | 0.01% | −13,799−3.4% | Reduced |
| Raymond James Financial Inc | 324,054 | $55.3M | 0.02% | −46,493−12.5% | Reduced |
| Snyder Capital Management L P | 309,099 | $53.0M | 1.03% | +8,534+2.8% | Added |
| Brown Advisory Inc | 303,624 | $52.1M | 0.09% | −23,982−7.3% | Reduced |
| Allspring Global Investments Holdings, LLC | 304,024 | $52.0M | 0.09% | −20,467−6.3% | Reduced |
| Bank of New York Mellon Corp | 296,611 | $50.9M | 0.01% | +5,121+1.8% | Added |
| Bank of America Corp | 291,314 | $50.0M | 0.00% | +11,272+4.0% | Added |
| Royce & Associates LP | 285,807 | $49.1M | 0.48% | −5,239−1.8% | Reduced |
| Vanguard Fiduciary Trust Co | 258,071 | $44.3M | 0.01% | +258,071 | New |
| Champlain Investment Partners, LLC | 254,525 | $43.7M | 0.55% | −61,465−19.5% | Reduced |
| Federated Hermes, Inc. | 251,443 | $43.2M | 0.07% | −5,312−2.1% | Reduced |
| Disciplined Growth Investors Inc | 241,565 | $41.5M | 0.85% | −18,665−7.2% | Reduced |
| Schroder Investment Management Group | 247,270 | $41.3M | 0.03% | +89,302+56.5% | Added |
| GW&K Investment Management, LLC | 212,533 | $36.5M | 0.32% | −6,737−3.1% | Reduced |
| Price T Rowe Associates Inc | 205,536 | $35.3M | 0.00% | −61,909−23.1% | Reduced |
| Manufacturers Life Insurance Company, The | 199,543 | $34.2M | 0.03% | −3,812−1.9% | Reduced |
| State Farm Mutual Automobile Insurance Co | 181,873 | $31.2M | 0.02% | 00.0% | Unchanged |
| Bessemer Group Inc | 181,480 | $31.1M | 0.05% | +3,666+2.1% | Added |
| Riverbridge Partners LLC | 180,977 | $31.1M | 0.76% | −43,159−19.3% | Reduced |
| AQR Capital Management LLC | 178,972 | $30.4M | 0.01% | +20,692+13.1% | Added |
| Massachusetts Financial Services Co | 173,753 | $29.8M | 0.01% | +15,158+9.6% | Added |
| Royal Bank of Canada | 173,395 | $29.8M | 0.01% | −22,908−11.7% | Reduced |
| Capital World Investors | 172,813 | $29.7M | 0.00% | 00.0% | Unchanged |
| SEI Investments Co | 163,201 | $28.0M | 0.03% | +8,923+5.8% | Added |
| Adage Capital Partners GP, L.L.C. | 157,500 | $27.0M | 0.04% | +7,500+5.0% | Added |
| Ranger Investment Management, L.P. | 154,911 | $26.6M | 1.92% | −1,195−0.8% | Reduced |
| Segall Bryant & Hamill, LLC | 150,936 | $25.9M | 0.37% | −3,589−2.3% | Reduced |
| Ameriprise Financial Inc | 144,697 | $24.8M | 0.01% | −129,167−47.2% | Reduced |
| Cooke & Bieler LP | 135,834 | $23.3M | 0.26% | +6,149+4.7% | Added |
| T. Rowe Price Investment Management, Inc. | 129,191 | $22.2M | 0.02% | −137−0.1% | Reduced |
| Envestnet Asset Management Inc | 129,077 | $22.2M | 0.01% | +1,976+1.6% | Added |
| Gotham Asset Management, LLC | 125,688 | $21.6M | 0.07% | +86,686+222.3% | Added |
| Select Equity Group, L.P. | 122,468 | $21.0M | 0.11% | −37,081−23.2% | Reduced |
| River Road Asset Management, LLC | 119,002 | $20.4M | 0.23% | −19,124−13.8% | Reduced |
| Rhumbline Advisers | 109,389 | $18.8M | 0.02% | +1,184+1.1% | Added |
| Fifth Third Bancorp | 106,057 | $18.2M | 0.03% | +105,174+11,911.0% | Added |
| Cornerstone Capital, Inc. | 105,652 | $18.1M | 1.81% | −57−0.1% | Reduced |
| Whittier Trust Co | 97,529 | $16.3M | 0.18% | +8,877+10.0% | Added |
| Clearbridge Investments, LLC | 94,782 | $16.3M | 0.01% | +1,157+1.2% | Added |
| Principal Financial Group Inc | 92,548 | $15.9M | 0.01% | +3,328+3.7% | Added |
| Ariel Investments, LLC | 91,750 | $15.7M | 0.18% | +361+0.4% | Added |
| UBS Asset Management Americas Inc | 90,657 | $15.6M | 0.00% | +2,829+3.2% | Added |
| D. E. Shaw & Co., Inc. | 82,463 | $14.2M | 0.01% | −18,278−18.1% | Reduced |
| Swiss National Bank | 82,100 | $14.1M | 0.01% | 00.0% | Unchanged |
| Jane Street Group, LLC | 80,499 | $13.8M | 0.01% | +14,245+21.5% | Added |
| Argent Capital Management LLC | 79,773 | $13.7M | 0.43% | +19,097+31.5% | Added |
| North Berkeley Wealth Management, LLC | 79,590 | $13.7M | 7.22% | 00.0% | Unchanged |
| Nuveen, LLC | 77,461 | $13.3M | 0.00% | +2,021+2.7% | Added |
| Kennedy Capital Management, Inc. | 76,913 | $13.2M | 0.28% | −1,202−1.5% | Reduced |
| California Public Employees Retirement System | 73,996 | $12.7M | 0.01% | +72+0.1% | Added |
| DF Dent & Co Inc | 68,667 | $11.8M | 0.23% | −3,285−4.6% | Reduced |
| Treasurer of the State of North Carolina | 66,867 | $11.5M | 0.04% | +4,945+8.0% | Added |
| Invesco Ltd. | 65,544 | $11.2M | 0.00% | −5,413−7.6% | Reduced |
| State of Wisconsin Investment Board | 60,091 | $10.3M | 0.02% | −3,151−5.0% | Reduced |
| Regions Financial Corp | 59,783 | $10.3M | 0.07% | −4,608−7.2% | Reduced |
| UBS Group AG | 58,895 | $10.1M | 0.00% | +14,984+34.1% | Added |
| Man Group plc | 57,566 | $9.88M | 0.02% | −17,588−23.4% | Reduced |
| New York State Teachers Retirement System | 57,461 | $9.86M | 0.02% | +949+1.7% | Added |
| Legal & General Group Plc | 55,554 | $9.53M | 0.00% | −6,540−10.5% | Reduced |
| SG Americas Securities, LLC | 55,393 | $9.51M | 0.01% | −6,971−11.2% | Reduced |
| Verition Fund Management LLC | 54,946 | $9.43M | 0.09% | +24,680+81.5% | Added |
| Callan Family Office, LLC | 52,246 | $8.97M | 0.20% | +668+1.3% | Added |
| Citigroup Inc | 51,215 | $8.79M | 0.01% | −1,944−3.7% | Reduced |
| Retirement Systems of Alabama | 50,826 | $8.72M | 0.03% | +1,068+2.1% | Added |
| Whittier Trust Co of Nevada Inc | 50,699 | $8.50M | 0.17% | +1,637+3.3% | Added |
| Alliancebernstein L.P. | 51,986 | $8.39M | 0.00% | −492−0.9% | Reduced |
| Ceredex Value Advisors LLC | 48,150 | $8.26M | 0.26% | −12,350−20.4% | Reduced |
| California State Teachers Retirement System | 47,538 | $8.16M | 0.01% | +8,010+20.3% | Added |
| Stifel Financial Corp | 46,828 | $8.04M | 0.01% | −4,854−9.4% | Reduced |
| EULAV Asset Management | 46,200 | $7.93M | 0.25% | +2,000+4.5% | Added |
| Mutual of America Capital Management LLC | 44,551 | $7.65M | 0.09% | −1,579−3.4% | Reduced |
| Robeco Schweiz AG | 44,000 | $7.55M | 0.16% | 00.0% | Unchanged |
| Barclays PLC | 43,976 | $7.55M | 0.00% | −5,888−11.8% | Reduced |
| Marshall Wace, LLP | 43,819 | $7.52M | 0.01% | +40,998+1,453.3% | Added |
| RSM US Wealth Management LLC | 43,443 | $7.46M | 0.09% | −60−0.1% | Reduced |