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; 489 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 | 489 | $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 |
|---|---|---|---|---|---|
| Arizona State Retirement System | 11,390 | $1.95M | 0.01% | −208−1.8% | Reduced |
| Westview Management dba Westview Investment Advisors | 11,465 | $1.97M | 1.02% | −1,379−10.7% | Reduced |
| Handelsbanken Fonder AB | 11,637 | $2.00M | 0.01% | 00.0% | Unchanged |
| EP Wealth Advisors, LLC | 11,865 | $2.04M | 0.01% | −317−2.6% | Reduced |
| Louisiana State Employees Retirement System | 12,000 | $2.06M | 0.04% | +500+4.3% | Added |
| Yousif Capital Management, LLC | 12,280 | $2.11M | 0.02% | −668−5.2% | Reduced |
| SeaBridge Investment Advisors LLC | 12,632 | $2.17M | 0.37% | 00.0% | Unchanged |
| Teachers Retirement System of the State of Kentucky | 12,646 | $2.17M | 0.02% | 00.0% | Unchanged |
| SkyView Investment Advisors, LLC | 12,665 | $2.17M | 0.29% | +397+3.2% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 12,844 | $2.20M | 0.00% | 00.0% | Unchanged |
| Edgestream Partners, L.P. | 13,049 | $2.24M | 0.07% | +13,049 | New |
| State Board of Administration of Florida Retirement System | 13,331 | $2.29M | 0.00% | 00.0% | Unchanged |
| Quantbot Technologies LP | 13,342 | $2.29M | 0.09% | +8,548+178.3% | Added |
| Atria Investments LLC | 13,817 | $2.37M | 0.03% | −617−4.3% | Reduced |
| State of New Jersey Common Pension Fund D | 14,004 | $2.40M | 0.01% | 00.0% | Unchanged |
| Oppenheimer Asset Management Inc. | 15,188 | $2.61M | 0.03% | −58−0.4% | Reduced |
| State of Tennessee, Treasury Department | 15,733 | $2.70M | 0.01% | 00.0% | Unchanged |
| VELA Investment Management, LLC | 15,761 | $2.70M | 0.70% | +714+4.7% | Added |
| Granite Investment Partners, LLC | 15,986 | $2.74M | 0.17% | +459+3.0% | Added |
| South Dakota Investment Council | 16,036 | $2.75M | 0.05% | −1,000−5.9% | Reduced |
| M&T Bank Corp | 16,083 | $2.76M | 0.01% | −725−4.3% | Reduced |
| Vanguard Global Advisers, LLC | 16,745 | $2.87M | 0.00% | +16,745 | New |
| Agf Management Ltd | 17,667 | $3.03M | 0.01% | +17,667 | New |
| Police & Firemen's Retirement System of New Jersey | 18,093 | $3.11M | 0.03% | 00.0% | Unchanged |
| Janus Henderson Group PLC | 18,566 | $3.18M | 0.00% | +271+1.5% | Added |
| Amalgamated Bank | 18,879 | $3.24M | 0.02% | +243+1.3% | Added |
| Natixis Advisors, L.P. | 19,265 | $3.31M | 0.00% | +2,163+12.6% | Added |
| New York State Common Retirement Fund | 19,662 | $3.37M | 0.00% | −300−1.5% | Reduced |
| Baird Financial Group, Inc. | 20,089 | $3.45M | 0.01% | −1,756−8.0% | Reduced |
| Creative Planning | 20,129 | $3.45M | 0.00% | +6,400+46.6% | Added |
| Mercer Global Advisors Inc | 20,219 | $3.47M | 0.01% | +929+4.8% | Added |
| Aristides Capital LLC | 20,305 | $3.48M | 1.15% | +12,964+176.6% | Added |
| MetLife Investment Management | 20,546 | $3.53M | 0.02% | +115+0.6% | Added |
| Credit Agricole S A | 20,863 | $3.58M | 0.01% | 00.0% | Unchanged |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 21,104 | $3.62M | 0.01% | +4,441+26.7% | Added |
| Citadel Advisors LLC | 22,723 | $3.90M | 0.00% | −8,592−27.4% | Reduced |
| Cerity Partners LLC | 23,293 | $4.00M | 0.01% | −2,814−10.8% | Reduced |
| Two Sigma Investments, LP | 23,523 | $4.04M | 0.00% | +499+2.2% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 23,880 | $4.10M | 0.01% | −19,555−45.0% | Reduced |
| Vestmark Advisory Solutions, Inc. | 23,914 | $4.10M | 0.05% | −5,036−17.4% | Reduced |
| NewEdge Wealth, LLC | 23,993 | $4.12M | 0.05% | −3,553−12.9% | Reduced |
| Great West Life Assurance Co | 24,017 | $4.12M | 0.01% | +136+0.6% | Added |
| Public Employees Retirement System of Ohio | 24,278 | $4.17M | 0.01% | −547−2.2% | Reduced |
| Pathstone Holdings, LLC | 24,343 | $4.18M | 0.02% | −221−0.9% | Reduced |
| Livforsakringsbolaget Skandia, Omsesidigt | 25,800 | $4.42M | 0.18% | +25,800 | New |
| Alps Advisors Inc | 26,165 | $4.49M | 0.02% | −1,254−4.6% | Reduced |
| Wiley Bros.-Aintree Capital, LLC | 27,538 | $4.73M | 0.02% | +126+0.5% | Added |
| Franklin Resources Inc | 28,408 | $4.88M | 0.00% | +20,347+252.4% | Added |
| Rockefeller Capital Management L.P. | 29,284 | $5.03M | 0.01% | +3,627+14.1% | Added |
| Brasada Capital Management, LP | 30,000 | $5.03M | 0.92% | −1,797−5.7% | Reduced |
| Moran Wealth Management, LLC | 30,461 | $5.23M | 0.16% | −53−0.2% | Reduced |
| Rafferty Asset Management, LLC | 32,918 | $5.65M | 0.02% | −6,137−15.7% | Reduced |
| American Century Companies Inc | 35,020 | $6.01M | 0.00% | +5,009+16.7% | Added |
| Russell Investments Group, Ltd. | 35,779 | $6.14M | 0.01% | +766+2.2% | Added |
| Van Eck Associates Corp | 35,901 | $6.16M | 0.00% | +1,294+3.7% | Added |
| Berkeley, Inc | 37,796 | $6.49M | 2.18% | −985−2.5% | Reduced |
| Voloridge Investment Management, LLC | 38,329 | $6.58M | 0.03% | −34,743−47.5% | Reduced |
| Vanguard Asset Management, Ltd | 38,371 | $6.59M | 0.01% | +38,371 | New |
| Castleark Management LLC | 38,382 | $6.59M | 0.22% | −2,050−5.1% | Reduced |
| CBOE Vest Financial, LLC | 39,205 | $6.73M | 0.08% | +4,227+12.1% | Added |
| DekaBank Deutsche Girozentrale | 39,391 | $6.77M | 0.01% | 00.0% | Unchanged |
| Candriam Luxembourg S.C.A. | 41,560 | $7.13M | 0.04% | +41,560 | New |
| Teacher Retirement System of Texas | 42,495 | $7.29M | 0.03% | +7,177+20.3% | Added |
| RSM US Wealth Management LLC | 43,443 | $7.46M | 0.09% | −60−0.1% | Reduced |
| Marshall Wace, LLP | 43,819 | $7.52M | 0.01% | +40,998+1,453.3% | Added |
| Barclays PLC | 43,976 | $7.55M | 0.00% | −5,888−11.8% | Reduced |
| Robeco Schweiz AG | 44,000 | $7.55M | 0.16% | 00.0% | Unchanged |
| Mutual of America Capital Management LLC | 44,551 | $7.65M | 0.09% | −1,579−3.4% | Reduced |
| EULAV Asset Management | 46,200 | $7.93M | 0.25% | +2,000+4.5% | Added |
| Stifel Financial Corp | 46,828 | $8.04M | 0.01% | −4,854−9.4% | Reduced |
| California State Teachers Retirement System | 47,538 | $8.16M | 0.01% | +8,010+20.3% | Added |
| Ceredex Value Advisors LLC | 48,150 | $8.26M | 0.26% | −12,350−20.4% | Reduced |
| Alliancebernstein L.P. | 51,986 | $8.39M | 0.00% | −492−0.9% | Reduced |
| Whittier Trust Co of Nevada Inc | 50,699 | $8.50M | 0.17% | +1,637+3.3% | Added |
| Retirement Systems of Alabama | 50,826 | $8.72M | 0.03% | +1,068+2.1% | Added |
| Citigroup Inc | 51,215 | $8.79M | 0.01% | −1,944−3.7% | Reduced |
| Callan Family Office, LLC | 52,246 | $8.97M | 0.20% | +668+1.3% | Added |
| Verition Fund Management LLC | 54,946 | $9.43M | 0.09% | +24,680+81.5% | Added |
| SG Americas Securities, LLC | 55,393 | $9.51M | 0.01% | −6,971−11.2% | Reduced |
| Legal & General Group Plc | 55,554 | $9.53M | 0.00% | −6,540−10.5% | Reduced |
| New York State Teachers Retirement System | 57,461 | $9.86M | 0.02% | +949+1.7% | Added |
| Man Group plc | 57,566 | $9.88M | 0.02% | −17,588−23.4% | Reduced |
| UBS Group AG | 58,895 | $10.1M | 0.00% | +14,984+34.1% | Added |
| Regions Financial Corp | 59,783 | $10.3M | 0.07% | −4,608−7.2% | Reduced |
| State of Wisconsin Investment Board | 60,091 | $10.3M | 0.02% | −3,151−5.0% | Reduced |
| Invesco Ltd. | 65,544 | $11.2M | 0.00% | −5,413−7.6% | Reduced |
| Treasurer of the State of North Carolina | 66,867 | $11.5M | 0.04% | +4,945+8.0% | Added |
| DF Dent & Co Inc | 68,667 | $11.8M | 0.23% | −3,285−4.6% | Reduced |
| California Public Employees Retirement System | 73,996 | $12.7M | 0.01% | +72+0.1% | Added |
| Kennedy Capital Management, Inc. | 76,913 | $13.2M | 0.28% | −1,202−1.5% | Reduced |
| Nuveen, LLC | 77,461 | $13.3M | 0.00% | +2,021+2.7% | Added |
| North Berkeley Wealth Management, LLC | 79,590 | $13.7M | 7.22% | 00.0% | Unchanged |
| Argent Capital Management LLC | 79,773 | $13.7M | 0.43% | +19,097+31.5% | Added |
| Jane Street Group, LLC | 80,499 | $13.8M | 0.01% | +14,245+21.5% | Added |
| Swiss National Bank | 82,100 | $14.1M | 0.01% | 00.0% | Unchanged |
| D. E. Shaw & Co., Inc. | 82,463 | $14.2M | 0.01% | −18,278−18.1% | Reduced |
| UBS Asset Management Americas Inc | 90,657 | $15.6M | 0.00% | +2,829+3.2% | Added |
| Ariel Investments, LLC | 91,750 | $15.7M | 0.18% | +361+0.4% | Added |
| Principal Financial Group Inc | 92,548 | $15.9M | 0.01% | +3,328+3.7% | Added |
| Clearbridge Investments, LLC | 94,782 | $16.3M | 0.01% | +1,157+1.2% | Added |