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, Q3 2025
Institutional positions in Simpson Manufacturing Co., Inc. as of Sep 30, 2025. 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
- 437
- +11 vs. Q2 2025
- Shares held
- 41.3M
- −989.7K (−2.3%) vs. Q2 2025
- Total value
- $6.93B
- +$363.0M (+5.5%) vs. Q2 2025
- New holders
- 56
- 147 more added
- Sold out
- 45
- 167 more reduced
7 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Simpson Manufacturing Co., Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Kayne Anderson Rudnick Investment Management LLC | 4,329,709 | $725.1M | 1.77% | −217,854−4.8% | Reduced |
| Vanguard Group Inc | 4,082,677 | $683.7M | 0.01% | −39,700−1.0% | Reduced |
| BlackRock, Inc. | 4,003,297 | $670.4M | 0.01% | +76,953+2.0% | Added |
| FMR LLC | 2,114,032 | $354.0M | 0.02% | +534,194+33.8% | Added |
| Morgan Stanley | 1,531,426 | $256.5M | 0.02% | −46,221−2.9% | Reduced |
| State Street Corp | 1,251,004 | $209.5M | 0.01% | +1,593+0.1% | Added |
| ValueAct Holdings, L.P.SuperinvestorValueAct Capital | 1,207,942 | $202.3M | 3.41% | −198,163−14.1% | Reduced |
| Baker Avenue Asset Management, LP | 1,090,929 | $182.7M | 4.37% | −693−0.1% | Reduced |
| Fiduciary Management Inc | 1,017,566 | $170.4M | 1.72% | −5,708−0.6% | Reduced |
| Conestoga Capital Advisors, LLC | 882,361 | $147.8M | 2.37% | −220,801−20.0% | Reduced |
| Dimensional Fund Advisors LP | 846,526 | $141.8M | 0.03% | −16,599−1.9% | Reduced |
| Neuberger Berman Group LLC | 823,729 | $137.9M | 0.10% | +120,061+17.1% | Added |
| JPMorgan Chase & Co | 810,940 | $135.8M | 0.01% | −605,844−42.8% | Reduced |
| Burgundy Asset Management Ltd. | 689,900 | $131.9M | 1.24% | −3,875−0.6% | Reduced |
| Geode Capital Management, LLC | 758,453 | $127.0M | 0.01% | +13,018+1.7% | Added |
| Quantinno Capital Management LP | 577,757 | $96.8M | 0.26% | +2,313+0.4% | Added |
| Northern Trust Corp | 555,211 | $93.0M | 0.01% | +7,552+1.4% | Added |
| First Trust Advisors LP | 541,149 | $90.6M | 0.07% | +26,743+5.2% | Added |
| Charles Schwab Investment Management Inc | 486,355 | $81.4M | 0.01% | +2,489+0.5% | Added |
| Champlain Investment Partners, LLC | 447,314 | $74.9M | 0.56% | −54,536−10.9% | Reduced |
| Wells Fargo & Company | 432,294 | $72.4M | 0.01% | −18,557−4.1% | Reduced |
| Maren Capital LLC | 423,089 | $70.9M | 3.94% | +41,570+10.9% | Added |
| Port Capital LLC | 406,210 | $68.0M | 2.84% | +3,825+1.0% | Added |
| Price T Rowe Associates Inc | 393,382 | $65.9M | 0.01% | +616+0.2% | Added |
| Raymond James Financial Inc | 388,381 | $65.0M | 0.02% | −8,423−2.1% | Reduced |
| Capital International Investors | 342,325 | $57.3M | 0.01% | 00.0% | Unchanged |
| Ameriprise Financial Inc | 337,901 | $56.6M | 0.01% | −101,299−23.1% | Reduced |
| Allspring Global Investments Holdings, LLC | 330,947 | $55.4M | 0.09% | −17,576−5.0% | Reduced |
| Bank of New York Mellon Corp | 319,615 | $53.5M | 0.01% | −10,218−3.1% | Reduced |
| Goldman Sachs Group Inc | 315,062 | $52.8M | 0.01% | +43,056+15.8% | Added |
| Federated Hermes, Inc. | 310,027 | $51.9M | 0.09% | +4,290+1.4% | Added |
| Bank of America Corp | 305,665 | $51.2M | 0.00% | +12,288+4.2% | Added |
| Riverbridge Partners LLC | 261,977 | $43.9M | 0.74% | −19,715−7.0% | Reduced |
| Royce & Associates LP | 260,628 | $43.6M | 0.44% | +58,002+28.6% | Added |
| Disciplined Growth Investors Inc | 256,037 | $42.9M | 0.78% | −9,567−3.6% | Reduced |
| GW&K Investment Management, LLC | 231,487 | $38.8M | 0.34% | −10,191−4.2% | Reduced |
| Snyder Capital Management L P | 223,246 | $37.4M | 0.71% | −3,563−1.6% | Reduced |
| Royal Bank of Canada | 221,904 | $37.2M | 0.01% | −54,810−19.8% | Reduced |
| Manufacturers Life Insurance Company, The | 209,835 | $35.1M | 0.03% | −133,492−38.9% | Reduced |
| Rivulet Capital, LLC | 204,300 | $34.2M | 4.01% | −59,250−22.5% | Reduced |
| Brown Advisory Inc | 196,225 | $32.9M | 0.04% | +39,840+25.5% | Added |
| T. Rowe Price Investment Management, Inc. | 185,653 | $31.1M | 0.02% | +67,867+57.6% | Added |
| State Farm Mutual Automobile Insurance Co | 181,873 | $30.5M | 0.03% | 00.0% | Unchanged |
| Adage Capital Partners GP, L.L.C. | 175,000 | $29.3M | 0.05% | +100,000+133.3% | Added |
| Capital World Investors | 172,813 | $28.9M | 0.00% | +87,135+101.7% | Added |
| Bessemer Group Inc | 164,219 | $27.5M | 0.04% | +28,772+21.2% | Added |
| Envestnet Asset Management Inc | 151,237 | $25.3M | 0.01% | −17,402−10.3% | Reduced |
| Schroder Investment Management Group | 150,533 | $25.2M | 0.02% | −10,789−6.7% | Reduced |
| Segall Bryant & Hamill, LLC | 144,142 | $24.1M | 0.32% | −309−0.2% | Reduced |
| Fisher Asset Management, LLC | 143,661 | $24.1M | 0.01% | +7,656+5.6% | Added |
| SEI Investments Co | 134,539 | $22.5M | 0.02% | −1,634−1.2% | Reduced |
| D. E. Shaw & Co., Inc. | 117,868 | $19.7M | 0.02% | −63,151−34.9% | Reduced |
| Ranger Investment Management, L.P. | 112,720 | $18.9M | 1.32% | −3,560−3.1% | Reduced |
| Rhumbline Advisers | 111,275 | $18.6M | 0.01% | −2,233−2.0% | Reduced |
| Cornerstone Capital, Inc. | 104,254 | $17.5M | 1.71% | −812−0.8% | Reduced |
| Comerica Bank | 101,486 | $17.0M | 0.06% | −17,120−14.4% | Reduced |
| UBS Asset Management Americas Inc | 98,023 | $16.4M | 0.00% | −47,016−32.4% | Reduced |
| Argent Capital Management LLC | 95,402 | $16.0M | 0.44% | +95,402 | New |
| Ariel Investments, LLC | 92,850 | $15.5M | 0.17% | −15,763−14.5% | Reduced |
| Principal Financial Group Inc | 92,429 | $15.5M | 0.01% | −2,469−2.6% | Reduced |
| Whittier Trust Co | 88,764 | $15.2M | 0.17% | +1,427+1.6% | Added |
| Swiss National Bank | 81,100 | $13.6M | 0.01% | +900+1.1% | Added |
| North Berkeley Wealth Management, LLC | 79,590 | $13.3M | 10.52% | 00.0% | Unchanged |
| Legal & General Group Plc | 77,760 | $13.0M | 0.00% | −6,148−7.3% | Reduced |
| Nuveen, LLC | 76,927 | $12.9M | 0.00% | −1,896−2.4% | Reduced |
| California Public Employees Retirement System | 74,056 | $12.4M | 0.01% | +888+1.2% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 73,918 | $12.4M | 0.03% | +22,398+43.5% | Added |
| River Road Asset Management, LLC | 73,650 | $12.3M | 0.14% | +68,985+1,478.8% | Added |
| DF Dent & Co Inc | 72,994 | $12.2M | 0.16% | −28,537−28.1% | Reduced |
| Cooke & Bieler LP | 72,916 | $12.2M | 0.13% | +72,916 | New |
| Invesco Ltd. | 71,131 | $11.9M | 0.00% | −8,606−10.8% | Reduced |
| Regions Financial Corp | 65,860 | $11.0M | 0.07% | +461+0.7% | Added |
| Kennedy Capital Management, Inc. | 65,044 | $10.9M | 0.24% | −2,935−4.3% | Reduced |
| Barclays PLC | 61,399 | $10.3M | 0.00% | −3,504−5.4% | Reduced |
| Potrero Capital Research LLC | 60,000 | $10.0M | 3.05% | +60,000 | New |
| State of Wisconsin Investment Board | 59,551 | $9.97M | 0.02% | +5,659+10.5% | Added |
| StonePine Asset Management Inc. | 56,810 | $9.51M | 0.06% | −1,190−2.1% | Reduced |
| Ceredex Value Advisors LLC | 56,500 | $9.46M | 0.22% | −24,875−30.6% | Reduced |
| Stifel Financial Corp | 54,685 | $9.16M | 0.01% | −747−1.3% | Reduced |
| New York State Teachers Retirement System | 54,580 | $9.14M | 0.02% | 00.0% | Unchanged |
| Interval Partners, LP | 53,848 | $9.02M | 0.19% | +28,706+114.2% | Added |
| Man Group plc | 52,951 | $8.87M | 0.02% | +1,463+2.8% | Added |
| Alliancebernstein L.P. | 51,688 | $8.66M | 0.00% | −3,451−6.3% | Reduced |
| Retirement Systems of Alabama | 50,318 | $8.43M | 0.03% | −806−1.6% | Reduced |
| Point72 Asset Management, L.P. | 49,583 | $8.30M | 0.02% | −163,953−76.8% | Reduced |
| Mutual of America Capital Management LLC | 49,559 | $8.30M | 0.09% | +1,634+3.4% | Added |
| Whittier Trust Co of Nevada Inc | 48,390 | $8.29M | 0.18% | +281+0.6% | Added |
| UBS Group AG | 49,111 | $8.22M | 0.00% | −64,303−56.7% | Reduced |
| Callan Family Office, LLC | 48,289 | $8.09M | 0.26% | −2,309−4.6% | Reduced |
| Jane Street Group, LLC | 46,866 | $7.85M | 0.01% | −3,602−7.1% | Reduced |
| Citigroup Inc | 44,415 | $7.44M | 0.01% | +16,881+61.3% | Added |
| Robeco Schweiz AG | 44,000 | $7.37M | 0.17% | 00.0% | Unchanged |
| RSM US Wealth Management LLC | 43,340 | $7.26M | 0.09% | +83+0.2% | Added |
| Voloridge Investment Management, LLC | 41,204 | $6.90M | 0.02% | −16,869−29.0% | Reduced |
| California State Teachers Retirement System | 39,558 | $6.62M | 0.01% | +543+1.4% | Added |
| DekaBank Deutsche Girozentrale | 39,391 | $6.57M | 0.01% | 00.0% | Unchanged |
| Castleark Management LLC | 39,112 | $6.55M | 0.18% | +39,112 | New |
| Citadel Advisors LLC | 38,277 | $6.41M | 0.01% | +200+0.5% | Added |
| Berkeley, Inc | 38,032 | $6.37M | 2.05% | −4,217−10.0% | Reduced |
| BNP Paribas Arbitrage, SA | 35,957 | $6.02M | 0.00% | +24,808+222.5% | Added |