Simpson Manufacturing Co.SSD
13F holders, Q4 2025 (December 31)At the end of Q4 2025, 439 institutions reported holding Simpson Manufacturing Co. Inc. (SSD) in their 13F filings, up 2 from Q3 2025. 42 opened new positions and 51 sold out. The largest holders were Vanguard Group Inc. ($651.8M), Kayne Anderson Rudnick Investment Management LLC ($648.6M) and BlackRock, Inc. ($646.9M). 9 famous investors held it, including Mason Morfit (3.4% of ValueAct Capital's portfolio), John W. Rogers Jr. (0.2% of Ariel Investments's portfolio) and Joel Greenblatt (0.0% of Gotham Asset Management's portfolio).
- Company
- Simpson Manufacturing Co. Inc.
- CUSIP
- 829073105
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 42 | $61.1M |
| Exits | 51 | $106.2M |
All 13F filers, Q3 2025 → Q4 2025: 3,828,108 shares bought and 3,003,763 shares sold, net +824,345 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 439 holders
| Vanguard Group Inc. | 0.01% | Reduce -1.1% | 4,036,612 | $651.8M |
| Kayne Anderson Rudnick Investment Management LLC | 1.74% | Reduce -7.2% | 4,016,822 | $648.6M |
| BlackRock, Inc. | 0.01% | Add +0.1% | 4,006,600 | $646.9M |
| FMR LLC | 0.02% | Add +1.4% | 2,142,547 | $346.0M |
| Morgan Stanley | 0.01% | Reduce -1.7% | 1,505,388 | $243.1M |
| ValueAct Capital | 3.38% | Add +21.9% | 1,472,142 | $237.7M |
| State Street Corp. | 0.01% | Reduce -0.5% | 1,244,366 | $200.9M |
| Baker Avenue Asset Management, LP | 3.50% | Reduce -13.7% | 941,123 | $152.0M |
| Dimensional Fund Advisors LP | 0.03% | Add +3.8% | 878,270 | $141.8M |
| Quantinno Capital Management LP | 0.28% | Add +47.8% | 853,750 | $137.9M |
| Conestoga Capital Advisors, LLC | 2.31% | Reduce -3.7% | 849,350 | $137.1M |
| Geode Capital Management, LLC | 0.01% | Add +0.9% | 765,322 | $123.6M |
| JPMorgan Chase & Co. | 0.01% | Reduce -7.6% | 749,648 | $121.0M |
| Neuberger Berman Group LLC | 0.09% | Reduce -9.8% | 743,163 | $120.0M |
| Bank of Montreal | 0.05% | Add +11044.7% | 678,490 | $109.6M |
| Capital International Investors | 0.02% | Add +93.7% | 663,195 | $107.1M |
| Northern Trust Corp. | 0.01% | Add +2.0% | 566,138 | $91.4M |
| First Trust Advisors LP | 0.06% | Add +1.2% | 547,603 | $88.4M |
| Norges Bank | 0.01% | — | 527,280 | $85.1M |
| Maren Capital LLC | 4.44% | Add +21.0% | 511,756 | $82.6M |
| Goldman Sachs Group Inc. | 0.01% | Add +56.9% | 494,394 | $79.8M |
| Charles Schwab Investment Management Inc. | 0.01% | Reduce -0.1% | 485,766 | $78.4M |
| Fiduciary Management Inc. | 0.81% | Reduce -55.3% | 455,195 | $73.5M |
| Wells Fargo & Company | 0.01% | Reduce -4.8% | 411,643 | $66.5M |
| Port Capital LLC | 2.85% | Add +0.6% | 408,705 | $66.0M |
| Victory Capital Management Inc. | 0.04% | Add +6234.7% | 397,947 | $64.3M |
| Raymond James Financial Inc. | 0.02% | Reduce -4.6% | 370,547 | $60.2M |
| Allspring Global Investments Holdings, LLC | 0.09% | Reduce -1.9% | 324,491 | $53.5M |
| Brown Advisory Inc. | 0.07% | Add +67.0% | 327,606 | $52.9M |
| Champlain Investment Partners, LLC | 0.52% | Reduce -29.4% | 315,990 | $51.0M |
| Snyder Capital Management L P | 0.90% | Add +34.6% | 300,565 | $48.5M |
| Bank of New York Mellon Corp | 0.01% | Reduce -8.8% | 291,490 | $47.1M |
| Royce & Associates LP | 0.48% | Add +11.7% | 291,046 | $47.0M |
| Bank of America Corp. | 0.00% | Reduce -8.4% | 280,042 | $45.2M |
| Ameriprise Financial Inc. | 0.01% | Reduce -18.9% | 273,864 | $44.2M |
| T. Rowe Price Associates Inc. | 0.00% | Reduce -32.0% | 267,445 | $43.2M |
| Disciplined Growth Investors Inc. | 0.80% | Add +1.6% | 260,230 | $42.0M |
| Federated Hermes, Inc. | 0.07% | Reduce -17.2% | 256,755 | $41.5M |
| Riverbridge Partners LLC | 0.68% | Reduce -14.4% | 224,136 | $36.2M |
| GW&K Investment Management, LLC | 0.31% | Reduce -5.3% | 219,270 | $35.4M |
| Manufacturers Life Insurance Company, The | 0.03% | Reduce -3.1% | 203,355 | $32.8M |
| Royal Bank of Canada | 0.01% | Reduce -11.5% | 196,303 | $31.7M |
| State Farm Mutual Automobile Insurance Co. | 0.02% | No change | 181,873 | $29.4M |
| Bessemer Group Inc. | 0.04% | Add +8.3% | 177,814 | $28.7M |
| Capital World Investors | 0.00% | No change | 172,813 | $27.9M |
| Schroder Investment Management Group | 0.02% | Add +4.9% | 157,968 | $26.0M |
| Select Equity Group, L.P. | 0.12% | New | 159,549 | $25.8M |
| Massachusetts Financial Services Co. | 0.01% | Add +8834.9% | 158,595 | $25.6M |
| AQR Capital Management | 0.01% | Add +384.1% | 158,280 | $25.6M |
| Ranger Investment Management, L.P. | 1.73% | Add +38.5% | 156,106 | $25.2M |
| Segall Bryant & Hamill, LLC | 0.34% | Add +7.2% | 154,525 | $25.0M |
| Sei Investments Co. | 0.02% | Add +14.7% | 154,278 | $24.9M |
| Adage Capital Partners Gp, L.L.C. | 0.04% | Reduce -14.3% | 150,000 | $24.2M |
| River Road Asset Management, LLC | 0.24% | Add +87.5% | 138,126 | $22.3M |
| Cooke & Bieler LP | 0.22% | Add +77.9% | 129,685 | $20.9M |
| T. Rowe Price Investment Management, Inc. | 0.01% | Reduce -30.3% | 129,328 | $20.9M |
| Envestnet Asset Management Inc. | 0.01% | Reduce -16.0% | 127,101 | $20.5M |
| Comerica Bank | 0.08% | Add +21.6% | 123,375 | $19.9M |
| Rhumbline Advisers | 0.01% | Reduce -2.8% | 108,205 | $17.5M |
| Cornerstone Capital, Inc. | 1.68% | Add +1.4% | 105,709 | $17.1M |
| D. E. Shaw & Co. | 0.01% | Reduce -14.5% | 100,741 | $16.3M |
| Clearbridge Investments, LLC | 0.01% | New | 93,625 | $15.1M |
| Whittier Trust Co. | 0.16% | Reduce -0.1% | 88,652 | $15.1M |
| Ariel Investments | 0.16% | Reduce -1.6% | 91,389 | $14.8M |
| Principal Financial Group Inc. | 0.01% | Reduce -3.5% | 89,220 | $14.4M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Reduce -10.4% | 87,828 | $14.2M |
| Swiss National Bank | 0.01% | Add +1.2% | 82,100 | $13.3M |
| North Berkeley Wealth Management, LLC | 7.58% | No change | 79,590 | $12.9M |
| Kennedy Capital Management LLC | 0.27% | Add +20.1% | 78,115 | $12.6M |
| Nuveen, LLC | 0.00% | Reduce -1.9% | 75,440 | $12.2M |
| Man Group plc | 0.02% | Add +41.9% | 75,154 | $12.1M |
| California Public Employees Retirement System | 0.01% | Reduce -0.2% | 73,924 | $11.9M |
| Voloridge Investment Management, LLC | 0.04% | Add +77.3% | 73,072 | $11.8M |
| DF Dent & Co. Inc. | 0.17% | Reduce -1.4% | 71,952 | $11.6M |
| Invesco Ltd. | 0.00% | Reduce -0.2% | 70,957 | $11.5M |
| Jane Street Group, LLC | 0.01% | Add +41.4% | 66,254 | $10.7M |
| Regions Financial Corp. | 0.07% | Reduce -2.2% | 64,391 | $10.4M |
| State of Wisconsin Investment Board | 0.02% | Add +6.2% | 63,242 | $10.2M |
| SG Americas Securities, LLC | 0.01% | Add +2359.2% | 62,364 | $10.1M |
| Legal & General Group Plc | 0.00% | Reduce -20.1% | 62,094 | $10.0M |
| Treasurer of the State of North Carolina | 0.03% | Add +228.8% | 61,922 | $10.0M |
| Argent Capital Management LLC | 0.28% | Reduce -36.4% | 60,676 | $9.8M |
| Ceredex Value Advisors LLC | 0.29% | Add +7.1% | 60,500 | $9.8M |
| New York State Teachers Retirement System | 0.02% | Add +3.5% | 56,512 | $9.1M |
| Citigroup Inc. | 0.01% | Add +19.7% | 53,159 | $8.6M |
| Alliancebernstein L.P. | 0.00% | Add +1.5% | 52,478 | $8.5M |
| Whittier Trust Co. of Nevada Inc. | 0.17% | Add +1.4% | 49,062 | $8.4M |
| Stifel Financial Corp. | 0.01% | Reduce -5.5% | 51,682 | $8.3M |
| Callan Family Office, LLC | 0.18% | Add +6.8% | 51,578 | $8.3M |
| Barclays PLC | 0.00% | Reduce -18.8% | 49,864 | $8.1M |
| Retirement Systems of Alabama | 0.03% | Reduce -1.1% | 49,758 | $8.0M |
| PineStone Asset Management Inc. | 0.05% | Reduce -12.7% | 49,610 | $8.0M |
| DekaBank Deutsche Girozentrale | 0.01% | No change | 39,391 | $7.5M |
| Mutual of America Capital Management LLC | 0.08% | Reduce -6.9% | 46,130 | $7.4M |
| Choreo, LLC | 0.09% | Add +0.4% | 43,503 | $7.2M |
| EULAV Asset Management | 0.19% | Add +33.9% | 44,200 | $7.1M |
| Robeco Schweiz AG | 0.16% | No change | 44,000 | $7.1M |
| UBS Group AG | 0.00% | Reduce -10.6% | 43,911 | $7.1M |
| Mitsubishi UFJ Trust & Banking Corp | 0.02% | Reduce -41.2% | 43,435 | $7.0M |
| Castleark Management LLC | 0.19% | Add +3.4% | 40,432 | $6.5M |
"% of holder's portfolio" is SSD's weight in each manager's 13F, not the share of Simpson Manufacturing Co. Inc. the manager owns.