Simpson Manufacturing Co.SSD
13F holders, Q3 2025 (September 30)437holders +4
53new positions
44sold out
10famous investors
$167.89avg. 13F price*
At the end of Q3 2025, 437 institutions reported holding Simpson Manufacturing Co. Inc. (SSD) in their 13F filings, up 4 from Q2 2025. 53 opened new positions and 44 sold out. The largest holders were Kayne Anderson Rudnick Investment Management LLC ($725.1M), Vanguard Group Inc. ($683.7M) and BlackRock, Inc. ($670.4M). 10 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 Steve Cohen (0.0% of Point72 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 Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 53 | $78.1M |
| Exits | 44 | $72.5M |
All 13F filers, Q2 2025 → Q3 2025: 2,089,084 shares bought and 3,078,495 shares sold, net −989,411 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 437 holders
| Kayne Anderson Rudnick Investment Management LLC | 1.77% | Reduce -4.8% | 4,329,709 | $725.1M |
| Vanguard Group Inc. | 0.01% | Reduce -1.0% | 4,082,677 | $683.7M |
| BlackRock, Inc. | 0.01% | Add +2.0% | 4,003,297 | $670.4M |
| FMR LLC | 0.02% | Add +33.8% | 2,114,032 | $354.0M |
| Morgan Stanley | 0.02% | Reduce -2.9% | 1,531,426 | $256.5M |
| State Street Corp. | 0.01% | Add +0.1% | 1,251,004 | $209.5M |
| ValueAct Capital | 3.41% | Reduce -14.1% | 1,207,942 | $202.3M |
| Baker Avenue Asset Management, LP | 4.37% | Reduce -0.1% | 1,090,929 | $182.7M |
| Fiduciary Management Inc. | 1.72% | Reduce -0.6% | 1,017,566 | $170.4M |
| Conestoga Capital Advisors, LLC | 2.37% | Reduce -20.0% | 882,361 | $147.8M |
| Dimensional Fund Advisors LP | 0.03% | Reduce -1.9% | 846,526 | $141.8M |
| Neuberger Berman Group LLC | 0.10% | Add +17.1% | 823,729 | $137.9M |
| JPMorgan Chase & Co. | 0.01% | Reduce -42.8% | 810,940 | $135.8M |
| Burgundy Asset Management Ltd. | 1.24% | Reduce -0.6% | 689,900 | $131.9M |
| Geode Capital Management, LLC | 0.01% | Add +1.8% | 758,453 | $127.0M |
| Quantinno Capital Management LP | 0.26% | Add +0.4% | 577,757 | $96.8M |
| Northern Trust Corp. | 0.01% | Add +1.4% | 555,211 | $93.0M |
| First Trust Advisors LP | 0.07% | Add +5.2% | 541,149 | $90.6M |
| Charles Schwab Investment Management Inc. | 0.01% | Add +0.5% | 486,355 | $81.4M |
| Champlain Investment Partners, LLC | 0.56% | Reduce -10.9% | 447,314 | $74.9M |
| Wells Fargo & Company | 0.01% | Reduce -4.1% | 432,294 | $72.4M |
| Maren Capital LLC | 3.94% | Add +10.9% | 423,089 | $70.9M |
| Port Capital LLC | 2.83% | Add +0.9% | 406,210 | $68.0M |
| T. Rowe Price Associates Inc. | 0.01% | Add +0.2% | 393,382 | $65.9M |
| Raymond James Financial Inc. | 0.02% | Reduce -2.1% | 388,381 | $65.0M |
| Capital International Investors | 0.01% | No change | 342,325 | $57.3M |
| Ameriprise Financial Inc. | 0.01% | Reduce -23.1% | 337,901 | $56.6M |
| Allspring Global Investments Holdings, LLC | 0.09% | Reduce -5.0% | 330,947 | $55.4M |
| Bank of New York Mellon Corp | 0.01% | Reduce -3.1% | 319,615 | $53.5M |
| Goldman Sachs Group Inc. | 0.01% | Add +15.8% | 315,062 | $52.8M |
| Federated Hermes, Inc. | 0.09% | Add +1.4% | 310,027 | $51.9M |
| Bank of America Corp. | 0.00% | Add +4.2% | 305,665 | $51.2M |
| Riverbridge Partners LLC | 0.74% | Reduce -7.0% | 261,977 | $43.9M |
| Royce & Associates LP | 0.44% | Add +28.6% | 260,628 | $43.6M |
| Disciplined Growth Investors Inc. | 0.78% | Reduce -3.6% | 256,037 | $42.9M |
| GW&K Investment Management, LLC | 0.34% | Reduce -4.2% | 231,487 | $38.8M |
| Snyder Capital Management L P | 0.71% | Reduce -1.6% | 223,246 | $37.4M |
| Royal Bank of Canada | 0.01% | Reduce -19.8% | 221,904 | $37.2M |
| Manufacturers Life Insurance Company, The | 0.03% | Reduce -38.9% | 209,835 | $35.1M |
| Rivulet Capital, LLC | 4.01% | Reduce -22.5% | 204,300 | $34.2M |
| Brown Advisory Inc. | 0.04% | Add +25.5% | 196,225 | $32.9M |
| T. Rowe Price Investment Management, Inc. | 0.02% | Add +57.6% | 185,653 | $31.1M |
| State Farm Mutual Automobile Insurance Co. | 0.03% | No change | 181,873 | $30.5M |
| Adage Capital Partners Gp, L.L.C. | 0.05% | Add +133.3% | 175,000 | $29.3M |
| Capital World Investors | 0.00% | Add +101.7% | 172,813 | $28.9M |
| Bessemer Group Inc. | 0.04% | Add +21.2% | 164,219 | $27.5M |
| Envestnet Asset Management Inc. | 0.01% | Reduce -10.3% | 151,237 | $25.3M |
| Schroder Investment Management Group | 0.02% | Reduce -6.7% | 150,533 | $25.2M |
| Segall Bryant & Hamill, LLC | 0.32% | Reduce -0.2% | 144,142 | $24.1M |
| Fisher Asset Management | 0.01% | Add +5.6% | 143,661 | $24.1M |
| Sei Investments Co. | 0.02% | Reduce -1.2% | 134,539 | $22.5M |
| D. E. Shaw & Co. | 0.02% | Reduce -34.9% | 117,868 | $19.7M |
| Ranger Investment Management, L.P. | 1.32% | Reduce -3.1% | 112,720 | $18.9M |
| Rhumbline Advisers | 0.01% | Reduce -2.0% | 111,275 | $18.6M |
| Cornerstone Capital, Inc. | 1.71% | Reduce -0.8% | 104,254 | $17.5M |
| Comerica Bank | 0.06% | Reduce -14.4% | 101,486 | $17.0M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Reduce -32.4% | 98,023 | $16.4M |
| Argent Capital Management LLC | 0.44% | New | 95,402 | $16.0M |
| Ariel Investments | 0.17% | Reduce -14.5% | 92,850 | $15.5M |
| Principal Financial Group Inc. | 0.01% | Reduce -2.6% | 92,429 | $15.5M |
| Whittier Trust Co. | 0.17% | Add +1.6% | 88,764 | $15.2M |
| Swiss National Bank | 0.01% | Add +1.1% | 81,100 | $13.6M |
| North Berkeley Wealth Management, LLC | 10.52% | No change | 79,590 | $13.3M |
| Legal & General Group Plc | 0.00% | Reduce -7.3% | 77,760 | $13.0M |
| Nuveen, LLC | 0.00% | Reduce -2.4% | 76,927 | $12.9M |
| California Public Employees Retirement System | 0.01% | Add +1.2% | 74,056 | $12.4M |
| Mitsubishi UFJ Trust & Banking Corp | 0.03% | Add +43.5% | 73,918 | $12.4M |
| River Road Asset Management, LLC | 0.14% | Add +1478.8% | 73,650 | $12.3M |
| DF Dent & Co. Inc. | 0.16% | Reduce -28.1% | 72,994 | $12.2M |
| Cooke & Bieler LP | 0.13% | New | 72,916 | $12.2M |
| Invesco Ltd. | 0.00% | Reduce -10.8% | 71,131 | $11.9M |
| Regions Financial Corp. | 0.07% | Add +0.7% | 65,860 | $11.0M |
| Kennedy Capital Management LLC | 0.24% | Reduce -4.3% | 65,044 | $10.9M |
| Barclays PLC | 0.00% | Reduce -5.4% | 61,399 | $10.3M |
| Potrero Capital Research LLC | 3.05% | New | 60,000 | $10.0M |
| State of Wisconsin Investment Board | 0.02% | Add +10.5% | 59,551 | $10.0M |
| PineStone Asset Management Inc. | 0.06% | Reduce -2.0% | 56,810 | $9.5M |
| Ceredex Value Advisors LLC | 0.22% | Reduce -30.6% | 56,500 | $9.5M |
| Stifel Financial Corp. | 0.01% | Reduce -1.4% | 54,685 | $9.2M |
| New York State Teachers Retirement System | 0.02% | No change | 54,580 | $9.1M |
| Interval Partners, LP | 0.19% | Add +114.2% | 53,848 | $9.0M |
| Man Group plc | 0.02% | Add +2.8% | 52,951 | $8.9M |
| Alliancebernstein L.P. | 0.00% | Reduce -6.3% | 51,688 | $8.7M |
| Retirement Systems of Alabama | 0.03% | Reduce -1.6% | 50,318 | $8.4M |
| Point72 Asset Management | 0.02% | Reduce -76.8% | 49,583 | $8.3M |
| Mutual of America Capital Management LLC | 0.09% | Add +3.4% | 49,559 | $8.3M |
| Whittier Trust Co. of Nevada Inc. | 0.18% | Add +0.6% | 48,390 | $8.3M |
| UBS Group AG | 0.00% | Reduce -56.7% | 49,111 | $8.2M |
| Callan Family Office, LLC | 0.26% | Reduce -4.6% | 48,289 | $8.1M |
| Jane Street Group, LLC | 0.01% | Reduce -7.1% | 46,866 | $7.8M |
| Citigroup Inc. | 0.01% | Add +61.3% | 44,415 | $7.4M |
| Robeco Schweiz AG | 0.17% | No change | 44,000 | $7.4M |
| Choreo, LLC | 0.09% | Add +0.2% | 43,340 | $7.3M |
| Voloridge Investment Management, LLC | 0.02% | Reduce -29.1% | 41,204 | $6.9M |
| California State Teachers Retirement System | 0.01% | Add +1.4% | 39,558 | $6.6M |
| DekaBank Deutsche Girozentrale | 0.01% | No change | 39,391 | $6.6M |
| Castleark Management LLC | 0.18% | New | 39,112 | $6.5M |
| Citadel Advisors | 0.01% | Add +0.5% | 38,277 | $6.4M |
| Berkeley, Inc | 2.05% | Reduce -10.0% | 38,032 | $6.4M |
| BNP Paribas Financial Markets | 0.00% | Add +222.5% | 35,957 | $6.0M |
"% of holder's portfolio" is SSD's weight in each manager's 13F, not the share of Simpson Manufacturing Co. Inc. the manager owns.