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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, 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.

Institutional holdersQ3 2025: 437 institutions
Q1 2021: 302 institutionsQ2 2021: 288 institutionsQ3 2021: 293 institutionsQ4 2021: 302 institutionsQ1 2022: 310 institutionsQ2 2022: 301 institutionsQ3 2022: 298 institutionsQ4 2022: 304 institutionsQ1 2023: 320 institutionsQ2 2023: 326 institutionsQ3 2023: 362 institutionsQ4 2023: 383 institutionsQ1 2024: 393 institutionsQ2 2024: 397 institutionsQ3 2024: 415 institutionsQ4 2024: 422 institutionsQ1 2025: 427 institutionsQ2 2025: 433 institutionsQ3 2025: 437 institutionsQ4 2025: 439 institutionsQ1 2026: 463 institutionsQ2 2026: 489 institutions
Value heldQ3 2025: $6.93B
Q1 2021: $3.99BQ2 2021: $4.25BQ3 2021: $4.14BQ4 2021: $5.51BQ1 2022: $4.22BQ2 2022: $3.91BQ3 2022: $3.02BQ4 2022: $3.39BQ1 2023: $4.25BQ2 2023: $5.31BQ3 2023: $5.79BQ4 2023: $7.86BQ1 2024: $8.21BQ2 2024: $6.96BQ3 2024: $7.79BQ4 2024: $6.87BQ1 2025: $6.55BQ2 2025: $6.65BQ3 2025: $6.93BQ4 2025: $6.78BQ1 2026: $7.02BQ2 2026: $8.59B
Institutions holding SSD and their total value by quarter
QuarterHoldersValue
Q2 2026489$8.59B
Q1 2026463$7.02B
Q4 2025439$6.78B
Q3 2025437$6.93B
Q2 2025433$6.65B
Q1 2025427$6.55B
Q4 2024422$6.87B
Q3 2024415$7.79B
Q2 2024397$6.96B
Q1 2024393$8.21B
Q4 2023383$7.86B
Q3 2023362$5.79B
Q2 2023326$5.31B
Q1 2023320$4.25B
Q4 2022304$3.39B
Q3 2022298$3.02B
Q2 2022301$3.91B
Q1 2022310$4.22B
Q4 2021302$5.51B
Q3 2021293$4.14B
Q2 2021288$4.25B
Q1 2021302$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.

Institutions holding SSD in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Wellington Management Group LLP35,900$6.01M0.00%−29,159−44.8%Reduced
Van Eck Associates Corp34,275$5.74M0.01%+751+2.2%Added
Great West Life Assurance Co33,947$5.69M0.01%+326+1.0%Added
Rafferty Asset Management, LLC33,651$5.64M0.02%+18,186+117.6%Added
EULAV Asset Management33,000$5.53M0.13%+33,000New
AQR Capital Management LLC32,696$5.46M0.00%+25,862+378.4%Added
Brasada Capital Management, LP31,868$5.39M0.92%+31,868New
Captrust Financial Advisors30,962$5.18M0.01%−2,240−6.7%Reduced
Moran Wealth Management, LLC30,916$5.18M0.16%+168+0.5%Added
CBOE Vest Financial, LLC30,182$5.05M0.07%+5,356+21.6%Added
NewEdge Wealth, LLC29,280$4.97M0.07%+92+0.3%Added
Vestmark Advisory Solutions, Inc.29,220$4.89M0.09%+111+0.4%Added
American Century Companies Inc28,916$4.84M0.00%+437+1.5%Added
Alps Advisors Inc28,843$4.83M0.03%+8,706+43.2%Added
Teacher Retirement System of Texas28,645$4.80M0.02%−7,256−20.2%Reduced
Russell Investments Group, Ltd.27,031$4.53M0.01%+3,358+14.2%Added
LRT Capital Management, LLC26,529$4.44M2.94%−17,639−39.9%Reduced
Wiley Bros.-Aintree Capital, LLC25,973$4.36M0.03%+1,044+4.2%Added
Public Employees Retirement System of Ohio25,293$4.24M0.01%+89+0.4%Added
Twinbeech Capital LP25,128$4.21M0.17%+25,128New
Rockefeller Capital Management L.P.24,627$4.12M0.01%−1,188−4.6%Reduced
Natixis Advisors, L.P.24,558$4.11M0.01%+2,367+10.7%Added
Baird Financial Group, Inc.24,328$4.07M0.01%−2,812−10.4%Reduced
Cerity Partners LLC22,874$3.83M0.01%+2,704+13.4%Added
MetLife Investment Management21,558$3.61M0.02%−1,123−5.0%Reduced
Pathstone Holdings, LLC20,407$3.42M0.01%+1,019+5.3%Added
Y-Intercept (Hong Kong) Ltd20,081$3.36M0.08%+20,081New
New York State Common Retirement Fund19,962$3.34M0.00%+1,500+8.1%Added
Magnetar Financial LLC19,676$3.29M0.02%+19,676New
State of Tennessee, Treasury Department19,344$3.24M0.01%+1,963+11.3%Added
Amalgamated Bank19,211$3.22M0.02%−114−0.6%Reduced
Treasurer of the State of North Carolina18,830$3.15M0.01%−736−3.8%Reduced
Police & Firemen's Retirement System of New Jersey18,564$3.11M0.02%+2,651+16.7%Added
South Dakota Investment Council18,436$3.09M0.06%+400+2.2%Added
Janus Henderson Group PLC18,295$3.07M0.00%00.0%Unchanged
Mercer Global Advisors Inc17,517$2.93M0.00%+1,581+9.9%Added
Truist Financial Corp17,210$2.88M0.00%+134+0.8%Added
Schonfeld Strategic Advisors LLC17,001$2.85M0.02%+12,591+285.5%Added
Universal- Beteiligungs- und Servicegesellschaft mbH16,901$2.83M0.00%+2,577+18.0%Added
Oppenheimer Asset Management Inc.16,820$2.82M0.03%−1,215−6.7%Reduced
Atria Investments LLC15,619$2.62M0.03%−1,174−7.0%Reduced
Granite Investment Partners, LLC15,601$2.61M0.15%+271+1.8%Added
Engineers Gate Manager LP15,443$2.59M0.03%+12,617+446.5%Added
M&T Bank Corp15,163$2.54M0.01%−690−4.4%Reduced
Advantage Alpha Capital Partners LP14,361$2.40M0.72%−9,779−40.5%Reduced
Campbell & CO Investment Adviser LLC14,221$2.38M0.18%+10,990+340.1%Added
State of New Jersey Common Pension Fund D14,004$2.35M0.01%+208+1.5%Added
HighTower Advisors, LLC13,714$2.30M0.00%−955−6.5%Reduced
Dark Forest Capital Management LP13,544$2.27M0.09%−25,085−64.9%Reduced
Oak Thistle LLC13,423$2.25M0.34%+13,423New
State Board of Administration of Florida Retirement System13,331$2.23M0.00%−173−1.3%Reduced
Point72 Hong Kong Ltd13,306$2.23M0.10%+7,665+135.9%Added
Yousif Capital Management, LLC13,162$2.20M0.02%−1,058−7.4%Reduced
Arrowstreet Capital, Limited Partnership12,908$2.16M0.00%+3,819+42.0%Added
Zurcher Kantonalbank (Zurich Cantonalbank)12,844$2.15M0.00%+804+6.7%Added
SeaBridge Investment Advisors LLC12,665$2.12M0.34%−624−4.7%Reduced
Teachers Retirement System of the State of Kentucky12,646$2.12M0.02%00.0%Unchanged
Jackson Square Partners, LLC12,613$2.11M0.85%−3,560−22.0%Reduced
Arizona State Retirement System12,377$2.07M0.01%+127+1.0%Added
Wealth Enhancement Advisory Services, LLC12,005$2.04M0.00%−60−0.5%Reduced
SkyView Investment Advisors, LLC12,191$2.04M0.26%+249+2.1%Added
Handelsbanken Fonder AB11,637$1.95M0.01%00.0%Unchanged
Louisiana State Employees Retirement System11,600$1.94M0.03%−200−1.7%Reduced
Creative Planning11,554$1.93M0.00%+498+4.5%Added
Sanctuary Advisors, LLC11,424$1.91M0.01%+106+0.9%Added
Holocene Advisors, LP11,134$1.86M0.00%−14,988−57.4%Reduced
Commonwealth of Pennsylvania Public School Empls Retrmt Sys10,681$1.79M0.01%−66−0.6%Reduced
Oddo BHF Asset Management SAS10,564$1.77M0.07%−379−3.5%Reduced
Tudor Investment Corp Et Al10,356$1.73M0.01%−223−2.1%Reduced
Resources Investment Advisors, LLC.10,128$1.70M0.02%−73−0.7%Reduced
Mariner, LLC9,942$1.66M0.00%+1,251+14.4%Added
State of Michigan Retirement System9,927$1.66M0.01%−100−1.0%Reduced
Thrivent Financial for Lutherans9,561$1.60M0.00%−288−2.9%Reduced
Northwestern Mutual Investment Management Company, LLC9,277$1.55M0.02%−61−0.7%Reduced
Intech Investment Management LLC9,221$1.54M0.01%−3,094−25.1%Reduced
LPL Financial LLC9,208$1.54M0.00%−19−0.2%Reduced
Quest Partners LLC9,113$1.53M0.10%−2,533−21.7%Reduced
HSBC Holdings PLC9,115$1.52M0.00%+9,115New
KLP Kapitalforvaltning AS9,000$1.51M0.01%−700−7.2%Reduced
New Mexico Educational Retirement Board8,700$1.46M0.05%00.0%Unchanged
Two Sigma Investments, LP8,423$1.41M0.00%−6,501−43.6%Reduced
Oregon Public Employees Retirement Fund8,348$1.40M0.02%−200−2.3%Reduced
Advisor Group Holdings, Inc.7,377$1.40M0.00%−1,489−16.8%Reduced
We Are One Seven, LLC8,234$1.38M0.03%+87+1.1%Added
ExodusPoint Capital Management, LP8,158$1.37M0.02%+4,253+108.9%Added
Franklin Resources Inc8,068$1.35M0.00%+1,027+14.6%Added
Susquehanna International Group, LLP7,935$1.33M0.00%+204+2.6%Added
Ameritas Investment Partners, Inc.7,801$1.31M0.04%−320−3.9%Reduced
Hunter Perkins Capital Management, LLC7,643$1.28M0.28%+90+1.2%Added
Mirador Capital Partners LP7,635$1.28M0.18%−356−4.5%Reduced
Gotham Asset Management, LLC7,574$1.27M0.01%−206−2.6%Reduced
Anchor Capital Advisors LLC7,327$1.23M0.04%+142+2.0%Added
Verition Fund Management LLC7,277$1.22M0.01%−12,246−62.7%Reduced
Impact Capital Partners LLC7,173$1.20M0.36%−208−2.8%Reduced
Henshaw Capital LLC6,998$1.17M0.04%00.0%Unchanged
D.B. Root & Company, LLC6,949$1.16M0.30%−556−7.4%Reduced
Ensign Peak Advisors, Inc6,866$1.15M0.00%−6,200−47.5%Reduced
BancorpSouth Bank6,626$1.11M0.07%+30+0.5%Added
Meridian Wealth Management, LLC6,484$1.09M0.04%−417−6.0%Reduced
Numerai GP LLC6,378$1.07M0.15%−11,174−63.7%Reduced