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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; 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.

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: 488 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 2026488$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
Trexquant Investment LP4,442$743.9K0.01%+4,442New
Millennium Management LLC4,502$753.9K0.00%−21,795−82.9%Reduced
Commonwealth Equity Services, LLC4,528$758.0K0.00%+140+3.2%Added
US Bancorp4,630$775.3K0.00%+419+10.0%Added
Dynamic Technology Lab Private Ltd4,660$780.0K0.13%+10+0.2%Added
D.A. Davidson & Co.4,704$787.7K0.01%00.0%Unchanged
Summit Trail Advisors, LLC4,704$787.7K0.01%+3,013+178.2%Added
Illumine Investment Management, LLC4,737$793.2K0.57%−48−1.0%Reduced
O'Shaughnessy Asset Management, LLC4,832$809.2K0.00%+220+4.8%Added
Synovus Financial Corp4,859$813.7K0.01%−403−7.7%Reduced
Apollon Wealth Management, LLC4,865$814.7K0.01%−147−2.9%Reduced
Heartland Advisors Inc4,926$824.9K0.04%−39−0.8%Reduced
Curated Wealth Partners LLC4,938$826.9K0.10%−15−0.3%Reduced
Peterson Wealth Services1,361$832.2K0.21%−3,557−72.3%Reduced
Ipswich Investment Management Co., Inc.4,970$832.3K0.19%−7,025−58.6%Reduced
Quantum Private Wealth, LLC5,012$839.3K0.25%00.0%Unchanged
Xponance, Inc.5,038$843.7K0.01%−43−0.8%Reduced
Wesbanco Bank Inc5,044$844.7K0.02%+50+1.0%Added
CI Private Wealth, LLC5,083$851.2K0.00%+1,676+49.2%Added
Pensionmark Financial Group, LLC5,092$852.7K0.02%+75+1.5%Added
Diversified Trust Co5,138$860.4K0.02%−425−7.6%Reduced
ISAM Funds (UK) Ltd5,165$864.9K0.18%+2,458+90.8%Added
Integrated Wealth Concepts LLC5,320$890.9K0.01%+2,756+107.5%Added
Vancity Investment Management Ltd5,382$901.0K0.12%+89+1.7%Added
Pacer Advisors, Inc.5,526$925.4K0.00%+5,526New
Inspire Advisors, LLC5,598$937.5K0.09%+94+1.7%Added
TD Asset Management Inc5,798$970.9K0.00%+1,842+46.6%Added
Pictet Asset Management Holding SA6,025$1.01M0.00%−445−6.9%Reduced
Transatlantique Private Wealth LLC6,026$1.01M0.33%00.0%Unchanged
Bank of Montreal6,088$1.02M0.00%−557−8.4%Reduced
Farringdon Capital, Ltd.6,119$1.02M0.26%+4,038+194.0%Added
Brinker Capital Investments, LLC6,129$1.03M0.01%+35+0.6%Added
New Age Alpha Advisors, LLC6,171$1.03M0.04%−184−2.9%Reduced
Virtu Financial LLC6,235$1.04M0.06%−1,505−19.4%Reduced
Victory Capital Management Inc6,282$1.05M0.00%−2,098−25.0%Reduced
Sendero Wealth Management, LLC6,325$1.06M0.12%00.0%Unchanged
JustInvest LLC6,341$1.06M0.01%+807+14.6%Added
Numerai GP LLC6,378$1.07M0.15%−11,174−63.7%Reduced
Meridian Wealth Management, LLC6,484$1.09M0.04%−417−6.0%Reduced
BancorpSouth Bank6,626$1.11M0.07%+30+0.5%Added
Ensign Peak Advisors, Inc6,866$1.15M0.00%−6,200−47.5%Reduced
D.B. Root & Company, LLC6,949$1.16M0.30%−556−7.4%Reduced
Henshaw Capital LLC6,998$1.17M0.04%00.0%Unchanged
Impact Capital Partners LLC7,173$1.20M0.36%−208−2.8%Reduced
Verition Fund Management LLC7,277$1.22M0.01%−12,246−62.7%Reduced
Anchor Capital Advisors LLC7,327$1.23M0.04%+142+2.0%Added
Gotham Asset Management, LLC7,574$1.27M0.01%−206−2.6%Reduced
Mirador Capital Partners LP7,635$1.28M0.18%−356−4.5%Reduced
Hunter Perkins Capital Management, LLC7,643$1.28M0.28%+90+1.2%Added
Ameritas Investment Partners, Inc.7,801$1.31M0.04%−320−3.9%Reduced
Susquehanna International Group, LLP7,935$1.33M0.00%+204+2.6%Added
Franklin Resources Inc8,068$1.35M0.00%+1,027+14.6%Added
ExodusPoint Capital Management, LP8,158$1.37M0.02%+4,253+108.9%Added
We Are One Seven, LLC8,234$1.38M0.03%+87+1.1%Added
Advisor Group Holdings, Inc.7,377$1.40M0.00%−1,489−16.8%Reduced
Oregon Public Employees Retirement Fund8,348$1.40M0.02%−200−2.3%Reduced
Two Sigma Investments, LP8,423$1.41M0.00%−6,501−43.6%Reduced
New Mexico Educational Retirement Board8,700$1.46M0.05%00.0%Unchanged
KLP Kapitalforvaltning AS9,000$1.51M0.01%−700−7.2%Reduced
HSBC Holdings PLC9,115$1.52M0.00%+9,115New
Quest Partners LLC9,113$1.53M0.10%−2,533−21.7%Reduced
LPL Financial LLC9,208$1.54M0.00%−19−0.2%Reduced
Intech Investment Management LLC9,221$1.54M0.01%−3,094−25.1%Reduced
Northwestern Mutual Investment Management Company, LLC9,277$1.55M0.02%−61−0.7%Reduced
Thrivent Financial for Lutherans9,561$1.60M0.00%−288−2.9%Reduced
State of Michigan Retirement System9,927$1.66M0.01%−100−1.0%Reduced
Mariner, LLC9,942$1.66M0.00%+1,251+14.4%Added
Resources Investment Advisors, LLC.10,128$1.70M0.02%−73−0.7%Reduced
Tudor Investment Corp Et Al10,356$1.73M0.01%−223−2.1%Reduced
Oddo BHF Asset Management SAS10,564$1.77M0.07%−379−3.5%Reduced
Commonwealth of Pennsylvania Public School Empls Retrmt Sys10,681$1.79M0.01%−66−0.6%Reduced
Holocene Advisors, LP11,134$1.86M0.00%−14,988−57.4%Reduced
Sanctuary Advisors, LLC11,424$1.91M0.01%+106+0.9%Added
Creative Planning11,554$1.93M0.00%+498+4.5%Added
Louisiana State Employees Retirement System11,600$1.94M0.03%−200−1.7%Reduced
Handelsbanken Fonder AB11,637$1.95M0.01%00.0%Unchanged
SkyView Investment Advisors, LLC12,191$2.04M0.26%+249+2.1%Added
Wealth Enhancement Advisory Services, LLC12,005$2.04M0.00%−60−0.5%Reduced
Arizona State Retirement System12,377$2.07M0.01%+127+1.0%Added
Jackson Square Partners, LLC12,613$2.11M0.85%−3,560−22.0%Reduced
Teachers Retirement System of the State of Kentucky12,646$2.12M0.02%00.0%Unchanged
SeaBridge Investment Advisors LLC12,665$2.12M0.34%−624−4.7%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)12,844$2.15M0.00%+804+6.7%Added
Arrowstreet Capital, Limited Partnership12,908$2.16M0.00%+3,819+42.0%Added
Yousif Capital Management, LLC13,162$2.20M0.02%−1,058−7.4%Reduced
Point72 Hong Kong Ltd13,306$2.23M0.10%+7,665+135.9%Added
State Board of Administration of Florida Retirement System13,331$2.23M0.00%−173−1.3%Reduced
Oak Thistle LLC13,423$2.25M0.34%+13,423New
Dark Forest Capital Management LP13,544$2.27M0.09%−25,085−64.9%Reduced
HighTower Advisors, LLC13,714$2.30M0.00%−955−6.5%Reduced
State of New Jersey Common Pension Fund D14,004$2.35M0.01%+208+1.5%Added
Campbell & CO Investment Adviser LLC14,221$2.38M0.18%+10,990+340.1%Added
Advantage Alpha Capital Partners LP14,361$2.40M0.72%−9,779−40.5%Reduced
M&T Bank Corp15,163$2.54M0.01%−690−4.4%Reduced
Engineers Gate Manager LP15,443$2.59M0.03%+12,617+446.5%Added
Granite Investment Partners, LLC15,601$2.61M0.15%+271+1.8%Added
Atria Investments LLC15,619$2.62M0.03%−1,174−7.0%Reduced
Oppenheimer Asset Management Inc.16,820$2.82M0.03%−1,215−6.7%Reduced
Universal- Beteiligungs- und Servicegesellschaft mbH16,901$2.83M0.00%+2,577+18.0%Added
Schonfeld Strategic Advisors LLC17,001$2.85M0.02%+12,591+285.5%Added