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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
JustInvest LLC6,341$1.06M0.01%+807+14.6%Added
Sendero Wealth Management, LLC6,325$1.06M0.12%00.0%Unchanged
Victory Capital Management Inc6,282$1.05M0.00%−2,098−25.0%Reduced
Virtu Financial LLC6,235$1.04M0.06%−1,505−19.4%Reduced
New Age Alpha Advisors, LLC6,171$1.03M0.04%−184−2.9%Reduced
Brinker Capital Investments, LLC6,129$1.03M0.01%+35+0.6%Added
Farringdon Capital, Ltd.6,119$1.02M0.26%+4,038+194.0%Added
Bank of Montreal6,088$1.02M0.00%−557−8.4%Reduced
Transatlantique Private Wealth LLC6,026$1.01M0.33%00.0%Unchanged
Pictet Asset Management Holding SA6,025$1.01M0.00%−445−6.9%Reduced
TD Asset Management Inc5,798$970.9K0.00%+1,842+46.6%Added
Inspire Advisors, LLC5,598$937.5K0.09%+94+1.7%Added
Pacer Advisors, Inc.5,526$925.4K0.00%+5,526New
Vancity Investment Management Ltd5,382$901.0K0.12%+89+1.7%Added
Integrated Wealth Concepts LLC5,320$890.9K0.01%+2,756+107.5%Added
ISAM Funds (UK) Ltd5,165$864.9K0.18%+2,458+90.8%Added
Diversified Trust Co5,138$860.4K0.02%−425−7.6%Reduced
Pensionmark Financial Group, LLC5,092$852.7K0.02%+75+1.5%Added
CI Private Wealth, LLC5,083$851.2K0.00%+1,676+49.2%Added
Wesbanco Bank Inc5,044$844.7K0.02%+50+1.0%Added
Xponance, Inc.5,038$843.7K0.01%−43−0.8%Reduced
Quantum Private Wealth, LLC5,012$839.3K0.25%00.0%Unchanged
Ipswich Investment Management Co., Inc.4,970$832.3K0.19%−7,025−58.6%Reduced
Peterson Wealth Services1,361$832.2K0.21%−3,557−72.3%Reduced
Curated Wealth Partners LLC4,938$826.9K0.10%−15−0.3%Reduced
Heartland Advisors Inc4,926$824.9K0.04%−39−0.8%Reduced
Apollon Wealth Management, LLC4,865$814.7K0.01%−147−2.9%Reduced
Synovus Financial Corp4,859$813.7K0.01%−403−7.7%Reduced
O'Shaughnessy Asset Management, LLC4,832$809.2K0.00%+220+4.8%Added
Illumine Investment Management, LLC4,737$793.2K0.57%−48−1.0%Reduced
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
Dynamic Technology Lab Private Ltd4,660$780.0K0.13%+10+0.2%Added
US Bancorp4,630$775.3K0.00%+419+10.0%Added
Commonwealth Equity Services, LLC4,528$758.0K0.00%+140+3.2%Added
Millennium Management LLC4,502$753.9K0.00%−21,795−82.9%Reduced
Trexquant Investment LP4,442$743.9K0.01%+4,442New
Prudential Financial Inc4,439$743.4K0.00%+104+2.4%Added
State of Alaska, Department of Revenue4,439$743.0K0.01%−260−5.5%Reduced
New York Life Investment Management LLC4,259$713.2K0.01%−122−2.8%Reduced
QRG Capital Management, Inc.4,216$705.9K0.01%+354+9.2%Added
Stansberry Asset Management, LLC4,172$698.6K0.07%−111−2.6%Reduced
Voya Investment Management LLC4,161$696.8K0.00%−2,244−35.0%Reduced
Deutsche Bank AG4,136$692.6K0.00%+71+1.7%Added
Glenmede Investment Management, LP4,088$684.6K0.00%−1,374−25.2%Reduced
Medallion Wealth Advisors, LLC4,000$669.8K0.24%00.0%Unchanged
Summit Wealth & Retirement Planning, Inc.3,857$645.9K0.16%00.0%Unchanged
GTS Securities LLC3,726$624.0K0.02%−702−15.9%Reduced
Mirae Asset Global ETFs Holdings Ltd.3,476$582.1K0.00%−139−3.8%Reduced
Two Sigma Securities, LLC3,470$581.1K0.09%+1,661+91.8%Added
Hardy Reed LLC3,469$580.9K0.04%−190−5.2%Reduced
1832 Asset Management L.P.3,439$575.9K0.00%−100−2.8%Reduced
Cetera Investment Advisers3,423$573.2K0.00%+1,523+80.2%Added
Bahl & Gaynor Inc3,383$566.5K0.00%00.0%Unchanged
Public Employees Retirement Association of Colorado3,241$543.0K0.00%−1,579−32.8%Reduced
Securian Asset Management, Inc3,162$529.5K0.01%00.0%Unchanged
Aigen Investment Management, LP3,074$514.8K0.08%−349−10.2%Reduced
Walleye Trading LLC3,067$513.6K0.01%+3,067New
Sepio Capital, LP3,025$506.6K0.03%00.0%Unchanged
PFW Advisors LLC2,968$497.0K0.15%00.0%Unchanged
Benjamin Edwards Inc2,943$492.8K0.01%+1,186+67.5%Added
Genesee Capital Advisors, LLC2,934$491.3K0.21%+5+0.2%Added
Steward Partners Investment Advisory, LLC2,908$487.0K0.00%+178+6.5%Added
State of Wyoming2,895$484.8K0.06%+118+4.2%Added
Janney Montgomery Scott LLC2,841$476.0K0.00%−122−4.1%Reduced
Parkside Financial Bank & Trust2,837$475.1K0.04%+58+2.1%Added
Federation des caisses Desjardins du Quebec2,786$466.5K0.00%+2,786New
Trust Point Inc.2,624$439.4K0.04%+474+22.0%Added
Cynosure Management, LLC2,622$439.1K0.05%00.0%Unchanged
Bayesian Capital Management, LP2,600$435.4K0.09%+2,600New
Marshall Wace, LLP2,578$431.7K0.00%−776−23.1%Reduced
Crossmark Global Holdings, Inc.2,567$429.9K0.01%−214−7.7%Reduced
RMR Capital Management, LLC2,565$429.5K0.30%−320−11.1%Reduced
Aureus Asset Management, LLC2,561$428.9K0.03%00.0%Unchanged
SG Americas Securities, LLC2,536$425.0K0.00%−1,517−37.4%Reduced
CIBC Private Wealth Group, LLC2,521$422.2K0.00%−14−0.6%Reduced
Envestnet Portfolio Solutions, Inc.2,492$417.3K0.00%−120−4.6%Reduced
Sterling Capital Management LLC2,382$398.9K0.01%−229−8.8%Reduced
Quantbot Technologies LP2,367$396.4K0.01%−2,081−46.8%Reduced
Boothbay Fund Management, LLC2,364$395.9K0.01%+2,364New
Balboa Wealth Partners2,363$395.7K0.07%−128−5.1%Reduced
Aristides Capital LLC2,241$375.3K0.11%00.0%Unchanged
Utah Retirement Systems2,214$370.8K0.00%00.0%Unchanged
Ethic Inc.2,160$361.7K0.01%+2,160New
CAPROCK Group, Inc.1,879$359.2K0.01%+1,879New
Bayforest Capital Ltd2,131$356.9K0.17%+1,781+508.9%Added
Petros Family Wealth, LLC2,126$356.0K0.30%−221−9.4%Reduced
Riverwater Partners LLC2,126$356.0K0.15%00.0%Unchanged
XTX Topco Ltd2,059$344.8K0.02%+2,059New
Park Avenue Securities LLC2,050$343.0K0.00%+31+1.5%Added
Advisors Asset Management, Inc.2,046$342.6K0.01%−45−2.2%Reduced
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main2,000$334.9K0.00%00.0%Unchanged
Quadrant Capital Group LLC1,998$334.6K0.01%+1+0.1%Added
Maryland State Retirement & Pension System1,981$331.7K0.01%00.0%Unchanged
Swiss Life Asset Management Ltd1,961$328.4K0.00%+1,961New
Toroso Investments, LLC1,948$326.2K0.00%−172−8.1%Reduced
Argent Trust Co1,911$320.0K0.01%00.0%Unchanged
Yorktown Management & Research Co Inc1,900$318.2K0.25%00.0%Unchanged
MML Investors Services, LLC1,860$311.4K0.00%−181−8.9%Reduced
IFC Advisors LLC1,846$309.1K0.06%−42−2.2%Reduced