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Simpson Manufacturing Co., Inc. hedge fund holdings

SSDNYSE
$172.77-0.79 (-0.46%)as of Oct 5, 2026

Every quarter, large institutional investment managers with over $100M in U.S.-listed assets under management disclose their U.S. equity holdings through 13F filings. Read together, those filings show which businesses professional capital is moving into and out of.

Price vs funds buying and selling

SSD · close · 13FReported Aug 14, 2026

Price vs funds buying and selling data

Showing the 1Y range: Oct 6, 2025 to Oct 5, 2026. Price (+1.8%). 0 fund reports plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
DateCategoryPersonRoleActionAmountChange in holding
Funds buying · new + increased
Funds selling · reduced + closed
Net buyers vs sellers
Buying = new + increased; selling = reduced + closed. Counts exclude position changes under 5% of the fund's holding last quarter.

Price and fund activity data

Quarterly 13F fund buying and selling activity
QuarterFunds buyingFunds sellingBoughtSoldFilersReported
Q2 2025126140$380M$379M403Aug 14, 2025
Q3 2025126127$362M$440M412Nov 14, 2025
Q4 2025121144$595M$614M414Feb 14, 2026
Q1 2026120120$248M$327M435May 15, 2026
Q2 2026154129$640M$618M453Aug 14, 2026

Quarterly action breakdown

Q2 2026
453 filers
New position
60
$129M+615K sh
Increased
94
$511M+2.44M sh
Reduced
96
-$521M-2.49M sh
Out / sold
33
-$96.6M-462K sh
Last 4 quarters · free
Reported Aug 14, 2026
FundActionChange in dollarValue% of portfolioReported
ValueAct Holdings, L.P.Reduce 40.59%-$119M$174M3.09%Aug 14, 2026
Massachusetts Financial Services CoAdded 212.28%+$78.8M$116M0.04%Aug 3, 2026
Kayne Anderson Rudnick Investment Management LLCReduce 8.17%-$66.4M$747M2.32%Aug 13, 2026
Conestoga Capital Advisors, LLCReduce 37.66%-$47.7M$79M1.72%Jul 24, 2026
Nomura Asset Management International Inc.New Buy+$39M$39M0.06%Aug 14, 2026
Bessemer Group IncReduce 72.58%-$27.6M$10.4M0.01%Aug 12, 2026
Adage Capital Partners GP, L.L.C.Sell 100%-$27M$00.00%Aug 14, 2026
BNP PARIBAS ASSET MANAGEMENT Holding S.A.Added 18506.21%+$26.8M$27M0.03%Aug 13, 2026
Select Equity Group, L.P.Sell 100%-$21M$00.00%Aug 14, 2026
T. Rowe Price Investment Management, Inc.Reduce 74.04%-$20M$7.02M0.00%Aug 14, 2026
Capital World InvestorsAdded 54.48%+$19.7M$55.9M0.01%Aug 12, 2026
Fivespan Partners, LPNew Buy+$18.8M$18.8M4.44%Aug 13, 2026
Cooke & Bieler LPReduce 50.31%-$14.3M$14.1M0.16%Jul 30, 2026
Riverbridge Partners LLCReduce 31.27%-$11.8M$26M0.73%Jul 13, 2026
Public Sector Pension Investment BoardNew Buy+$8.77M$8.77M0.02%Aug 13, 2026
Champlain Investment Partners, LLCReduce 15.62%-$8.32M$45M1.16%Aug 12, 2026
Bridgewater Associates, LPNew Buy+$8.12M$8.12M0.03%Aug 14, 2026
SummitTX Capital, L.P.New Buy+$7.93M$7.93M0.20%Aug 14, 2026
Cornerstone Capital, Inc.Added 35.39%+$7.83M$29.9M2.68%Aug 3, 2026
Treasurer of the State of North CarolinaAdded 55.02%+$7.7M$21.7M0.06%Aug 14, 2026
Castleark Management LLCSell 100%-$6.59M$00.00%Aug 14, 2026
Brasada Capital Management, LPSell 100%-$5.03M$00.00%Aug 17, 2026
Robeco Schweiz AGAdded 44.32%+$4.08M$13.3M0.21%Jul 28, 2026
Voloridge Investment Management, LLCReduce 49.36%-$3.96M$4.06M0.02%Aug 14, 2026
Whittier Trust CoReduce 20.38%-$3.93M$15.3M0.15%Jul 28, 2026
Schroder Investment Management GroupReduce 6.69%-$3.46M$48.3M0.03%Aug 13, 2026
Campbell & CO Investment Adviser LLCNew Buy+$3.45M$3.45M0.18%Aug 3, 2026
Schwerin Boyle Capital Management IncNew Buy+$3.43M$3.43M0.42%Aug 7, 2026
Numerai GP LLCNew Buy+$3.21M$3.21M0.26%Aug 14, 2026
Capital International InvestorsReduce 2.19%-$3.05M$136M0.03%Aug 12, 2026
Port Capital LLCReduce 3.35%-$2.87M$82.6M3.37%Aug 14, 2026
Edgestream Partners, L.P.Sell 100%-$2.24M$00.00%Aug 11, 2026
Segall Bryant & Hamill, LLCAdded 6.61%+$2.09M$33.7M0.40%Aug 12, 2026
Whittier Trust Co of Nevada IncReduce 19.51%-$1.9M$7.84M0.15%Jul 28, 2026
Retirement Systems of AlabamaReduce 16.29%-$1.73M$8.91M0.03%Jul 28, 2026
Ariel Investments, LLCAdded 8.54%+$1.64M$20.8M0.21%Aug 14, 2026
Snyder Capital Management L PReduce 2.46%-$1.59M$63.1M1.09%Aug 13, 2026
North Berkeley Wealth Management, LLCReduce 8.98%-$1.5M$15.2M6.13%Jul 28, 2026
Ensign Peak Advisors, IncAdded 288.00%+$1.4M$1.88M0.00%Aug 14, 2026
Rafferty Asset Management, LLCAdded 20.20%+$1.39M$8.28M0.02%Aug 14, 2026
Belpointe Asset Management LLCNew Buy+$1.2M$1.2M0.04%Jul 31, 2026
Fortis Capital Advisors, LLCNew Buy+$1.2M$1.2M0.13%Jul 31, 2026
Gotham Asset Management, LLCAdded 4.33%+$1.14M$27.5M0.06%Aug 14, 2026
Mitsubishi UFJ Trust & Banking CorpReduce 21.16%-$1.06M$3.94M0.01%Aug 6, 2026
Diversified Management IncReduce 79.56%-$1.04M$266K0.06%Jul 10, 2026
LRT Capital Management, LLCSell 100%-$989K$00.00%Aug 14, 2026
Regions Financial CorpReduce 7.17%-$897K$11.6M0.07%Aug 10, 2026
Quantinno Capital Management LPAdded 0.48%+$861K$180M0.22%Aug 13, 2026
Illinois Municipal Retirement FundAdded 72.40%+$813K$1.94M0.02%Aug 12, 2026
Illumine Investment Management, LLCReduce 100.00%-$806K$1.02M0.67%Jul 29, 2026
Dynasty Wealth Management, LLCNew Buy+$774K$774K0.01%Aug 13, 2026
Fisher Asset Management, LLCSell 100%-$759K$00.00%Aug 4, 2026
Lecap Asset Management LtdSell 100%-$732K$00.00%Jul 30, 2026
Inspire Advisors, LLCReduce 65.93%-$713K$369K0.03%Aug 13, 2026
VELA Investment Management, LLCAdded 20.38%+$672K$3.97M0.87%Aug 27, 2026
Tidal Investments LLCAdded 112.86%+$671K$1.27M0.00%Aug 13, 2026
Ranger Investment Management, L.P.Reduce 1.99%-$644K$31.8M2.01%Aug 13, 2026
Ceredex Value Advisors LLCReduce 6.13%-$618K$9.46M0.27%Aug 11, 2026
Maren Capital LLCAdded 0.52%+$552K$107M4.98%Aug 13, 2026
MQS Management LLCSell 100%-$548K$00.00%Aug 7, 2026
Jain Global LLCNew Buy+$525K$525K0.00%Aug 14, 2026
Machina Capital S.A.S.New Buy+$463K$463K0.07%Aug 10, 2026
Kennedy Capital Management LLCReduce 2.85%-$458K$15.6M0.28%Aug 14, 2026
Exchange Traded Concepts, LLCAdded 303.19%+$437K$582K0.00%Aug 11, 2026
Ethic Inc.New Buy+$435K$435K0.01%Jul 29, 2026
KLP Kapitalforvaltning AsAdded 21.98%+$419K$2.32M0.01%Aug 12, 2026
Vise Technologies, Inc.Added 89.71%+$396K$837K0.01%Aug 11, 2026
Caprock Group, LLCSell 100%-$373K$00.00%Jul 27, 2026
Axxcess Wealth Management, LLCNew Buy+$364K$364K0.01%Jul 28, 2026
VANGUARD ASSET MANAGEMENT, LtdAdded 4.48%+$360K$8.39M0.01%Aug 13, 2026
Livforsakringsbolaget Skandia, OmsesidigtAdded 6.59%+$356K$5.76M0.18%Aug 18, 2026
Park Avenue Securities LLCNew Buy+$349K$349K0.00%Jul 20, 2026
Caxton Associates LLPNew Buy+$347K$347K0.01%Aug 14, 2026
Susquehanna Fundamental Investments, LLCAdded 22.14%+$334K$1.84M0.03%Aug 14, 2026
Agf Management LtdReduce 8.88%-$328K$3.37M0.01%Aug 10, 2026
Aviva PLCAdded 65.11%+$327K$829K0.00%Aug 13, 2026
Inceptionr LLCAdded 48.23%+$322K$989K0.24%Aug 11, 2026
PineStone Asset Management Inc.Reduce 42.74%-$314K$421K0.00%Jul 13, 2026
Harbor Capital Advisors, Inc.Reduce 14.68%-$298K$1.73M0.12%Aug 7, 2026
Handelsbanken Fonder ABAdded 12.03%+$293K$2.73M0.01%Jul 10, 2026
Frec Markets, Inc.New Buy+$283K$283K0.03%Aug 13, 2026
First Trust Advisors LPAdded 0.23%+$277K$122M0.07%Aug 11, 2026
Axq Capital, LPSell 100%-$276K$00.00%Aug 6, 2026
Baird Financial Group, Inc.Reduce 6.50%-$273K$3.93M0.01%Aug 12, 2026
Fidelis Capital Partners, LLCNew Buy+$267K$267K0.02%Aug 13, 2026
Bridgefront Capital, LLCNew Buy+$264K$264K0.07%Aug 14, 2026
Evergreen Capital Management LLCAdded 71.18%+$263K$633K0.01%Jul 23, 2026
Americana Partners, LLCNew Buy+$243K$243K0.01%Aug 5, 2026
Payne Capital Management, LLCNew Buy+$241K$241K0.06%Aug 17, 2026
Curi Capital, LLCNew Buy+$238K$238K0.00%Aug 14, 2026
Praxis Investment Management IncNew Buy+$236K$236K0.01%Aug 4, 2026
111 CapitalNew Buy+$235K$235K0.04%Aug 5, 2026
Bayforest Capital LtdReduce 93.87%-$221K$14.4K0.01%Aug 5, 2026
Old National BancorpNew Buy+$220K$220K0.00%Jul 15, 2026
Laird Norton Wetherby Trust Company, LLCNew Buy+$216K$216K0.00%Aug 14, 2026
Pure Financial Advisors, LLCNew Buy+$211K$211K0.00%Aug 17, 2026
Planned Solutions, Inc.New Buy+$207K$207K0.06%Jul 13, 2026
AlphaGrep UK LtdSell 100%-$207K$00.00%Aug 14, 2026
Riverwater Partners LLCNew Buy+$203K$203K0.06%Aug 14, 2026
Meiji Yasuda Asset Management Co Ltd.New Buy+$200K$200K0.01%Aug 13, 2026

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