SIMPSON MANUFACTURING CO INC (SSD) Stock Institutional Trading Activity


SIMPSON MANUFACTURING CO INC (SSD) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include ValueAct Holdings, Renaissance Technologies LLC, Disciplined Growth Investors, Ariel Appreciation Fund, and Parnassus Endeavor Fund. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.

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Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q4 2025Renaissance Technologies LLCBuy9,30021,000$3,390,870
Q4 2025Ariel Appreciation FundSell-1,46191,389$14,756,583
Q4 2025ValueAct HoldingsBuy264,2001,472,142$237,706,769
Q4 2025Disciplined Growth InvestorsBuy4,193260,230$42,019,338
Q3 2025Ariel Appreciation FundSell-15,76392,850$15,548,661
Q3 2025ValueAct HoldingsSell-198,1631,207,942$202,281,967
Q3 2025Disciplined Growth InvestorsSell-9,567256,037$42,875,956
Q2 2025Renaissance Technologies LLCSell-18,40011,700$1,817,127
Q2 2025Ariel Appreciation FundSell-2,883108,613$16,868,685
Q2 2025ValueAct HoldingsBuy1,406,1051,406,105$218,382,168
Q2 2025Disciplined Growth InvestorsSell-1,331265,604$41,250,957
Q1 2025Renaissance Technologies LLCBuy16,40030,100$4,728,108
Q1 2025Ariel Appreciation FundBuy3,668111,496$17,513,791
Q1 2025Disciplined Growth InvestorsBuy266,935266,935$41,930,150
Q4 2024Ariel Appreciation FundSell-2,463107,828$17,881,117
Q3 2024Ariel Appreciation FundSell-47,129110,291$21,095,360
Q2 2024Ariel Appreciation FundSell-181,863157,420$26,529,993
Q2 2024Renaissance Technologies LLCBuy1,10013,700$2,308,861
Q1 2024Ariel Appreciation FundSell-58,027339,283$69,614,086
Q1 2024Renaissance Technologies LLCSell-36,00012,600$2,585
Q4 2023Ariel Appreciation FundSell-26,588397,310$78,659,434
Q4 2023Renaissance Technologies LLCBuy19,40048,600$9,622
Q3 2023Ariel Appreciation FundSell-63,174423,898$63,504,160
Q3 2023Renaissance Technologies LLCSell-6,10029,200$4,374
Q2 2023Ariel Appreciation FundSell-142,347487,072$67,459,473
Q2 2023Renaissance Technologies LLCSell-78,70035,300$4,889
Q1 2023Ariel Appreciation FundBuy3,595629,419$69,009,499
Q1 2023Renaissance Technologies LLCSell-27,800114,000$12,499
Q4 2022Ariel Appreciation FundSell-15,384625,824$55,485,556
Q4 2022Renaissance Technologies LLCSell-62,400141,800$12,572

Frequently asked questions about SSD activity

  • Which institutional owners are buying SSD?

    Institutional owners buying SSD include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in SSD activity?

    "Buy" means an investor increased their reported position in SSD compared to the prior reporting period. This reflects growing exposure to SIMPSON MANUFACTURING CO INC (SSD) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in SSD increasing?

    Institutional interest in SSD can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.