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.

Explore more:

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q3 2022Ariel Appreciation FundBuy1,272641,208$50,271
Q3 2022Renaissance Technologies LLCBuy61,300204,200$16,009
Q2 2022Ariel Appreciation FundBuy2,699639,936$64,384
Q2 2022Renaissance Technologies LLCBuy34,400142,900$14,377
Q1 2022Ariel Appreciation FundSell-40,003637,237$69,485
Q1 2022Renaissance Technologies LLCBuy65,900108,500$11,831
Q4 2021Ariel Appreciation FundSell-35,704677,240$94,184
Q3 2021Ariel Appreciation FundBuy16,702712,944$76,264
Q3 2021Renaissance Technologies LLCSell-38,10042,600$4,557
Q2 2021Ariel Appreciation FundBuy15,315696,242$76,893
Q2 2021Renaissance Technologies LLCSell-11,40080,700$8,913
Q1 2021Ariel Appreciation FundBuy56,020680,927$70,633
Q1 2021Renaissance Technologies LLCSell-56,90092,100$9,554
Q4 2020Renaissance Technologies LLCBuy5,700149,000$13,924
Q4 2020Ariel Appreciation FundBuy44,906624,907$58,398
Q3 2020Ariel Appreciation FundSell-133,991580,001$56,353
Q3 2020Renaissance Technologies LLCSell-101,100143,300$13,923
Q2 2020Ariel Appreciation FundSell-208,715713,992$60,232
Q2 2020Renaissance Technologies LLCSell-110,600244,400$20,618
Q1 2020Ariel Appreciation FundSell-368,535922,707$57,189
Q1 2020Renaissance Technologies LLCBuy246,600355,000$22,003
Q4 2019Ariel Appreciation FundSell-392,3661,291,242$103,596
Q4 2019Renaissance Technologies LLCBuy96,900108,400$8,697
Q3 2019Ariel Appreciation FundSell-10,6201,683,608$116,792
Q2 2019Ariel Appreciation FundSell-130,3951,694,228$112,598
Q2 2019Renaissance Technologies LLCSell-77,90011,500$764
Q1 2019Ariel Appreciation FundSell-9,0431,824,623$108,145
Q1 2019Renaissance Technologies LLCSell-209,70089,400$5,299
Q4 2018Ariel Appreciation FundBuy59,1081,833,666$99,256
Q4 2018Renaissance Technologies LLCBuy203,100299,100$16,190

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.