ISHARES RUSSELL 2000 ETF (IWM) Stock Institutional Trading Activity


ISHARES RUSSELL 2000 ETF (IWM) 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 Durable Capital Partners, Matrix Advisors Value Fund, Matrix Private Capital Group, Sequoia Financial Advisors, and Renaissance Technologies LLC. 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
Q2 2019Sequoia Financial AdvisorsBuy23731,438$4,889
Q1 2019Matrix Advisors Value FundBuy1,8364,525$693
Q1 2019Sequoia Financial AdvisorsSell-1,36631,201$4,777
Q4 2018Matrix Advisors Value FundBuy462,689$360
Q4 2018Sequoia Financial AdvisorsSell-5,51032,567$4,361
Q3 2018Matrix Advisors Value FundSell-152,643$446
Q3 2018Renaissance Technologies LLCSell-16,80021,100$3,556
Q3 2018Sequoia Financial AdvisorsBuy3,51038,077$6,418
Q2 2018Matrix Advisors Value FundBuy342,658$435
Q2 2018Sequoia Financial AdvisorsBuy4,06334,567$5,661
Q1 2018Matrix Advisors Value FundSell-162,624$398
Q1 2018Engaged CapitalSell-4,20021,000$3,188
Q1 2018Sequoia Financial AdvisorsBuy4,83130,504$4,631
Q1 2018Renaissance Technologies LLCBuy37,90037,900$5,754
Q4 2017Ariel Appreciation FundSell-24,60013,700$2,089
Q4 2017Matrix Advisors Value FundSell-772,640$402
Q4 2017Engaged CapitalBuy19,40025,200$3,842
Q4 2017Sequoia Financial AdvisorsBuy1,61525,673$3,914
Q3 2017Mairs & Power Growth FundSell-1823,475$515
Q3 2017Ariel Appreciation FundSell-6,10038,300$5,675
Q3 2017Matrix Advisors Value FundSell-82,717$403
Q3 2017Engaged CapitalSell-2005,800$859
Q3 2017Vulcan Value PartnersBuy11,30011,300$1,674
Q3 2017Sequoia Financial AdvisorsSell-6,32524,058$3,565
Q2 2017Ariel Appreciation FundBuy35,05944,400$6,257
Q2 2017Engaged CapitalSell-10,1726,000$846
Q2 2017Sequoia Financial AdvisorsBuy2,61430,383$4,282
Q1 2017Mairs & Power Growth FundBuy3373,657$503
Q1 2017Matrix Advisors Value FundSell-102,725$375
Q1 2017Engaged CapitalSell-14,75016,172$2,223

Frequently asked questions about IWM activity

  • Which institutional owners are buying IWM?

    Institutional owners buying IWM 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 IWM activity?

    "Buy" means an investor increased their reported position in IWM compared to the prior reporting period. This reflects growing exposure to ISHARES RUSSELL 2000 ETF (IWM) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in IWM increasing?

    Institutional interest in IWM 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.