ISHARES RUSSELL 1000 GROWTH (IWF) Stock Institutional Trading Activity


ISHARES RUSSELL 1000 GROWTH (IWF) 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 Polen Capital Management, Renaissance Technologies LLC, Wedgewood Partners, Matrix Advisors Value Fund, and Matrix Private Capital Group. 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
Q3 2020Polen Capital ManagementSell-43,21324,725$5,363
Q2 2020Torray FundSell-252,461$472
Q2 2020Sequoia Financial AdvisorsSell-3,5490$811
Q2 2020Polen Capital ManagementSell-344,52867,938$13,041
Q1 2020Torray FundSell-2162,486$375
Q1 2020Sequoia Financial AdvisorsSell-393,549$535
Q1 2020Matrix Private Capital GroupBuy3935,462$823
Q1 2020Renaissance Technologies LLCBuy6,6527,952$1,198
Q1 2020Polen Capital ManagementBuy374,633412,466$62,138
Q4 2019Torray FundBuy1582,702$475
Q4 2019Renaissance Technologies LLCSell-8,0001,300$229
Q4 2019Sequoia Financial AdvisorsSell-4353,588$631
Q4 2019Matrix Private Capital GroupBuy5,0695,069$892
Q4 2019Polen Capital ManagementSell-7,71637,833$6,656
Q3 2019Sequoia Financial AdvisorsBuy2,5764,023$642
Q3 2019Polen Capital ManagementSell-5,88345,549$7,271
Q2 2019Torray FundBuy1442,544$400
Q2 2019Sequoia Financial AdvisorsSell-4,2991,447$228
Q2 2019Polen Capital ManagementBuy22,36151,432$8,092
Q1 2019Torray FundSell-15,4642,400$363
Q1 2019Sequoia Financial AdvisorsBuy8475,746$870
Q1 2019Polen Capital ManagementSell-184,38329,071$4,400
Q4 2018Torray FundBuy17,86417,864$2,339
Q4 2018Sequoia Financial AdvisorsBuy394,899$641
Q4 2018Renaissance Technologies LLCBuy9,3009,300$1,217
Q4 2018Polen Capital ManagementBuy184,799213,454$27,943
Q3 2018Polen Capital ManagementBuy4,21728,655$4,470
Q2 2018Sequoia Financial AdvisorsSell-174,860$699
Q2 2018Polen Capital ManagementSell-18,33224,438$3,514
Q1 2018Polen Capital ManagementSell-57,37542,770$5,821

Frequently asked questions about IWF activity

  • Which institutional owners are buying IWF?

    Institutional owners buying IWF 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 IWF activity?

    "Buy" means an investor increased their reported position in IWF compared to the prior reporting period. This reflects growing exposure to ISHARES RUSSELL 1000 GROWTH (IWF) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in IWF increasing?

    Institutional interest in IWF 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.