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 2023Polen Capital ManagementBuy171,395299,494$79,662,406
Q2 2023ARK InvestBuy112123$33,925
Q2 2023Matrix Private Capital GroupSell-874,792$1,318,797
Q2 2023Sequoia Financial AdvisorsBuy55610,712$2,947,758
Q2 2023Matrix Advisors Value FundBuy1,40013,451$3,701,570
Q2 2023Polen Capital ManagementSell-8,813128,099$35,250,411
Q1 2023ARK InvestSell-2,34511$2,688
Q1 2023Torray FundSell-1,2651,436$350,858
Q1 2023Matrix Private Capital GroupSell-704,879$1,192,146
Q1 2023Sequoia Financial AdvisorsSell-1,80510,156$2,481,503
Q1 2023Matrix Advisors Value FundBuy57312,051$2,944,420
Q1 2023Polen Capital ManagementSell-2,400,600136,912$33,451,929
Q4 2022ARK InvestBuy1,7822,356$504,749
Q4 2022Torray FundBuy6902,701$578,662
Q4 2022Matrix Private Capital GroupSell-684,949$1,060,233
Q4 2022Matrix Advisors Value FundBuy3,15911,478$2,458,978
Q4 2022Sequoia Financial AdvisorsBuy2,88211,961$2,562,576
Q4 2022Polen Capital ManagementBuy1,947,0872,537,512$543,636,571
Q3 2022Matrix Private Capital GroupSell-2065,017$1,056
Q3 2022Matrix Advisors Value FundSell-1,5428,319$1,750
Q3 2022Sequoia Financial AdvisorsSell-9529,079$1,910
Q3 2022Polen Capital ManagementSell-573,479590,425$124,225
Q2 2022ARK InvestSell-3,107574$137
Q2 2022Renaissance Technologies LLCSell-11,1002,900$634
Q2 2022Matrix Private Capital GroupSell-55,223$1,142
Q2 2022Matrix Advisors Value FundBuy3,9519,861$2,157
Q2 2022Sequoia Financial AdvisorsSell-1,25410,031$2,195
Q2 2022Polen Capital ManagementBuy51,2911,163,904$254,546
Q1 2022Matrix Private Capital GroupSell-215,228$1,452
Q1 2022Matrix Advisors Value FundBuy2,2925,910$1,641

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.