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.

Explore more:

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q4 2025Matrix Private Capital GroupSell-704,740$2,243,581
Q4 2025Renaissance Technologies LLCBuy8,20011,800$5,584,940
Q4 2025Wedgewood PartnersBuy4,43112,019$5,688,621
Q4 2025Matrix Advisors Value FundBuy82924,187$11,447,926
Q4 2025Polen Capital ManagementBuy548,235776,086$367,321,352
Q3 2025ARK InvestBuy13723$338,557
Q3 2025Mairs & Power Growth FundBuy2,4264,172$222,495
Q3 2025Renaissance Technologies LLCBuy1,9003,600$1,686,276
Q3 2025Matrix Private Capital GroupSell-104,810$2,253,054
Q3 2025Sequoia Financial AdvisorsSell-35821,870$10,244,163
Q3 2025Matrix Advisors Value FundBuy36323,358$10,941,526
Q3 2025Polen Capital ManagementBuy2,242227,851$106,727,454
Q2 2025ARK InvestBuy658710$301,626
Q2 2025Renaissance Technologies LLCSell-15,8001,700$721,786
Q2 2025Matrix Private Capital GroupSell-1924,820$2,046,365
Q2 2025Sequoia Financial AdvisorsSell-1,27422,228$9,437,710
Q2 2025Matrix Advisors Value FundBuy2,14522,995$9,763,384
Q2 2025Polen Capital ManagementSell-159,913225,609$95,788,998
Q1 2025ARK InvestSell-32952$18,671
Q1 2025Matrix Private Capital GroupSell-305,012$1,809,951
Q1 2025Wedgewood PartnersBuy3,7147,588$3,032,317
Q1 2025Matrix Advisors Value FundBuy74320,850$7,529,030
Q1 2025Sequoia Financial AdvisorsBuy2,93223,502$8,486,277
Q1 2025Polen Capital ManagementSell-118,097385,522$139,208,065
Q4 2024ARK InvestBuy349381$152,866
Q4 2024Mairs & Power Growth FundSell-4,7991,746$701,159
Q4 2024Wedgewood PartnersBuy2,5353,874$1,555,721
Q4 2024Matrix Private Capital GroupSell-1095,042$2,024,836
Q4 2024Renaissance Technologies LLCBuy14,60017,500$7,027,650
Q4 2024Matrix Advisors Value FundBuy69520,107$8,074,618

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.