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
Q1 2018Sequoia Financial AdvisorsBuy34,877$664
Q4 2017Polen Capital ManagementBuy70,380100,145$13,488
Q3 2017Polen Capital ManagementSell-206,53329,765$3,722
Q2 2017Sequoia Financial AdvisorsBuy884,874$580
Q2 2017Polen Capital ManagementBuy107,120236,298$28,124
Q1 2017Mairs & Power Growth FundSell-5006,545$745
Q1 2017Sequoia Financial AdvisorsBuy364,786$545
Q1 2017Polen Capital ManagementSell-129,740129,178$14,701
Q4 2016Sequoia Financial AdvisorsSell-634,750$498
Q4 2016Polen Capital ManagementBuy139,202258,918$27,160
Q3 2016Mairs & Power Growth FundSell-3567,045$734
Q3 2016Sequoia Financial AdvisorsBuy634,813$501
Q3 2016Polen Capital ManagementBuy1,018119,716$12,471
Q2 2016Mairs & Power Growth FundBuy3567,401$743
Q2 2016Sequoia Financial AdvisorsBuy4,1784,750$477
Q2 2016Polen Capital ManagementBuy111,841118,698$11,913
Q1 2016Polen Capital ManagementSell-50,9296,857$684
Q1 2016Sequoia Financial AdvisorsSell-9,237572$5,736
Q4 2015Mairs & Power Growth FundBuy7,0457,045$701
Q4 2015Sequoia Financial AdvisorsBuy1629,809$938
Q4 2015Polen Capital ManagementBuy52,71857,786$5,749
Q3 2015Polen Capital ManagementSell-5,4165,068$471
Q2 2015Sequoia Financial AdvisorsSell-1629,647$955
Q2 2015Polen Capital ManagementSell-50,90210,484$1,038
Q1 2015Polen Capital ManagementSell-28,20861,386$6,072
Q4 2014Polen Capital ManagementBuy73,85289,594$8,566
Q3 2014Polen Capital ManagementBuy2,18515,742$1,442
Q3 2014Sequoia Financial AdvisorsBuy4439,809$899
Q2 2014Polen Capital ManagementBuy7,73613,557$1,233
Q2 2014Sequoia Financial AdvisorsSell-819,366$852

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.