BLACKROCK INC (BLK) Institutional Ownership Changes & 13F Activity

BLACKROCK INC (BLK). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Citadel Advisors Llc, State Street Corp, Assenagon Asset Management S.A., Groupe La Francaise, and Envestnet Asset Management Inc.

InstitutionTypeChange in sharesChange Position %SharesReported stock balancePortfolio quarterFiling date
Jaffetilchin Investment Partners, LlcBuy+182+16.4%1,293$1.24MQ2 2026Oct 20, 2026
Howard Financial Services, Ltd.Buy+6+2.3%262$251.93KQ2 2026Oct 14, 2026
Cim Investment Management IncSell-135-9.0%1,357$1.30MQ2 2026Sep 29, 2026
Envestnet Asset Management IncSell-10,333-1.9%534,831$514.27MQ2 2026Sep 23, 2026
Qrg Capital Management, Inc.Buy+2,037+16.3%14,532$13.97MQ2 2026Sep 23, 2026
Envestnet Portfolio Solutions, Inc.Buy+238+4.0%6,204$5.97MQ2 2026Sep 23, 2026
State Street CorpBuy+136,020+2.2%6,414,683$6.17BQ2 2026Sep 22, 2026
Andra Ap-FondenBuy+320—320$307.70KQ2 2026Sep 22, 2026
Security National Bank Of So DakBuy+25—25$24.04KQ2 2026Sep 18, 2026
Anchor Investment Management, LlcBuy+42+5.8%762$732.73KQ2 2026Sep 15, 2026
Manufacturers Life Insurance Company, TheSell-3,718-4.6%76,395$73.46MQ2 2026Sep 09, 2026
Integrated Wealth Concepts LlcBuy+549+15.6%4,076$3.92MQ2 2026Sep 09, 2026
Parkside Financial Bank & TrustBuy+58+0.0%246,534$237.06MQ2 2026Sep 04, 2026
Citadel Advisors LlcBuy+394,079+56.0%1,097,186$1.06BQ2 2026Sep 02, 2026
Allianz Asset Management GmbhSell-5,224-7.0%69,113$66.46MQ2 2026Sep 02, 2026
Brown, Lisle/Cummings, Inc.Sell-4-0.9%466$448.09KQ2 2026Sep 02, 2026
Cornerstone Financial Management LlcBuy+9+75.0%21$20.19KQ2 2026Aug 28, 2026
Corient Private Wealth LlcSell-5,996-5.8%96,887$93.16MQ2 2026Aug 27, 2026
Groupe La FrancaiseBuy+26,097—26,097$24.40MQ2 2026Aug 25, 2026
California State Teachers Retirement SystemBuy+1,414+0.6%222,361$213.81MQ2 2026Aug 24, 2026
Strategic Financial Services, Inc.Sell-71-2.2%3,093$2.97MQ2 2026Aug 24, 2026
Cyber Hornet Etfs LlcSell-3-0.8%394$378.86KQ2 2026Aug 24, 2026
Assenagon Asset Management S.A.Buy+57,143+48.9%174,033$167.34MQ2 2026Aug 21, 2026
West Michigan Advisors, LlcSell-109-25.8%313$300.97KQ2 2026Aug 21, 2026
Jackson Wealth Management, LlcSell-3,544-91.9%312$300.00KQ2 2026Aug 20, 2026
Rehmann Capital Advisory GroupSell-162-16.5%822$790.17KQ2 2026Aug 20, 2026
Harvest Fund Management Co., LtdSell-14-31.1%31$30.00KQ2 2026Aug 20, 2026
Stock Yards Bank & Trust CoSell-2,406-7.0%31,896$30.67MQ2 2026Aug 19, 2026
Mercer Global Advisors IncBuy+1,564+5.8%28,708$27.60MQ2 2026Aug 19, 2026
Kingsview Wealth Management, LlcBuy+127+1.4%9,112$8.76MQ2 2026Aug 19, 2026
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Frequently asked questions about BLK activity

  • Which institutional owners are buying BLK?

    Institutional owners buying BLK 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 BLK activity?

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

  • Is institutional interest in BLK increasing?

    Institutional interest in BLK 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.