Who Owns BLACKROCK (IWM)? -- Institutional Holders (2026-06-30)

2,963 institutions reported holding $258.29B of BLACKROCK (IWM) in SEC 13F filings for 2026-06-30. Largest institutional holders: JANE STREET GROUP, LLC ($32.18B), SUSQUEHANNA INTERNATIONAL GROUP, LLP ($27.36B), BARCLAYS PLC ($15.50B), MILLENNIUM MANAGEMENT LLC ($14.51B), CITADEL ADVISORS LLC ($12.69B). Source: SEC Form 13F.

RankInstitutionValueSharesChange
1JANE STREET GROUP, LLC$32.18B107.1MTrimmed
2SUSQUEHANNA INTERNATIONAL GROUP, LLP$27.36B91.1MAdded
3BARCLAYS PLC$15.50B51.6MAdded
4MILLENNIUM MANAGEMENT LLC$14.51B48.3MTrimmed
5CITADEL ADVISORS LLC$12.69B42.2MAdded
6TUDOR INVESTMENT CORP ET AL$12.48B41.5MAdded
7BANK OF AMERICA CORP /DE/$10.69B35.6MTrimmed
8CITIGROUP INC$8.89B29.6MTrimmed
9WELLS FARGO & COMPANY/MN$8.40B28.0MAdded
10GOLDMAN SACHS GROUP INC$7.73B25.7MTrimmed
11Royal Bank of Canada$5.79B19.3MTrimmed
12MORGAN STANLEY$5.62B18.7MTrimmed
13BNP PARIBAS FINANCIAL MARKETS$5.50B7.2MAdded
14UBS Group AG$4.74B15.8MTrimmed
15BANK OF MONTREAL /CAN/$4.70B15.6MTrimmed
16BlackRock, Inc.$3.26B10.9MTrimmed
17TORONTO DOMINION BANK$2.79B9.2MTrimmed
18Empower Advisory Group, LLC$2.38B7.9MTrimmed
19Parallax Volatility Advisers, L.P.$1.99B6.6MTrimmed
20Treasurer of the State of North Carolina$1.78B5.9MAdded
21ARMISTICE CAPITAL, LLC$1.74B5.8MAdded
22HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND$1.69B5.6MAdded
23Squarepoint Ops LLC$1.64B5.5MAdded
24Balyasny Asset Management L.P.$1.52B5.1MTrimmed
25Walleye Trading LLC$1.45B4.8MTrimmed

Source: SEC Form 13F filings · as of 2026-06-30