13F Insight
DOSSIER · 13F Holders · Q1 2026ETF · Exchange Traded FundDefensive growthQuality
IWM

ISHARES RUSSELL 2000 ETF

2,849 institutions still hold ISHARES RUSSELL 2000 ETF as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 464287655·Exchange Traded Fund·2,849 13F holders·last filed Mar 31, 2026
Market cap
—
▲ 0.6%
vs prior quarter
13F value held
$155.3B
58.0% inst. owned
of float
Holders
2,849
-36 QoQ
filers reporting
Activity
+8 / −67
+841 added · −699 reduced
this quarter
Concentration
17.17%
JANE STREET GROUP, LLC #1
top holder share
AI Holders Summary · Q1 2026

2,849 institutions reported IWM in Q1 2026. JANE STREET GROUP, LLC leads at 17.2% of the visible book. -36 net institutions QoQ — distribution reading.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
JANE STREET GROUP, LLC
CIK 0001595888· Market maker
$26.7B107.5M3.43%Q1 202602
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 0001446194· Market maker
$15.4B62.3M1.73%Q1 202603
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
$13.1B52.8M5.45%Q1 202604
BARCLAYS PLC
CIK 0000312069
$11.7B47.1M2.81%Q1 202605
BANK OF AMERICA CORP /DE/
CIK 0000070858
$10.3B41.6M0.75%Q1 202606
CITADEL ADVISORS LLC
CIK 0001423053
$10.3B41.9M1.55%Q4 202507
CITIGROUP INC
CIK 0000831001
$8.5B34.2M3.62%Q1 202608
TUDOR INVESTMENT CORP ET AL
CIK 0000923093
$8.1B32.6M15.00%Q1 202609
GOLDMAN SACHS GROUP INC
CIK 0000886982
$7.5B30.2M0.86%Q1 202610
MORGAN STANLEY
CIK 0000895421
$7.4B29.8M0.44%Q1 202611
WELLS FARGO & COMPANY/MN
CIK 0000072971
$6.0B24.4M1.14%Q1 202612
ROYAL BANK OF CANADA
CIK 0001000275
$5.7B23.0M1.00%Q1 202613
UBS Group AG
CIK 0001610520
$4.5B18.3M0.68%Q1 202614
BNP PARIBAS FINANCIAL MARKETS
CIK 0001166588
$4.4B6.3M2.15%Q1 202615
BANK OF MONTREAL /CAN/
CIK 0000927971
$4.2B16.9M1.56%Q1 202616
BlackRock, Inc.
CIK 0002012383
$2.8B11.3M0.05%Q1 202617
TORONTO DOMINION BANK
CIK 0000947263
$2.7B10.8M3.83%Q1 202618
Empower Advisory Group, LLC
CIK 0001978885
$2.1B8.6M5.53%Q1 202619
BALYASNY ASSET MANAGEMENT L.P.
CIK 0001218710
$2.0B8.1M2.62%Q1 202620
Parallax Volatility Advisers, L.P.
CIK 0001521001
$1.8B7.2M4.63%Q1 2026
Page 1 of 143
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