13F Insight
DOSSIER · 13F Holders · Q1 2026

ISHARES TR

15 institutions still hold ISHARES TR as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 464288953·15 13F holders·last filed Mar 31, 2026
Market cap
—
13F value held
$2.9B
visible holders
Holders
15
filers reporting
Concentration
38.57%
JPMORGAN CHASE & CO #1
top holder share
AI Holders Summary · Q1 2026

15 institutions reported ISHARES TR in Q1 2026. JPMORGAN CHASE & CO leads at 38.6% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
JPMORGAN CHASE & CO
CIK 0000019617
$1.1B14.0M0.07%Q1 202602
IMC-Chicago, LLC
CIK 0001452861· Market maker
$550M6.9M0.20%Q1 202603
Optiver Holding B.V.
CIK 0001859606· Market maker
$435M5.5M0.15%Q1 202604
HIGHBRIDGE CAPITAL MANAGEMENT LLC
CIK 0000919185
$433M5.5M14.05%Q1 202605
Bracebridge Capital, LLC
CIK 0001426486
$215M27K5.76%Q1 202606
GROUP ONE TRADING LLC
CIK 0000932540
$40M507K0.08%Q1 202607
1832 Asset Management L.P.
CIK 0000944388
$40M504K0.04%Q1 202608
HRT FINANCIAL LP
CIK 0001475597
$33M413K0.11%Q4 202509
Maven Securities LTD
CIK 0001633046
$8M104K0.16%Q1 202610
Warberg Asset Management LLC
CIK 0001597506
$955K12K0.16%Q1 202611
CI INVESTMENTS INC.
CIK 0001163648
$378K9K0.00%Q1 202612
SG Americas Securities, LLC
CIK 0001313360
$175K239K0.00%Q1 202613
Marathon Trading Investment Management LLC
CIK 0001572748
$56K7000.00%Q1 202614
Boussard & Gavaudan Investment Management LLP
CIK 0001614986
$15K5000.00%Q1 202615
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00—Q2 2025