DOSSIER · 13F Holders · Q1 2026High-convictionMulti-bagger

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
1.5%
vs prior quarter
13F value held
$2.9B
65.0% inst. owned
of float
Holders
15
-36 QoQ
filers reporting
Activity
+8 / −30
+1,016 added · −840 reduced
this quarter
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. -36 net institutions QoQ — distribution reading.

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 2026
02
IMC-Chicago, LLC
CIK 0001452861· Market maker
$550M6.9M0.20%Q1 2026
03
Optiver Holding B.V.
CIK 0001859606· Market maker
$435M5.5M0.15%Q1 2026
04
HIGHBRIDGE CAPITAL MANAGEMENT LLC
CIK 0000919185
$433M5.5M14.05%Q1 2026
05
Bracebridge Capital, LLC
CIK 0001426486
$215M27K5.76%Q1 2026
06
GROUP ONE TRADING LLC
CIK 0000932540
$40M507K0.08%Q1 2026
07
1832 Asset Management L.P.
CIK 0000944388
$40M504K0.04%Q1 2026
08
HRT FINANCIAL LP
CIK 0001475597
$33M413K0.11%Q4 2025
09
Maven Securities LTD
CIK 0001633046
$8M104K0.16%Q1 2026
10
Warberg Asset Management LLC
CIK 0001597506
$954,72012K0.16%Q1 2026
11
CI INVESTMENTS INC.
CIK 0001163648
$378,2509K0.00%Q1 2026
12
Marathon Trading Investment Management LLC
CIK 0001572748
$55,6927000.00%Q1 2026
13
Boussard & Gavaudan Investment Management LLP
CIK 0001614986
$14,9905000.00%Q1 2026
14
SG Americas Securities, LLC
CIK 0001313360
$175239K0.00%Q1 2026
15
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025