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

ISHARES TR

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

CUSIP 464288903·8 13F holders·last filed Mar 31, 2026
Market cap
1.0%
vs prior quarter
13F value held
$1.8B
69.0% inst. owned
of float
Holders
8
+40 QoQ
filers reporting
Activity
+39 / −7
+752 added · −831 reduced
this quarter
Concentration
51.17%
JPMORGAN CHASE & CO #1
top holder share
AI Holders Summary · Q1 2026

8 institutions reported ISHARES TR in Q1 2026. JPMORGAN CHASE & CO leads at 51.2% of the visible book. +40 net new institutions vs prior quarter — accumulation reading.

Top holders

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

#HolderValueShares% port.Quarter
01
JPMORGAN CHASE & CO
CIK 0000019617
$924M11.7M0.06%Q1 2026
02
Compass Rose Asset Management, LP
CIK 0001758811
$636M8.0M47.88%Q1 2026
03
IMC-Chicago, LLC
CIK 0001452861· Market maker
$98M1.2M0.04%Q1 2026
04
Optiver Holding B.V.
CIK 0001859606· Market maker
$80M1.0M0.03%Q1 2026
05
HRT FINANCIAL LP
CIK 0001475597
$63M778K0.20%Q4 2025
06
GROUP ONE TRADING LLC
CIK 0000932540
$5M59K0.01%Q1 2026
07
Marathon Trading Investment Management LLC
CIK 0001572748
$15,9122000.00%Q1 2026
08
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025