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

ISHARES BITCOIN TRUST ETF

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

CUSIP 46438F901·13 13F holders·last filed Mar 31, 2026
Market cap
—
▲ 6.7%
vs prior quarter
13F value held
$1.5B
66.0% inst. owned
of float
Holders
13
-17 QoQ
filers reporting
Activity
+46 / −91
+788 added · −876 reduced
this quarter
Concentration
36.98%
IMC-Chicago, LLC #1
top holder share
AI Holders Summary · Q1 2026

13 institutions reported ISHARES BITCOIN TRUST ETF in Q1 2026. IMC-Chicago, LLC leads at 37.0% of the visible book. -17 net institutions QoQ — distribution reading.

Top holders

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

#HolderValueShares% port.Quarter
01
IMC-Chicago, LLC
CIK 0001452861· Market maker
$557M14.5M0.20%Q1 202602
SIMPLEX TRADING, LLC
CIK 0001488542
$506M13.2M0.34%Q1 202603
JPMORGAN CHASE & CO
CIK 0000019617
$142M3.8M0.01%Q1 202604
GROUP ONE TRADING LLC
CIK 0000932540
$83M2.2M0.16%Q1 202605
Optiver Holding B.V.
CIK 0001859606· Market maker
$69M1.8M0.02%Q1 202606
AKUNA SECURITIES LLC
CIK 0001529090
$53M1.4M0.12%Q1 202607
Feynman Point Asset Management LLC
CIK 0002110123
$52M1.4M64.18%Q1 202608
Marathon Trading Investment Management LLC
CIK 0001572748
$42M1.1M1.15%Q1 202609
ParaFi Capital LP
CIK 0001919332
$1M12K0.41%Q4 202510
LEGACY CAPITAL WEALTH MANAGEMENT, LLC
CIK 0002071183
$315,0448K0.18%Q1 202611
INSIGNEO ADVISORY SERVICES, LLC
CIK 0001964958
$57,6302K0.00%Q1 202612
CMT Capital Markets Trading GmbH
CIK 0001632813
$3,884101K0.04%Q1 202613
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00—Q2 2025