13F Insight
DOSSIER · 13F Holders · Q4 2025
ARKB

ARK 21SHARES BITCOIN ETF

137 institutions still hold ARK 21SHARES BITCOIN ETF as of Q4 2025. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 040919102·137 13F holders·last filed Dec 31, 2025
Market cap
—
13F value held
$689M
visible holders
Holders
137
filers reporting
Concentration
21.56%
Galaxy Group Investments LLC #1
top holder share
AI Holders Summary · Q4 2025

137 institutions reported ARKB in Q4 2025. Galaxy Group Investments LLC leads at 21.6% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
Galaxy Group Investments LLC
CIK 0001912562
$149M5.1M17.63%Q4 202502
ARK Investment Management LLC
CIK 0001697748
$126M6.5M0.82%Q2 202603
Schonfeld Strategic Advisors LLC
CIK 0001665241
$77M3.9M0.27%Q2 202604
Galaxy Digital Inc.
CIK 0001859392
$76M3.9M4.47%Q2 202605
Intesa Sanpaolo S.p.A.
CIK 0001374384
$68M3.5M2.31%Q2 202606
JANE STREET GROUP, LLC
CIK 0001595888· Market maker
$42M1.9M0.01%Q1 202607
HBK INVESTMENTS L P
CIK 0001011443
$38M2.0M0.37%Q2 202608
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
$21M1.1M0.01%Q2 202609
KALEIDOSCOPE CAPITAL LP
CIK 0001702912
$19M962K6.92%Q2 202610
Tidal Investments LLC
CIK 0001600064
$17M853K0.03%Q2 202611
Cyndeo Wealth Partners, LLC
CIK 0001950947
$12M638K0.58%Q2 202612
TITLEIST ASSET MANAGEMENT, LLC
CIK 0001977759
$7M369K0.48%Q2 202613
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 0001446194· Market maker
$7M347K0.00%Q2 202614
STATE OF MICHIGAN RETIREMENT SYSTEM
CIK 0000762152
$6M300K0.03%Q2 202615
Farringdon Capital, Ltd.
CIK 0001750980
$5M255K2.46%Q2 202616
CITADEL ADVISORS LLC
CIK 0001423053
$5M252K0.00%Q2 202617
Quadrature Capital Ltd
CIK 0001651424
$5M238K0.04%Q2 202618
Blue Trust, Inc.
CIK 0001856022
$4M225K0.05%Q2 202619
Palatine Hill Wealth Management, LLC
CIK 0002107248
$4M222K3.48%Q2 202620
Virtu Financial LLC
CIK 0001533964· Market maker
$4M166K0.15%Q1 2026
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