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ARK 21Shares Bitcoin ETF
ARKB

148 hedge funds and large institutions have $1.28B invested in ARK 21Shares Bitcoin ETF in 2025 Q1 according to their latest regulatory filings, with 33 funds opening new positions, 49 increasing their positions, 40 reducing their positions, and 24 closing their positions.

New
Increased
Maintained
Reduced
Closed

292% more call options, than puts

Call options by funds: $25.1M | Put options by funds: $6.42M

38% more first-time investments, than exits

New positions opened: 33 | Existing positions closed: 24

23% more repeat investments, than reductions

Existing positions increased: 49 | Existing positions reduced: 40

4.81% more ownership

Funds ownership: 92.38% → 97.19% (+4.8%)

3% more funds holding

Funds holding: 143 → 148 (+5)

8% less capital invested

Capital invested by funds: $1.39B → $1.28B (-$106M)

44% less funds holding in top 10

Funds holding in top 10: 9 → 5 (-4)

Holders
148
Holders Change
+5
Holders Change %
+3.5%
% of All Funds
1.98%
Holding in Top 10
5
Holding in Top 10 Change
-4
Holding in Top 10 Change %
-44.44%
% of All Funds
0.07%
New
33
Increased
49
Reduced
40
Closed
24
Calls
$25.1M
Puts
$6.42M
Net Calls
+$18.7M
Net Calls Change
-$2.24M

Top Buyers

Rank Fund Capital Flow
1
Jane Street
Jane Street
New York
+$159M
2
Millennium Management
Millennium Management
New York
+$23.5M
3
SSA
Schonfeld Strategic Advisors
New York
+$18.9M
4
KC
Kaleidoscope Capital
Massachusetts
+$6.28M
5
CIA
Concurrent Investment Advisors
Florida
+$3.73M

Top Sellers

Rank Fund Capital Flow
1
HI
HBK Investments
Texas
-$54M
2
GGI
Galaxy Group Investments
New York
-$49.2M
3
AIM
ARK Investment Management
Florida
-$21.4M
4
EC
Elequin Capital
New York
-$14.5M
5
VAS
Vestmark Advisory Solutions
Massachusetts
-$8.34M
Name Holding Trade Value Shares
Change 		Change in
Stake
FTUS
151
Flow Traders U.S.
New York
– -$2.43M -78,240 Closed
JF
152
Jump Financial
Illinois
– -$1.98M -63,606 Closed
Renaissance Technologies
153
Renaissance Technologies
New York
– -$1.45M -46,500 Closed
NL
154
NKCFO LLC
Illinois
– -$1.4M -45,000 Closed
DAS
155
Dynamic Advisor Solutions
Arizona
– -$373K -12,000 Closed
ALA
156
Atlas Legacy Advisors
California
– -$340K -10,932 Closed
EW
157
Element Wealth
Mississippi
– -$282K -9,066 Closed
Walleye Capital
158
Walleye Capital
New York
– -$280K -9,000 Closed
FPAS
159
Focus Partners Advisor Solutions
Missouri
– -$222K -7,140 Closed
IFG
160
Independent Financial Group
California
– -$207K -6,651 Closed
VAM
161
Vienna Asset Management
California
– -$201K -6,471 Closed
CWC
162
Carolinas Wealth Consulting
North Carolina
– -$182K -5,862 Closed
PNC Financial Services Group
163
PNC Financial Services Group
Pennsylvania
– -$154K -4,950 Closed
T
164
Transce3nd
Texas
– -$67.5K -2,172 Closed
Jones Financial Companies
165
Jones Financial Companies
Missouri
– -$11.7K -375 Closed
PCWA
166
Pacific Capital Wealth Advisors
California
– -$9.33K -300 Closed
VWM
167
Venturi Wealth Management
Texas
– -$6.9K -222 Closed
CA
168
CoreCap Advisors
Michigan
– -$4.66K -150 Closed
KIM
169
Kestra Investment Management
Texas
– -$2.8K -90 Closed
OP
170
ORG Partners
Indiana
– -$932 -30 Closed
DRP
171
Decker Retirement Planning
Utah
– -$93 -3 Closed
TAM
172
Tucker Asset Management
Colorado
– -$93 -3 Closed
3 4 5 6
7

ARKB Hedge Fund Activity: Q1 2025 in Review

148 of the 7,459 institutional investors tracked by Wall St. Rank reported a position in ARK 21Shares Bitcoin ETF (ARKB) for Q1 2025, worth a combined $1.28B — down 7.7% from $1.39B a quarter earlier.

Buyers outnumbered sellers: 33 funds opened new ARKB positions and 24 closed out — a net gain of 9 holders — while 49 added to existing stakes and 40 trimmed.

The largest buyer was Jane Street, adding an estimated $159M. The largest seller was HBK Investments, cutting an estimated $54M.

  • 148 institutional investors held ARK 21Shares Bitcoin ETF (ARKB) as of Q1 2025, up from 143 in Q4 2024.
  • Funds reported $1.28B of ARK 21Shares Bitcoin ETF stock for Q1 2025, down 7.7% quarter-over-quarter.
  • 33 funds opened new ARK 21Shares Bitcoin ETF positions in Q1 2025 and 24 closed out, a net change of +9 holders.
  • The largest ARK 21Shares Bitcoin ETF buyer in Q1 2025 was Jane Street, an estimated $159M added.
  • The largest ARK 21Shares Bitcoin ETF seller in Q1 2025 was HBK Investments, an estimated $54M sold.

Based on aggregated 13F filings for Q1 2025.