ARKB icon

ARK 21Shares Bitcoin ETF
ARKB

Overview Fund Activity

159 hedge funds and large institutions have $1.4B invested in ARK 21Shares Bitcoin ETF in 2025 Q2 according to their latest regulatory filings, with 30 funds opening new positions, 47 increasing their positions, 50 reducing their positions, and 16 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
159
Holders Change
+13
Holders Change %
+8.9%
% of All Funds
2.13%
Holding in Top 10
8
Holding in Top 10 Change
+3
Holding in Top 10 Change %
+60%
% of All Funds
0.11%
New
30
Increased
47
Reduced
50
Closed
16
Calls
$39.1M
Puts
$21.8M
Net Calls
+$17.3M
Net Calls Change
-$1.47M

Top Buyers

1
SSA
Schonfeld Strategic Advisors
New York
$119M
2
Susquehanna International Group
Susquehanna International Group
Pennsylvania
$35.8M
3
HI
HBK Investments
Texas
$117M
4
VC
Vestor Capital
Illinois
$17.9M
5
KC
Kaleidoscope Capital
Massachusetts
$24.1M

Top Sellers

1
Jane Street
Jane Street
New York
$409M
2
AMH
Apollo Management Holdings
New York
$45.6M
3
AIM
ARK Investment Management
Florida
$237M
4
Bank of Montreal
Bank of Montreal
Ontario, Canada
$571K
5
OMC
Old Mission Capital
Illinois
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
Jane Street
1
Jane Street
New York
$409M -$128M -3,587,609 -24%
AIM
2
ARK Investment Management
Florida
$237M -$71.1M -1,986,411 -23%
Millennium Management
3
Millennium Management
New York
$151M +$3.36M +93,798 +2%
SSA
4
Schonfeld Strategic Advisors
New York
$119M +$92.2M +2,575,000 +343%
HI
5
HBK Investments
Texas
$117M +$29.2M +815,640 +33%
AMH
6
Apollo Management Holdings
New York
$45.6M -$74.6M -2,085,000 -62%
Susquehanna International Group
7
Susquehanna International Group
Pennsylvania
$35.8M +$33.5M +935,040 +1,455%
KC
8
Kaleidoscope Capital
Massachusetts
$24.1M +$10.8M +303,156 +82%
VC
9
Vestor Capital
Illinois
$17.9M +$17.9M +619,370 New
TAM
10
Titleist Asset Management
Texas
$17.1M -$123K -3,428 -0.7%
CWP
11
Cyndeo Wealth Partners
Florida
$13.8M +$257K +7,179 +2%
SOMRS
12
State of Michigan Retirement System
Michigan
$10.7M – – –
EC
13
Elequin Capital
New York
$10.1M +$10M +279,936 +31,313%
MS
14
Madden Securities
Texas
$7.94M +$283K +7,920 +4%
Simplex Trading
15
Simplex Trading
Illinois
$7.19M +$660K +18,444 +10%
AC
16
Aristides Capital
Kentucky
$6.98M – – –
Citadel Advisors
17
Citadel Advisors
Florida
$6.95M +$3.2M +89,298 +85%
VF
18
Virtu Financial
New York
$6.92M +$6.92M +193,212 New
DWM
19
Dakota Wealth Management
Florida
$6.73M – – –
HSBC Holdings
20
HSBC Holdings
United Kingdom
$6.44M – – –
Renaissance Technologies
21
Renaissance Technologies
New York
$5.86M +$5.86M +163,800 New
Envestnet Asset Management
22
Envestnet Asset Management
Illinois
$5.65M -$933K -26,070 -14%
BEI
23
Benjamin Edwards Inc
Missouri
$5.4M -$766K -21,407 -12%
Verition Fund Management
24
Verition Fund Management
Connecticut
$5.37M – – –
FC
25
Farringdon Capital
United Kingdom
$4.61M -$67.8K -1,894 -1%
1
2 3 4 5