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.
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)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Jane Street
New York
|
+$159M |
| 2 |
Millennium Management
New York
|
+$23.5M |
| 3 |
SSA
Schonfeld Strategic Advisors
New York
|
+$18.9M |
| 4 |
KC
Kaleidoscope Capital
Boston,
Massachusetts
|
+$6.28M |
| 5 |
CIA
Concurrent Investment Advisors
Tampa,
Florida
|
+$3.73M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
HI
HBK Investments
Dallas,
Texas
|
-$54M |
| 2 |
GGI
Galaxy Group Investments
New York
|
-$49.2M |
| 3 |
AIM
ARK Investment Management
St. Petersburg,
Florida
|
-$21.4M |
| 4 |
EC
Elequin Capital
New York
|
-$14.5M |
| 5 |
VAS
Vestmark Advisory Solutions
Wakefield,
Massachusetts
|
-$8.34M |
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.