iShares Bitcoin Trust
IBIT
1,440 hedge funds and large institutions have $22.6B invested in iShares Bitcoin Trust in 2025 Q2 according to their latest regulatory filings, with 335 funds opening new positions, 682 increasing their positions, 233 reducing their positions, and 74 closing their positions.
442% more capital inflows, than outflows
Capital inflows: $6.81B | Capital outflows: $1.26B
353% more first-time investments, than exits
New positions opened: 335 | Existing positions closed: 74
193% more repeat investments, than reductions
Existing positions increased: 682 | Existing positions reduced: 233
54% more funds holding in top 10
Funds holding in top 10: 79 → 122 (+43)
21% more funds holding
Funds holding: 1,188 → 1,440 (+252)
21% more call options, than puts
Call options by funds: $6.85B | Put options by funds: $5.66B
3.26% more ownership
Funds ownership: 26.92% → 30.18% (+3.3%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Jane Street
New York
|
+$978M |
| 2 |
Brevan Howard Capital Management
St. Helier,
Jersey
|
+$893M |
| 3 |
Weiss Asset Management
Boston,
Massachusetts
|
+$286M |
| 4 |
IMC Chicago
Chicago,
Illinois
|
+$232M |
| 5 |
Millennium Management
New York
|
+$216M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Marex Group
London,
|
-$359M |
| 2 |
Point72 Asset Management
Stamford,
Connecticut
|
-$169M |
| 3 |
CRCM LP
San Francisco,
California
|
-$86.7M |
| 4 |
Citadel Advisors
Miami,
Florida
|
-$83.4M |
| 5 |
Bank of Montreal
Toronto,
Ontario, Canada
|
-$71.8M |
IBIT Hedge Fund Activity: Q2 2025 in Review
1,440 of the 7,621 institutional investors tracked by Wall St. Rank reported a position in iShares Bitcoin Trust (IBIT) for Q2 2025, worth a combined $22.6B — up 77% from $12.8B a quarter earlier.
Buyers outnumbered sellers: 335 funds opened new IBIT positions and 74 closed out — a net gain of 261 holders — while 682 added to existing stakes and 233 trimmed.
The largest buyer was Jane Street, adding an estimated $978M. The largest seller was Marex Group, cutting an estimated $359M.
- 1,440 institutional investors held iShares Bitcoin Trust (IBIT) as of Q2 2025, up from 1,188 in Q1 2025.
- Funds reported $22.6B of iShares Bitcoin Trust stock for Q2 2025, up 77% quarter-over-quarter.
- 335 funds opened new iShares Bitcoin Trust positions in Q2 2025 and 74 closed out, a net change of +261 holders.
- The largest iShares Bitcoin Trust buyer in Q2 2025 was Jane Street, an estimated $978M added.
- The largest iShares Bitcoin Trust seller in Q2 2025 was Marex Group, an estimated $359M sold.
Based on aggregated 13F filings for Q2 2025.