iShares Bitcoin Trust
IBIT
1,433 hedge funds and large institutions have $22.6B invested in iShares Bitcoin Trust in 2025 Q2 according to their latest regulatory filings, with 336 funds opening new positions, 679 increasing their positions, 231 reducing their positions, and 74 closing their positions.
354% more first-time investments, than exits
New positions opened: 336 | Existing positions closed: 74
194% more repeat investments, than reductions
Existing positions increased: 679 | Existing positions reduced: 231
77% more capital invested
Capital invested by funds: $12.8B → $22.6B (+$9.81B)
53% more funds holding in top 10
Funds holding in top 10: 79 → 121 (+42)
21% more funds holding
Funds holding: 1,180 → 1,433 (+253)
21% more call options, than puts
Call options by funds: $6.84B | Put options by funds: $5.66B
3.62% more ownership
Funds ownership: 26.97% → 30.59% (+3.6%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Jane Street
New York
|
+$978M |
| 2 |
BHCM
Brevan Howard Capital Management
St. Helier,
Jersey
|
+$893M |
| 3 |
WAM
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 |
MG
Marex Group
London,
|
-$359M |
| 2 |
Point72 Asset Management
Stamford,
Connecticut
|
-$169M |
| 3 |
CL
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
1,433 of the 7,595 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: 336 funds opened new IBIT positions and 74 closed out — a net gain of 262 holders — while 679 added to existing stakes and 231 trimmed.
The largest buyer was Jane Street, adding an estimated $978M. The largest seller was Marex Group, cutting an estimated $359M.
- 1,433 institutional investors held iShares Bitcoin Trust (IBIT) as of Q2 2025, up from 1,180 in Q1 2025.
- Funds reported $22.6B of iShares Bitcoin Trust stock for Q2 2025, up 77% quarter-over-quarter.
- 336 funds opened new iShares Bitcoin Trust positions in Q2 2025 and 74 closed out, a net change of +262 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.