Mustang Bio
MBIO
16 hedge funds and large institutions have $142K invested in Mustang Bio in 2025 Q1 according to their latest regulatory filings, with 2 funds opening new positions, 7 increasing their positions, 5 reducing their positions, and 16 closing their positions.
40% more repeat investments, than reductions
Existing positions increased: 7 | Existing positions reduced: 5
5.77% more ownership
Funds ownership: 0.19% → 5.96% (+5.8%)
47% less funds holding
Funds holding: 30 → 16 (-14)
83% less capital invested
Capital invested by funds: $827K → $142K (-$684K)
88% less first-time investments, than exits
New positions opened: 2 | Existing positions closed: 16
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
AFM
Anson Funds Management
Dallas,
Texas
|
+$174K |
| 2 |
UBS Group
Zurich,
Switzerland
|
+$173K |
| 3 |
Geode Capital Management
Boston,
Massachusetts
|
+$38.4K |
| 4 |
TRCT
Tower Research Capital (TRC)
New York
|
+$6.42K |
| 5 |
SS
SBI Securities
Tokyo,
Japan
|
+$1.52K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
AC
Armistice Capital
New York
|
-$638K |
| 2 |
HWM
HB Wealth Management
Atlanta,
Georgia
|
-$19.9K |
| 3 |
Renaissance Technologies
New York
|
-$15.5K |
| 4 |
Vanguard Group
Malvern,
Pennsylvania
|
-$13.3K |
| 5 |
HF
HRT Financial
New York
|
-$9K |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
26
Northern Trust
Chicago,
Illinois
| – | -$2.99K | -338 | Closed |
|
27
State Street
Boston,
Massachusetts
| – | -$2.83K | -320 | Closed |
|
28
Goldman Sachs
New York
| – | -$2.35K | -265 | Closed |
|
|
VPW
29
Variant Private Wealth
Tysons,
Virginia
| – | -$2.3K | -260 | Closed |
|
30
Macquarie Group
Sydney, NSW 2000,
Australia
| – | -$1K | -160 | Closed |
|
31
Fidelity Investments
Boston,
Massachusetts
| – | -$545 | -62 | Closed |
|
32
Carson Wealth (CWM LLC)
Omaha,
Nebraska
| – | -$4 | -1 | -33% |
|
MBIO Hedge Fund Activity: Q1 2025 in Review
16 of the 7,458 institutional investors tracked by Wall St. Rank reported a position in Mustang Bio (MBIO) for Q1 2025, worth a combined $142K — down 83% from $827K a quarter earlier.
Sellers outnumbered buyers: 16 funds closed out of MBIO and 2 opened new positions — a net loss of 14 holders — while 5 trimmed existing stakes and 7 added.
The largest buyer was Anson Funds Management, opening a new position worth an estimated $174K. The largest seller was Armistice Capital, exiting entirely with an estimated $638K sold.
- 16 institutional investors held Mustang Bio (MBIO) as of Q1 2025, down from 30 in Q4 2024.
- Funds reported $142K of Mustang Bio stock for Q1 2025, down 83% quarter-over-quarter.
- 2 funds opened new Mustang Bio positions in Q1 2025 and 16 closed out, a net change of -14 holders.
- The largest Mustang Bio buyer in Q1 2025 was Anson Funds Management, an estimated $174K added.
- The largest Mustang Bio seller in Q1 2025 was Armistice Capital, an estimated $638K sold.
Based on aggregated 13F filings for Q1 2025.