Mustang BioMBIO
13F holders, Q4 2025 (December 31)25holders +5
7new positions
3sold out
1famous investor
$0.98avg. 13F price*
At the end of Q4 2025, 25 institutions reported holding Mustang Bio Inc. (MBIO) in their 13F filings, up 5 from Q3 2025. 7 opened new positions and 3 sold out. The largest holders were Kestra Advisory Services, LLC ($109K), Citadel Advisors ($83K) and BlackRock, Inc. ($83K). One famous investor held it Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Mustang Bio Inc.
- CUSIP
- 62818Q302
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 7 | $222K |
| Exits | 3 | $19K |
All 13F filers, Q3 2025 → Q4 2025: 284,314 shares bought and 12,952 shares sold, net +271,362 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 25 holders
| Kestra Advisory Services, LLC | 0.00% | Add +68.0% | 111,042 | $109K |
| Citadel Advisors | 0.00% | New | 84,765 | $83K |
| BlackRock, Inc. | 0.00% | No change | 84,745 | $83K |
| DRW Securities, LLC | 0.01% | New | 73,936 | $73K |
| Vanguard Group Inc. | 0.00% | No change | 57,863 | $57K |
| Two Sigma Investments, LP | 0.00% | New | 40,034 | $39K |
| Geode Capital Management, LLC | 0.00% | Add +22.2% | 32,285 | $32K |
| XTX Topco Ltd | 0.00% | Add +28.2% | 24,073 | $24K |
| Jane Street Group, LLC | 0.00% | New | 14,126 | $14K |
| Gsa Capital Partners LLP | 0.00% | New | 12,834 | $13K |
| CFO4Life Group, LLC | 0.00% | Add +23.9% | 12,961 | $13K |
| SBI Securities Co., Ltd. | 0.00% | Add +0.1% | 2,009 | $2K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -29.7% | 936 | $918 |
| Morgan Stanley | 0.00% | Reduce -49.5% | 153 | $150 |
| Harbour Investments, Inc. | 0.00% | No change | 76 | $75 |
| Bank of America Corp. | 0.00% | Add +3.9% | 54 | $53 |
| UBS Group AG | 0.00% | Reduce -8.3% | 44 | $43 |
| Cullen/Frost Bankers, Inc. | 0.00% | New | 13 | $13 |
| BNP Paribas Financial Markets | 0.00% | No change | 6 | $6 |
| MAI Capital Management | 0.00% | New | 3 | $3 |
| JPMorgan Chase & Co. | 0.00% | No change | 2 | $2 |
| Lanark Financial, Inc. | 0.00% | No change | 3 | $2 |
| Danske Bank A/S | 0.00% | No change | 2 | $2 |
| Group One Trading LLC | 0.00% | No change | 1 | $1 |
| Cwm, LLC | 0.00% | No change | 2 | $0 |
"% of holder's portfolio" is MBIO's weight in each manager's 13F, not the share of Mustang Bio Inc. the manager owns.