Mustang BioMBIO
13F holders, Q3 2025 (September 30)20holders +3
6new positions
2sold out
1famous investor
$1.52avg. 13F price*
At the end of Q3 2025, 20 institutions reported holding Mustang Bio Inc. (MBIO) in their 13F filings, up 3 from Q2 2025. 6 opened new positions and 2 sold out. The largest holders were BlackRock, Inc. ($129K), Kestra Advisory Services, LLC ($100K) and Vanguard Group Inc. ($88K). One famous investor held it Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).
- Company
- Mustang Bio Inc.
- CUSIP
- 62818Q302
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 6 | $251K |
| Exits | 2 | $27K |
All 13F filers, Q2 2025 → Q3 2025: 260,016 shares bought and 53,674 shares sold, net +206,342 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 20 holders
| BlackRock, Inc. | 0.00% | Add +4989.8% | 84,745 | $129K |
| Kestra Advisory Services, LLC | 0.00% | New | 66,108 | $100K |
| Vanguard Group Inc. | 0.00% | New | 57,863 | $88K |
| Geode Capital Management, LLC | 0.00% | Add +64.3% | 26,418 | $40K |
| XTX Topco Ltd | 0.00% | New | 18,775 | $29K |
| Renaissance Technologies | 0.00% | New | 11,800 | $18K |
| CFO4Life Group, LLC | 0.00% | New | 10,461 | $16K |
| SBI Securities Co., Ltd. | 0.00% | Add +299.8% | 2,007 | $3K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -66.5% | 1,332 | $2K |
| Citigroup Inc. | 0.00% | Reduce -40.2% | 602 | $915 |
| Morgan Stanley | 0.00% | Add +27.9% | 303 | $461 |
| Harbour Investments, Inc. | 0.00% | No change | 76 | $116 |
| Bank of America Corp. | 0.00% | Add +57.6% | 52 | $79 |
| UBS Group AG | 0.00% | Reduce -99.8% | 48 | $73 |
| BNP Paribas Financial Markets | 0.00% | No change | 6 | $9 |
| Lanark Financial, Inc. | 0.00% | New | 3 | $4 |
| JPMorgan Chase & Co. | 0.00% | No change | 2 | $3 |
| Danske Bank A/S | 0.00% | No change | 2 | $3 |
| Group One Trading LLC | 0.00% | No change | 1 | $2 |
| 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.