Mustang BioMBIO
13F holders, Q1 2026 (March 31)22holders −3
2new positions
6sold out
1famous investor
$0.73avg. 13F price*
At the end of Q1 2026, 22 institutions reported holding Mustang Bio Inc. (MBIO) in their 13F filings, down 3 from Q4 2025. 2 opened new positions and 6 sold out. The largest holders were Kestra Advisory Services, LLC ($128K), Geode Capital Management, LLC ($68K) and BlackRock, Inc. ($62K). 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 Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 2 | $2 |
| Exits | 6 | $123K |
All 13F filers, Q4 2025 → Q1 2026: 137,582 shares bought and 181,479 shares sold, net −43,897 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 22 holders
| Kestra Advisory Services, LLC | 0.00% | Add +58.5% | 176,042 | $128K |
| Geode Capital Management, LLC | 0.00% | Add +187.4% | 92,790 | $68K |
| BlackRock, Inc. | 0.00% | No change | 84,745 | $62K |
| Citadel Advisors | 0.00% | Reduce -37.2% | 53,200 | $39K |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 32,120 | $23K |
| Vanguard Capital Management LLC | 0.00% | — | 25,704 | $19K |
| CFO4Life Group, LLC | 0.00% | Add +57.9% | 20,461 | $15K |
| Two Sigma Investments, LP | 0.00% | Reduce -58.1% | 16,754 | $12K |
| UBS Group AG | 0.00% | Add +8215.9% | 3,659 | $3K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +102.5% | 1,895 | $1K |
| SBI Securities Co., Ltd. | 0.00% | Reduce -74.7% | 509 | $371 |
| Morgan Stanley | 0.00% | Reduce -22.9% | 118 | $86 |
| Cullen/Frost Bankers, Inc. | 0.00% | No change | 13 | $9 |
| BNP Paribas Financial Markets | 0.00% | No change | 6 | $4 |
| MAI Capital Management | 0.00% | No change | 3 | $3 |
| Lanark Financial, Inc. | 0.00% | No change | 3 | $2 |
| JPMorgan Chase & Co. | 0.00% | No change | 2 | $1 |
| Danske Bank A/S | 0.00% | No change | 2 | $1 |
| Citigroup Inc. | 0.00% | New | 1 | $1 |
| Group One Trading LLC | 0.00% | No change | 1 | $1 |
| Cwm, LLC | 0.00% | No change | 2 | $1 |
| Osaic Holdings, Inc. | 0.00% | New | 2 | $1 |
"% of holder's portfolio" is MBIO's weight in each manager's 13F, not the share of Mustang Bio Inc. the manager owns.