Mustang BioMBIO

13F holders, Q2 2025 (June 30)
17holders +1
3new positions
2sold out
1famous investor
$0.96avg. 13F price*

At the end of Q2 2025, 17 institutions reported holding Mustang Bio Inc. (MBIO) in their 13F filings, up 1 from Q1 2025. 3 opened new positions and 2 sold out. The largest holders were Citadel Advisors ($27K), UBS Group AG ($22K) and Geode Capital Management, LLC ($15K). 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

0510152025 Q4 2024: 1Q4 2024Q1 2025: 16Q1 2025Q2 2025: 17Q2 2025Q3 2025: 20Q3 2025Q4 2025: 25Q4 2025Q1 2026: 22Q1 2026Q2 2026: 23Q2 2026

Total Exit/New Position Q1 2025 → Q2 2025

InstitutionsTotal Value
New Positions3$28K
Exits2$58K

All 13F filers, Q1 2025 → Q2 2025: 31,601 shares bought and 71,198 shares sold, net −39,597 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 17 holders

Citadel Advisors 0.00% New 28,069 $27K
UBS Group AG 0.00% Reduce -52.5% 22,585 $22K
Geode Capital Management, LLC 0.00% Add +2.0% 16,082 $15K
Tower Research Capital LLC (TRC) 0.00% Add +109.4% 3,978 $4K
BlackRock, Inc. 0.00% No change 1,665 $2K
Citigroup Inc. 0.00% New 1,006 $961
SBI Securities Co., Ltd. 0.00% Add +24.9% 502 $479
Morgan Stanley 0.00% Reduce -20.5% 237 $226
Harbour Investments, Inc. 0.00% No change 76 $73
Bank of America Corp. 0.00% Add +106.3% 33 $32
Raymond James Financial Inc. 0.00% New 16 $16
BNP Paribas Financial Markets 0.00% No change 6 $6
JPMorgan Chase & Co. 0.00% Reduce -97.1% 2 $2
Danske Bank A/S 0.00% No change 2 $2
Activest Wealth Management 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.