Who Owns Mustang Bio, Inc. (MBIO)?Hedge Fund & Institutional Holders
Institutional Holders
31
as of Q4 2025
Total Institutional Value
$1.00012e+25T
% of Float Held
—
QoQ Change in Holders
+9 / -2
Price History
MBIO — Biggest New Institutional Buyers This Quarter
| Fund | Action | Shares Added | Value Added |
|---|---|---|---|
| SBI Securities Co., Ltd. | New Position | +2K | +$1.0M |
| MAI Capital Management | New Position | +3 | +$0 |
| TWO SIGMA INVESTMENTS, LP | New Position | +40K | +$0 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | +6K | +$0 |
| GSA CAPITAL PARTNERS LLP | New Position | +13K | +$0 |
| CITADEL ADVISORS LLC | New Position | +85K | +$0 |
| DRW Securities, LLC | New Position | +74K | +$0 |
| CWM, LLC | New Position | +2 | +$0 |
| JANE STREET GROUP, LLC | New Position | +14K | +$0 |
| CULLEN/FROST BANKERS, INC. | New Position | +13 | +$0 |
| BANK OF AMERICA CORP /DE/ | Increased | +2 | +$0 |
| CFO4Life Group, LLC | Increased | +3K | +$-3K |
| Kestra Advisory Services, LLC | Increased | +45K | +$-100K |
| XTX Topco Ltd | Increased | +5K | +$-28.5M |
MBIO — Institutions Reducing or Closing Positions
| Fund | Action | Shares Sold | Value Sold |
|---|---|---|---|
| RENAISSANCE TECHNOLOGIES LLC | Closed Position | -12K | -$17.9M |
| Tower Research Capital LLC (TRC) | Decreased | -396 | -$2.0M |
| CITIGROUP INC | Closed Position | -602 | -$915K |
| UBS Group AG | Decreased | -4 | -$73K |
| MORGAN STANLEY | Decreased | -150 | -$0 |
Top Institutional Holders(Q4 2025)
MBIO Institutional Ownership History
| Quarter | Holders | Total Value | Change |
|---|---|---|---|
| Q4 2025 | 25 | $1.0M | +7 |
| Q3 2025 | 18 | $49.9M | +3 |
| Q2 2025 | 15 | $53.7M | +0 |
| Q1 2025 | 15 | $141.1M | +14 |
| Q4 2024 | 1 | $20K | — |
Similar Stocks by Institutional Ownership
As of Q4 2025, 31 institutional investors hold MBIO (Mustang Bio, Inc.). The largest holder is SBI Securities Co., Ltd. with $1.0M in shares. This quarter, 9 institutions opened new positions and 2 closed their positions.
Frequently Asked Questions
How many hedge funds own MBIO?
As of Q4 2025, 31 institutional investors report holding MBIO (Mustang Bio, Inc.) in their 13F filings.
Who is the largest institutional holder of MBIO?
The largest institutional holder of MBIO is SBI Securities Co., Ltd. with $1.0M in shares.
Is institutional ownership of MBIO increasing or decreasing?
This quarter, 9 institutions opened new positions in MBIO and 2 closed their positions.