MUSTANG BIO, INC. - Common Stock, $0.0001 Par Value (MBIO)

CUSIP: 62818Q302

Q1 2025 13F Holders as of 31 Mar 2025

Holder snapshot 5 signals
Share change
+113,737
SEC-reported price per share
$1.25
Number of holders
15
Value change
+$142,173
Number of buys
13
Security identity Names, identifiers, and filing context for this profile. 1 source field
Shares outstanding
6,715,538

Security key

62818Q302

Report period

Q1 2025

Institutions

15

Top holders

10

Ownership snapshot

Top reported holders of MBIO - MUSTANG BIO, INC. - Common Stock, $0.0001 Par Value (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
Fortress Biotech, Inc.
Disclosed value leader
Fortress Biotech, Inc.
Comparable rows
2/15
Latest evidence
31 Dec 2024
13D/G 13F 3/4/5 Lead comparable stake: 12% 13 rows are not safely comparable across share classes. 13D/G row: Fortress Biotech, Inc. Showing 1-6 of 15 holder rows.

Quick read

Fortress Biotech, Inc. leads the comparable SEC ownership view at 12%.

2 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens Fortress Biotech, Inc.'s linked filing trail.
Comparable ownership Top 2
Fortress Biotech, Inc. 12%
ARMISTICE CAPITAL, LLC 5%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
Fortress Biotech, Inc.
13D/G
12%
Reported 13D/G · 31 Dec 2024
$1,708,057
6,569,450 shares
$0 31 Dec 2024
ARMISTICE CAPITAL, LLC
13F 13D/G
Company
5%
Reported 13D/G · 31 Mar 2025
$638,358
3,606,543 shares
— 31 Dec 2024
Brian Achenbach
3/4/5
SVP, Fin. & Corp. Controller
—
denominator unverified
$74,738
144,729 shares
— 08 Dec 2021
GEODE CAPITAL MANAGEMENT, LLC
13F
Company
13F
—
denominator unverified
$50,347
284,437 shares
— 31 Dec 2024
Lindsay A. Rosenwald MD
3/4/5
Director
—
denominator unverified
$31,255
60,525 shares
— 05 Jul 2023
Michael S. Weiss
3/4/5
Director
—
denominator unverified
$25,633
49,637 shares
— 05 Jul 2023
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q1 2025

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions
15
Shares
113,859
Rows available
15
Investor Option Weight % Change % SEC-reported value * Price Shares Share Change Activity Report Period

* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q1 2025 vs Q2 2026 Across Filers

Q2 2026 holders
23
Q1 2025 holders
15
Holder diff
-8
Investor Q2 2026 Shares Q1 2025 Shares Share Diff Share Chg % Q2 2026 value Q1 2025 value Value change Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Manage preferences to update or revoke optional consent for future visits. For more information, see our Privacy Policy .