MUSTANG BIO INC (MBIO) is held by 17 institutional investors that disclose positions via SEC 13F filings. The largest disclosed holder is Kestra Advisory Services, LLC as of Q1 2026.

Are institutions buying or selling MBIO?

In Q1 2026, 7 institutions opened or increased positions in MUSTANG BIO INC while 6 reduced or exited — a net buying quarter.

What is the Smart Money Verdict on MBIO?

The Smart Money Verdict combines four independent sources (institutional 13F activity, insider trades, activist filings, and congressional trades) into a single assessment for MUSTANG BIO INC.

How many hedge funds hold MBIO?

17 institutional investors report holding MUSTANG BIO INC (MBIO) as of Q1 2026, based on SEC 13F filings.

Is institutional money flowing into MBIO?

As of Q1 2026, tracked institutions in MUSTANG BIO INC show 7 buyers versus 6 sellers — net inflows.

MUSTANG BIO INC

MBIO·62818Q302·US·Common Stock·Healthcare - Biotechnology-Activist

Holders

Avg rating(2 Elite)

$353,198

Total Value

54% (20)

Fund Consensus

7 buying - 6 selling

Smart Money Verdict

View all

Held by 17 funds

2 elite

Who's Trading

InsiderLMLitchman Manuel MDTax 19 shApr 24, 2026

ActivistFBFortress Biotech, Inc.8.0%Jan 5, 2026

InsiderCJChill Adam J.Sell $3.82Dec 30, 2025

InsiderJDJin DavidBuy $237.61Dec 30, 2025

InsiderHNHerskowitz NeilSell $237.61Dec 30, 2025

ActivistMPMitchell P. Kopin5.0%Aug 12, 2025

ActivistARArmistice Capital, LLC5.0%May 15, 2025

View all insider trades View all activist filings

13F: Mar 31, 2026Insider & Congress: Updated regularly

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
Kestra Advisory Services, LLC	Increased	176,042(+58.5%)	$128,159	0.0%	-40.45%	32
GEODE CAPITAL MANAGEMENT, LLC	Increased	92,790(+187.4%)	$67,550	0.0%	-99.07%	23
BlackRock, Inc.	Unchanged	84,745	$61,695	0.0%	-59.35%	0
CITADEL ADVISORS LLC	Decreased	53,200(-37.2%)	$38,730	0.0%	-26.32%	0
VFVANGUARD FIDUCIARY TRUST CO	New	32,120	$23,383	0.0%	-24.73%	29
VAVANGUARD CAPITAL MANAGEMENT LLC	New	25,704	$18,713	0.0%	-24.73%	28
TWO SIGMA INVESTMENTS, LP	Decreased	16,754(-58.1%)	$12,197	0.0%	-26.32%	0
UBS Group AG	Increased	3,659(+8215.9%)	$2,664	0.0%	-32.71%	14
MORGAN STANLEY	Decreased	118(-22.9%)	$86	0.0%	-95.65%	0
CULLEN/FROST BANKERS, INC.	Unchanged	13	$9	0.0%	-26.32%	0
BNP PARIBAS FINANCIAL MARKETS	Unchanged	6	$4	0.0%	-92.47%	0
MAI Capital Management	Unchanged	3	$3	0.0%	-26.32%	0
JPMORGAN CHASE & CO	Unchanged	2	$1	0.0%	-92.47%	0
OSAIC HOLDINGS, INC.	New	2	$1	0.0%	-24.73%	17
CITIGROUP INC	New	1	$1	0.0%	-24.73%	17
DANSKE BANK A/S	Unchanged	2	$1	0.0%	-47.37%	0
GROUP ONE TRADING LLC	Unchanged	1	$1	0.0%	-99.96%	0
BANK OF AMERICA CORP /DE/	Exited	0(-100.0%)	$53	0.0%	-74.62%	0
XTX Topco Ltd	Exited	0(-100.0%)	$23,616	0.0%	-35.13%	0
JANE STREET GROUP, LLC	Exited	0(-100.0%)	$13,858	0.0%	-2.11%	0