Mustang Bio Ownership | Who Owns Mustang Bio?

Mustang Bio Ownership Summary

Mustang Bio is owned by 0.70% institutional investors, 4.30% insiders, and 95.00% retail investors. Kestra advisory services is the largest institutional shareholder, holding 0.36% of MBIO shares. Fidelity Extended Market Index is the top mutual fund, with 1.11% of its assets in Mustang Bio shares.

MBIO Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Mustang Bio	0.70%	4.30%	95.00%
Sector	Healthcare Stocks	35.58%	11.87%	52.55%
Industry	Biotech Stocks	35.75%	11.83%	52.41%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Kestra advisory services	176.04K	0.36%	$128.16K
Geode capital management	92.79K	0.19%	$67.55K
Blackrock funding, inc. /de	84.75K	0.17%	$61.70K
Citadel advisors	53.20K	0.11%	$38.73K
Vanguard fiduciary trust	32.12K	0.07%	$23.38K
Cfo4life group	20.46K	0.04%	$14.90K
Two sigma investments, lp	16.75K	0.03%	$12.20K
Ubs group	3.66K	0.01%	$2.66K
Tower research capital llc (trc)	1.90K	0.00%	$1.38K
Sbi securities	509.00	0.00%	$371.00

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Cfo4life group	20.46K	0.00%	$14.90K
Kestra advisory services	176.04K	0.00%	$128.16K
Drw securities	-	-	-
Cwm	2.00	-	$1.00
Tower research capital llc (trc)	1.90K	-	$1.38K
Advisor group	2.00	-	$1.00
Two sigma investments, lp	16.75K	-	$12.20K
Jane street group	-	-	-
Cullen/frost bankers	13.00	-	$9.00
Gsa capital partners llp	-	-	-

Top Buyers

Holder	Shares	% Assets	Change
Kestra advisory services	176.04K	0.00%	65.00K
Geode capital management	92.79K	-	60.51K
Vanguard fiduciary trust	32.12K	-	32.12K
Cfo4life group	20.46K	0.00%	7.50K
Ubs group	3.66K	-	3.62K

Top Sellers

Holder	Shares	% Assets	Change
Drw securities	-	-	-73.94K
Citadel advisors	53.20K	-	-31.57K
Xtx topco	-	-	-24.07K
Two sigma investments, lp	16.75K	-	-23.28K
Jane street group	-	-	-14.13K

New Positions

Holder	Shares	% Assets	Change	Value
Vanguard fiduciary trust	32.12K	-	32.12K	$23.38K
Cwm	2.00	-	2.00	$1.00
Advisor group	2.00	-	2.00	$1.00

Sold Out

Holder	Change
Harbour investments	-76.00
Gsa capital partners llp	-12.83K
Jane street group	-14.13K
Xtx topco	-24.07K
Drw securities	-73.94K

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Mar 31, 2026	15	-37.50%	343,270	-37.81%	-	0.89%	7	-46.15%	1	-66.67%
Dec 31, 2025	24	26.32%	551,966	96.71%	8	43.76%	13	18.18%	3	-
Sep 30, 2025	19	18.75%	280,604	277.86%	4	291.68%	11	57.14%	3	-
Jun 30, 2025	16	6.67%	74,262	-34.78%	1	31.35%	7	133.33%	3	-75.00%
Mar 31, 2025	15	-46.43%	113,859	-97.56%	1	85.65%	3	-81.25%	12	500.00%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Fidelity Extended Market Index	84.45K	1.11%	53.51K
Extended Equity Market Fund E	83.37K	1.10%	-
Blackrock Extended Mkt Fund CF	83.37K	1.10%	-
Extended Equity Market Fund B	83.37K	1.10%	-
Extended Equity Market Fund K	70.98K	0.94%	-520.00
BlackRock Extended Equity Market Fund K	70.98K	0.94%	-520.00
Vanguard Institutional Extnd Mkt Idx Tr	25.70K	0.34%	-
Extended Equity Market Fund M	8.34K	0.11%	279.00
Antecedo Defensive Growth I	46.67K	0.07%	-
Fidelity Series Total Market Index	4.18K	0.06%	-

Recent Insider Transactions

Date	Name	Role	Activity	Value
Dec 30, 2025	Herskowitz Neil	-	Sell	$237.61
Dec 30, 2025	Chill Adam J.	-	Sell	$3.82
Dec 30, 2025	Jin David	-	Buy	$237.61
Mar 18, 2022	Litchman Manuel MD	-	Buy	$3.69K
Sep 13, 2022	Litchman Manuel MD	-	Buy	$2.58K

Insider Transactions Trends

Date	Buy	Sell
2025 Q4	1	2
2025 Q3	-	-
2025 Q2	-	-
2025 Q1	-	-
2024 Q4	-	-

MBIO Ownership FAQ

Who Owns Mustang Bio?

Mustang Bio shareholders are primarily institutional investors at 0.70%, followed by 4.30% insiders and 95.00% retail investors. The average institutional ownership in Mustang Bio's industry, Biotech Stocks , is 35.75%, which Mustang Bio falls below.

Who owns the most shares of Mustang Bio?

Mustang Bio’s largest shareholders are Kestra advisory services (176.04K shares, 0.36%), Geode capital management (92.79K shares, 0.19%), and Blackrock funding, inc. /de (84.74K shares, 0.17%). Together, they hold 0.72% of Mustang Bio’s total shares outstanding.

Does Blackrock own Mustang Bio?

BlackRock is not among the top 10 institutional shareholders of Mustang Bio.

Who is Mustang Bio’s biggest shareholder by percentage of total assets invested?

Cfo4life group is Mustang Bio’s biggest shareholder by percentage of total assets invested, with 0.00% of its assets in 20.46K Mustang Bio shares, valued at 14.9K$.

Who is the top mutual fund holder of Mustang Bio shares?

Fidelity Extended Market Index is the top mutual fund holder of Mustang Bio shares, with 1.11% of its total shares outstanding invested in 84.45K Mustang Bio shares.

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