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Altimmune (ALT) Ownership - Who Owns Altimmune?

3,694 Followers

Altimmune (ALT) Ownership Overview

3.29% Other Institutional Investors

13.68% ETFs

73.24% Public Companies and Individual Investors

The ownership structure of Altimmune (ALT) stock is a mix of institutional, retail, and individual investors. Approximately 26.31% of the company’s stock is owned by Institutional Investors, 0.45% is owned by Insiders, and 73.24% is owned by Public Companies and Individual Investors.

The ownership structure of Altimmune (ALT) stock is a mix of institutional, retail, and individual investors. Approximately 12.63% of the company’s stock is owned by Institutional Investors, 0.45% is owned by Insiders, and 13.68% is owned by Public Companies and Individual Investors.

Recent Insider Trading Activity

Date	Name	Activity	Value
Apr 06, 2026	John Gill	xxxxxxxxxxxxx	$31280
Apr 01, 2026	Gregory Weaver	xxxxxxxxxxxxx	$31400
Apr 01, 2026	Jerome Benedict Durso	xxxxxxxxxxxxx	$47100
Mar 09, 2026	Jerome Benedict Durso	xxxxxxxxxxxxx	$70600

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Recent Hedge Fund Trading Activity

Date	Firm	Activity	Value

Show More Hedge Fund Trading Activity >

Top Shareholders

# of Shares	Type	% Holding	Value
9,693,444	Institution	4.98%	27,335,512
8,399,551	Institution	4.32%	23,686,734
6,402,671	Institution	3.29%	18,055,532
5,522,765	Institution	2.84%	15,574,197
2,462,930	Institution	1.27%	6,945,463
2,308,646	Institution	1.19%	6,510,382
1,409,835	Institution	0.72%	3,975,735
1,213,513	Institution	0.62%	3,422,107
1,081,469	Institution	0.56%	3,049,743
780,507	Institution	0.40%	2,201,030

Top Mutual Fund Holders

# of Shares	Type	% Holding	Value
5,522,765	Institution	2.84%	15,574,197
2,462,930	Institution	1.27%	6,945,463
2,308,646	Institution	1.19%	6,510,382
1,409,835	Institution	0.72%	3,975,735
1,213,513	Institution	0.62%	3,422,107
1,081,469	Institution	0.56%	3,049,743
780,507	Institution	0.40%	2,201,030
663,391	Institution	0.34%	1,870,763
527,868	Institution	0.27%	1,488,588
351,661	Institution	0.18%	991,684

Top ETF Holders

Holder	# of Shares	Type	% Holding	Value
SPDR S&P BIOTECH ETF	8,162,592	Institution	4.20%	23,753,143
Vanguard Total Stock Market ETF	6,183,071	Institution	3.18%	18,858,367
iShares Russell 2000 ETF	3,067,046	Institution	1.58%	9,047,786
Vanguard Extended Market ETF	2,139,777	Institution	1.10%	6,526,320
iShares Biotechnology ETF	1,271,323	Institution	0.65%	3,750,403
iShares Russell 2000 Growth ETF	1,063,011	Institution	0.55%	3,135,882
Vanguard Russell 2000 ETF	670,084	Institution	0.34%	2,043,756
Fidelity Enhanced Small Cap ETF	635,467	Institution	0.33%	1,849,209
Vanguard Health Care ETF	567,179	Institution	0.29%	1,729,896
iShares Core S&P Total U.S. Stock Market ETF	354,943	Institution	0.18%	1,047,082

FAQ

Who Owns Altimmune (ALT)?

According to the latest TipRanks data, approximately 3.29% of the company's stock is held by institutional investors, 0.45% is held by insiders, and 73.24% is held by retail investors.

What percentage of Altimmune (ALT) stock is held by institutional investors?

According to the latest TipRanks data, approximately 3.29% of Altimmune (ALT) stock is held by institutional investors.

What percentage of Altimmune (ALT) stock is held by retail investors?

According to the latest TipRanks data, approximately 73.24% of Altimmune (ALT) stock is held by retail investors.

Who owns the most shares of Altimmune (ALT)?

Vanguard owns the most shares of Altimmune (ALT).

What is the significance of the ownership structure for a publicly traded company?

The ownership structure can impact the company's decision making, as large institutional investors may exert influence on the company's management and can also affect the company's stock price with their buying and selling patterns.