Altimmune (ALT) Ownership - Who Owns Altimmune?

3,637 Followers

Altimmune (ALT) Ownership Overview

0.67% Insiders

11.30% Mutual Funds

0.22% Other Institutional Investors

13.81% ETFs

74.00% Public Companies and Individual Investors

The ownership structure of Altimmune (ALT) stock is a mix of institutional, retail, and individual investors. Approximately 25.33% of the company’s stock is owned by Institutional Investors, 0.67% is owned by Insiders, and 74.00% 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 11.52% of the company’s stock is owned by Institutional Investors, 0.67% is owned by Insiders, and 13.81% 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	Jerome Benedict Durso	xxxxxxxxxxxxx	$47100
Apr 01, 2026	Gregory Weaver	xxxxxxxxxxxxx	$31400
Mar 09, 2026	Jerome Benedict Durso	xxxxxxxxxxxxx	$70600

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Recent Hedge Fund Trading Activity

Date	Firm	Activity	Value

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Top Shareholders

# of Shares	Type	% Holding	Value
5,769,015	Institution	4.44%	18,633,918
5,265,306	Institution	4.05%	17,006,938
5,041,366	Institution	3.88%	16,283,612
4,422,826	Institution	3.40%	14,285,728
2,200,209	Institution	1.69%	7,106,675
1,802,345	Institution	1.39%	5,821,574
1,007,471	Institution	0.77%	3,254,131
937,922	Institution	0.72%	3,029,488
891,037	Institution	0.69%	2,878,050
663,391	Institution	0.51%	2,142,753

Top Mutual Fund Holders

# of Shares	Type	% Holding	Value
4,422,826	Institution	3.40%	14,285,728
2,200,209	Institution	1.69%	7,106,675
1,802,345	Institution	1.39%	5,821,574
1,007,471	Institution	0.77%	3,254,131
937,922	Institution	0.72%	3,029,488
891,037	Institution	0.69%	2,878,050
663,391	Institution	0.51%	2,142,753
550,500	Institution	0.42%	1,778,115
478,063	Institution	0.37%	1,544,143
300,000	Institution	0.23%	969,000

Top ETF Holders

Holder	# of Shares	Type	% Holding	Value
SPDR S&P BIOTECH ETF	4,818,331	Institution	3.70%	16,285,959
Vanguard Total Stock Market ETF	3,278,071	Institution	2.52%	14,128,486
iShares Russell 2000 ETF	3,035,808	Institution	2.33%	9,836,018
Vanguard Extended Market ETF	1,145,744	Institution	0.88%	4,938,157
iShares Russell 2000 Growth ETF	1,063,011	Institution	0.82%	3,444,156
iShares Biotechnology ETF	933,351	Institution	0.72%	3,024,057
Fidelity Enhanced Small Cap ETF	582,906	Institution	0.45%	1,970,222
Vanguard Russell 2000 ETF	438,830	Institution	0.34%	1,891,357
Dimensional U.S. Small Cap ETF	414,821	Institution	0.32%	1,402,095
iShares Micro-Cap ETF	326,855	Institution	0.25%	1,059,010

FAQ

Who Owns Altimmune Inc (ALT)?

According to the latest TipRanks data, approximately 0.22% of the company's stock is held by institutional investors, 0.67% is held by insiders, and 74.00% is held by retail investors.

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

According to the latest TipRanks data, approximately 0.22% of Altimmune Inc (ALT) stock is held by institutional investors.

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

According to the latest TipRanks data, approximately 74.00% of Altimmune Inc (ALT) stock is held by retail investors.

Who owns the most shares of Altimmune Inc (ALT)?

iShares owns the most shares of Altimmune Inc (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.