Altimmune (ALT) Ownership - Who Owns Altimmune?

3,678 Followers

Altimmune (ALT) Ownership Overview

0.45% Insiders

8.62% Mutual Funds

3.26% Other Institutional Investors

11.71% ETFs

75.96% Public Companies and Individual Investors

The ownership structure of Altimmune (ALT) stock is a mix of institutional, retail, and individual investors. Approximately 23.59% of the company’s stock is owned by Institutional Investors, 0.45% is owned by Insiders, and 75.96% 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 11.88% of the company’s stock is owned by Institutional Investors, 0.45% is owned by Insiders, and 11.71% 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	Gregory Weaver	xxxxxxxxxxxxx	$17700

Show More Insider Trading Activity >

Recent Hedge Fund Trading Activity

Date	Firm	Activity	Value

Show More Hedge Fund Trading Activity >

Top Shareholders

# of Shares	Type	% Holding	Value
9,678,079	Institution	4.98%	26,227,594
6,196,122	Institution	3.19%	16,791,491
5,522,765	Institution	2.84%	14,966,693
4,947,086	Institution	2.54%	13,406,603
2,462,930	Institution	1.27%	6,674,540
1,802,345	Institution	0.93%	4,884,355
1,055,174	Institution	0.54%	2,859,522
1,007,471	Institution	0.52%	2,730,246
972,085	Institution	0.50%	2,634,350
780,507	Institution	0.40%	2,115,174

Top Mutual Fund Holders

# of Shares	Type	% Holding	Value
5,522,765	Institution	2.84%	14,966,693
2,462,930	Institution	1.27%	6,674,540
1,802,345	Institution	0.93%	4,884,355
1,055,174	Institution	0.54%	2,859,522
1,007,471	Institution	0.52%	2,730,246
972,085	Institution	0.50%	2,634,350
780,507	Institution	0.40%	2,115,174
663,391	Institution	0.34%	1,797,790
527,868	Institution	0.27%	1,430,522
343,707	Institution	0.18%	931,446

Top ETF Holders

Holder	# of Shares	Type	% Holding	Value
Vanguard Total Stock Market ETF	6,183,071	Institution	3.18%	16,075,985
SPDR S&P BIOTECH ETF	4,713,699	Institution	2.42%	13,764,001
iShares Russell 2000 ETF	3,059,248	Institution	1.57%	8,290,562
Vanguard Extended Market ETF	2,137,286	Institution	1.10%	5,556,944
iShares Biotechnology ETF	1,332,848	Institution	0.69%	3,612,018
iShares Russell 2000 Growth ETF	1,061,639	Institution	0.55%	2,877,042
Vanguard Russell 2000 ETF	659,221	Institution	0.34%	1,713,975
Fidelity Enhanced Small Cap ETF	622,207	Institution	0.32%	1,816,844
Vanguard Health Care ETF	567,600	Institution	0.29%	1,475,760
iShares Micro-Cap ETF	338,855	Institution	0.17%	918,297

FAQ

Who Owns Altimmune (ALT)?

According to the latest TipRanks data, approximately 3.26% of the company's stock is held by institutional investors, 0.45% is held by insiders, and 75.96% is held by retail investors.

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

According to the latest TipRanks data, approximately 3.26% 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 75.96% 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.