Altimmune (ALT) Ownership - Who Owns Altimmune?

3,660 Followers

Altimmune (ALT) Ownership Overview

0.45% Insiders

7.75% Mutual Funds

0.68% Other Institutional Investors

9.86% ETFs

81.26% Public Companies and Individual Investors

The ownership structure of Altimmune (ALT) stock is a mix of institutional, retail, and individual investors. Approximately 18.29% of the company’s stock is owned by Institutional Investors, 0.45% is owned by Insiders, and 81.26% 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 8.43% of the company’s stock is owned by Institutional Investors, 0.45% is owned by Insiders, and 9.86% 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

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Top Shareholders

# of Shares	Type	% Holding	Value
6,608,925	Institution	3.40%	20,355,489
5,815,736	Institution	2.99%	17,912,467
4,838,383	Institution	2.49%	14,902,220
4,422,826	Institution	2.28%	13,622,304
2,200,209	Institution	1.13%	6,776,644
1,802,345	Institution	0.93%	5,551,223
1,055,174	Institution	0.54%	3,249,936
1,007,471	Institution	0.52%	3,103,011
937,922	Institution	0.48%	2,888,800
730,631	Institution	0.38%	2,250,343

Top Mutual Fund Holders

# of Shares	Type	% Holding	Value
4,422,826	Institution	2.28%	13,622,304
2,200,209	Institution	1.13%	6,776,644
1,802,345	Institution	0.93%	5,551,223
1,055,174	Institution	0.54%	3,249,936
1,007,471	Institution	0.52%	3,103,011
937,922	Institution	0.48%	2,888,800
730,631	Institution	0.38%	2,250,343
663,391	Institution	0.34%	2,043,244
527,868	Institution	0.27%	1,625,833
300,000	Institution	0.15%	924,000

Top ETF Holders

Holder	# of Shares	Type	% Holding	Value
SPDR S&P BIOTECH ETF	4,687,030	Institution	2.41%	14,482,923
Vanguard Total Stock Market ETF	4,107,271	Institution	2.11%	12,650,395
iShares Russell 2000 ETF	3,068,717	Institution	1.58%	9,451,648
Vanguard Extended Market ETF	1,416,446	Institution	0.73%	4,362,654
iShares Russell 2000 Growth ETF	1,071,243	Institution	0.55%	3,299,428
iShares Biotechnology ETF	903,498	Institution	0.46%	2,782,774
Vanguard Russell 2000 ETF	641,948	Institution	0.33%	1,977,200
Fidelity Enhanced Small Cap ETF	604,702	Institution	0.31%	1,868,529
iShares Micro-Cap ETF	331,696	Institution	0.17%	1,021,624
Vanguard Health Care ETF	312,359	Institution	0.16%	962,066

FAQ

Who Owns Altimmune Inc (ALT)?

According to the latest TipRanks data, approximately 0.68% of the company's stock is held by institutional investors, 0.45% is held by insiders, and 81.26% is held by retail investors.

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

According to the latest TipRanks data, approximately 0.68% 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 81.26% of Altimmune Inc (ALT) stock is held by retail investors.

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

Vanguard 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.