Altimmune Stock Short Interest Report | NASDAQ:ALT

Altimmune Inc Short Interest Report

ALTNASDAQ

Trade with Public

$2.63

-0.11-4.01%

At close: Apr 29, 5:00 PM EST

$2.65

0.01960.75%

After Hours: 5:58 PM EST

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Altimmune Stock Short Interest Report | NASDAQ:ALT | Benzinga

Short interest in Altimmune Inc (NASDAQ:ALT) decreased during the last reporting period, falling from 29.25M to 28.73M. This put 22.13% of the company's publicly available shares short.

Based on the recent average volume of 2.10M shares traded per day, it would take 13.71 day(s) for holders of this short interest to close out their positions without sending the stock sharply higher.

Short Interest

28.73M

Short Interest %

22.1%

Days to Cover

13.71

									Get Alert
ALT	Altimmune, Inc. Common Stock	04/15/2026	04/24/2026	22.13%	129,866,629	28,734,631	2,095,235	13.71	Get Alert
ALT	Altimmune, Inc. Common Stock	03/31/2026	04/10/2026	22.52%	129,866,629	29,248,014	3,820,795	7.65	Get Alert
ALT	Altimmune, Inc. Common Stock	03/13/2026	03/24/2026	20.39%	129,866,629	26,485,081	3,807,152	6.96	Get Alert
ALT	Altimmune, Inc. Common Stock	02/27/2026	03/10/2026	20.46%	124,600,606	25,499,023	2,556,547	9.97	Get Alert
ALT	Altimmune, Inc. Common Stock	02/13/2026	02/25/2026	20.17%	124,600,606	25,131,694	3,471,785	7.24	Get Alert
ALT	Altimmune, Inc. Common Stock	01/30/2026	02/10/2026	19.39%	124,600,606	24,163,422	6,907,580	3.5	Get Alert
ALT	Altimmune, Inc. Common Stock	01/15/2026	01/27/2026	23.54%	112,202,686	26,407,860	6,232,330	4.24	Get Alert
ALT	Altimmune, Inc. Common Stock	12/31/2025	01/12/2026	24.89%	103,711,474	25,810,012	5,502,996	4.69	Get Alert
ALT	Altimmune, Inc. Common Stock	12/15/2025	12/24/2025	22.87%	103,711,474	23,718,017	3,799,388	6.24	Get Alert
ALT	Altimmune, Inc. Common Stock	11/28/2025	12/09/2025	22.33%	103,711,474	23,157,756	3,289,773	7.04	Get Alert
ALT	Altimmune, Inc. Common Stock	11/14/2025	11/25/2025	22.45%	103,711,474	23,285,097	3,270,364	7.12	Get Alert
ALT	Altimmune, Inc. Common Stock	10/31/2025	11/11/2025	21.00%	103,711,474	21,780,366	2,504,764	8.7	Get Alert
ALT	Altimmune, Inc. Common Stock	10/15/2025	10/24/2025	24.54%	87,626,342	21,503,786	2,968,083	7.25	Get Alert
ALT	Altimmune, Inc. Common Stock	09/30/2025	10/09/2025	29.89%	87,626,342	26,194,292	3,012,028	8.7	Get Alert
ALT	Altimmune, Inc. Common Stock	09/15/2025	09/24/2025	28.63%	87,626,342	25,084,923	1,905,221	13.17	Get Alert
ALT	Altimmune, Inc. Common Stock	08/29/2025	09/10/2025	30.55%	87,626,342	26,765,712	3,116,352	8.59	Get Alert
ALT	Altimmune, Inc. Common Stock	08/15/2025	08/26/2025	29.06%	87,626,342	25,460,460	2,783,367	9.15	Get Alert
ALT	Altimmune, Inc. Common Stock	07/31/2025	08/11/2025	32.00%	80,488,523	25,760,339	3,274,029	7.87	Get Alert
ALT	Altimmune, Inc. Common Stock	07/15/2025	07/24/2025	34.91%	80,488,523	28,097,407	6,493,878	4.33	Get Alert
ALT	Altimmune, Inc. Common Stock	06/30/2025	07/10/2025	38.74%	80,488,523	31,181,920	16,097,630	1.94	Get Alert
ALT	Altimmune, Inc. Common Stock	06/13/2025	06/25/2025	30.32%	80,488,523	24,400,612	4,062,158	6.01	Get Alert
ALT	Altimmune, Inc. Common Stock	05/30/2025	06/10/2025	27.31%	80,488,523	21,981,785	2,003,112	10.97	Get Alert
ALT	Altimmune, Inc. Common Stock	05/15/2025	05/27/2025	28.17%	80,488,523	22,671,188	2,792,011	8.12	Get Alert
ALT	Altimmune, Inc. Common Stock	04/30/2025	05/09/2025	31.83%	70,933,919	22,577,420	1,637,943	13.78	Get Alert
ALT	Altimmune, Inc. Common Stock	04/15/2025	04/25/2025	31.64%	70,933,919	22,441,494	2,487,162	9.02	Get Alert
ALT	Altimmune, Inc. Common Stock	03/31/2025	04/09/2025	30.75%	70,933,919	21,815,146	2,318,891	9.41	Get Alert
ALT	Altimmune, Inc. Common Stock	03/14/2025	03/25/2025	31.65%	70,933,919	22,452,019	3,767,036	5.96	Get Alert
ALT	Altimmune, Inc. Common Stock	02/28/2025	03/11/2025	30.54%	70,933,919	21,665,305	2,588,555	8.37	Get Alert
ALT	Altimmune, Inc. Common Stock	02/14/2025	02/26/2025	31.68%	70,933,919	22,472,098	1,851,006	12.14	Get Alert
ALT	Altimmune, Inc. Common Stock	01/31/2025	02/11/2025	32.87%	70,933,919	23,319,504	1,830,246	12.74	Get Alert
ALT	Altimmune, Inc. Common Stock	01/15/2025	01/27/2025	34.67%	70,933,919	24,593,816	2,706,971	9.09	Get Alert
ALT	Altimmune, Inc. Common Stock	12/31/2024	01/10/2025	33.40%	70,933,919	23,693,958	2,800,351	8.46	Get Alert
ALT	Altimmune, Inc. Common Stock	12/13/2024	12/24/2024	33.63%	70,933,919	23,854,914	3,913,674	6.1	Get Alert
ALT	Altimmune, Inc. Common Stock	11/29/2024	12/10/2024	33.04%	70,933,919	23,434,782	2,915,492	8.04	Get Alert
ALT	Altimmune, Inc. Common Stock	11/15/2024	11/26/2024	32.19%	70,933,919	22,836,787	5,325,051	4.29	Get Alert
ALT	Altimmune, Inc. Common Stock	10/31/2024	11/11/2024	32.36%	70,880,245	22,936,698	1,752,557	13.09	Get Alert
ALT	Altimmune, Inc. Common Stock	10/15/2024	10/24/2024	31.37%	70,880,245	22,234,476	1,744,144	12.75	Get Alert
ALT	Altimmune, Inc. Common Stock	09/30/2024	10/09/2024	31.60%	70,880,245	22,397,958	2,371,095	9.45	Get Alert
ALT	Altimmune, Inc. Common Stock	09/13/2024	09/24/2024	30.86%	70,880,245	21,874,221	2,511,594	8.71	Get Alert
ALT	Altimmune, Inc. Common Stock	08/30/2024	09/11/2024	31.04%	70,880,245	22,002,654	2,241,012	9.82	Get Alert
ALT	Altimmune, Inc. Common Stock	08/15/2024	08/26/2024	30.62%	70,880,245	21,700,563	2,488,071	8.72	Get Alert
ALT	Altimmune, Inc. Common Stock	07/31/2024	08/09/2024	31.62%	70,351,925	22,243,135	2,447,653	9.09	Get Alert
ALT	Altimmune, Inc. Common Stock	07/15/2024	07/24/2024	32.13%	70,351,925	22,605,773	3,165,534	7.14	Get Alert
ALT	Altimmune, Inc. Common Stock	06/28/2024	07/10/2024	31.61%	70,351,925	22,240,848	7,894,878	2.82	Get Alert
ALT	Altimmune, Inc. Common Stock	06/14/2024	06/26/2024	32.90%	70,351,925	23,143,297	2,429,725	9.53	Get Alert
ALT	Altimmune, Inc. Common Stock	05/31/2024	06/11/2024	33.37%	70,351,925	23,473,600	2,518,297	9.32	Get Alert
ALT	Altimmune, Inc. Common Stock	05/15/2024	05/24/2024	32.78%	70,351,925	23,064,510	3,043,412	7.58	Get Alert
ALT	Altimmune, Inc. Common Stock	04/30/2024	05/09/2024	31.71%	70,351,925	22,305,813	3,011,651	7.41	Get Alert

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									Get Alert
ALT	Altimmune, Inc. Common Stock	04/15/2026	04/24/2026	22.13%	129,866,629	28,734,631	2,095,235	13.71	Get Alert
ALT	Altimmune, Inc. Common Stock	03/31/2026	04/10/2026	22.52%	129,866,629	29,248,014	3,820,795	7.65	Get Alert
ALT	Altimmune, Inc. Common Stock	03/13/2026	03/24/2026	20.39%	129,866,629	26,485,081	3,807,152	6.96	Get Alert
ALT	Altimmune, Inc. Common Stock	02/27/2026	03/10/2026	20.46%	124,600,606	25,499,023	2,556,547	9.97	Get Alert
ALT	Altimmune, Inc. Common Stock	02/13/2026	02/25/2026	20.17%	124,600,606	25,131,694	3,471,785	7.24	Get Alert
ALT	Altimmune, Inc. Common Stock	01/30/2026	02/10/2026	19.39%	124,600,606	24,163,422	6,907,580	3.5	Get Alert
ALT	Altimmune, Inc. Common Stock	01/15/2026	01/27/2026	23.54%	112,202,686	26,407,860	6,232,330	4.24	Get Alert
ALT	Altimmune, Inc. Common Stock	12/31/2025	01/12/2026	24.89%	103,711,474	25,810,012	5,502,996	4.69	Get Alert
ALT	Altimmune, Inc. Common Stock	12/15/2025	12/24/2025	22.87%	103,711,474	23,718,017	3,799,388	6.24	Get Alert
ALT	Altimmune, Inc. Common Stock	11/28/2025	12/09/2025	22.33%	103,711,474	23,157,756	3,289,773	7.04	Get Alert
ALT	Altimmune, Inc. Common Stock	11/14/2025	11/25/2025	22.45%	103,711,474	23,285,097	3,270,364	7.12	Get Alert
ALT	Altimmune, Inc. Common Stock	10/31/2025	11/11/2025	21.00%	103,711,474	21,780,366	2,504,764	8.7	Get Alert
ALT	Altimmune, Inc. Common Stock	10/15/2025	10/24/2025	24.54%	87,626,342	21,503,786	2,968,083	7.25	Get Alert
ALT	Altimmune, Inc. Common Stock	09/30/2025	10/09/2025	29.89%	87,626,342	26,194,292	3,012,028	8.7	Get Alert
ALT	Altimmune, Inc. Common Stock	09/15/2025	09/24/2025	28.63%	87,626,342	25,084,923	1,905,221	13.17	Get Alert
ALT	Altimmune, Inc. Common Stock	08/29/2025	09/10/2025	30.55%	87,626,342	26,765,712	3,116,352	8.59	Get Alert
ALT	Altimmune, Inc. Common Stock	08/15/2025	08/26/2025	29.06%	87,626,342	25,460,460	2,783,367	9.15	Get Alert
ALT	Altimmune, Inc. Common Stock	07/31/2025	08/11/2025	32.00%	80,488,523	25,760,339	3,274,029	7.87	Get Alert
ALT	Altimmune, Inc. Common Stock	07/15/2025	07/24/2025	34.91%	80,488,523	28,097,407	6,493,878	4.33	Get Alert
ALT	Altimmune, Inc. Common Stock	06/30/2025	07/10/2025	38.74%	80,488,523	31,181,920	16,097,630	1.94	Get Alert
ALT	Altimmune, Inc. Common Stock	06/13/2025	06/25/2025	30.32%	80,488,523	24,400,612	4,062,158	6.01	Get Alert
ALT	Altimmune, Inc. Common Stock	05/30/2025	06/10/2025	27.31%	80,488,523	21,981,785	2,003,112	10.97	Get Alert
ALT	Altimmune, Inc. Common Stock	05/15/2025	05/27/2025	28.17%	80,488,523	22,671,188	2,792,011	8.12	Get Alert
ALT	Altimmune, Inc. Common Stock	04/30/2025	05/09/2025	31.83%	70,933,919	22,577,420	1,637,943	13.78	Get Alert
ALT	Altimmune, Inc. Common Stock	04/15/2025	04/25/2025	31.64%	70,933,919	22,441,494	2,487,162	9.02	Get Alert
ALT	Altimmune, Inc. Common Stock	03/31/2025	04/09/2025	30.75%	70,933,919	21,815,146	2,318,891	9.41	Get Alert
ALT	Altimmune, Inc. Common Stock	03/14/2025	03/25/2025	31.65%	70,933,919	22,452,019	3,767,036	5.96	Get Alert
ALT	Altimmune, Inc. Common Stock	02/28/2025	03/11/2025	30.54%	70,933,919	21,665,305	2,588,555	8.37	Get Alert
ALT	Altimmune, Inc. Common Stock	02/14/2025	02/26/2025	31.68%	70,933,919	22,472,098	1,851,006	12.14	Get Alert
ALT	Altimmune, Inc. Common Stock	01/31/2025	02/11/2025	32.87%	70,933,919	23,319,504	1,830,246	12.74	Get Alert
ALT	Altimmune, Inc. Common Stock	01/15/2025	01/27/2025	34.67%	70,933,919	24,593,816	2,706,971	9.09	Get Alert
ALT	Altimmune, Inc. Common Stock	12/31/2024	01/10/2025	33.40%	70,933,919	23,693,958	2,800,351	8.46	Get Alert
ALT	Altimmune, Inc. Common Stock	12/13/2024	12/24/2024	33.63%	70,933,919	23,854,914	3,913,674	6.1	Get Alert
ALT	Altimmune, Inc. Common Stock	11/29/2024	12/10/2024	33.04%	70,933,919	23,434,782	2,915,492	8.04	Get Alert
ALT	Altimmune, Inc. Common Stock	11/15/2024	11/26/2024	32.19%	70,933,919	22,836,787	5,325,051	4.29	Get Alert
ALT	Altimmune, Inc. Common Stock	10/31/2024	11/11/2024	32.36%	70,880,245	22,936,698	1,752,557	13.09	Get Alert
ALT	Altimmune, Inc. Common Stock	10/15/2024	10/24/2024	31.37%	70,880,245	22,234,476	1,744,144	12.75	Get Alert
ALT	Altimmune, Inc. Common Stock	09/30/2024	10/09/2024	31.60%	70,880,245	22,397,958	2,371,095	9.45	Get Alert
ALT	Altimmune, Inc. Common Stock	09/13/2024	09/24/2024	30.86%	70,880,245	21,874,221	2,511,594	8.71	Get Alert
ALT	Altimmune, Inc. Common Stock	08/30/2024	09/11/2024	31.04%	70,880,245	22,002,654	2,241,012	9.82	Get Alert
ALT	Altimmune, Inc. Common Stock	08/15/2024	08/26/2024	30.62%	70,880,245	21,700,563	2,488,071	8.72	Get Alert
ALT	Altimmune, Inc. Common Stock	07/31/2024	08/09/2024	31.62%	70,351,925	22,243,135	2,447,653	9.09	Get Alert
ALT	Altimmune, Inc. Common Stock	07/15/2024	07/24/2024	32.13%	70,351,925	22,605,773	3,165,534	7.14	Get Alert
ALT	Altimmune, Inc. Common Stock	06/28/2024	07/10/2024	31.61%	70,351,925	22,240,848	7,894,878	2.82	Get Alert
ALT	Altimmune, Inc. Common Stock	06/14/2024	06/26/2024	32.90%	70,351,925	23,143,297	2,429,725	9.53	Get Alert
ALT	Altimmune, Inc. Common Stock	05/31/2024	06/11/2024	33.37%	70,351,925	23,473,600	2,518,297	9.32	Get Alert
ALT	Altimmune, Inc. Common Stock	05/15/2024	05/24/2024	32.78%	70,351,925	23,064,510	3,043,412	7.58	Get Alert
ALT	Altimmune, Inc. Common Stock	04/30/2024	05/09/2024	31.71%	70,351,925	22,305,813	3,011,651	7.41	Get Alert