Altimmune, Inc. - Common Stock (ALT)

Historical Holders from Q3 2018 to Q3 2025

Symbol: ALT on Nasdaq
Type / Class: Equity / Common Stock
Shares outstanding: 80,702,987
All holders as of 30 Sep 2025: Q3 2025
Total 13F shares, excl. options: 41,476,255
Holdings value: $156,373,200
% of all portfolios: 0%
Number of holders: 157
Number of buys: 77
Number of sells: -90
Average buys %: +0%
Average sells %: -0%

Reported Shares, Excluding Options vs Price

Reported Value, Excluding Options

Total Investors

Significant Owners of Altimmune, Inc. - Common Stock (ALT)

Filer	Ownership	Change %	Holdings Value	Net Change	Nb Shares	Change %	Reporting Name	Report Period
BlackRock, Inc.	7.6%	-12%	$23,736,362	-$100,148	6,133,427	-0.42%	BlackRock, Inc.	30 Jun 2025
AMERIPRISE FINANCIAL INC	1.9%	-79%	$7,306,296	-$19,283,488	1,443,932	-73%	Ameriprise Financial, Inc.	31 Mar 2025

Institutional Holders of Altimmune, Inc. - Common Stock (ALT)

Period	Reported Shares, Excl. Options	Value, Excl. Options	Value Change	Puts Notional Value	Calls Notional Value	Price	Investors
2025 Q3	41,476,255	$156,373,200	+$14,303,370	$10,488,627	$14,288,271	$3.77	157
2025 Q2	37,594,851	$145,435,659	-$6,199,092	$16,140,617	$18,912,279	$3.87	179
2025 Q1	38,134,819	$190,969,777	-$15,358,703	$8,454,124	$9,914,076	$5	173
2024 Q4	40,453,394	$291,649,491	+$7,414,850	$10,123,975	$13,687,533	$7.21	180
2024 Q3	39,490,913	$242,642,286	-$19,754,298	$4,576,217	$5,476,555	$6.14	167
2024 Q2	42,376,353	$281,796,522	-$21,723,923	$3,870,300	$6,896,050	$6.65	173
2024 Q1	44,351,359	$451,471,154	+$108,533,821	$6,581,870	$11,181,712	$10.18	166
2023 Q4	33,518,969	$377,122,817	+$87,837,677	$9,898,875	$15,279,750	$11.25	142
2023 Q3	30,119,653	$78,312,976	-$14,266,982	$570,440	$1,469,520	$2.6	110
2023 Q2	35,266,907	$124,503,782	-$30,995,734	$626,302	$1,351,277	$3.53	118
2023 Q1	40,146,839	$169,418,214	-$115,027,226	$12,474,130	$22,449,650	$4.22	129
2022 Q4	46,782,400	$769,520,216	+$29,466,534	$4,787,035	$47,550,860	$16.45	122
2022 Q3	46,027,433	$587,716,469	+$80,574,668	$8,168,000	$38,608,541	$12.77	116
2022 Q2	39,903,915	$466,872,641	+$78,793,572	$1,258,000	$11,488,000	$11.7	102
2022 Q1	33,651,643	$207,371,526	+$5,868,022	$342,000	$4,638,000	$6.09	96
2021 Q4	32,470,413	$295,787,573	-$27,220,088	$4,881,000	$8,101,000	$9.16	98
2021 Q3	32,076,209	$363,055,937	+$59,058,531	$7,591,000	$24,781,000	$11.31	113
2021 Q2	27,191,172	$267,846,675	+$16,710,421	$7,891,000	$5,769,000	$9.85	102
2021 Q1	23,819,490	$336,535,131	+$49,552,065	$8,089,000	$9,466,000	$14.13	92
2020 Q4	20,471,521	$230,916,860	-$28,712,052	$5,683,000	$3,796,000	$11.28	83
2020 Q3	21,898,188	$289,049,000	+$115,723,197	$3,199,000	$4,822,000	$13.2	67
2020 Q2	13,311,955	$142,567,171	+$125,471,540	$1,029,000	$9,831,000	$10.71	53
2020 Q1	1,583,373	$5,082,210	+$1,206,160	$131,000	$475,000	$3.21	20
2019 Q4	1,281,842	$2,423,890	+$314,812	$0	$40,000	$1.89	21
2019 Q3	1,113,862	$2,171,952	+$159,903	$28,000	$39,000	$1.95	22
2019 Q2	1,032,457	$2,456,382	-$456,118	$37,000	$69,000	$2.37	15
2019 Q1	1,114,198	$3,229,903	+$1,231,709	$339,000	$329,000	$2.9	13
2018 Q4	806,802	$1,663,208	+$928,520		$61,000	$2.06	16
2018 Q3	193,862	$853,444	+$853,440			$4.4	7