PRICE T ROWE ASSOCIATES INC /MD/

Position in ALT — Altimmune, Inc.

CIK 80255 BALTIMORE, MD

Position in ALT

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$284,936

+$104,873 QoQ

Shares Held

92,512

+85.5% QoQ

Ownership

0.048%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Sep 2020

23 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Healthcare · as of Mar 31, 2026

PRICE T ROWE ASSOCIATES INC /MD/ holds $14,300,473,279 across 256 Biotechnology names. ALT ranks #206 (0.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ARGX	Argenx SE	3,374,955	$2,464,560,888
2	REGN	Regeneron Pharmaceuticals, Inc.	2,177,527	$1,682,444,460
3	VRTX	Vertex Pharmaceuticals Inc / Ma	1,760,122	$785,964,877
4	INSM	INSMED Inc	3,092,807	$505,735,799
5	KYMR	Kymera Therapeutics, Inc.	6,060,847	$504,807,946
6	ALNY	Alnylam Pharmaceuticals, Inc.	1,432,748	$474,053,330
7	ASND	Ascendis Pharma A/S	1,530,345	$350,035,811
8	RVMD	Revolution Medicines, Inc.	3,232,213	$314,332,713

23 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$284,936	92,512	+85.5%	Shares	Defined	2026-05-15
2025-12-31	$180,063	49,879	+20.2%	Shares	Defined	2026-02-17
2025-09-30	$156,428	41,493	+21.2%	Shares	Defined	2025-11-14
2025-06-30	$132,473	34,231	+8.7%	Shares	Defined	2025-08-14
2025-03-31	$157,390	31,478	+11.8%	Shares	Defined	2025-05-14
2024-12-31	$202,932	28,146	+17.3%	Shares	Defined	2025-02-14
2024-09-30	$147,286	23,988	+5.8%	Shares	Defined	2024-11-14
2024-06-30	$150,742	22,668	+48.8%	Shares	Defined	2024-08-14
2024-03-31	$155,122	15,238	+13.6%	Shares	Defined	2024-05-15
2023-12-31	$150,941	13,417	+33.5%	Shares	Defined	2024-02-16
2023-09-30	$26,122	10,047	-60.8%	Shares	Defined	2023-11-14
2023-06-30	$90,533	25,647	+29.5%	Shares	Defined	2023-08-14
2023-03-31	$83,556	19,800	-44.8%	Shares	Defined	2023-05-15
2022-12-31	$590,555	35,900	-73.3%	Shares	Defined	2023-02-14
2022-09-30	$1,719,020	134,614	+278.1%	Shares	Sole	2022-11-14
2022-06-30	$416,520	35,600	-8.8%	Shares	Sole	2022-08-15
2022-03-31	$237,832	39,053	+2.2%	Shares	Sole	2022-05-16
2021-12-31	$350,086	38,219	+18.3%	Shares	Sole	2022-02-14
2021-09-30	$365,527	32,319	+1.0%	Shares	Sole	2021-11-15
2021-06-30	$315,052	31,985	-33.5%	Shares	Sole	2021-08-16
2021-03-31	$679,653	48,100	+17.3%	Shares	Sole	2021-05-17
2020-12-31	$462,480	41,000	+150.0%	Shares	Sole	2021-02-16
2020-09-30	$216,480	16,400	—	Shares	Sole	2020-11-16
No filing history on record for this holder in this stock.