MILLENNIUM MANAGEMENT LLC

Position in ALT — Altimmune, Inc.

CIK 1273087 NEW YORK, NY

Back to ALT Full portfolio

Position in ALT

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$10,059,730

+$24,502 QoQ

Shares Held

3,309,122

+1.6% QoQ

Ownership

1.70%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

#12

of 210 holders

Holding Since

Jun 2020

25 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Common Shares in ALT Over Time

Shares Held

Position Value (USD)

Derivatives in ALT

reported options exposure · as of Jun 30, 2025

CallValue

$63,855

CallShares

16,500

PutValue

$387,000

PutShares

100,000

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Biotechnology

Healthcare · as of Jun 30, 2026

MILLENNIUM MANAGEMENT LLC holds $4,631,421,099 across 322 Biotechnology names. ALT ranks #111 (0.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	VRTX	Vertex Pharmaceuticals Inc / Ma	468,410	$232,673,299
2	INSM	INSMED Inc	2,048,005	$218,358,293
3	APGE	Apogee Therapeutics, Inc.	1,491,404	$197,954,052
4	JAZZ	Jazz Pharmaceuticals plc	763,880	$184,072,163
5	ONC	BeOne Medicines Ltd.	543,323	$154,830,755
6	AXSM	Axsome Therapeutics, Inc.	556,088	$136,113,659
7	BMRN	Biomarin Pharmaceutical Inc	2,071,816	$118,549,311
8	REGN	Regeneron Pharmaceuticals, Inc.	165,120	$102,958,924

All Filings in ALT

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37 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$10,059,730	3,309,122	+1.6%	Shares	Sole	2026-08-14
2026-03-31	$10,035,228	3,258,191	+1471.1%	Shares	Sole	2026-05-15
2025-12-31	$748,652	207,383	-43.6%	Shares	Sole	2026-02-17
2025-09-30	$1,385,784	367,582	+369.5%	Shares	Sole	2025-11-14
2025-06-30	$387,000	100,000	+100.0%	Put	Sole	2025-08-14
2025-06-30	$302,997	78,294	-93.0%	Shares	Sole	2025-08-14
2025-06-30	$63,855	16,500	-93.4%	Call	Sole	2025-08-14
2025-03-31	$5,556,495	1,111,299	+221.5%	Shares	Sole	2025-05-15
2025-03-31	$1,250,000	250,000	+525.0%	Call	Sole	2025-05-15
2025-03-31	$250,000	50,000	+66.7%	Put	Sole	2025-05-15
2024-12-31	$2,492,042	345,637	+231.9%	Shares	Sole	2025-02-14
2024-09-30	$245,600	40,000	-87.7%	Call	Sole	2024-11-14
2024-09-30	$639,499	104,153	+679.9%	Shares	Sole	2024-11-14
2024-06-30	$88,810	13,355	-99.2%	Shares	Sole	2024-08-14
2024-03-31	$16,187,727	1,590,150	+813.1%	Shares	Sole	2024-05-15
2023-12-31	$1,959,086	174,141	+79.1%	Shares	Sole	2024-02-14
2023-09-30	$252,805	97,233	-89.7%	Shares	Sole	2023-11-14
2023-06-30	$3,325,591	942,094	-11.9%	Shares	Sole	2023-08-14
2023-03-31	$4,510,103	1,068,745	+638.4%	Shares	Sole	2023-05-15
2023-03-31	$1,371,500	325,000	+441.7%	Call	Sole	2023-05-15
2023-03-31	$126,600	30,000	-82.9%	Put	Sole	2023-05-15
2022-12-31	$2,380,940	144,738	-71.4%	Shares	Sole	2023-02-14
2022-09-30	$6,458,133	505,727	-38.7%	Shares	Sole	2022-11-14
2022-06-30	$9,648,381	824,648	+18.3%	Shares	Sole	2022-08-15
2022-03-31	$4,245,704	697,160	+540.4%	Shares	Sole	2022-05-16
2021-12-31	$997,139	108,858	-21.3%	Shares	Sole	2022-02-14
2021-09-30	$678,600	60,000	+200.0%	Call	Sole	2021-11-15
2021-09-30	$1,563,652	138,254	-81.1%	Shares	Sole	2021-11-15
2021-06-30	$1,723,750	175,000	+25.0%	Put	Sole	2021-08-16
2021-06-30	$197,000	20,000	-60.0%	Call	Sole	2021-08-16
2021-03-31	$706,500	50,000	-66.7%	Call	Sole	2021-05-17
2021-03-31	$1,978,200	140,000	—	Put	Sole	2021-05-17
2021-03-31	$10,353,644	732,742	+94.3%	Shares	Sole	2021-05-17
2020-12-31	$4,254,680	377,188	+35.6%	Shares	Sole	2021-02-16
2020-09-30	$3,672,807	278,243	-45.1%	Shares	Sole	2020-11-16
2020-06-30	$1,606,500	150,000	—	Call	Sole	2020-08-14
2020-06-30	$5,424,872	506,524	—	Shares	Sole	2020-08-14
No filing history on record for this holder in this stock.