Cormorant Asset Management, LP

Position in ALT — Altimmune, Inc.

CIK 1583977 BOSTON, MA

Back to ALT Full portfolio

Position in ALT

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

Position Value

$3,800,000

-$38,970,000 QoQ

Shares Held

1,250,000

-51.9% QoQ

Ownership

0.643%

of shares outstanding

% of Portfolio

0.19%

of 13F equity value

Holder Rank

#22

of 210 holders

Holding Since

Jun 2022

4 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 Dec 31, 2022

CallValue

$6,580,000

CallShares

400,000

PutValue

PutShares

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

Cormorant Asset Management, LP holds $1,889,506,429 across 46 Biotechnology names. ALT ranks #42 (0.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	PRAX	Praxis Precision Medicines, Inc.	640,000	$214,265,600
2	BBOT	BridgeBio Oncology Therapeutics, Inc.	17,878,594	$136,234,886
3	PBLS	Parabilis Medicines, Inc.	4,615,612	$126,329,300
4	RAPP	Rapport Therapeutics, Inc.	2,657,521	$110,738,900
5	ERAS	Erasca, Inc.	6,000,000	$109,920,000
6	EWTX	Edgewise Therapeutics, Inc.	2,510,000	$101,981,300
7	EYPT	EyePoint, Inc.	7,000,000	$100,100,000
8	ALMS	Alumis Inc.	3,285,596	$92,456,671

All Filings in ALT

Export CSV

5 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$3,800,000	1,250,000	-51.9%	Shares	Defined	2026-08-14
2022-12-31	$6,580,000	400,000	—	Call	Defined	2023-02-14
2022-12-31	$42,770,000	2,600,000	-24.5%	Shares	Defined	2023-02-14
2022-09-30	$43,965,360	3,442,863	+14.8%	Shares	Defined	2022-11-14
2022-06-30	$35,100,000	3,000,000	—	Shares	Defined	2022-08-15
No filing history on record for this holder in this stock.