Altimmune (ALT.US) Shareholders - Institutional Holders, Major Shareholders & Insiders | Longbridge

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Shareholder Type

Institutions62.49%
Public and others22.02%
VC/PE firms15.04%
Individuals & Insiders0.45%

Major Shareholders

Major Shareholders Latest
Shareholder
BlackRock, Inc.	10.48%	20.39M	0.65%	+7.59M	06/30/2026
BlackRock, Inc.	10.48%	20.39M	0.65%	+7.59M	06/30/2026
Deep Track Capital, LP	9.98%	19.42M	--	+19.42M	04/23/2026
Deep Track Capital, LP	9.90%	19.25M	--	+19.25M	06/30/2026
State Street Investment Management	6.22%	12.10M	0.73%	+4.95M	06/30/2026
State Street Investment Management	6.22%	12.10M	0.73%	+4.95M	06/30/2026
TCG Crossover Management, LLC	5.14%	10.00M	--	+10.00M	04/24/2026
TCG Crossover Management, LLC	5.14%	10.00M	--	+10.00M	06/30/2026
Vanguard Capital Management, LLC	4.87%	9.47M	0.14%	+2.94M	06/30/2026
Vanguard Capital Management, LLC	4.87%	9.47M	0.14%	+2.94M	06/30/2026
Vanguard Portfolio Management, LLC	3.77%	7.33M	0.36%	+1.95M	06/30/2026
Vanguard Portfolio Management, LLC	3.77%	7.33M	0.36%	+1.95M	06/30/2026
Marshall Wace LLP	3.52%	6.84M	0.43%	+2.82M	06/30/2026
Marshall Wace LLP	3.52%	6.84M	0.43%	+2.82M	06/30/2026
Viking Global Investors LP	3.44%	6.70M	--	+6.70M	04/24/2026
Viking Global Investors LP	3.44%	6.70M	--	+6.70M	06/30/2026
RA Capital Management, L.P.	3.34%	6.50M	--	+6.50M	04/24/2026
RA Capital Management, L.P.	3.34%	6.50M	--	+6.50M	06/30/2026
Geode Capital Management, LLC	2.58%	5.01M	0.19%	+1.90M	06/30/2026
Geode Capital Management, LLC	2.58%	5.01M	0.19%	+1.90M	06/30/2026