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Altimmune

173 hedge funds and large institutions have $191M invested in Altimmune in 2025 Q1 according to their latest regulatory filings, with 25 funds opening new positions, 54 increasing their positions, 52 reducing their positions, and 29 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more funds holding in top 10

Funds holding in top 10:

less funds holding

Funds holding:

7.34% less ownership

Funds ownership: 56.87%49.53% (-7.3%)

14% less first-time investments, than exits

New positions opened: 25 | Existing positions closed: 29

35% less capital invested

Capital invested by funds: $292M → $191M (-$101M)

Holders
173
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
1
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$13.5M
Puts
$10.3M
Net Calls
Net Calls Change

Top Sellers

1 -$19.1M
2 -$4.87M
3 -$3.28M
4
D.E. Shaw & Co
D.E. Shaw & Co
New York
-$2.05M
5
Morgan Stanley
Morgan Stanley
New York
-$1.32M
Name Holding Trade Value Shares
Change
Change in
Stake
76
$154K
77
$154K
78
$150K
79
$149K
80
$138K
81
$126K
82
$125K
83
$125K
84
$124K
85
$114K
86
$111K
87
$109K
88
$108K
89
$108K
90
$107K
91
$104K
92
$104K
93
$102K
94
$100K
95
$100K
96
$99.1K
97
$98.4K
98
$95.7K
99
$95.6K
100
$94.8K