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Altimmune
ALT

Overview Fund Activity

179 hedge funds and large institutions have $145M invested in Altimmune in 2025 Q2 according to their latest regulatory filings, with 39 funds opening new positions, 71 increasing their positions, 39 reducing their positions, and 31 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
179
Holders Change
+6
Holders Change %
+3.47%
% of All Funds
2.4%
Holding in Top 10
–
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-100%
% of All Funds
–
New
39
Increased
71
Reduced
39
Closed
31
Calls
$26.2M
Puts
$22.6M
Net Calls
+$3.63M
Net Calls Change
+$458K

Top Buyers

1
CM
Caption Management
Oklahoma
$3.8M
2
Vanguard Group
Vanguard Group
Pennsylvania
$20M
3
Federated Hermes
Federated Hermes
Pennsylvania
$3.54M
4
Susquehanna International Group
Susquehanna International Group
Pennsylvania
$6.27M
5
Citadel Advisors
Citadel Advisors
Florida
$2.03M

Top Sellers

1
BG
Bellevue Group
Switzerland
$0
2
Ameriprise
Ameriprise
Minnesota
$441K
3
Schroder Investment Management Group
Schroder Investment Management Group
United Kingdom
$0
4
Marshall Wace
Marshall Wace
United Kingdom
$85.5K
5
Millennium Management
Millennium Management
New York
$303K
Name Holding Trade Value Shares
Change 		Shares
Change %
CIAM
26
Caitong International Asset Management
Hong Kong
$927K +$924K +238,693 +25,474%
Charles Schwab
27
Charles Schwab
California
$904K +$83.7K +21,627 +10%
BWM
28
Brown Wealth Management
Illinois
$894K +$507K +131,059 +131%
SPIA
29
Steward Partners Investment Advisory
New York
$826K +$248K +64,175 +43%
GL
30
Gerber LLC
Ohio
$800K -$290K -75,000 -27%
NL
31
Nuveen LLC
North Carolina
$783K -$238K -61,543 -23%
HWAM
32
Hennion & Walsh Asset Management
New Jersey
$731K -$33.8K -8,729 -4%
IMC Chicago
33
IMC Chicago
Illinois
$723K +$401K +103,507 +124%
ETC
34
Exchange Traded Concepts
Oklahoma
$680K +$85.5K +22,101 +14%
MAP
35
Moody Aldrich Partners
Massachusetts
$610K +$610K +157,614 New
SC
36
Sculptor Capital
New York
$584K +$244K +63,000 +72%
IIM
37
INTECH Investment Management
Florida
$561K +$284K +73,482 +103%
WP
38
Woodline Partners
California
$553K +$553K +142,863 New
BHCM
39
Brevan Howard Capital Management
Jersey
$516K +$346K +89,405 +204%
Two Sigma Advisers
40
Two Sigma Advisers
New York
$500K -$523K -135,100 -51%
GCP
41
GSA Capital Partners
United Kingdom
$470K +$351K +90,586 +294%
RhumbLine Advisers
42
RhumbLine Advisers
Massachusetts
$441K +$28.9K +7,462 +7%
Ameriprise
43
Ameriprise
Minnesota
$441K -$5.15M -1,330,057 -92%
Invesco
44
Invesco
Georgia
$414K +$99.6K +25,735 +32%
APM
45
Avidity Partners Management
Texas
$406K +$406K +105,000 New
JPMorgan Chase & Co
46
JPMorgan Chase & Co
New York
$405K -$22.5K -5,814 -5%
SAM
47
Silvercrest Asset Management
New York
$401K – – –
Rafferty Asset Management
48
Rafferty Asset Management
New York
$395K -$161K -41,661 -29%
Macquarie Group
49
Macquarie Group
Australia
$387K – – –
Simplex Trading
50
Simplex Trading
Illinois
$386K +$306K +79,146 +380%
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