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Altimmune
ALT

Overview Fund Activity

178 hedge funds and large institutions have $139M invested in Altimmune in 2025 Q2 according to their latest regulatory filings, with 39 funds opening new positions, 70 increasing their positions, 39 reducing their positions, and 30 closing their positions.

Holders
178
Holders Change
+5
Holders Change %
+2.89%
% of All Funds
2.39%
Holding in Top 10
–
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-100%
% of All Funds
–
New
39
Increased
70
Reduced
39
Closed
30
Calls
$21.9M
Puts
$19.3M
Net Calls
+$2.63M
Net Calls Change
-$542K

Top Buyers

1
CM
1
Caption Management
Oklahoma
$3.8M
2
Vanguard Group
2
Vanguard Group
Pennsylvania
$20M
3
Federated Hermes
3
Federated Hermes
Pennsylvania
$3.54M
4
Citadel Advisors
4
Citadel Advisors
Florida
$2.03M
5
Bank of America
5
Bank of America
North Carolina
$2.77M

Top Sellers

1
BG
1
Bellevue Group
Switzerland
$0
2
Ameriprise
2
Ameriprise
Minnesota
$441K
3
Marshall Wace
3
Marshall Wace
United Kingdom
$85.5K
4
Millennium Management
4
Millennium Management
New York
$303K
5
Two Sigma Investments
5
Two Sigma Investments
New York
$1.69M
Name Market Value Shares Shares
Change 		Shares
Change %
Charles Schwab
26
Charles Schwab
California
$904K 233,506 +21,627 +10%
BWM
27
Brown Wealth Management
Illinois
$894K 231,083 +131,059 +131%
SPIA
28
Steward Partners Investment Advisory
New York
$826K 213,384 +64,175 +43%
GL
29
Gerber LLC
Ohio
$800K 206,778 -75,000 -27%
NL
30
Nuveen LLC
North Carolina
$783K 202,355 -61,543 -23%
HWAM
31
Hennion & Walsh Asset Management
New Jersey
$731K 188,955 -8,729 -4%
IMC Chicago
32
IMC Chicago
Illinois
$723K 186,818 +103,507 +124%
ETC
33
Exchange Traded Concepts
Oklahoma
$680K 175,707 +22,101 +14%
MAP
34
Moody Aldrich Partners
Massachusetts
$610K 157,614 +157,614 New
SC
35
Sculptor Capital
New York
$584K 151,000 +63,000 +72%
IIM
36
INTECH Investment Management
Florida
$561K 144,890 +73,482 +103%
WP
37
Woodline Partners
California
$553K 142,863 +142,863 New
BHCM
38
Brevan Howard Capital Management
Jersey
$516K 133,209 +89,405 +204%
Two Sigma Advisers
39
Two Sigma Advisers
New York
$500K 129,200 -135,100 -51%
GCP
40
GSA Capital Partners
United Kingdom
$470K 121,364 +90,586 +294%
RhumbLine Advisers
41
RhumbLine Advisers
Massachusetts
$441K 113,981 +7,462 +7%
Ameriprise
42
Ameriprise
Minnesota
$441K 113,875 -1,330,057 -92%
Invesco
43
Invesco
Georgia
$414K 106,863 +25,735 +32%
APM
44
Avidity Partners Management
Texas
$406K 105,000 +105,000 New
JPMorgan Chase & Co
45
JPMorgan Chase & Co
New York
$405K 104,697 -5,814 -5%
SAM
46
Silvercrest Asset Management
New York
$401K 103,500 – –
Rafferty Asset Management
47
Rafferty Asset Management
New York
$395K 102,011 -41,661 -29%
Macquarie Group
48
Macquarie Group
Australia
$387K 100,000 – –
Simplex Trading
49
Simplex Trading
Illinois
$386K 99,967 +79,146 +380%
Commonwealth Equity Services
50
Commonwealth Equity Services
Massachusetts
$383K 98,921 +9,245 +10%
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