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

Top Sellers

1
BG
1
Bellevue Group
Switzerland
$0
2
Ameriprise
2
Ameriprise
Minnesota
$441K
3
Schroder Investment Management Group
3
Schroder Investment Management Group
United Kingdom
$0
4
Marshall Wace
4
Marshall Wace
United Kingdom
$85.5K
5
Millennium Management
5
Millennium Management
New York
$303K
Name Holding Trade Value Shares
Change 		Shares
Change %
TPWA
176
Twin Peaks Wealth Advisors
California
$47 +$47 +13 New
FHA
177
First Horizon Advisors
Tennessee
$12 – – –
HNB
178
Huntington National Bank
Ohio
$8 – – –
CPG
179
Cornerstone Planning Group
New Jersey
$4 – – –
BG
180
Bellevue Group
Switzerland
– -$5.28M -1,056,793 Closed
Schroder Investment Management Group
181
Schroder Investment Management Group
United Kingdom
– -$5.12M -961,884 Closed
RA
182
RFG Advisory
Alabama
– -$1.62M -324,397 Closed
Jane Street
183
Jane Street
New York
– -$763K -152,642 Closed
Swiss National Bank
184
Swiss National Bank
Switzerland
– -$698K -139,500 Closed
Squarepoint
185
Squarepoint
New York
– -$669K -133,885 Closed
Balyasny Asset Management
186
Balyasny Asset Management
Illinois
– -$275K -54,953 Closed
State of Wisconsin Investment Board
187
State of Wisconsin Investment Board
Wisconsin
– -$240K -48,087 Closed
FRM
188
Fox Run Management
Connecticut
– -$191K -38,200 Closed
CF
189
Corebridge Financial
Texas
– -$174K -34,796 Closed
Janus Henderson Group
190
Janus Henderson Group
United Kingdom
– -$170K -32,000 Closed
ASRS
191
Arizona State Retirement System
Arizona
– -$102K -20,386 Closed
Teacher Retirement System of Texas
192
Teacher Retirement System of Texas
Texas
– -$95.7K -19,144 Closed
American Century Companies
193
American Century Companies
Missouri
– -$85.9K -17,175 Closed
SG Americas Securities
194
SG Americas Securities
New York
– -$82K -16,472 Closed
CWM
195
CIBC World Markets
New York
– -$78.8K -15,760 Closed
BC
196
Bridgefront Capital
Texas
– -$72.6K -14,518 Closed
PAM
197
PVG Asset Management
Colorado
– -$70.1K -14,025 Closed
AI
198
Atria Investments
North Carolina
– -$61.4K -12,285 Closed
KK
199
KLP Kapitalforvaltning
Norway
– -$56.5K -11,300 Closed
SFA
200
Sequoia Financial Advisors
Ohio
– -$50.8K -10,155 Closed
5 6 7
8
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