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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 %
WE
76
Wealth Effects
Massachusetts
$123K +$3.48K +900 +3%
Verition Fund Management
77
Verition Fund Management
Connecticut
$121K +$121K +31,154 New
Wealth Enhancement Advisory Services
78
Wealth Enhancement Advisory Services
Minnesota
$118K +$48.9K +10,264 +70%
Osaic Holdings
79
Osaic Holdings
Arizona
$111K -$31K -4,312 -22%
Manulife (Manufacturers Life Insurance)
80
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$108K +$10.6K +2,748 +11%
FCM
81
Farallon Capital Management
California
$107K – – –
Raymond James Financial
82
Raymond James Financial
Florida
$101K +$43.8K +11,309 +77%
CIA
83
Concurrent Investment Advisors
Florida
$97.7K +$13.8K +3,565 +16%
OIA
84
OneDigital Investment Advisors
Kansas
$93.4K +$9.9K +2,557 +12%
DAM
85
DLD Asset Management
New York
$87.5K +$87.5K +22,600 New
Marshall Wace
86
Marshall Wace
United Kingdom
$85.5K -$4.44M -1,146,238 -98%
PA
87
Profund Advisors
Maryland
$84K -$31.1K -8,046 -27%
New York State Common Retirement Fund
88
New York State Common Retirement Fund
New York
$83K – – –
BBA
89
Baader Bank Aktiengesellschaft
Germany
$82K +$82K +34,292 New
VOYA Investment Management
90
VOYA Investment Management
Georgia
$80.6K +$7.24K +1,871 +10%
GIM
91
Glenmede Investment Management
Pennsylvania
$79.2K +$79.2K +20,465 New
SS
92
Sunbelt Securities
Texas
$78.2K – – –
VCM
93
Vivaldi Capital Management
Illinois
$77.4K – – –
A
94
AlphaQuest
New York
$76.7K – – –
ProShare Advisors
95
ProShare Advisors
Maryland
$73.1K +$193 +50 +0.3%
Cambridge Investment Research Advisors
96
Cambridge Investment Research Advisors
Iowa
$72K +$11.6K +3,000 +19%
HT
97
Headlands Technologies
Illinois
$71.8K +$71.8K +18,557 New
SEI Investments
98
SEI Investments
Pennsylvania
$71.3K +$71.3K +18,421 New
BRWA
99
B. Riley Wealth Advisors
Florida
$70.8K +$70.8K +18,288 New
Cetera Investment Advisers
100
Cetera Investment Advisers
Illinois
$70.2K -$18K -4,652 -20%
2 3
4
5 6