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Atossa Therapeutics

67 hedge funds and large institutions have $13M invested in Atossa Therapeutics in 2025 Q4 according to their latest regulatory filings, with 14 funds opening new positions, 20 increasing their positions, 9 reducing their positions, and 10 closing their positions.

New
Increased
Maintained
Reduced
Closed

172% more call options, than puts

Call options by funds: $166K | Put options by funds: $61K

122% more repeat investments, than reductions

Existing positions increased: 20 | Existing positions reduced: 9

40% more first-time investments, than exits

New positions opened: 14 | Existing positions closed: 10

2% more funds holding

Funds holding: 6667 (+1)

0.13% more ownership

Funds ownership: 1%1.13% (+0.13%)

23% less capital invested

Capital invested by funds: $16.8M → $13M (-$3.84M)

Holders
67
Holders Change
+1
Holders Change %
+1.52%
% of All Funds
0.81%
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
14
Increased
20
Reduced
9
Closed
10
Calls
$166K
Puts
$61K
Net Calls
+$105K
Net Calls Change
-$1K
Name Holding Trade Value Shares
Change
Change in
Stake
Vanguard Group
1
Vanguard Group
Pennsylvania
$3.63M +$58.2K +4,600 +1%
Ameriprise
2
Ameriprise
Minnesota
$2.24M +$708K +55,970 +28%
Renaissance Technologies
3
Renaissance Technologies
New York
$1.22M +$433K +34,279 +33%
BlackRock
4
BlackRock
New York
$1.18M
Geode Capital Management
5
Geode Capital Management
Massachusetts
$810K +$8.12K +642 +0.7%
Millennium Management
6
Millennium Management
New York
$733K -$359K -28,385 -26%
Jacobs Levy Equity Management
7
Jacobs Levy Equity Management
New Jersey
$618K +$884K +69,886 New
Citadel Advisors
8
Citadel Advisors
Florida
$382K +$324K +25,650 +146%
State Street
9
State Street
Massachusetts
$352K +$120K +9,466 +31%
Susquehanna International Group
10
Susquehanna International Group
Pennsylvania
$344K +$306K +24,199 +165%
UBS Group
11
UBS Group
Switzerland
$230K +$109K +8,620 +50%
Northern Trust
12
Northern Trust
Illinois
$170K +$21.1K +1,669 +10%
Connor, Clark & Lunn Investment Management (CC&L)
13
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$157K +$14.7K +1,160 +7%
Jane Street
14
Jane Street
New York
$145K +$70.4K +5,571 +51%
GCM
15
Graham Capital Management
Connecticut
$125K +$38.7K +3,061 +28%
XT
16
XTX Topco
Cayman Islands
$99.9K +$122K +9,627 +581%
Charles Schwab
17
Charles Schwab
California
$47.2K
Acadian Asset Management
18
Acadian Asset Management
Massachusetts
$46K -$15.1K -1,192 -18%
Qube Research & Technologies (QRT)
19
Qube Research & Technologies (QRT)
United Kingdom
$43K -$55.5K -4,390 -47%
Bank of America
20
Bank of America
North Carolina
$39.9K -$73.8K -5,835 -56%
Morgan Stanley
21
Morgan Stanley
New York
$36.3K -$42.9K -3,390 -45%
Point72 Asset Management
22
Point72 Asset Management
Connecticut
$28.4K +$40.5K +3,206 New
P
23
&Partners
Tennessee
$25.4K +$36.3K +2,867 New
JP Morgan Chase
24
JP Morgan Chase
New York
$22.5K -$126 -10 -0.4%
RFC
25
Regions Financial Corp
Alabama
$17.7K