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Atossa Therapeutics
ATOS

Overview Fund Activity

83 hedge funds and large institutions have $19.1M invested in Atossa Therapeutics in 2025 Q1 according to their latest regulatory filings, with 10 funds opening new positions, 18 increasing their positions, 29 reducing their positions, and 12 closing their positions.

Holders
83
Holders Change
-3
Holders Change %
-3.49%
% of All Funds
1.13%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
10
Increased
18
Reduced
29
Closed
12
Calls
$123K
Puts
$58K
Net Calls
+$65K
Net Calls Change
+$4K

Top Buyers

1
Squarepoint
1
Squarepoint
New York
$322K
2
Renaissance Technologies
2
Renaissance Technologies
New York
$1.25M
3
Susquehanna International Group
3
Susquehanna International Group
Pennsylvania
$296K
4
NL
4
Nuveen LLC
North Carolina
$115K
5
Charles Schwab
5
Charles Schwab
California
$284K

Top Sellers

1
UBS Group
1
UBS Group
Switzerland
$306K
2
Citadel Advisors
2
Citadel Advisors
Florida
$0
3
VF
3
Virtu Financial
New York
$0
4
JPMorgan Chase & Co
4
JPMorgan Chase & Co
New York
$80K
5
Jane Street
5
Jane Street
New York
$0
Name Market Value Shares Shares
Change 		Shares
Change %
Invesco
26
Invesco
Georgia
$39.5K 58,669 -1,675 -3%
Two Sigma Advisers
27
Two Sigma Advisers
New York
$38.3K 56,900 +14,500 +34%
Group One Trading
28
Group One Trading
Illinois
$37.8K 56,207 +42,777 +319%
T. Rowe Price Associates
29
T. Rowe Price Associates
Maryland
$35K 51,198 – –
Commonwealth Equity Services
30
Commonwealth Equity Services
Massachusetts
$31K 46,001 – –
VOYA Investment Management
31
VOYA Investment Management
Georgia
$28.2K 41,846 -2,386 -5%
SG Americas Securities
32
SG Americas Securities
New York
$25K 37,248 -66,617 -64%
RFC
33
Regions Financial Corp
Alabama
$20.2K 30,000 – –
CWM
34
CIBC World Markets
New York
$18.9K 28,066 +16,229 +137%
LPL Financial
35
LPL Financial
California
$18.9K 28,056 -1,395 -5%
ProShare Advisors
36
ProShare Advisors
Maryland
$18.4K 27,381 -8,241 -23%
GCA
37
Gallagher Capital Advisors
Texas
$17.5K 26,075 – –
PFSRSONJ
38
Police & Firemen's Retirement System of New Jersey
New Jersey
$17.1K 25,430 – –
LCM
39
LVM Capital Management
Michigan
$14K 21,000 – –
Manulife (Manufacturers Life Insurance)
40
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$12.8K 19,020 -27,311 -59%
Royal Bank of Canada
41
Royal Bank of Canada
Ontario, Canada
$12K 17,539 -371 -2%
AllianceBernstein
42
AllianceBernstein
Tennessee
$11.7K 17,380 – –
NP
43
NorthRock Partners
Minnesota
$11.3K 16,750 – –
New York State Common Retirement Fund
44
New York State Common Retirement Fund
New York
$11K 15,800 – –
AQR Capital Management
45
AQR Capital Management
Connecticut
$10.9K 16,240 +16,240 New
DnB Asset Management
46
DnB Asset Management
Norway
$10.5K 15,600 – –
Victory Capital Management
47
Victory Capital Management
Texas
$10.2K 15,162 -393 -3%
HSBC Holdings
48
HSBC Holdings
United Kingdom
$9.98K 14,782 -96 -0.6%
Neuberger Berman Group
49
Neuberger Berman Group
New York
$9.89K 14,700 +2,414 +20%
PI
50
PFG Investments
New York
$9.25K 13,750 -1,150 -8%
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