SEC 13F Intelligence

ATOSSA THERAPEUTICS INC

CUSIP 04962H506

Atossa Therapeutics Inc has 63 institutional holders in Filings Flow’s 13F database, together reporting 21.95M shares worth $13M as of Q4 2025. The largest reported holders are Vanguard Group Inc, Ameriprise Financial Inc, and Renaissance Technologies LLC.

Institutional Holders
63
Q4 2025
Reported Value
$13M
Ticker
unmapped
private placement or foreign
Quarters Tracked
28

Ownership Trend

Institutional holders
Q1 ’19: 8Q1 ’19Q2 ’19: 9Q3 ’19: 7Q4 ’19: 9Q1 ’20: 6Q1 ’20Q2 ’20: 9Q3 ’20: 16Q4 ’20: 11Q1 ’21: 42Q1 ’21Q2 ’21: 73Q3 ’21: 76Q4 ’21: 73Q1 ’22: 64Q1 ’22Q2 ’22: 56Q3 ’22: 42Q4 ’22: 39Q1 ’23: 34Q1 ’23Q2 ’23: 40Q3 ’23: 44Q4 ’23: 40Q1 ’24: 54Q1 ’24Q2 ’24: 65Q3 ’24: 76Q4 ’24: 75Q1 ’25: 76Q1 ’25Q2 ’25: 83Q3 ’25: 63Q4 ’25: 63filingsflow.com
Total reported value
Q1 ’19: $422,000Q1 ’19Q2 ’19: $287,000Q3 ’19: $203,000Q4 ’19: $402,000Q1 ’20: $141,000Q1 ’20Q2 ’20: $670,000Q3 ’20: $835,000Q4 ’20: $1MQ1 ’21: $5MQ1 ’21Q2 ’21: $102MQ3 ’21: $38MQ4 ’21: $33MQ1 ’22: $22MQ1 ’22Q2 ’22: $13MQ3 ’22: $8MQ4 ’22: $4MQ1 ’23: $5MQ1 ’23Q2 ’23: $9MQ3 ’23: $5MQ4 ’23: $8MQ1 ’24: $20MQ1 ’24Q2 ’24: $20MQ3 ’24: $15MQ4 ’24: $11MQ1 ’25: $12MQ1 ’25Q2 ’25: $18MQ3 ’25: $17MQ4 ’25: $13Mfilingsflow.com

Holders

··Mixed quarters
Manager% of PortfolioValueSharesQuarter
VANGUARD GROUP INC$6.90T AUM0.00%$4M6.15MQ4 2025
AMERIPRISE FINANCIAL INC$431.8B AUM0.00%$2M3.79MQ4 2025
RENAISSANCE TECHNOLOGIES LLC$63.9B AUM0.00%$1M2.06MQ4 2025
BlackRock, Inc.$5.72T AUM0.00%$1M2.00MQ4 2025
GEODE CAPITAL MANAGEMENT, LLC$1.61T AUM0.00%$809,6161.37MQ4 2025
MILLENNIUM MANAGEMENT LLC$240.3B AUM0.00%$733,2921.24MQ4 2025
JACOBS LEVY EQUITY MANAGEMENT, INC$23.8B AUM0.00%$618,4911.05MQ4 2025
CITADEL ADVISORS LLC$618.5B AUM0.00%$451,772765.7KQ4 2025
SUSQUEHANNA INTERNATIONAL GROUP, LLP$893.3B AUM0.00%$366,441621.1KQ4 2025
STATE STREET CORP$2.90T AUM0.00%$351,926596.5KQ4 2025
Y-Intercept (Hong Kong) Ltd$5.1B AUM0.01%$320,657386.3KQ2 2025OLDER
GOLDMAN SACHS GROUP INC$870.9B AUM0.00%$278,011335.0KQ2 2025OLDER
GSA CAPITAL PARTNERS LLP$1.6B AUM0.02%$269,000310.8KQ3 2025OLDER
UBS Group AG$666.3B AUM0.00%$230,105390.0KQ4 2025
Squarepoint Ops LLC$85.1B AUM0.00%$219,648253.3KQ3 2025OLDER
NORTHERN TRUST CORP$756.6B AUM0.00%$170,155288.4KQ4 2025
JANE STREET GROUP, LLC$777.2B AUM0.00%$169,035286.5KQ4 2025
Connor, Clark & Lunn Investment Management Ltd.$43.4B AUM0.00%$156,946266.0KQ4 2025
Graham Capital Management, L.P.$4.1B AUM0.00%$124,708211.4KQ4 2025
Aster Capital Management (DIFC) Ltd$306M AUM0.03%$120,228144.9KQ2 2025OLDER
Nuveen, LLC$369.3B AUM0.00%$114,886170.7KQ1 2025OLDER
XTX Topco Ltd$5.8B AUM0.00%$99,864169.3KQ4 2025
RHUMBLINE ADVISERS$116.9B AUM0.00%$87,382129.9KQ1 2025OLDER
MARSHALL WACE, LLP$100.4B AUM0.00%$74,01585.1KQ3 2025OLDER
HSBC HOLDINGS PLC$191.6B AUM0.00%$68,59077.9KQ2 2025OLDER
WOLVERINE TRADING, LLC$138.7B AUM0.00%$64,26873.6KQ3 2025OLDER
INTECH INVESTMENT MANAGEMENT LLC$10.2B AUM0.00%$57,96286.1KQ1 2025OLDER
VOYA INVESTMENT MANAGEMENT LLC$96.1B AUM0.00%$56,31683.7KQ1 2025OLDER
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.$73.7B AUM0.00%$50,94975.7KQ1 2025OLDER
Catalyst Funds Management Pty Ltd$591M AUM0.01%$49,21959.3KQ2 2025OLDER
CHARLES SCHWAB INVESTMENT MANAGEMENT INC$654.5B AUM0.00%$47,20080.0KQ4 2025
ACADIAN ASSET MANAGEMENT LLC$70.5B AUM0.00%$46,00079.4KQ4 2025
Qube Research & Technologies Ltd$89.9B AUM0.00%$42,95372.8KQ4 2025
Corebridge Financial, Inc.$1.1B AUM0.00%$41,69762.0KQ1 2025OLDER
AQR CAPITAL MANAGEMENT LLC$218.4B AUM0.00%$40,11348.3KQ2 2025OLDER
COMMONWEALTH EQUITY SERVICES, LLC$71.6B AUM0.00%$40,00046.0KQ3 2025OLDER
BANK OF AMERICA CORP /DE/$1.37T AUM0.00%$39,91667.7KQ4 2025
Invesco Ltd.$653.3B AUM0.00%$39,47858.7KQ1 2025OLDER
Point72 Asia (Singapore) Pte. Ltd.$646M AUM0.01%$38,24044.1KQ3 2025OLDER
MORGAN STANLEY$1.66T AUM0.00%$36,28561.5KQ4 2025
PRICE T ROWE ASSOCIATES INC /MD/$864.9B AUM0.00%$35,00051.2KQ1 2025OLDER
Virtu Financial LLC$2.4B AUM0.00%$31,00036.8KQ2 2025OLDER
Point72 Asset Management, L.P.$78.1B AUM0.00%$28,37448.1KQ4 2025
Gallagher Capital Advisors, LLC$148M AUM0.02%$27,47331.6KQ3 2025OLDER
Hudson Bay Capital Management LP$29.0B AUM0.00%$25,92531.2KQ2 2025OLDER
&PARTNERS$20.2B AUM0.00%$25,37043.0KQ4 2025
SG Americas Securities, LLC$92.9B AUM0.00%$25,00037.2KQ1 2025OLDER
Schonfeld Strategic Advisors LLC$14.2B AUM0.00%$22,54927.2KQ2 2025OLDER
JPMORGAN CHASE & CO$1.56T AUM0.00%$22,46038.1KQ4 2025
Jump Financial, LLC$7.5B AUM0.00%$21,04125.4KQ2 2025OLDER
CIBC WORLD MARKETS CORP$20.8B AUM0.00%$18,88628.1KQ1 2025OLDER
ProShare Advisors LLC$67.5B AUM0.00%$18,42427.4KQ1 2025OLDER
REGIONS FINANCIAL CORP$15.4B AUM0.00%$17,70030.0KQ4 2025
LPL Financial LLC$376.6B AUM0.00%$17,38729.5KQ4 2025
Police & Firemen's Retirement System of New Jersey$11.7B AUM0.00%$17,11225.4KQ1 2025OLDER
Ground Swell Capital, LLC$51M AUM0.03%$16,59220.0KQ2 2025OLDER
R Squared Ltd$182M AUM0.01%$16,57828.1KQ4 2025
BARCLAYS PLC$416.3B AUM0.00%$15,57018.8KQ2 2025OLDER
NorthRock Partners, LLC$6.2B AUM0.00%$14,52216.8KQ3 2025OLDER
Jain Global LLC$24.2B AUM0.00%$14,48516.7KQ3 2025OLDER
TWO SIGMA SECURITIES, LLC$861M AUM0.00%$14,46024.5KQ4 2025
Sigma Planning Corp$3.6B AUM0.00%$14,16024.0KQ4 2025
HRT FINANCIAL LP$40.1B AUM0.00%$14,00016.9KQ3 2025OLDER
TWO SIGMA INVESTMENTS, LP$123.9B AUM0.00%$13,83723.5KQ4 2025
Alpine Global Management, LLC$668M AUM0.00%$13,57516.4KQ2 2025OLDER
VICTORY CAPITAL MANAGEMENT INC$156.1B AUM0.00%$12,88714.9KQ3 2025OLDER
PFG Investments, LLC$2.1B AUM0.00%$12,83321.8KQ4 2025
MANUFACTURERS LIFE INSURANCE COMPANY, THE$116.3B AUM0.00%$12,79919.0KQ1 2025OLDER
Neuberger Berman Group LLC$131.4B AUM0.00%$12,20114.7KQ2 2025OLDER
LVM CAPITAL MANAGEMENT LTD/MI$1.2B AUM0.00%$12,00021.0KQ4 2025
StoneX Group Inc.$1.9B AUM0.00%$11,72419.9KQ4 2025
ALLIANCEBERNSTEIN L.P.$308.8B AUM0.00%$11,69517.4KQ1 2025OLDER
ExodusPoint Capital Management, LP$12.6B AUM0.00%$11,00013.5KQ2 2025OLDER
TWO SIGMA ADVISERS, LP$0 AUM0.00%$10,79718.3KQ4 2025
GREENBERG FINANCIAL GROUP$270M AUM0.00%$10,74718.2KQ4 2025
NEW YORK STATE COMMON RETIREMENT FUND$71.6B AUM0.00%$10,63215.8KQ1 2025OLDER
Cubist Systematic Strategies, LLC$21.0B AUM0.00%$9,22311.1KQ2 2025OLDER
DnB Asset Management AS$28.0B AUM0.00%$9,20415.6KQ4 2025
Farringdon Capital, Ltd.$457M AUM0.00%$8,95813.3KQ1 2025OLDER
Guerra Advisors Inc$271M AUM0.00%$8,50810.3KQ2 2025OLDER
Ameritas Investment Partners, Inc.$3.3B AUM0.00%$8,33912.4KQ1 2025OLDER
Evanson Asset Management, LLC$1.9B AUM0.00%$8,30010.0KQ2 2025OLDER
Legal & General Group Plc$432.4B AUM0.00%$7,96011.8KQ1 2025OLDER
Baader Bank Aktiengesellschaft$1.3B AUM0.00%$7,77321.4KQ4 2025
Federation des caisses Desjardins du Quebec$27.8B AUM0.00%$7,13410.6KQ1 2025OLDER
Mariner, LLC$85.7B AUM0.00%$6,79910.1KQ1 2025OLDER
RAYMOND JAMES FINANCIAL INC$324.4B AUM0.00%$6,68111.3KQ4 2025
Bank of New York Mellon Corp$543.9B AUM0.00%$6,57711.1KQ4 2025
J. L. Bainbridge & Co., Inc.$1.1B AUM0.00%$6,56111.1KQ4 2025
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM$94.5B AUM0.00%$6,1679.2KQ1 2025OLDER
Focus Financial Network, Inc.$3.2B AUM0.00%$6,10710.3KQ4 2025
Janney Montgomery Scott LLC$40.4B AUM0.00%$6,00010.0KQ4 2025
OSAIC HOLDINGS, INC.$68.3B AUM0.00%$5,2198.8KQ4 2025
CWM, LLC$38.1B AUM0.00%$5,0006.0KQ2 2025OLDER
FMR LLC$1.90T AUM0.00%$4,3457.4KQ4 2025
GROUP ONE TRADING LLC$52.2B AUM0.00%$3,9316.7KQ4 2025
AMALGAMATED BANK$13.1B AUM0.00%$3,0004.4KQ1 2025OLDER
Rockefeller Capital Management L.P.$56.4B AUM0.00%$2,9505.0KQ4 2025
NewEdge Advisors, LLC$27.7B AUM0.00%$2,9505.0KQ4 2025
Tower Research Capital LLC (TRC)$3.8B AUM0.00%$2,3594.0KQ4 2025
SIMPLEX TRADING, LLC$149.1B AUM0.00%$2,0004.1KQ1 2025OLDER
HUNTINGTON NATIONAL BANK$18.1B AUM0.00%$1,7703.0KQ4 2025
Sterling Capital Management LLC$5.3B AUM0.00%$1,2811.9KQ1 2025OLDER
ROYAL BANK OF CANADA$570.1B AUM0.00%$1,000943Q4 2025
HARBOUR INVESTMENTS, INC.$6.5B AUM0.00%$9771.7KQ4 2025
SBI Securities Co., Ltd.$3.6B AUM0.00%$9231.6KQ4 2025
TD Waterhouse Canada Inc.$33.7B AUM0.00%$9101.6KQ4 2025
BNP PARIBAS FINANCIAL MARKETS$205.8B AUM0.00%$8831.5KQ4 2025
Brooklyn Investment Group$3.2B AUM0.00%$521627Q2 2025OLDER
Optiver Holding B.V.$289.5B AUM0.00%$494838Q4 2025
Rise Advisors, LLC$284M AUM0.00%$437650Q1 2025OLDER
Allworth Financial LP$24.7B AUM0.00%$415702Q4 2025
ELEVATION POINT WEALTH PARTNERS, LLC$4.3B AUM0.00%$415500Q2 2025OLDER
JONES FINANCIAL COMPANIES LLLP$208.1B AUM0.00%$413700Q4 2025
NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO$162.4B AUM0.00%$295500Q4 2025
NISA INVESTMENT ADVISORS, LLC$27.0B AUM0.00%$207350Q4 2025
NBC SECURITIES, INC.$1.3B AUM0.00%$88150Q4 2025
TWIN PEAKS WEALTH ADVISORS, LLC$397M AUM0.00%$77100Q2 2025OLDER
Point72 (DIFC) Ltd$1.5B AUM0.00%$7182Q3 2025OLDER
WELLS FARGO & COMPANY/MN$530.3B AUM0.00%$4983Q4 2025
Clearstead Advisors, LLC$10.9B AUM0.00%$4270Q4 2025
True Wealth Design, LLC$360M AUM0.00%$2629Q3 2025OLDER
Arax Advisory Partners$3.5B AUM0.00%$2542Q4 2025
Larson Financial Group LLC$3.1B AUM0.00%$1320Q1 2025OLDER
EverSource Wealth Advisors, LLC$3.3B AUM0.00%$22Q3 2025OLDER
CONCOURSE FINANCIAL GROUP SECURITIES, INC.$0 AUM$00Q2 2025OLDER

Holdings are reported up to 45 days after quarter end. Share counts are as filed and not adjusted for stock splits.