13F

Stock

Atossa Therapeutics, Inc.

ATOS · held by 65 managers

Reported value

$12.9M

Holders

65

+1 new · −1 exited

Holders’ est. mark

−$36K

Price effect on 3 books still in the name

Largest holder

$3.63M

Vanguard

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
Vanguard6.15M$3.63M—Held
AMERIPRISE FINANCIAL INC3.79M$2.24M—Held
Renaissance Technologies2.06M$1.22M—Held
BlackRock, Inc.2M$1.18M—Held
GEODE CAPITAL MANAGEMENT, LLC1.37M$809.6K—Held
MILLENNIUM MANAGEMENT LLC1.24M$733.3K—Held
JACOBS LEVY EQUITY MANAGEMENT, INC1.05M$618.5K—Held
Citadel648.1K$382.4K—Held
State Street596.5K$351.9K—Held
SUSQUEHANNA INTERNATIONAL GROUP, LLP582.6K$343.7K—Held
UBS Group AG390K$230.1K—Held
NORTHERN TRUST CORP288.4K$170.2K—Held
Connor, Clark & Lunn Investment Management Ltd.266K$156.9K—Held
JANE STREET GROUP, LLC246K$145.1K—Held
Graham Capital Management, L.P.211.4K$124.7K—Held
XTX Topco Ltd169.3K$99.9K—Held
CHARLES SCHWAB INVESTMENT MANAGEMENT INC80K$47.2K—Held
Qube Research & Technologies Ltd72.8K$43K—Held
BANK OF AMERICA CORP /DE/67.7K$39.9K−$18.7KCut−$94.6K
MORGAN STANLEY61.5K$36.3K−$17KCut−$61.1K
Point72 Asset Management, L.P.48.1K$28.4K—Held
&PARTNERS43K$25.4K—Held
JPMORGAN CHASE & CO38.1K$22.5K—Held
REGIONS FINANCIAL CORP30K$17.7K—Held
LPL Financial LLC29.5K$17.4K—Held
R Squared Ltd28.1K$16.6K—Held
TWO SIGMA SECURITIES, LLC24.5K$14.5K—Held
Sigma Planning Corp24K$14.2K—Held
TWO SIGMA INVESTMENTS, LP23.5K$13.8K—Held
PFG Investments, LLC21.8K$12.8K—Held
StoneX Group Inc.19.9K$11.7K—Held
TWO SIGMA ADVISERS, LP18.3K$10.8K—Held
GREENBERG FINANCIAL GROUP18.2K$10.7K—New
DNB Asset Management AS15.6K$9.2K—Held
Baader Bank Aktiengesellschaft21.4K$7.77K—Held
RAYMOND JAMES FINANCIAL INC11.3K$6.68K—Held
Bank of New York Mellon Corp11.1K$6.58K—Held
J. L. Bainbridge & Co., Inc.11.1K$6.56K—Held
Focus Financial Network, Inc.10.3K$6.11K—Held
OSAIC HOLDINGS, INC.8.85K$5.22K—Held
Fidelity7.37K$4.34K—Held
GROUP ONE TRADING LLC6.66K$3.93K—Held
Rockefeller Capital Management L.P.5K$2.95K—Held
NewEdge Advisors, LLC5K$2.95K—Held
Tower Research Capital LLC (TRC)4K$2.36K—Held
HUNTINGTON NATIONAL BANK3K$1.77K—Held
ROYAL BANK OF CANADA943$1K—Held
HARBOUR INVESTMENTS, INC.1.66K$977—Held
SBI Securities Co., Ltd.1.56K$923—Held
TD Waterhouse Canada Inc.1.55K$910—Held
BNP PARIBAS FINANCIAL MARKETS1.5K$883—Held
Optiver Holding B.V.838$494—Held
Allworth Financial LP702$415−$194Cut−$194
JONES FINANCIAL COMPANIES LLLP700$413—Held
NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO500$295—Held
NISA INVESTMENT ADVISORS, LLC350$207—Held
NBC SECURITIES, INC.150$88—Held
WELLS FARGO & COMPANY/MN83$49—Held
ACADIAN ASSET MANAGEMENT LLC79.4K$46—Held
Clearstead Advisors, LLC70$42—Held
Arax Advisory Partners42$25—Held
LVM CAPITAL MANAGEMENT LTD/MI21K$12—Held
Janney Montgomery Scott LLC10K$6—Held
CWM, LLC50$0—Held
HANTZ FINANCIAL SERVICES, INC.82$0—Held

Who left

Positions as of Q4 2025. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.