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Atossa Therapeutics, Inc.

ATOS
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001488039

No open-market purchases or sales by Atossa Therapeutics, Inc. insiders were filed in the last 90 days; 31 institutions reported holding it in 13F filings for Q2 2026, worth $2.60M in total; no superinvestor holds it.

Q2 2021 vs. Q1 2021

How the institutions holding Atossa Therapeutics, Inc. changed between Q1 2021 and Q2 2021.

All holders in Q2 2021All holders in Q1 2021

13F holders of ATOS: Q1 2021 compared with Q2 2021
MeasureQ1 2021Q2 2021Change
Holders5490+36
Shares10.8M35.7M+24.9M (+230.1%)
Value$22.8M$225.8M+$203.0M (+888.3%)

New holders (57)

Institutions that held Atossa Therapeutics, Inc. at the end of Q2 2021 but not at the end of Q1 2021.

Institutions new to ATOS in Q2 2021
InstitutionSharesValue% of portfolio
State Street Corp2,032,668$12.8M0.00%
Invesco Ltd.1,851,353$11.7M0.00%
Millennium Management LLC1,666,911$10.5M0.01%
Group One Trading, L.P.1,644,488$10.4M0.20%
Nuveen Asset Management, LLC1,097,131$6.93M0.00%
Bank of Nova Scotia348,698$2.20M0.00%
Voloridge Investment Management, LLC255,984$1.62M0.01%
Squarepoint Ops LLC188,259$1.19M0.01%
California State Teachers Retirement System161,269$1.02M0.00%
JPMorgan Chase & Co156,324$988.0K0.00%
State of Wisconsin Investment Board151,300$956.0K0.00%
Simplex Trading, LLC141,547$894.0K0.03%
Rhumbline Advisers130,369$824.0K0.00%
Alliancebernstein L.P.116,100$734.0K0.00%
Mariner, LLC114,860$726.0K0.00%
New York State Common Retirement Fund100,200$633.0K0.00%
Bank of America Corp78,823$498.0K0.00%
Enlightenment Research, LLC73,100$462.0K0.59%
Deutsche Bank AG69,454$439.0K0.00%
Manufacturers Life Insurance Company, The67,879$429.0K0.00%
American International Group, Inc.65,553$414.0K0.00%
DC Investments Management, LLC64,490$408.0K0.96%
Caption Management, LLC52,300$331.0K0.03%
Parametric Portfolio Associates LLC52,128$329.0K0.00%
Voya Investment Management LLC46,138$292.0K0.00%
MetLife Investment Management44,000$278.1K0.00%
Americana Partners, LLC54,500$237.0K0.12%
DuPont Capital Management Corp35,145$222.0K0.01%
Metropolitan Life Insurance Co33,687$212.9K0.00%
ProShare Advisors LLC30,351$192.0K0.00%
STRS Ohio27,100$171.0K0.00%
Panagora Asset Management Inc26,725$169.0K0.00%
Price T Rowe Associates Inc24,844$157.0K0.00%
Gotham Asset Management, LLC22,376$141.0K0.01%
Martingale Asset Management L P22,081$140.0K0.00%
Amalgamated Bank16,827$106.0K0.00%
Two Sigma Investments, LP15,076$95.0K0.00%
Principal Financial Group Inc13,864$88.0K0.00%
Ameriprise Financial Inc13,377$85.0K0.00%
State Board of Administration of Florida Retirement System13,525$85.0K0.00%
Legal & General Group Plc11,736$74.0K0.00%
J. L. Bainbridge & Co., Inc.10,621$67.0K0.01%
BNP Paribas Arbitrage, SA10,483$66.3K0.00%
Point72 Hong Kong Ltd10,224$65.0K0.00%
Ameritas Investment Partners, Inc.9,173$58.0K0.00%
Cubist Systematic Strategies, LLC5,257$33.0K0.00%
Tower Research Capital LLC (TRC)4,787$30.0K0.00%
St. Johns Investment Management Company, LLC1,550$10.0K0.01%
CenterStar Asset Management, LLC–$10.0K0.01%
Captrust Financial Advisors500$3.00K0.00%
Castleview Partners, LLC500$3.00K0.00%
Brewin Dolphin Ltd320$2.02K0.00%
NEXT Financial Group, Inc300$2.00K0.00%
Federated Hermes, Inc.138$1.00K0.00%
Delos Wealth Advisors, LLC100$1.00K0.00%
FMR LLC2$00.00%
Salem Investment Counselors Inc3$00.00%

Sold out (21)

Institutions that held Atossa Therapeutics, Inc. at the end of Q1 2021 and filed for Q2 2021 without it.