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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.

13F holders, Q1 2022

Institutional positions in Atossa Therapeutics, Inc. as of Mar 31, 2022. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
83
−7 vs. Q4 2021
Shares held
35.8M
−3.50M (−8.9%) vs. Q4 2021
Total value
$45.4M
−$18.4M (−28.8%) vs. Q4 2021
New holders
12
15 more added
Sold out
19
36 more reduced

2 institutions that held it in Q4 2021 haven't filed for Q1 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2021: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting ATOS on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2022: 83 institutions
Q1 2021: 54 institutionsQ2 2021: 90 institutionsQ3 2021: 93 institutionsQ4 2021: 92 institutionsQ1 2022: 83 institutionsQ2 2022: 73 institutionsQ3 2022: 59 institutionsQ4 2022: 51 institutionsQ1 2023: 45 institutionsQ2 2023: 52 institutionsQ3 2023: 54 institutionsQ4 2023: 49 institutionsQ1 2024: 67 institutionsQ2 2024: 77 institutionsQ3 2024: 86 institutionsQ4 2024: 86 institutionsQ1 2025: 83 institutionsQ2 2025: 84 institutionsQ3 2025: 67 institutionsQ4 2025: 67 institutionsQ1 2026: 33 institutionsQ2 2026: 31 institutions
Value heldQ1 2022: $45.4M
Q1 2021: $22.8MQ2 2021: $225.8MQ3 2021: $102.1MQ4 2021: $64.2MQ1 2022: $45.4MQ2 2022: $25.4MQ3 2022: $15.8MQ4 2022: $9.49MQ1 2023: $11.9MQ2 2023: $20.2MQ3 2023: $11.9MQ4 2023: $14.2MQ1 2024: $37.4MQ2 2024: $31.2MQ3 2024: $41.8MQ4 2024: $28.3MQ1 2025: $19.1MQ2 2025: $17.7MQ3 2025: $16.9MQ4 2025: $13.0MQ1 2026: $6.52MQ2 2026: $2.60M
Institutions holding ATOS and their total value by quarter
QuarterHoldersValue
Q2 202631$2.60M
Q1 202633$6.52M
Q4 202567$13.0M
Q3 202567$16.9M
Q2 202584$17.7M
Q1 202583$19.1M
Q4 202486$28.3M
Q3 202486$41.8M
Q2 202477$31.2M
Q1 202467$37.4M
Q4 202349$14.2M
Q3 202354$11.9M
Q2 202352$20.2M
Q1 202345$11.9M
Q4 202251$9.49M
Q3 202259$15.8M
Q2 202273$25.4M
Q1 202283$45.4M
Q4 202192$64.2M
Q3 202193$102.1M
Q2 202190$225.8M
Q1 202154$22.8M

Institutions, Q1 2022

Shares, value and share of portfolio for each institution holding Atossa Therapeutics, Inc.; share changes are against Q4 2021.

Institutions holding ATOS in Q1 2022
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock Inc.9,437,034$11.8M0.00%−102,559−1.1%Reduced
Vanguard Group Inc6,892,416$8.62M0.00%−78,434−1.1%Reduced
D. E. Shaw & Co., Inc.3,863,135$4.83M0.01%−284,674−6.9%Reduced
Nuveen Asset Management, LLC2,027,349$3.18M0.00%+486,847+31.6%Added
State Street Corp2,233,010$2.79M0.00%+90,960+4.2%Added
Renaissance Technologies LLC2,100,492$2.63M0.00%+930,152+79.5%Added
Geode Capital Management, LLC2,053,175$2.57M0.00%+48,394+2.4%Added
Citadel Advisors LLC1,250,983$1.56M0.00%−801,074−39.0%Reduced
Northern Trust Corp1,006,950$1.26M0.00%−42,538−4.1%Reduced
Two Sigma Advisers, LP681,600$852.0K0.00%−916,330−57.3%Reduced
Two Sigma Investments, LP558,502$698.0K0.00%−1,812,691−76.4%Reduced
Bank of New York Mellon Corp510,540$639.0K0.00%−9,118−1.8%Reduced
Sabby Management, LLC362,072$453.0K0.18%+362,072New
Charles Schwab Investment Management Inc313,912$393.0K0.00%+14,481+4.8%Added
AQR Capital Management LLC166,853$209.0K0.00%−9,921−5.6%Reduced
Morgan Stanley147,595$184.0K0.00%−6,367−4.1%Reduced
Rhumbline Advisers141,900$177.0K0.00%+10,278+7.8%Added
Alps Advisors Inc130,141$163.0K0.00%−16,401−11.2%Reduced
Jane Street Group, LLC118,458$148.0K0.00%−20,537−14.8%Reduced
Alliancebernstein L.P.116,500$146.0K0.00%+400+0.3%Added
Susquehanna Fundamental Investments, LLC111,898$140.0K0.00%−18,018−13.9%Reduced
Susquehanna International Group, LLP105,046$131.0K0.00%+32,902+45.6%Added
Goldman Sachs Group Inc102,321$128.0K0.00%−157,535−60.6%Reduced
Spire Wealth Management94,000$118.0K0.00%+38,000+67.9%Added
Deutsche Bank AG72,425$90.0K0.00%+1,378+1.9%Added
Franklin Resources Inc71,273$89.0K0.00%+71,273New
State Board of Administration of Florida Retirement System68,685$86.0K0.00%00.0%Unchanged
Gsa Capital Partners LLP66,223$83.0K0.01%+66,223New
American International Group, Inc.58,083$73.0K0.00%−4,088−6.6%Reduced
New York State Common Retirement Fund55,028$69.0K0.00%00.0%Unchanged
JPMorgan Chase & Co54,960$69.0K0.00%+11,683+27.0%Added
Manufacturers Life Insurance Company, The51,643$64.6K0.00%−14,035−21.4%Reduced
California State Teachers Retirement System50,643$63.0K0.00%−12,409−19.7%Reduced
Edmond de Rothschild Holding S.A.50,000$63.0K0.00%00.0%Unchanged
Bank of America Corp47,856$60.0K0.00%−79,987−62.6%Reduced
Price T Rowe Associates Inc44,644$56.0K0.00%+19,800+79.7%Added
Voya Investment Management LLC43,917$55.0K0.00%00.0%Unchanged
ETF Managers Group, LLC38,409$51.0K0.00%−43−0.1%Reduced
UBS Group AG36,089$45.0K0.00%−36,732−50.4%Reduced
BNP Paribas Arbitrage, SA33,062$41.3K0.00%−18,064−35.3%Reduced
Invesco Ltd.32,774$41.0K0.00%−702−2.1%Reduced
Commonwealth Equity Services, LLC30,283$37.0K0.00%−159−0.5%Reduced
Wells Fargo & Company24,938$32.0K0.00%−40,714−62.0%Reduced
Tower Research Capital LLC (TRC)25,391$32.0K0.00%+3,031+13.6%Added
Principal Financial Group Inc24,522$31.0K0.00%−1,732−6.6%Reduced
First Republic Investment Management, Inc.25,167$31.0K0.00%+11,167+79.8%Added
ExodusPoint Capital Management, LP22,952$29.0K0.00%−18,502−44.6%Reduced
ProShare Advisors LLC21,936$28.0K0.00%−3,624−14.2%Reduced
Advisor Group Holdings, Inc.19,797$25.0K0.00%−850−4.1%Reduced
HighTower Advisors, LLC20,100$25.0K0.00%00.0%Unchanged
Barclays PLC19,092$24.0K0.00%−122,908−86.6%Reduced
Amalgamated Bank14,526$18.0K0.00%−1,086−7.0%Reduced
Ameriprise Financial Inc14,407$18.0K0.00%+14,407New
Amalgamated Financial Corp.14,526$18.0K0.00%+14,526New
Victory Capital Management Inc15,761$16.0K0.00%−1,554−9.0%Reduced
Federation des caisses Desjardins du Quebec12,600$15.8K0.00%00.0%Unchanged
Legal & General Group Plc11,736$15.0K0.00%00.0%Unchanged
SG Americas Securities, LLC10,919$14.0K0.00%−25,351−69.9%Reduced
Private Advisor Group, LLC11,371$14.0K0.00%+166+1.5%Added
Lincoln National Corp10,340$13.0K0.00%00.0%Unchanged
J. L. Bainbridge & Co., Inc.10,621$13.0K0.00%00.0%Unchanged
Marathon Trading Investment Management LLC10,000$13.0K0.01%+10,000New
Ameritas Investment Partners, Inc.9,173$11.0K0.00%00.0%Unchanged
Nisa Investment Advisors, LLC8,300$10.0K0.00%+8,300New
Royal Bank of Canada7,189$9.00K0.00%−16,720−69.9%Reduced
Citigroup Inc6,002$8.00K0.00%−23,795−79.9%Reduced
Simplex Trading, LLC5,100$6.00K0.00%−6,000−54.1%Reduced
Aquatic Capital Management LLC4,400$6.00K0.01%+4,400New
Newbridge Financial Services Group, Inc.2,000$3.00K0.00%00.0%Unchanged
St. Johns Investment Management Company, LLC1,550$2.00K0.00%00.0%Unchanged
Signaturefd, LLC500$1.00K0.00%00.0%Unchanged
Captrust Financial Advisors900$1.00K0.00%00.0%Unchanged
Allworth Financial LP702$1.00K0.00%00.0%Unchanged
Geneos Wealth Management Inc.1,000$1.00K0.00%00.0%Unchanged
FMR LLC1,109$1.00K0.00%+1,109New
TD Waterhouse Canada Inc.700$8680.00%00.0%Unchanged
Castleview Partners, LLC500$00.00%−300−37.5%Reduced
Hudock, Inc.500$00.00%00.0%Unchanged
Prestige Wealth Management Group LLC280$00.00%00.0%Unchanged
Delos Wealth Advisors, LLC100$00.00%00.0%Unchanged
The PNC Financial Services Group, Inc.250$00.00%+250New
Hantz Financial Services, Inc.82$00.00%+82New
Ellevest, Inc.41$00.00%+41New
Qube Research & Technologies Ltd0$00.00%−287,989−100.0%Sold out
Sculptor Capital LP0$00.00%−214,500−100.0%Sold out
National Bank of Canada0$00.00%−131,100−100.0%Sold out
Parametric Portfolio Associates LLC0$00.00%−88,258−100.0%Sold out
Graham Capital Management, L.P.0$00.00%−73,105−100.0%Sold out
Millennium Management LLC0$00.00%−69,236−100.0%Sold out
Engineers Gate Manager LP0$00.00%−60,809−100.0%Sold out
Squarepoint Ops LLC0$00.00%−27,522−100.0%Sold out
Cutler Group LP0$00.00%−24,190−100.0%Sold out
QCM Cayman, Ltd.0$00.00%−22,301−100.0%Sold out
XTX Topco Ltd0$00.00%−17,275−100.0%Sold out
Credit Suisse AG0$00.00%−15,269−100.0%Sold out
Belvedere Trading LLC0$00.00%−11,518−100.0%Sold out
Dark Forest Capital Management LP0$00.00%−3,512−100.0%Sold out
Community Bank, N.A.0$00.00%−1,475−100.0%Sold out
Evoke Wealth, LLC0$00.00%−775−100.0%Sold out
Richwood Investment Advisors, LLC0$00.00%−600−100.0%Sold out