Atossa Therapeutics (ATOS) Institutional Ownership $0.74 -0.02 (-3.23%) Closing price 04:00 PM EasternExtended Trading$0.75 +0.01 (+1.21%) As of 07:48 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Ownership Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrends Institutional Ownership Changes (13F Filings) for Atossa Therapeutics (NASDAQ:ATOS)CurrentInstitutional OwnershipPercentage12.74%Number ofInstitutional Buyers(last 12 months)21TotalInstitutional Inflows(last 12 months)$3.08MNumber ofInstitutional Sellers(last 12 months)7TotalInstitutional Outflows(last 12 months)$358.75K Get ATOS Insider Trade Alerts Want to know when executives and insiders are buying or selling Atossa Therapeutics stock? 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Email Address Skip Chart & View Institutional Buying and Selling Data ATOS Institutional Buying and Selling by Quarter Atossa Therapeutics Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails2/17/2025 Two Sigma Advisers LP42,400$40K0.0%+214.1%0.034% 2/17/2025 Millennium Management LLC29,149$28K0.0%N/A0.023% 2/17/2025 Bank of America Corp DE111,475$105K0.0%+51.3%0.089% 2/14/2025 Northern Trust Corp1,025,724$968K0.0%+7.5%0.815% 2/13/2025 XTX Topco Ltd79,176$75K0.0%+59.6%0.063% 2/13/2025 Barclays PLC191,954$181K0.0%+14.5%0.153% 2/13/2025 Renaissance Technologies LLC1,557,632$1.47M0.0%+18.9%1.238% 2/13/2025 Wells Fargo & Company MN71,720$68K0.0%+30.7%0.057% 2/12/2025 JPMorgan Chase & Co.361,296$341K0.0%+141.4%0.287% 2/11/2025 LPL Financial LLC29,451$28K0.0%-35.1%0.023% Get the Latest News and Ratings for ATOS and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Atossa Therapeutics and its competitors with MarketBeat's FREE daily newsletter. 2/11/2025 Virtu Financial LLC208,196$197K0.0%+311.1%0.165% 2/11/2025 Intech Investment Management LLC62,844$59K0.0%+224.0%0.050% 2/7/2025 Gallagher Capital Advisors LLC26,075$25K0.0%N/A0.021% 2/6/2025 Charles Schwab Investment Management Inc.301,648$285K0.0%-13.2%0.240% 2/4/2025 Bank of New York Mellon Corp289,727$274K0.0%-4.6%0.230% 1/17/2025 SG Americas Securities LLC103,865$98K0.0%+148.2%0.083% 12/26/2024 JPMorgan Chase & Co.149,642$227K0.0%+177.1%0.119% 11/20/2024 Virtu Financial LLC50,647$77K0.0%-32.6%0.040% 11/19/2024 Barclays PLC167,718$255K0.0%+280.9%0.133% 11/16/2024 Geode Capital Management LLC2,814,446$4.28M0.0%+1.6%2.238% 11/15/2024 Barclays PLC167,718$255K0.0%+280.9%0.133% 11/15/2024 XTX Topco Ltd49,616$75K0.0%+101.2%0.039% 11/15/2024 Jane Street Group LLC136,935$208K0.0%-47.3%0.109% 11/15/2024 State Street Corp1,732,221$2.63M0.0%+4.2%1.377% 11/14/2024 MetLife Investment Management LLC23,978$36K0.0%-28.2%0.019% 11/13/2024 The Manufacturers Life Insurance Company49,113$75K0.0%N/A0.039% 11/12/2024 Charles Schwab Investment Management Inc.347,610$528K0.0%-6.0%0.276% 11/9/2024 Intech Investment Management LLC19,395$29K0.0%N/A0.015% 11/8/2024 Connor Clark & Lunn Investment Management Ltd.199,754$304K0.0%-4.5%0.159% 10/3/2024 SG Americas Securities LLC41,849$64K0.0%+254.3%0.033% 8/12/2024 XTX Topco Ltd24,665$29K0.0%N/A0.020% 8/9/2024 Renaissance Technologies LLC1,550,910$1.85M0.0%+11.9%1.233% 8/1/2024 Rhumbline Advisers135,118$161K0.0%N/A0.107% 7/26/2024 Bank of New York Mellon Corp411,667$490K0.0%+3,160.5%0.327% 5/24/2024Cetera Advisors LLC39,898$72K0.0%N/A0.032% 5/20/2024 Virtu Financial LLC83,941$151K0.0%N/A0.067% 5/10/2024 Vanguard Group Inc.5,753,993$10.36M0.0%+1.4%4.592% 4/22/2024 PFG Investments LLC23,650$43K0.0%N/A0.019% 11/13/2023 Connor Clark & Lunn Investment Management Ltd.133,591$98K0.0%N/A0.106% 7/27/2023 Virtu Financial LLC86,813$109K0.0%N/A0.069% Collect $7k per month from Tesla’s SECRET dividend (Ad)There's a little-known secret about Tesla that even seasoned investors don't know. Despite not paying a traditional dividend, there's a way to collect up to $7,013 per month from Tesla… starting as early as next month. This backdoor strategy is changing the game for smart investors. Want to see how it works?Click here to uncover Tesla's hidden income secret.7/7/2023 LVM Capital Management Ltd. MI21,000$26K0.0%N/A0.017% 2/1/2023 Bank of Montreal Can175,699$105K0.0%N/A0.139% 11/14/2022Ergoteles LLC316,253$264K0.0%-38.5%0.250% 8/15/2022 Laurion Capital Management LP2,225,800$2.43M0.0%N/A1.758% 5/11/2022 GSA Capital Partners LLP66,223$83K0.0%N/A0.052% 4/18/2022 Spire Wealth Management94,000$118K0.0%+67.9%0.074% 2/14/2022ETF Managers Group LLC38,452$64K0.0%N/A0.030% 2/11/2022QCM Cayman Ltd.22,301$36K0.2%N/A0.018% 2/10/2022 Qube Research & Technologies Ltd287,989$461K0.0%N/A0.227% 2/9/2022 Principal Financial Group Inc.26,254$42K0.0%+144.2%0.021% 2/9/2022 Alps Advisors Inc.146,542$234K0.0%N/A0.116% 2/8/2022 ProShare Advisors LLC25,560$41K0.0%+70.5%0.020% 2/8/2022 Northern Trust Corp1,049,488$1.68M0.0%-3.1%0.829% 2/7/2022 SG Americas Securities LLC36,270$58K0.0%-55.9%0.029% 2/1/2022 Qube Research & Technologies Ltd287,989$461K0.0%N/A0.227% 11/16/2021 Metropolitan Life Insurance Co NY15,468$50K0.0%-54.1%0.012% 11/15/2021 Franklin Resources Inc.14,300$47K0.0%N/A0.011% 11/15/2021 Martingale Asset Management L P28,381$93K0.0%+28.5%0.022% 11/12/2021 Geode Capital Management LLC2,109,160$6.88M0.0%+7.1%1.666% 11/12/2021 Bank of Nova Scotia152,115$495K0.0%-56.4%0.120% 11/12/2021First Republic Investment Management Inc.11,000$36K0.0%N/A0.009% 11/10/2021 Goldman Sachs Group Inc.207,569$676K0.0%+315.1%0.164% 11/9/2021 Barclays PLC47,810$156K0.0%+107.2%0.038% 11/9/2021BlackRock Inc.9,550,629$31.14M0.0%+6.7%7.543% 11/8/2021 State Board of Administration of Florida Retirement System68,685$224K0.0%+407.8%0.054% 11/4/2021 Deutsche Bank AG127,749$416K0.0%+83.9%0.101% 11/2/2021 New York State Common Retirement Fund55,321$180K0.0%-44.8%0.044% 11/1/2021 SG Americas Securities LLC82,160$268K0.0%N/A0.065% 10/29/2021 Commonwealth Equity Services LLC28,442$92K0.0%-14.8%0.022% 10/27/2021 Newbridge Financial Services Group Inc.32,000$104K0.1%N/A0.025% 10/22/2021 Spire Wealth Management61,000$199K0.0%+27.1%0.048% 10/22/2021Strs Ohio14,200$46K0.0%-47.6%0.011% 10/19/2021 Kestra Advisory Services LLC10,500$34K0.0%N/A0.008% 10/14/2021 Private Advisor Group LLC11,205$37K0.0%N/A0.009% 9/17/2021 Virtu Financial LLC18,624$118K0.0%-93.2%0.015% 9/3/2021Parametric Portfolio Associates LLC52,128$329K0.0%N/A0.041% 8/24/2021 Mariner LLC114,860$726K0.0%N/A0.091% 8/17/2021 Invesco Ltd.1,851,353$11.70M0.0%N/A1.464% 8/17/2021 Metropolitan Life Insurance Co NY33,687$213K0.0%N/A0.027% 8/17/2021 Millennium Management LLC1,666,911$10.54M0.0%N/A1.318% 8/17/2021 MetLife Investment Management LLC44,000$278K0.0%N/A0.035% 8/17/2021 Price T Rowe Associates Inc. MD24,844$157K0.0%N/A0.020% 8/16/2021 Squarepoint Ops LLC188,259$1.19M0.0%N/A0.149% 8/16/2021 Amalgamated Bank16,827$106K0.0%N/A0.013% 8/16/2021 Cubist Systematic Strategies LLC5,257$33K0.0%N/A0.004% 8/16/2021 California State Teachers Retirement System161,269$1.02M0.0%N/A0.128% 8/16/2021Enlightenment Research LLC73,100$462K0.6%N/A0.058% 8/16/2021 Charles Schwab Investment Management Inc.293,958$1.86M0.0%+976.5%0.232% 8/16/2021 State Street Corp2,032,668$12.85M0.0%N/A1.608% 8/16/2021 Nuveen Asset Management LLC1,097,131$6.93M0.0%N/A0.868% Collect $7k per month from Tesla’s SECRET dividend (Ad)There's a little-known secret about Tesla that even seasoned investors don't know. Despite not paying a traditional dividend, there's a way to collect up to $7,013 per month from Tesla… starting as early as next month. This backdoor strategy is changing the game for smart investors. Want to see how it works?Click here to uncover Tesla's hidden income secret.8/16/2021 Goldman Sachs Group Inc.50,007$316K0.0%-21.6%0.040% 8/13/2021 Northern Trust Corp1,123,852$7.10M0.0%+671.6%0.889% 8/13/2021 Geode Capital Management LLC1,968,745$12.44M0.0%+303.3%1.557% 8/13/2021 Vanguard Group Inc.5,762,626$36.42M0.0%+81.2%4.558% 8/13/2021 ProShare Advisors LLC30,351$192K0.0%N/A0.024% 8/12/2021 State of Wisconsin Investment Board151,300$956K0.0%N/A0.120% 8/12/2021 Legal & General Group Plc11,736$74K0.0%N/A0.009% 8/12/2021 JPMorgan Chase & Co.156,324$988K0.0%N/A0.124% 8/12/2021 Bank of Nova Scotia348,698$2.20M0.0%N/A0.276% 8/12/2021 The Manufacturers Life Insurance Company67,879$429K0.0%N/A0.054% (Data available from 1/1/2016 forward) ATOS Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of ATOS shares? During the previous two years, 27 institutional investors and hedge funds held shares of Atossa Therapeutics. The most heavily invested institutionals were Vanguard Group Inc. ($10.36M), Geode Capital Management LLC ($4.28M), State Street Corp ($2.63M), Renaissance Technologies LLC ($1.47M), Northern Trust Corp ($968K), JPMorgan Chase & Co. ($341K), and Connor Clark & Lunn Investment Management Ltd. ($304K).Learn more on ATOS's institutional investors. What percentage of Atossa Therapeutics stock is owned by institutional investors? 12.74% of Atossa Therapeutics stock is owned by institutional investors. Learn more on ATOS's institutional investor holdings. Which institutional investors have been buying Atossa Therapeutics stock? Of the 23 institutional investors that purchased Atossa Therapeutics stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Renaissance Technologies LLC ($412.10K), Bank of New York Mellon Corp ($399.04K), Virtu Financial LLC ($328.30K), JPMorgan Chase & Co. ($307.30K), Barclays PLC ($271.60K), Rhumbline Advisers ($135.12K), and Connor Clark & Lunn Investment Management Ltd. ($133.59K). How much institutional buying is happening at Atossa Therapeutics? Institutional investors have bought a total of 2,757,310 shares in the last 24 months. This purchase volume represents approximately $3.31M in transactions. Which Atossa Therapeutics major shareholders have been selling company stock? The following institutional investors have sold Atossa Therapeutics stock in the last 24 months: Jane Street Group LLC ($123.15K), Charles Schwab Investment Management Inc. ($68.34K), Virtu Financial LLC ($24.48K), LPL Financial LLC ($15.96K), Bank of New York Mellon Corp ($13.92K), Connor Clark & Lunn Investment Management Ltd. ($9.49K), and MetLife Investment Management LLC ($9.43K). How much institutional selling is happening at Atossa Therapeutics? Institutional investors have sold a total of 264,756 shares in the last 24 months. This volume of shares sold represents approximately $358.75K in transactions. Related Companies AKBA Major Shareholders PRME Major Shareholders ORKA Major Shareholders RVNC Major Shareholders TKNO Major Shareholders ETON Major Shareholders AURA Major Shareholders ATXS Major Shareholders PHAT Major Shareholders GLUE Major Shareholders This page (NASDAQ:ATOS) was last updated on 3/3/2025 by MarketBeat.com Staff From Our PartnersDOGE Social Security bombshell?Elon Musk just dropped another bombshell... He revealed his DOGE organization has been taking aim at Social...Altimetry | SponsoredElon Musk Wants to Audit Fort Knox—What It Means for Your RetirementYou can take advantage of the coming tariff-fueled gold melt-up right inside your IRA or 401(k) – 100% TAX-FRE...Colonial Metals | SponsoredURGENT: This Altcoin Opportunity Won’t Wait – Act NowCrypto has officially entered the "banana zone" – that wild phase where prices can 1000x in days. 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The reason why is a new, secretive move being c...Stansberry Research | Sponsored Adding Choose a watchlist: Watchlist Adding You have already added five stocks to your watchlist. Upgrade to MarketBeat All Access to add more stocks to your watchlist. Adding Atossa Therapeutics, Inc. Please log in to your account or sign up in order to add this asset to your watchlist. Share Atossa Therapeutics With A Colleague Link copied to clipboard. Get 30 Days of MarketBeat All Access for Free Sign up for MarketBeat All Access to gain access to MarketBeat's full suite of research tools. Start Your 30-Day Trial MarketBeat All Access Features Best-in-Class Portfolio Monitoring Get personalized stock ideas. Compare portfolio to indices. Check stock news, ratings, SEC filings, and more. Stock Ideas and Recommendations See daily stock ideas from top analysts. Receive short-term trading ideas from MarketBeat. Identify trending stocks on social media. 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