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Atossa Therapeutics (ATOS) Ownership - Who Owns Atossa Therapeutics?

Atossa Therapeutics (ATOS) Ownership Overview

  • 2.17% Insiders
  • 27.61% Mutual Funds
  • <0.01% Other Institutional Investors
  • 3.89% ETFs
  • 66.33% Public Companies and Individual Investors

The ownership structure of Atossa Therapeutics (ATOS) stock is a mix of institutional, retail, and individual investors. Approximately 31.50% of the company’s stock is owned by Institutional Investors, 2.17% is owned by Insiders, and 66.33% is owned by Public Companies and Individual Investors.

Recent Insider Trading Activity

Recent Insider Trading Activity
DateNameActivityValue

Recent Hedge Fund Trading Activity

Recent Hedge Fund Trading Activity
DateFirmActivityValue
Jun 30, 2026 $317,211

Top Shareholders

ATOS top shareholders
Holder# of SharesType% HoldingValue
Columbia Funds Series Trust I2,093,530Institution20.98%4,542,960
Vanguard355,208Institution3.56%770,801
Vanguard Index Funds355,208Institution3.56%770,801
Kenneth Tropin211,369Institution2.12%458,671
Columbia Funds Series Trust I201,434Institution2.02%437,112
BlackRock, Inc.164,358Institution1.65%356,657
Steven Quay89,521Insider0.90%194,261
Fidelity Concord Street Trust76,660Institution0.77%166,352
Daniel Mark James 63,000Insider0.63%136,710
Ishares32,537Institution0.33%70,605

Top Mutual Fund Holders

ATOS top mutual fund holders
Holder# of SharesType% HoldingValue
Columbia Funds Series Trust I2,093,530Institution20.98%4,542,960
Vanguard Index Funds355,208Institution3.56%770,801
Columbia Funds Series Trust I201,434Institution2.02%437,112
Fidelity Concord Street Trust76,660Institution0.77%166,352
Victory Portfolios Iii14,186Institution0.14%30,784
Vanguard Valley Forge Funds6,539Institution0.07%14,190
Morgan Stanley Pathway Funds6,272Institution0.06%13,610
Profunds1,793Institution0.02%3,891

Top ETF Holders

ATOS top ETF holders
Holder# of SharesType% HoldingValue
Vanguard, VTI ETF256,137Institution2.57%499,467
Vanguard, VXF ETF99,071Institution0.99%193,188
iShares, IWC ETF32,537Institution0.33%72,558

FAQ

Who Owns Atossa Therapeutics (ATOS)?
According to the latest TipRanks data, approximately 31.50% of the company's stock is held by institutional investors, 2.17% is held by insiders, and 66.33% is held by public companies and individual investors.
What percentage of Atossa Therapeutics (ATOS) stock is held by institutional investors?
According to the latest TipRanks data, approximately 31.50% of Atossa Therapeutics (ATOS) stock is held by institutional investors: 27.61% by mutual funds, 3.89% by ETFs and <0.01% by other institutional investors.
What percentage of Atossa Therapeutics (ATOS) stock is held by retail investors?
According to the latest TipRanks data, approximately 66.33% of Atossa Therapeutics (ATOS) stock is held by public companies and individual investors.
Who owns the most shares of Atossa Therapeutics (ATOS)?
Columbia Funds Series Trust I owns the most shares of Atossa Therapeutics (ATOS).
What is the significance of the ownership structure for a publicly traded company?
The ownership structure can impact the company's decision making, as large institutional investors may exert influence on the company's management and can also affect the company's stock price with their buying and selling patterns.