Atossa Therapeutics Ownership | Who Owns Atossa Therapeutics?
Atossa Therapeutics Ownership Summary
Atossa Therapeutics is owned by 16.53% institutional investors, 0.07% insiders, and 83.40% retail investors. Blackrock is the largest institutional shareholder, holding 7.34% of ATOS shares. Vanguard US Total Market Shares ETF is the top mutual fund, with 3.05% of its assets in Atossa Therapeutics shares.
ATOS Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Atossa Therapeutics | 16.53% | 0.07% | 83.40% |
| Sector | Healthcare Stocks | 492.67% | 11.09% | -403.76% |
| Industry | Biotech Stocks | 295.31% | 11.22% | -206.53% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Blackrock | 9.20M | 7.34% | $10.94M |
| Vanguard group | 6.08M | 4.71% | $5.27M |
| Ameriprise financial | 2.95M | 2.29% | $2.56B |
| Blackrock funding, inc. /de | 2.00M | 1.55% | $1.73M |
| Renaissance | 1.55M | 1.20% | $1.34M |
| Geode capital management | 1.36M | 1.05% | $1.18M |
| State street | 454.50K | 0.35% | $394.05K |
| Gsa capital partners llp | 310.75K | 0.24% | $269.00K |
| Northern trust | 263.38K | 0.20% | $228.35K |
| Ubs group | 260.72K | 0.20% | $226.05K |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Gsa capital partners llp | 310.75K | 0.02% | $269.00K |
| Gallagher capital advisors | 31.57K | 0.02% | $27.47K |
| Point72 asia (singapore) pte. | 44.11K | 0.01% | $38.24K |
| Graham capital management | 165.45K | 0.00% | $143.44K |
| Renaissance | 1.55M | 0.00% | $1.34M |
| Lvm capital management ltd/mi | 21.00K | 0.00% | $18.00K |
| Xtx topco | 24.85K | 0.00% | $21.54K |
| Pfg investments | 21.25K | 0.00% | $18.42K |
| Planning capital management | 1.00K | 0.00% | $1.19K |
| J. l. bainbridge | 11.12K | 0.00% | $9.64K |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Blackrock | 9.20M | 0.00% | 6.45M |
| Gsa capital partners llp | 310.75K | 0.02% | 259.73K |
| Vanguard group | 6.08M | 0.00% | 245.72K |
| Graham capital management | 165.45K | 0.00% | 165.45K |
| Susquehanna group, llp | 226.18K | - | 154.40K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Laurion capital management lp | - | - | -2.23M |
| Y-intercept (hong kong) | - | - | -386.33K |
| Goldman sachs group | - | - | -334.95K |
| Jane street group | 162.43K | - | -296.30K |
| Qube research | 138.64K | 0.00% | -277.73K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Graham capital management | 165.45K | 0.00% | 165.45K | $143.44K |
| Acadian asset management | 97.29K | 0.00% | 97.29K | $82.00K |
| Sigma planning | 24.00K | 0.00% | 24.00K | $20.81K |
| Rockefeller capital management | 5.00K | - | 5.00K | $4.33K |
| Huntington national bank | 3.00K | - | 3.00K | $2.60K |
Sold Out
| Holder | Change |
|---|---|
| Larson financial group | -20.00 |
| Capital performance advisors llp | -25.00 |
| Delos wealth advisors | -100.00 |
| Twin peaks wealth advisors | -100.00 |
| Group one trading | -193.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Jun 30, 2025 | 86 | - | 21,349,077 | -24.72% | 16 | 3.43% | 39 | 44.44% | 25 | -19.35% |
| Mar 31, 2025 | 86 | -1.15% | 28,358,791 | -5.26% | 21 | 3.88% | 27 | -32.50% | 31 | 47.62% |
| Dec 31, 2024 | 87 | -4.40% | 29,932,716 | 9.47% | 23 | 5.04% | 40 | 11.11% | 21 | -19.23% |
| Sep 30, 2024 | 91 | 12.35% | 27,343,751 | 4.42% | 21 | 4.98% | 37 | -22.92% | 25 | 78.57% |
| Jun 30, 2024 | 81 | 14.08% | 26,186,185 | 35.76% | 20 | 8.82% | 48 | 29.73% | 13 | 44.44% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard US Total Market Shares ETF | 3.94M | 3.05% | - |
| Vanguard Total Stock Mkt Idx Inv | 3.85M | 2.98% | -85.03K |
| iShares Russell 2000 ETF | 3.15M | 2.44% | - |
| Columbia Small Cap Value Discv A | 2.09M | 1.62% | 57.50K |
| Columbia Small Cap Value I A | 2.09M | 1.62% | 57.50K |
| Columbia Small Cap Value I | 2.04M | 1.58% | 2.04M |
| Columbia Small Cap Value Discovery Fund | 2.04M | 1.58% | 2.04M |
| Fidelity Small Cap Index | 1.29M | 1.00% | - |
| Vanguard Institutional Extnd Mkt Idx Tr | 1.17M | 0.90% | -501.45K |
| iShares Russell 2000 Value ETF | 1.01M | 0.78% | - |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| May 21, 2025 | QUAY STEVEN C | President & CEO | Buy | $9.89K |
| Mar 26, 2025 | Remmel H. Lawrence | - | Buy | $7.00K |
| Apr 10, 2024 | Finn Jonathan | - | Buy | $44.25K |
| Nov 15, 2023 | WEAVER GREGORY L | Former EVP, CFO, & Director | Sell | $32.50K |
| Jun 20, 2023 | WEAVER GREGORY L | EVP & CFO | Buy | $48.50K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2025 Q2 | 1 | - |
| 2025 Q1 | 1 | - |
| 2024 Q2 | 1 | - |
| 2024 Q1 | - | - |
| 2023 Q4 | - | 1 |
ATOS Ownership FAQ
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