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ATOSSA THERPTCS (ATOS)
NASDAQ
$2.35-$0.05 (-2.08%)
Price as of Jul 14, 2026 4:38 AM EDT- $23.9MMarket Cap
- -82.92%1-Year Change
- BiotechnologyIndustry
ATOSSA THERPTCS (ATOS)
$2.35-$0.05 (-2.08%)
Top Holders
Institutional
Mutual Funds
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
BLACKROCK FUNDING, INC. /DE | 113.33% | 9.8M | +91,934 (+0.94%) | Dec 31, 2024 |
BLACKROCK INC. | 106.80% | 9.2M | +6.4M (+70.09%) | Jun 30, 2024 |
VANGUARD GROUP INC | 71.39% | 6.1M | +68,994 (+1.12%) | Dec 31, 2025 |
TWO SIGMA INVESTMENTS LLC | 27.54% | 2.4M | +2.3M (+96.18%) | Dec 31, 2021 |
TWO SIGMA ADVISERS, LLC | 18.56% | 1.6M | +1.5M (+94.49%) | Dec 31, 2021 |
N/A | 4.05% | 349,096 | +349,096 (+100.00%) | Mar 31, 2026 |
AMERIPRISE FINANCIAL INC | 2.96% | 255,134 | +255,134 (+100.00%) | Mar 31, 2026 |
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
INVESCO EXCHANGE-TRADED FUND TRUST | 16.72% | 1.4M | 0 (0.00%) | Apr 30, 2026 |
FIDELITY SALEM STREET TRUST | 15.33% | 1.3M | 0 (0.00%) | Apr 30, 2026 |
FIDELITY CONCORD STREET TRUST | 12.41% | 1.1M | 0 (0.00%) | Apr 30, 2026 |
VANGUARD SCOTTSDALE FUNDS | 8.39% | 722,365 | 0 (0.00%) | Feb 28, 2026 |
VANGUARD EXPLORER FUND | 8.11% | 698,520 | 0 (0.00%) | Apr 30, 2026 |
VANGUARD INDEX FUNDS | 3.98% | 342,557 | +342,557 (+100.00%) | Mar 31, 2026 |
Invesco Exchange-Traded Fund Trust II | 3.84% | 330,524 | 0 (0.00%) | Apr 30, 2026 |
Current Ownership Distribution
- Institutions404.3M (74.13%)
- Mutual Funds138.9M (25.47%)
- Insiders2.2M (0.40%)
- Other0 (0.00%)
Insider Transactions
- 0.40% (2.2M)Current InsiderOwnership (%, shares)
- 0Number of InsiderBuying (last 12 months)
- $0.00Amount of InsiderBuying (last 12 months)
- 0Number of InsiderSelling (last 12 months)
- $0.00Amount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
QUAY STEVEN C President & CEO | Award | Mar 27, 2026 | $0.00 | 65,000 | $0.00 | 88,038 |
Daniel Mark James Chief Financial Officer | Award | Mar 26, 2026 | $0.00 | 63,000 | $0.00 | 63,000 |
QUAY STEVEN C President & CEO | Award | Jan 20, 2026 | $572,850.00 | 950,000 | $0.60 | 950,000 |
QUAY STEVEN C President & CEO | Award | Jan 20, 2026 | $0.00 | 325,203 | $0.00 | 339,101 |
Daniel Mark James Chief Financial Officer | Award | Oct 14, 2025 | $0.00 | 578,000 | $0.00 | 578,000 |
QUAY STEVEN C President & CEO | Buy | May 21, 2025 | $9,886.95 | 11,239 | $0.88 | 13,898 |
Remmel H. Lawrence | Buy | Mar 26, 2025 | $7,000.00 | 10,000 | $0.70 | 10,257 |