SEATTLE, WA
ATOSSA THERAPEUTICS, INC.ATOS— Latest position per institution from SEC 13F filings
15
Institutional holders
1.53M
Total shares held
2.76M
Estimated value
76.42K
Avg. position size
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
361.75K
Value
698.17K
Filed
Jun 30, 2026
AMERIPRISE FINANCIAL INC
CIK 820027
Shares
258.23K
Value
498.39K
Filed
Jun 30, 2026
BLACKROCK, INC.
CIK 2012383
Shares
164.36K
Value
317.21K
Filed
Jun 30, 2026
ASTER CAPITAL MANAGEMENT (DIFC) LTD
CIK 2040915
Shares
144.85K
Value
120.23K
Filed
Jun 30, 2026
RENAISSANCE TECHNOLOGIES LLC
CIK 1037389
Shares
132.04K
Value
254.84K
Filed
Jun 30, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
92.38K
Value
178.34K
Filed
Jun 30, 2026
UBS GROUP AG
CIK 1610520
Shares
82.62K
Value
159.46K
Filed
Jun 30, 2026
JANE STREET GROUP, LLC
CIK 1595888
Shares
56.60K
Value
109.24K
Filed
Jun 30, 2026
VANGUARD FIDUCIARY TRUST CO
CIK 933478
Shares
52.58K
Value
101.48K
Filed
Jun 30, 2026
MILLENNIUM MANAGEMENT LLC
CIK 1273087
Shares
46.51K
Value
89.76K
Filed
Jun 30, 2026
STATE STREET CORP
CIK 93751
Shares
39.76K
Value
76.74K
Filed
Jun 30, 2026
MARSHALL WACE, LLP
CIK 1318757
Shares
28.07K
Value
16.56K
Filed
Dec 31, 2025
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 1446194
Shares
26.87K
Value
51.87K
Filed
Jun 30, 2026
NORTHERN TRUST CORP
CIK 73124
Shares
20.25K
Value
39.08K
Filed
Jun 30, 2026
MORGAN STANLEY
CIK 895421
Shares
12.35K
Value
23.82K
Filed
Jun 30, 2026
VANGUARD GLOBAL ADVISERS, LLC
CIK 1811242
Shares
3.09K
Value
5.96K
Filed
Jun 30, 2026
JONES FINANCIAL COMPANIES LLLP
CIK 815917
Shares
2.06K
Value
3.88K
Filed
Jun 30, 2026
ROYAL BANK OF CANADA
CIK 1000275
Shares
1.99K
Value
4K
Filed
Jun 30, 2026
MCF ADVISORS LLC
CIK 1602905
Shares
1.07K
Value
2.06K
Filed
Jun 30, 2026
TOWER RESEARCH CAPITAL LLC (TRC)
CIK 1533421
Shares
863.00
Value
4.54K
Filed
Mar 31, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 361.75K | 698.17K | Jun 30, 2026 |
| 2 | AMERIPRISE FINANCIAL INC | 820027 | 258.23K | 498.39K | Jun 30, 2026 |
| 3 | BLACKROCK, INC. | 2012383 | 164.36K | 317.21K | Jun 30, 2026 |
| 4 | ASTER CAPITAL MANAGEMENT (DIFC) LTD | 2040915 | 144.85K | 120.23K | Jun 30, 2026 |
| 5 | RENAISSANCE TECHNOLOGIES LLC | 1037389 | 132.04K | 254.84K | Jun 30, 2026 |
| 6 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 92.38K | 178.34K | Jun 30, 2026 |
| 7 | UBS GROUP AG | 1610520 | 82.62K | 159.46K | Jun 30, 2026 |
| 8 | JANE STREET GROUP, LLC | 1595888 | 56.60K | 109.24K | Jun 30, 2026 |
| 9 | VANGUARD FIDUCIARY TRUST CO | 933478 | 52.58K | 101.48K | Jun 30, 2026 |
| 10 | MILLENNIUM MANAGEMENT LLC | 1273087 | 46.51K | 89.76K | Jun 30, 2026 |
| 11 | STATE STREET CORP | 93751 | 39.76K | 76.74K | Jun 30, 2026 |
| 12 | MARSHALL WACE, LLP | 1318757 | 28.07K | 16.56K | Dec 31, 2025 |
| 13 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 1446194 | 26.87K | 51.87K | Jun 30, 2026 |
| 14 | NORTHERN TRUST CORP | 73124 | 20.25K | 39.08K | Jun 30, 2026 |
| 15 | MORGAN STANLEY | 895421 | 12.35K | 23.82K | Jun 30, 2026 |
| 16 | VANGUARD GLOBAL ADVISERS, LLC | 1811242 | 3.09K | 5.96K | Jun 30, 2026 |
| 17 | JONES FINANCIAL COMPANIES LLLP | 815917 | 2.06K | 3.88K | Jun 30, 2026 |
| 18 | ROYAL BANK OF CANADA | 1000275 | 1.99K | 4K | Jun 30, 2026 |
| 19 | MCF ADVISORS LLC | 1602905 | 1.07K | 2.06K | Jun 30, 2026 |
| 20 | TOWER RESEARCH CAPITAL LLC (TRC) | 1533421 | 863.00 | 4.54K | Mar 31, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.