SEATTLE, WA
ATOSSA THERAPEUTICS, INC.ATOS— Latest position per institution from SEC 13F filings
15
Institutional holders
1.32M
Total shares held
6.82M
Estimated value
66.05K
Avg. position size
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
349.10K
Value
1.84M
Filed
Mar 31, 2026
AMERIPRISE FINANCIAL INC
CIK 820027
Shares
255.13K
Value
1.34M
Filed
Mar 31, 2026
BLACKROCK, INC.
CIK 2012383
Shares
133.17K
Value
700.47K
Filed
Mar 31, 2026
RENAISSANCE TECHNOLOGIES LLC
CIK 1037389
Shares
109.01K
Value
573.38K
Filed
Mar 31, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
97.06K
Value
510.66K
Filed
Mar 31, 2026
UBS GROUP AG
CIK 1610520
Shares
92.03K
Value
484.10K
Filed
Mar 31, 2026
MILLENNIUM MANAGEMENT LLC
CIK 1273087
Shares
66.74K
Value
351.05K
Filed
Mar 31, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 1446194
Shares
55K
Value
289.30K
Filed
Mar 31, 2026
VANGUARD FIDUCIARY TRUST CO
CIK 933478
Shares
52.23K
Value
274.76K
Filed
Mar 31, 2026
STATE STREET CORP
CIK 93751
Shares
39.76K
Value
209.14K
Filed
Mar 31, 2026
MARSHALL WACE, LLP
CIK 1318757
Shares
28.07K
Value
16.56K
Filed
Dec 31, 2025
NORTHERN TRUST CORP
CIK 73124
Shares
19.22K
Value
101.12K
Filed
Mar 31, 2026
MORGAN STANLEY
CIK 895421
Shares
16.20K
Value
85.22K
Filed
Mar 31, 2026
VANGUARD GLOBAL ADVISERS, LLC
CIK 1811242
Shares
3.09K
Value
16.25K
Filed
Mar 31, 2026
JONES FINANCIAL COMPANIES LLLP
CIK 815917
Shares
2.06K
Value
9.73K
Filed
Mar 31, 2026
TOWER RESEARCH CAPITAL LLC (TRC)
CIK 1533421
Shares
863.00
Value
4.54K
Filed
Mar 31, 2026
ROYAL BANK OF CANADA
CIK 1000275
Shares
644.00
Value
3K
Filed
Mar 31, 2026
GROUP ONE TRADING LLC
CIK 932540
Shares
609.00
Value
3.20K
Filed
Mar 31, 2026
OSAIC HOLDINGS, INC.
CIK 1677044
Shares
587.00
Value
3.09K
Filed
Mar 31, 2026
ROCKEFELLER CAPITAL MANAGEMENT L.P.
CIK 1739439
Shares
353.00
Value
1.86K
Filed
Mar 31, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 349.10K | 1.84M | Mar 31, 2026 |
| 2 | AMERIPRISE FINANCIAL INC | 820027 | 255.13K | 1.34M | Mar 31, 2026 |
| 3 | BLACKROCK, INC. | 2012383 | 133.17K | 700.47K | Mar 31, 2026 |
| 4 | RENAISSANCE TECHNOLOGIES LLC | 1037389 | 109.01K | 573.38K | Mar 31, 2026 |
| 5 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 97.06K | 510.66K | Mar 31, 2026 |
| 6 | UBS GROUP AG | 1610520 | 92.03K | 484.10K | Mar 31, 2026 |
| 7 | MILLENNIUM MANAGEMENT LLC | 1273087 | 66.74K | 351.05K | Mar 31, 2026 |
| 8 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 1446194 | 55K | 289.30K | Mar 31, 2026 |
| 9 | VANGUARD FIDUCIARY TRUST CO | 933478 | 52.23K | 274.76K | Mar 31, 2026 |
| 10 | STATE STREET CORP | 93751 | 39.76K | 209.14K | Mar 31, 2026 |
| 11 | MARSHALL WACE, LLP | 1318757 | 28.07K | 16.56K | Dec 31, 2025 |
| 12 | NORTHERN TRUST CORP | 73124 | 19.22K | 101.12K | Mar 31, 2026 |
| 13 | MORGAN STANLEY | 895421 | 16.20K | 85.22K | Mar 31, 2026 |
| 14 | VANGUARD GLOBAL ADVISERS, LLC | 1811242 | 3.09K | 16.25K | Mar 31, 2026 |
| 15 | JONES FINANCIAL COMPANIES LLLP | 815917 | 2.06K | 9.73K | Mar 31, 2026 |
| 16 | TOWER RESEARCH CAPITAL LLC (TRC) | 1533421 | 863.00 | 4.54K | Mar 31, 2026 |
| 17 | ROYAL BANK OF CANADA | 1000275 | 644.00 | 3K | Mar 31, 2026 |
| 18 | GROUP ONE TRADING LLC | 932540 | 609.00 | 3.20K | Mar 31, 2026 |
| 19 | OSAIC HOLDINGS, INC. | 1677044 | 587.00 | 3.09K | Mar 31, 2026 |
| 20 | ROCKEFELLER CAPITAL MANAGEMENT L.P. | 1739439 | 353.00 | 1.86K | Mar 31, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.