BOSTON, MA
PYXIS ONCOLOGY, INC.PYXS— Latest position per institution from SEC 13F filings
15
Institutional holders
43.55M
Total shares held
80.19M
Estimated value
2.18M
Avg. position size
PFIZER INC
CIK 78003
Shares
7.03M
Value
9.21M
Filed
Mar 31, 2026
LAURION CAPITAL MANAGEMENT LP
CIK 1390202
Shares
5M
Value
7.30M
Filed
Mar 31, 2026
DEEP TRACK CAPITAL, LP
CIK 1856083
Shares
4.18M
Value
15.36M
Filed
Sep 30, 2024
GORDONMD GLOBAL INVESTMENTS LP
CIK 2039349
Shares
4.12M
Value
6.02M
Filed
Mar 31, 2026
BVF INC/IL
CIK 1056807
Shares
2.94M
Value
3.94M
Filed
Dec 31, 2022
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
2.79M
Value
9.22M
Filed
Jun 30, 2024
TANG CAPITAL MANAGEMENT LLC
CIK 1232621
Shares
2.50M
Value
5.55M
Filed
Sep 30, 2025
VANGUARD GROUP INC
CIK 102909
Shares
2.34M
Value
2.69M
Filed
Dec 31, 2025
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
2.03M
Value
2.97M
Filed
Mar 31, 2026
NEWTYN MANAGEMENT, LLC
CIK 1569241
Shares
1.50M
Value
2.01M
Filed
Dec 31, 2022
PERCEPTIVE ADVISORS LLC
CIK 1224962
Shares
1.18M
Value
2.62M
Filed
Sep 30, 2025
BLUE OWL CAPITAL HOLDINGS LP
CIK 1858703
Shares
1.13M
Value
4.13M
Filed
Sep 30, 2024
PALO ALTO INVESTORS LP
CIK 1306923
Shares
1.01M
Value
1.48M
Filed
Mar 31, 2026
ABERDEEN GROUP PLC
CIK 1716774
Shares
913.04K
Value
1M
Filed
Jun 30, 2025
683 CAPITAL MANAGEMENT, LLC
CIK 1404574
Shares
896.26K
Value
1.31M
Filed
Mar 31, 2026
RENAISSANCE TECHNOLOGIES LLC
CIK 1037389
Shares
888.68K
Value
1.30M
Filed
Mar 31, 2026
ORBIMED ADVISORS LLC
CIK 1055951
Shares
848.25K
Value
1.14M
Filed
Dec 31, 2022
BLACKROCK, INC.
CIK 2012383
Shares
788.84K
Value
1.15M
Filed
Mar 31, 2026
RA CAPITAL MANAGEMENT, L.P.
CIK 1346824
Shares
764.65K
Value
1.51K
Filed
Sep 30, 2022
TEKLA CAPITAL MANAGEMENT LLC
CIK 1300336
Shares
708.30K
Value
1.81M
Filed
Jun 30, 2023
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | PFIZER INC | 78003 | 7.03M | 9.21M | Mar 31, 2026 |
| 2 | LAURION CAPITAL MANAGEMENT LP | 1390202 | 5M | 7.30M | Mar 31, 2026 |
| 3 | DEEP TRACK CAPITAL, LP | 1856083 | 4.18M | 15.36M | Sep 30, 2024 |
| 4 | GORDONMD GLOBAL INVESTMENTS LP | 2039349 | 4.12M | 6.02M | Mar 31, 2026 |
| 5 | BVF INC/IL | 1056807 | 2.94M | 3.94M | Dec 31, 2022 |
| 6 | BLACKROCK FINANCE, INC. | 1364742 | 2.79M | 9.22M | Jun 30, 2024 |
| 7 | TANG CAPITAL MANAGEMENT LLC | 1232621 | 2.50M | 5.55M | Sep 30, 2025 |
| 8 | VANGUARD GROUP INC | 102909 | 2.34M | 2.69M | Dec 31, 2025 |
| 9 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 2.03M | 2.97M | Mar 31, 2026 |
| 10 | NEWTYN MANAGEMENT, LLC | 1569241 | 1.50M | 2.01M | Dec 31, 2022 |
| 11 | PERCEPTIVE ADVISORS LLC | 1224962 | 1.18M | 2.62M | Sep 30, 2025 |
| 12 | BLUE OWL CAPITAL HOLDINGS LP | 1858703 | 1.13M | 4.13M | Sep 30, 2024 |
| 13 | PALO ALTO INVESTORS LP | 1306923 | 1.01M | 1.48M | Mar 31, 2026 |
| 14 | ABERDEEN GROUP PLC | 1716774 | 913.04K | 1M | Jun 30, 2025 |
| 15 | 683 CAPITAL MANAGEMENT, LLC | 1404574 | 896.26K | 1.31M | Mar 31, 2026 |
| 16 | RENAISSANCE TECHNOLOGIES LLC | 1037389 | 888.68K | 1.30M | Mar 31, 2026 |
| 17 | ORBIMED ADVISORS LLC | 1055951 | 848.25K | 1.14M | Dec 31, 2022 |
| 18 | BLACKROCK, INC. | 2012383 | 788.84K | 1.15M | Mar 31, 2026 |
| 19 | RA CAPITAL MANAGEMENT, L.P. | 1346824 | 764.65K | 1.51K | Sep 30, 2022 |
| 20 | TEKLA CAPITAL MANAGEMENT LLC | 1300336 | 708.30K | 1.81M | Jun 30, 2023 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.