Pyxis Oncology, Inc. (PYXS) ownership: Top institutional holder: Pfizer Inc ($9.21M). Insider activity: Net Seller (0 buys, 13 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| Pfizer Inc | 7032770.00 | $9.21M | 2026-03-31 |
| Laurion Capital Management LP | 4997333.00 | $7.30M | 2026-03-31 |
| GordonMD Global Investments LP | 4121870.00 | $6.02M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 2033510.00 | $2.97M | 2026-03-31 |
| VANGUARD GROUP INC | 2335768.00 | $2.69M | 2025-12-31 |
| Atle Fund Management AB | 197036.00 | $1.62M | 2026-03-31 |
| Palo Alto Investors LP | 1010510.00 | $1.48M | 2026-03-31 |
| 683 Capital Management, LLC | 896263.00 | $1.31M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-03-24 | |
| Sell | null | 2026-03-24 | |
| Sell | null | 2026-03-24 | |
| Sell | null | 2026-03-24 | |
| Sell | null | 2026-03-24 | |
| Sell | null | 2026-03-24 | |
| Sell | null | 2026-03-24 | |
| Sell | null | 2026-03-24 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.