PYXIS ONCOLOGY INC PYXS
COMMON STOCK · Common Stock · CUSIP 747324101
- SectorHealth care
- IndustryPharmaceutical Preparations
- HeadquartersBoston, MA
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($2.1k this quarter). Holder counts are more reliable. Shares outstanding: 61.6m as of 2025-03-17, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $0.98. Options: 5 managers hold calls ($40.6k notional), 4 hold puts ($35.9k).
Trends to Q1 2025
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 38 |
| Q4 2022 | 32 |
| Q1 2023 | 48 |
| Q2 2023 | 49 |
| Q3 2023 | 55 |
| Q4 2023 | 52 |
| Q1 2024 | 72 |
| Q2 2024 | 81 |
| Q3 2024 | 93 |
| Q4 2024 | 100 |
| Q1 2025 | 90 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q2 2023 | 35 | 23 |
| Q3 2023 | 29 | 20 |
| Q4 2023 | 17 | 23 |
| Q1 2024 | 52 | 14 |
| Q2 2024 | 43 | 37 |
| Q3 2024 | 50 | 26 |
| Q4 2024 | 48 | 38 |
| Q1 2025 | 34 | 43 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q2 2024 | $1.7m | $17.6k | 0.01 |
| Q3 2024 | $2.0m | $278.5k | 0.14 |
| Q4 2024 | $1.6m | $80.1k | 0.05 |
| Q1 2025 | $40.6k | $35.9k | 0.88 |
Biggest buyers
| TANG CAPITAL MANAGEMENT LLC | New | +1.1m |
| PIER 88 INVESTMENT PARTNERS LLC | Added | +292.4k |
| RENAISSANCE TECHNOLOGIES LLC | Added | +288.8k |
| MORGAN STANLEY | Added | +203.8k |
| 683 Capital Management, LLC | Added | +135.0k |
| ACADIAN ASSET MANAGEMENT LLC | New | +84.1k |
| ROYAL BANK OF CANADA | Added | +69.0k |
| Verition Fund Management LLC | New | +38.3k |
| GEODE CAPITAL MANAGEMENT, LLC | Added | +26.6k |
| Qube Research & Technologies Ltd | Added | +20.6k |
Biggest sellers
| JACOBS LEVY EQUITY MANAGEMENT, INC | Sold out | -601.9k |
| MILLENNIUM MANAGEMENT LLC | Reduced | -495.6k |
| HHLR ADVISORS, LTD. | Sold out | -382.6k |
| AMERICAN CENTURY COMPANIES INC | Reduced | -273.6k |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | Reduced | -189.2k |
| PERCEPTIVE ADVISORS LLC | Sold out | -188.5k |
| MARSHALL WACE, LLP | Sold out | -158.0k |
| Aristides Capital LLC | Sold out | -124.0k |
| STATE OF WISCONSIN INVESTMENT BOARD | Sold out | -85.6k |
| LMR Partners LLP | Sold out | -77.3k |
Biggest calls
| CITADEL ADVISORS LLC | Reduced | $19.1k19.5k shares |
| GROUP ONE TRADING LLC | Reduced | $14.5k14.8k shares |
| SIMPLEX TRADING, LLC | Reduced | $7.0k7.2k shares |
| Maia Wealth LLC | Unchanged | $12118.9k shares |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | Unchanged | $00 shares |
Biggest puts
| CITADEL ADVISORS LLC | Reduced | $30.3k30.9k shares |
| GROUP ONE TRADING LLC | Added | $4.6k4.7k shares |
| SIMPLEX TRADING, LLC | Reduced | $1.0k1.3k shares |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | Unchanged | $00 shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| GordonMD Global Investments LP 13G · passive investor -1.1 pts · filed 2026-10-09 | 16.4% |
Sullivan Lara
13D · may seek influence
+0.9 pts · filed 2025-04-02
Stated purposeItem 4 of the Schedule 13D is hereby amended and supplemented as follows: The response to Item 3 of this Amendment No. 5 is incorporated by reference herein. Full filing |
11.2% |
| BIOTECHNOLOGY VALUE FUND L P 13G · passive investor new · filed 2026-07-10 | 10.0% |
| Laurion Capital Management LP 13G · institution filed 2026-02-09 | 7.7% |
| Coastlands Capital LP 13G · institution new · filed 2026-10-05 | 5.4% |
Insider purchases and sales in Q1 2025
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q2 2023 | 0 | — | 0 | — | — |
| Q3 2023 | 2 | $73.5k | 1 | $81.4k | — |
| Q4 2023 | 0 | — | 0 | — | — |
| Q1 2024 | 0 | — | 0 | — | — |
| Q2 2024 | 0 | — | 0 | — | — |
| Q3 2024 | 0 | — | 0 | — | — |
| Q4 2024 | 1 | $174.4k | 0 | — | — |
| Q1 2025 | 0 | — | 0 | — | — |
None reported in Q1 2025.
Holders, Q1 2025
| Manager | Shares | Change |
|---|---|---|
| Pfizer Inc 1.38% of their portfolio | 7.0m $6.9m | Unchanged |
| Laurion Capital Management LP 0.27% of their portfolio | 3.6m $3.6m | Unchanged |
| BlackRock, Inc. 0.00% of their portfolio | 3.3m $3.2m | Reduced -72.2k |
| MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio | 2.5m $2.4m | Reduced -495.6k |
| VANGUARD GROUP INC 0.00% of their portfolio | 2.4m $2.4m | Reduced -4.4k |
| GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 1.1m $1.1m | Added +26.6k |
| TANG CAPITAL MANAGEMENT LLC 0.06% of their portfolio | 1.1m $1.1m | New |
| Palo Alto Investors LP 0.19% of their portfolio | 1.0m $1.0m | Unchanged |
| STATE STREET CORP 0.00% of their portfolio | 932.2k $913.5k | Reduced -12.0k |
| Aberdeen Group plc 0.00% of their portfolio | 913.0k $894.7k | Unchanged |
| Ikarian Capital, LLC 0.20% of their portfolio | 613.3k $600.9k | Unchanged |
| RENAISSANCE TECHNOLOGIES LLC 0.00% of their portfolio | 582.1k $570.4k | Added +288.8k |
| 683 Capital Management, LLC 0.05% of their portfolio | 550.0k $538.9k | Added +135.0k |
| MORGAN STANLEY 0.00% of their portfolio | 446.5k $437.5k | Added +203.8k |
| UBS Group AG 0.00% of their portfolio | 396.8k $388.9k | Reduced -49.9k |
| PIER 88 INVESTMENT PARTNERS LLC 0.07% of their portfolio | 391.0k $383.1k | Added +292.4k |
| NORTHERN TRUST CORP 0.00% of their portfolio | 373.7k $366.2k | Reduced -4.9k |
| Decheng Capital LLC 0.09% of their portfolio | 326.8k $320.2k | Unchanged |
| Bank of New York Mellon Corp 0.00% of their portfolio | 272.8k $267.3k | Unchanged |
| BOOTHBAY FUND MANAGEMENT, LLC 0.01% of their portfolio | 181.0k $177.4k | Unchanged |
| GOLDMAN SACHS GROUP INC 0.00% of their portfolio | 160.8k $157.6k | Reduced -23.9k |
| Nuveen, LLC 0.00% of their portfolio | 127.3k $124.7k | First filing |
| SCHULHOFF & CO INC 0.05% of their portfolio | 122.0k $119.5k | Unchanged |
| NewEdge Wealth, LLC 0.00% of their portfolio | 116.0k $113.7k | Reduced -3 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio | 115.2k $112.9k | Reduced -14.5k |
| ROYAL BANK OF CANADA 0.00% of their portfolio | 96.7k $95.0k | Added +69.0k |
| FMR LLC 0.00% of their portfolio | 86.7k $84.9k | Added +1.8k |
| ACADIAN ASSET MANAGEMENT LLC 0.00% of their portfolio | 84.1k $81.0k | New |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 80.8k $79.2k | Reduced -189.2k |
| Yu Fan 0.07% of their portfolio | 69.3k $67.9k | Unchanged |
| RHUMBLINE ADVISERS 0.00% of their portfolio | 68.2k $66.8k | Added +305 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio | 64.9k $63.6k | Reduced -3.1k |
| Cable Car Capital, LP 0.07% of their portfolio | 61.6k $60.4k | Unchanged |
| SEI INVESTMENTS CO 0.00% of their portfolio | 61.1k $59.9k | Unchanged |
| BARCLAYS PLC 0.00% of their portfolio | 54.1k $53.0k | Reduced -22.9k |
| UNIVERSITY OF CHICAGO 0.07% of their portfolio | 48.7k $47.8k | Unchanged |
| Qube Research & Technologies Ltd 0.00% of their portfolio | 45.1k $44.2k | Added +20.6k |
| COMMONWEALTH EQUITY SERVICES, LLC 0.00% of their portfolio | 43.2k $42.0k | Added +17.0k |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 40.3k $39.5k | Reduced -13.4k |
| AQR CAPITAL MANAGEMENT LLC 0.00% of their portfolio | 40.3k $39.5k | Reduced -9.8k |
| Verition Fund Management LLC 0.00% of their portfolio | 38.3k $37.5k | New |
| DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio | 36.5k $35.8k | Reduced -74.5k |
| CITIGROUP INC 0.00% of their portfolio | 35.0k $34.3k | Reduced -7.0k |
| INTECH INVESTMENT MANAGEMENT LLC 0.00% of their portfolio | 32.2k $31.5k | Added +9.7k |
| VOYA INVESTMENT MANAGEMENT LLC 0.00% of their portfolio | 31.8k $31.2k | Added +15.9k |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 29.9k $29.3k | Added +941 |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% of their portfolio | 29.3k $28.7k | Added +1.2k |
| DEUTSCHE BANK AG\ 0.00% of their portfolio | 28.4k $27.8k | Reduced -1.9k |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 28.1k $27.6k | Added +1.1k |
| Cetera Investment Advisers 0.00% of their portfolio | 27.9k $27.3k | Added +1.0k |
| AMERICAN CENTURY COMPANIES INC 0.00% of their portfolio | 26.4k $25.8k | Reduced -273.6k |
| Invesco Ltd. 0.00% of their portfolio | 24.8k $24.3k | Reduced -561 |
| Corebridge Financial, Inc. 0.00% of their portfolio | 24.2k $23.7k | Reduced -114 |
| OSAIC HOLDINGS, INC. 0.00% of their portfolio | 22.4k $21.9k | Unchanged |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio | 22.2k $23.0k | Added +6.5k |
| LPL Financial LLC 0.00% of their portfolio | 16.1k $15.8k | Reduced -6.5k |
| Squarepoint Ops LLC 0.00% of their portfolio | 14.9k $14.6k | New |
| ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio | 13.5k $13.2k | Unchanged |
| ProShare Advisors LLC 0.00% of their portfolio | 13.4k $13.1k | Reduced -3.2k |
| Vanguard Personalized Indexing Management, LLC 0.00% of their portfolio | 13.0k $12.7k | New |
| China Universal Asset Management Co., Ltd. 0.00% of their portfolio | 11.9k $11.7k | Reduced -681 |
| Tower Research Capital LLC (TRC) 0.00% of their portfolio | 11.2k $10.9k | Added +3.7k |
| CIBC WORLD MARKETS CORP 0.00% of their portfolio | 10.9k $10.7k | New |
| Police & Firemen's Retirement System of New Jersey 0.00% of their portfolio | 9.8k $9.6k | Unchanged |
| SIMPLEX TRADING, LLC 0.00% of their portfolio | 8.8k $8.0k | Added +5.5k |
| Winthrop Capital Management, LLC 0.00% of their portfolio | 6.0k $6.0k | Unchanged |
| Ameritas Investment Partners, Inc. 0.00% of their portfolio | 4.8k $4.7k | Unchanged |
| Legal & General Group Plc 0.00% of their portfolio | 4.2k $4.1k | Unchanged |
| BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio | 3.7k $3.6k | First filing |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio | 3.5k $3.5k | Unchanged |
| CWM, LLC 0.00% of their portfolio | 3.4k $3.0k | Added +3.1k |
| GROUP ONE TRADING LLC 0.00% of their portfolio | 3.0k $2.9k | New |
| FEDERATED HERMES, INC. 0.00% of their portfolio | 2.1k $2.0k | New |
| Mirae Asset Global Investments Co., Ltd. 0.00% of their portfolio | 2.0k $2.1k | Added +8 |
| AMALGAMATED BANK 0.00% of their portfolio | 1.7k $2.0k | Unchanged |
| JONES FINANCIAL COMPANIES LLLP 0.00% of their portfolio | 1.5k $1.6k | Unchanged |
| GF FUND MANAGEMENT CO. LTD. 0.00% of their portfolio | 1.4k $1.4k | Added +180 |
| AFFINITY WEALTH LLC 0.00% of their portfolio | 1.4k $1.4k | New |
| Sterling Capital Management LLC 0.00% of their portfolio | 877 $859 | Reduced -782 |
| NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio | 600 $588 | Unchanged |
| EverSource Wealth Advisors, LLC 0.00% of their portfolio | 484 $474 | New |
| NISA INVESTMENT ADVISORS, LLC 0.00% of their portfolio | 300 $294 | New |
| NewEdge Advisors, LLC 0.00% of their portfolio | 250 $245 | Unchanged |
| Russell Investments Group, Ltd. 0.00% of their portfolio | 64 $63 | Unchanged |
| IFP Advisors, Inc 0.00% of their portfolio | 17 $17 | Unchanged |
| NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO 0.00% of their portfolio | 12 $12 | Unchanged |
| True Wealth Design, LLC 0.00% of their portfolio | 7 $7 | New |
| Caitong International Asset Management Co., Ltd 0.00% of their portfolio | 3 $3 | Reduced -324 |
| SBI Securities Co., Ltd. 0.00% of their portfolio | 2 $2 | Unchanged |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. — of their portfolio | 0 $0 | Unchanged |