Who owns Pyxis Oncology, Inc.?
Institutional ownership of PYXS from SEC Form 13F filings across 53 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
53
13F holders
$37.1M
value, 2026 filers
19.7%
of shares outstanding (12.5M sh)
8
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30· % of fund = share of the manager's own book · % of co. = share of PYXS's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | Laurion Capital Management LP | 4.9M | $14.8M | 0.4% | 7.7% | -1.9% |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | 2.1M | $6.2M | 0.0% | 3.3% | -49.0% |
| 3 | BlackRock, Inc. | 867,934 | $2.6M | 0.0% | 1.4% | +10.0% |
| 4 | MARSHALL WACE, LLP | 830,544 | $2.5M | 0.0% | 1.3% | +134.3% |
| 5 | GEODE CAPITAL MANAGEMENT, LLC | 591,849 | $1.8M | 0.0% | 0.9% | -1.0% |
| 6 | Woodline Partners LPNEW | 523,999 | $1.6M | 0.0% | 0.8% | new |
| 7 | Longaeva Partners L.P. | 353,582 | $1.1M | 0.0% | 0.6% | -29.7% |
| 8 | VANGUARD FIDUCIARY TRUST CO | 302,986 | $911,988 | 0.0% | 0.5% | +0.7% |
| 9 | JANE STREET GROUP, LLC | 290,090 | $873,171 | 0.0% | 0.5% | -4.7% |
| 10 | MILLENNIUM MANAGEMENT LLC | 233,004 | $701,342 | 0.0% | 0.4% | -41.4% |
| 11 | UBS Group AG | 155,217 | $467,203 | 0.0% | 0.2% | -38.9% |
| 12 | Bank of New York Mellon Corp | 133,996 | $403,328 | 0.0% | 0.2% | 0.0% |
| 13 | ACADIAN ASSET MANAGEMENT LLC | 126,793 | $380 | 0.0% | 0.2% | -12.1% |
| 14 | NORTHERN TRUST CORP | 123,959 | $373,117 | 0.0% | 0.2% | +21.6% |
| 15 | NewEdge Wealth, LLC | 116,006 | $349,178 | 0.0% | 0.2% | 0.0% |
| 16 | TWO SIGMA INVESTMENTS, LP | 83,961 | $252,723 | 0.0% | 0.1% | +14.5% |
| 17 | BANK OF AMERICA CORP /DE/ | 80,464 | $242,197 | 0.0% | 0.1% | +378.8% |
| 18 | STIFEL FINANCIAL CORP | 70,437 | $212,015 | 0.0% | 0.1% | +39.4% |
| 19 | MYDA Advisors LLCNEW | 50,000 | $150,500 | 0.0% | 0.1% | new |
| 20 | Qube Research & Technologies Ltd | 49,932 | $150,295 | 0.0% | 0.1% | +342.4% |
| 21 | CITADEL ADVISORS LLC | 47,317 | $142,424 | 0.0% | 0.1% | -22.7% |
| 22 | GOLDMAN SACHS GROUP INC | 45,900 | $138,159 | 0.0% | 0.1% | -2.2% |
| 23 | LPL Financial LLC | 43,554 | $131,098 | 0.0% | 0.1% | +29.8% |
| 24 | COMMONWEALTH EQUITY SERVICES, LLC | 42,455 | $127,790 | 0.0% | 0.1% | +22.2% |
| 25 | CITIGROUP INC | 38,205 | $114,997 | 0.0% | 0.1% | +2095.7% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.