80 institutions reported holding $189.3M of ALX ONCOLOGY HLDGS INC (ALXO) in SEC 13F filings for 2026-03-31. Largest institutional holders: RA CAPITAL MANAGEMENT, L.P. ($26.1M), TCG Crossover Management, LLC ($26.1M), venBio Partners LLC ($25.8M), Redmile Group, LLC ($16.0M), Blackstone Inc. ($11.7M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | RA CAPITAL MANAGEMENT, L.P. | $26.1M | 13.0M | New |
| 2 | TCG Crossover Management, LLC | $26.1M | 13.0M | New |
| 3 | venBio Partners LLC | $25.8M | 12.9M | Added |
| 4 | Redmile Group, LLC | $16.0M | 8.0M | Added |
| 5 | Blackstone Inc. | $11.7M | 5.8M | New |
| 6 | Driehaus Capital Management LLC | $11.5M | 5.7M | Added |
| 7 | VANGUARD CAPITAL MANAGEMENT LLC | $8.4M | 4.2M | New |
| 8 | MARSHALL WACE, LLP | $7.5M | 3.8M | Added |
| 9 | Vivo Capital, LLC | $6.4M | 3.2M | New |
| 10 | Almitas Capital LLC | $6.4M | 3.2M | Added |
| 11 | 5AM Venture Management, LLC | $6.1M | 3.1M | New |
| 12 | ORBIMED ADVISORS LLC | $5.7M | 2.9M | New |
| 13 | ADAGE CAPITAL PARTNERS GP, L.L.C. | $4.0M | 2.0M | New |
| 14 | MILLENNIUM MANAGEMENT LLC | $4.0M | 2.0M | Trimmed |
| 15 | TWO SIGMA INVESTMENTS, LP | $3.2M | 1.6M | Added |
| 16 | Squadron Capital Management LLC | $2.9M | 1.5M | New |
| 17 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $2.7M | 1.4M | Added |
| 18 | ACADIAN ASSET MANAGEMENT LLC | $2.2M | 1.1M | Trimmed |
| 19 | Ensign Peak Advisors, Inc | $1.9M | 950,550 | New |
| 20 | UBS Group AG | $1.8M | 914,754 | Added |
| 21 | RENAISSANCE TECHNOLOGIES LLC | $1.5M | 732,599 | Added |
| 22 | BANK OF AMERICA CORP /DE/ | $1.2M | 577,783 | Added |
| 23 | GEODE CAPITAL MANAGEMENT, LLC | $989,757 | 493,437 | Added |
| 24 | BlackRock, Inc. | $897,836 | 447,799 | Trimmed |
| 25 | VANGUARD FIDUCIARY TRUST CO | $590,428 | 294,478 | New |
Source: SEC Form 13F filings · as of 2026-03-31