# ALX ONCOLOGY HOLDINGS INC COMM

ALX ONCOLOGY HOLDINGS INC COMM is a security (CUSIP 00166B105) tracked across SEC portfolio filings. 78 institutional managers reported $180.4M on Form 13F as of 2026-06-30; 5 registered fund positions totaling $1.1M via N-PORT as of 2026-05-29.

## Summary

- Issuer: ALX ONCOLOGY HOLDINGS INC
- Class: COMM
- CUSIP: 00166B105
- Asset category: EC
- 13F holders: 78
- 13F value: $180.4M
- 13F period: 2026-06-30
- N-PORT fund positions: 5
- N-PORT value: $1.1M
- N-PORT report: 2026-05-29

## Top institutional holders (Form 13F)

_Showing 15 of 78 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| TCG Crossover Management, LLC | PALO ALTO, CA | $26.1M | 13,011,849 |
| RA CAPITAL MANAGEMENT, L.P. | Boston, MA | $26.1M | 13,011,849 |
| [venBio Partners LLC](https://search.stillhousedata.com/firm/290045) | SAN FRANCISCO, CA | $25.8M | 12,884,638 |
| [Redmile Group, LLC](https://search.stillhousedata.com/firm/143606) | San Francisco, CA | $16.0M | 7,964,188 |
| Blackstone Inc. | NEW YORK, NY | $11.7M | 5,826,544 |
| Driehaus Capital Management LLC | Chicago, IL | $11.5M | 5,734,620 |
| [MARSHALL WACE, LLP](https://search.stillhousedata.com/firm/160885) | LONDON, X0 | $7.5M | 3,757,216 |
| [Vivo Capital, LLC](https://search.stillhousedata.com/firm/159868) | Palo Alto, CA | $6.4M | 3,184,713 |
| [Almitas Capital LLC](https://search.stillhousedata.com/firm/166705) | SANTA MONICA, CA | $6.4M | 3,173,834 |
| [5AM Venture Management, LLC](https://search.stillhousedata.com/firm/160395) | San Francisco, CA | $6.1M | 3,057,325 |
| [ORBIMED ADVISORS LLC](https://search.stillhousedata.com/firm/118608) | New York, NY | $5.7M | 2,866,256 |
| [ADAGE CAPITAL PARTNERS GP, L.L.C.](https://search.stillhousedata.com/firm/160679) | Boston, MA | $4.0M | 2,000,000 |
| MILLENNIUM MANAGEMENT LLC | NEW YORK, NY | $4.0M | 1,988,559 |
| [TWO SIGMA INVESTMENTS, LP](https://search.stillhousedata.com/firm/137137) | New York, NY | $3.2M | 1,587,833 |
| [Squadron Capital Management LLC](https://search.stillhousedata.com/firm/334296) | WESTMONT, IL | $2.9M | 1,460,000 |

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $803K | 0.10% |
| [VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002855) | VANGUARD INSTITUTIONAL INDEX FUNDS | $145K | 0.05% |
| [VANGUARD BALANCED INDEX FUND](https://search.stillhousedata.com/fund/S000002560) | VANGUARD VALLEY FORGE FUNDS | $128K | 0.02% |
| [Blackstone Alternative Multi-Strategy Fund](https://search.stillhousedata.com/fund/S000045538) | Blackstone Alternative Investment Funds | $22K | 0.06% |
| Guggenheim Active Allocation Fund | Guggenheim Active Allocation Fund | $200 | 0.00% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/00166B105.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.