Alx Oncology HoldingsALXO
13F holders, Q1 2026 (March 31)69holders +12
21new positions
11sold out
3famous investors
$2.00avg. 13F price*
At the end of Q1 2026, 69 institutions reported holding Alx Oncology Holdings Inc. (ALXO) in their 13F filings, up 12 from Q4 2025. 21 opened new positions and 11 sold out. The largest holders were TCG Crossover Management, LLC ($26.1M), Ra Capital Management, L.P. ($26.1M) and venBio Partners LLC ($25.8M). 3 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Steve Cohen (0.0% of Point72 Asset Management's portfolio).
- Company
- Alx Oncology Holdings Inc.
- CUSIP
- 00166B105
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 21 | $91.8M |
| Exits | 11 | $1.3M |
All 13F filers, Q4 2025 → Q1 2026: 65,217,459 shares bought and 2,395,860 shares sold, net +62,821,599 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 69 holders
| TCG Crossover Management, LLC | 0.75% | New | 13,011,849 | $26.1M |
| Ra Capital Management, L.P. | 0.28% | New | 13,011,849 | $26.1M |
| venBio Partners LLC | 9.21% | Add +32.8% | 12,884,638 | $25.8M |
| Redmile Group, LLC | 1.06% | Add +143.9% | 7,964,188 | $16.0M |
| Blackstone Inc. | 0.05% | New | 5,826,544 | $11.7M |
| Driehaus Capital Management LLC | 0.08% | Add +303.0% | 5,734,620 | $11.5M |
| Vanguard Capital Management LLC | 0.00% | — | 4,179,736 | $8.4M |
| Marshall Wace, LLP | 0.01% | Add +14144.8% | 3,757,216 | $7.5M |
| Vivo Capital, LLC | 0.53% | New | 3,184,713 | $6.4M |
| Almitas Capital LLC | 1.44% | Add +25.1% | 3,173,834 | $6.4M |
| 5AM Venture Management, LLC | 1.70% | New | 3,057,325 | $6.1M |
| Orbimed Advisors LLC | 0.13% | New | 2,866,256 | $5.7M |
| Adage Capital Partners Gp, L.L.C. | 0.01% | New | 2,000,000 | $4.0M |
| Millennium Management | 0.00% | Reduce -38.0% | 1,988,559 | $4.0M |
| Two Sigma Investments, LP | 0.00% | Add +148.0% | 1,587,833 | $3.2M |
| Squadron Capital Management LLC | 1.17% | New | 1,460,000 | $2.9M |
| Susquehanna International Group, LLP | 0.00% | Add +779.9% | 1,328,907 | $2.7M |
| Acadian Asset Management LLC | 0.00% | Reduce -19.9% | 1,101,025 | $2.2M |
| Ensign Peak Advisors, Inc | 0.00% | New | 950,550 | $1.9M |
| UBS Group AG | 0.00% | Add +5.6% | 914,754 | $1.8M |
| Renaissance Technologies | 0.00% | Add +73.2% | 732,599 | $1.5M |
| Bank of America Corp. | 0.00% | Add +8.6% | 577,783 | $1.2M |
| Geode Capital Management, LLC | 0.00% | Add +39.5% | 493,437 | $990K |
| BlackRock, Inc. | 0.00% | Reduce -0.6% | 447,799 | $898K |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 294,478 | $590K |
| State Street Corp. | 0.00% | Add +41.5% | 175,828 | $353K |
| Goldman Sachs Group Inc. | 0.00% | Add +702.9% | 138,593 | $278K |
| Northern Trust Corp. | 0.00% | Reduce -8.1% | 136,964 | $275K |
| Qube Research & Technologies Ltd | 0.00% | New | 107,647 | $216K |
| Bank of Nova Scotia | 0.00% | No change | 105,858 | $212K |
| Morgan Stanley | 0.00% | Add +18.0% | 98,835 | $198K |
| Vanguard Portfolio Management LLC | 0.00% | — | 97,881 | $196K |
| Jane Street Group, LLC | 0.00% | Reduce -48.9% | 95,101 | $191K |
| Ieq Capital, LLC | 0.00% | No change | 92,233 | $185K |
| Brevan Howard Capital Management LP | 0.00% | New | 79,389 | $159K |
| Bridgeway Capital Management, LLC | 0.00% | No change | 76,072 | $153K |
| OMERS ADMINISTRATION Corp | 0.00% | New | 75,000 | $150K |
| Gsa Capital Partners LLP | 0.01% | Reduce -25.5% | 68,987 | $138K |
| XTX Topco Ltd | 0.00% | New | 44,141 | $89K |
| Point72 Asset Management | 0.00% | Add +103.3% | 41,095 | $82K |
| Graham Capital Management, L.P. | 0.00% | New | 37,739 | $76K |
| Wealth Enhancement Advisory Services, LLC | 0.00% | Add +0.0% | 37,997 | $75K |
| HC Advisors, LLC | 0.03% | Reduce -4.2% | 22,900 | $46K |
| Callan Family Office, LLC | 0.00% | Reduce -20.8% | 22,419 | $45K |
| Caxton Corp. | 1.04% | New | 20,946 | $42K |
| NINE MASTS CAPITAL Ltd | 0.01% | Add +33.3% | 20,623 | $41K |
| JSF Financial, LLC | 0.01% | No change | 17,500 | $35K |
| Moneta Group Investment Advisors LLC | 0.00% | No change | 15,196 | $30K |
| Lido Advisors, LLC | 0.00% | No change | 13,220 | $27K |
| FMR LLC | 0.00% | No change | 12,986 | $26K |
| Abel Hall, LLC | 0.01% | No change | 12,598 | $25K |
| Beacon Pointe Advisors, LLC | 0.00% | New | 12,500 | $25K |
| Two Sigma Securities, LLC | 0.00% | New | 10,993 | $22K |
| Invesco Ltd. | 0.00% | New | 10,980 | $22K |
| Barclays PLC | 0.00% | No change | 10,515 | $21K |
| HSBC Holdings PLC | 0.00% | No change | 10,105 | $20K |
| Vanguard Global Advisers, LLC | 0.00% | — | 9,968 | $20K |
| Royal Bank of Canada | 0.00% | Add +95.1% | 1,879 | $4K |
| Nisa Investment Advisors, LLC | 0.00% | No change | 1,106 | $2K |
| Bradley & Co. Private Wealth Management, LLC | 0.00% | No change | 1,000 | $2K |
| EverSource Wealth Advisors, LLC | 0.00% | New | 905 | $2K |
| BNP Paribas Financial Markets | 0.00% | Reduce -2.9% | 466 | $934 |
| PNC Financial Services Group, Inc. | 0.00% | No change | 100 | $201 |
| JPMorgan Chase & Co. | 0.00% | No change | 99 | $189 |
| Cwm, LLC | 0.00% | Reduce -32.3% | 65 | $130 |
| Optiver Holding B.V. | 0.00% | No change | 27 | $54 |
| Citigroup Inc. | 0.00% | New | 17 | $34 |
| SBI Securities Co., Ltd. | 0.00% | Reduce -96.6% | 14 | $28 |
| Caitong International Asset Management Co., Ltd | 0.00% | New | 6 | $12 |
"% of holder's portfolio" is ALXO's weight in each manager's 13F, not the share of Alx Oncology Holdings Inc. the manager owns.