ALX ONCOLOGY HOLDINGS INC - ALXO
Detailed investor-level table based on 13F positions.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| RA CAPITAL MANAGEMENT, L.P. | History | New | 13,011,849 | 26,088 | 0.28% | — | 1 | +13,011,849 | New | Q1 2026 | May 15, 2026 |
| TCG Crossover Management, LLC | History | New | 13,011,849 | 26,088 | 0.75% | — | 2 | +13,011,849 | New | Q1 2026 | May 15, 2026 |
| venBio Partners LLC | History | Added to | 12,884,638 | 25,833 | 9.21% | 5.07% | 3 | +3,184,713 | 32.83% | Q1 2026 | May 15, 2026 |
| Redmile Group, LLC | History | Added to | 7,964,188 | 15,968 | 1.06% | 0.27% | 4 | +4,699,470 | 143.95% | Q1 2026 | May 15, 2026 |
| Blackstone Inc. | History | New | 5,826,544 | 11,711 | 0.05% | — | 5 | +5,826,544 | New | Q1 2026 | May 15, 2026 |
| DRIEHAUS CAPITAL MANAGEMENT LLC | History | Added to | 5,734,620 | 11,497 | 0.08% | 0.01% | 6 | +4,311,738 | 303.03% | Q1 2026 | May 15, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | History | New | 4,179,736 | 8,380 | 0.0% | — | 7 | +4,179,736 | New | Q1 2026 | May 15, 2026 |
| MARSHALL WACE, LLP | History | Added to | 3,757,216 | 7,514 | 0.01% | 0.0% | 8 | +3,730,840 | 14144.83% | Q1 2026 | May 14, 2026 |
| Vivo Capital, LLC | History | New | 3,184,713 | 6,385 | 0.53% | — | 9 | +3,184,713 | New | Q1 2026 | May 20, 2026 |
| Almitas Capital LLC | History | Added to | 3,173,834 | 6,363 | 1.44% | 0.63% | 10 | +636,943 | 25.11% | Q1 2026 | May 15, 2026 |
| 5AM Venture Management, LLC | History | New | 3,057,325 | 6,129 | 1.7% | — | 11 | +3,057,325 | New | Q1 2026 | May 15, 2026 |
| ORBIMED ADVISORS LLC | History | New | 2,866,256 | 5,746 | 0.11% | — | 12 | +2,866,256 | New | Q1 2026 | May 15, 2026 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | History | New | 2,000,000 | 4,010 | 0.01% | — | 13 | +2,000,000 | New | Q1 2026 | May 15, 2026 |
| MILLENNIUM MANAGEMENT LLC | History | Reduced | 1,988,559 | 3,987 | 0.0% | 0.0% | 14 | -1,316,060 | -39.82% | Q1 2026 | May 15, 2026 |
| TWO SIGMA INVESTMENTS, LP | History | Added to | 1,587,833 | 3,183 | 0.0% | 0.0% | 15 | +947,628 | 148.02% | Q1 2026 | May 15, 2026 |
| Squadron Capital Management LLC | History | New | 1,460,000 | 2,927 | 1.07% | — | 16 | +1,460,000 | New | Q1 2026 | May 15, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | History | Added to | 1,362,707 | 2,732 | 0.0% | 0.0% | 17 | +1,178,380 | 639.29% | Q1 2026 | May 15, 2026 |
| ACADIAN ASSET MANAGEMENT LLC | History | Reduced | 1,101,025 | 2,202 | 0.0% | 0.0% | 18 | -273,248 | -19.88% | Q1 2026 | May 13, 2026 |
| Ensign Peak Advisors, Inc | History | New | 950,550 | 1,905 | 0.0% | — | 19 | +950,550 | New | Q1 2026 | May 13, 2026 |
| VANGUARD GROUP INC | History | No change | 1,630,940 | 1,842 | 0.0% | 0.0% | 20 | 0 | 0.0% | Q4 2025 | Jan 29, 2026 |
| UBS Group AG | History | Added to | 914,754 | 1,834 | 0.0% | 0.0% | 21 | +48,763 | 5.63% | Q1 2026 | May 05, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | History | Added to | 732,599 | 1,468 | 0.0% | 0.0% | 22 | +309,500 | 73.15% | Q1 2026 | May 14, 2026 |
| BANK OF AMERICA CORP /DE/ | History | Added to | 577,783 | 1,158 | 0.0% | 0.0% | 23 | +45,938 | 8.64% | Q1 2026 | May 15, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | Added to | 493,437 | 989 | 0.0% | 0.0% | 24 | +139,741 | 39.51% | Q1 2026 | May 15, 2026 |
| BlackRock, Inc. | History | Reduced | 447,799 | 897 | 0.0% | 0.0% | 25 | -2,631 | -0.58% | Q1 2026 | May 13, 2026 |
| TWO SIGMA ADVISERS, LP | History | No change | 710,400 | 802 | 0.0% | 0.0% | 26 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| VANGUARD FIDUCIARY TRUST CO | History | New | 294,478 | 590 | 0.0% | — | 27 | +294,478 | New | Q1 2026 | May 08, 2026 |
| STATE STREET CORP | History | Added to | 175,828 | 352 | 0.0% | 0.0% | 28 | +51,600 | 41.54% | Q1 2026 | May 15, 2026 |
| GOLDMAN SACHS GROUP INC | History | Added to | 138,593 | 277 | 0.0% | 0.0% | 29 | +121,331 | 702.88% | Q1 2026 | May 15, 2026 |
| NORTHERN TRUST CORP | History | Reduced | 136,964 | 274 | 0.0% | 0.0% | 30 | -12,133 | -8.14% | Q1 2026 | May 14, 2026 |
| Qube Research & Technologies Ltd | History | New | 107,647 | 215 | 0.0% | — | 31 | +107,647 | New | Q1 2026 | May 15, 2026 |
| BANK OF NOVA SCOTIA | History | No change | 105,858 | 212 | 0.0% | 0.0% | 32 | 0 | 0.0% | Q1 2026 | May 14, 2026 |
| MORGAN STANLEY | History | Added to | 98,835 | 198 | 0.0% | 0.0% | 33 | +15,078 | 18.0% | Q1 2026 | May 15, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | History | New | 97,881 | 196 | 0.0% | — | 34 | +97,881 | New | Q1 2026 | May 08, 2026 |
| JANE STREET GROUP, LLC | History | Reduced | 95,101 | 190 | 0.0% | 0.0% | 35 | -111,360 | -53.94% | Q1 2026 | May 12, 2026 |
| IEQ CAPITAL, LLC | History | No change | 92,233 | 184 | 0.0% | 0.0% | 36 | 0 | 0.0% | Q1 2026 | May 14, 2026 |
| Brevan Howard Capital Management LP | History | New | 79,389 | 159 | 0.0% | — | 37 | +79,389 | New | Q1 2026 | May 15, 2026 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | History | No change | 76,072 | 152 | 0.0% | 0.0% | 38 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| OMERS ADMINISTRATION Corp | History | New | 75,000 | 150 | 0.0% | — | 39 | +75,000 | New | Q1 2026 | May 15, 2026 |
| GSA CAPITAL PARTNERS LLP | History | Reduced | 68,987 | 138 | 0.01% | 0.01% | 40 | -23,667 | -25.54% | Q1 2026 | May 08, 2026 |
| XTX Topco Ltd | History | New | 44,141 | 88 | 0.0% | — | 41 | +44,141 | New | Q1 2026 | May 15, 2026 |
| Point72 Asset Management, L.P. | History | Added to | 41,095 | 82 | 0.0% | 0.0% | 42 | +20,878 | 103.27% | Q1 2026 | May 15, 2026 |
| Graham Capital Management, L.P. | History | New | 37,739 | 75 | 0.0% | — | 43 | +37,739 | New | Q1 2026 | May 15, 2026 |
| CITADEL ADVISORS LLC | History | Reduced | 37,000 | 74 | 0.0% | 0.0% | 44 | -133,432 | -78.29% | Q1 2026 | May 15, 2026 |
| WEALTH ENHANCEMENT ADVISORY SERVICES, LLC | History | Added to | 37,997 | 74 | 0.0% | 0.0% | 45 | +5 | 0.01% | Q1 2026 | Apr 08, 2026 |
| HC Advisors, LLC | History | Reduced | 22,900 | 45 | 0.03% | 0.02% | 46 | -1,000 | -4.18% | Q1 2026 | May 05, 2026 |
| Callan Family Office, LLC | History | Reduced | 22,419 | 44 | 0.0% | 0.0% | 47 | -5,889 | -20.8% | Q1 2026 | May 13, 2026 |
| CAXTON CORP | History | New | 20,946 | 41 | 1.02% | — | 49 | +20,946 | New | Q1 2026 | May 14, 2026 |
| NINE MASTS CAPITAL Ltd | History | Added to | 20,623 | 41 | 0.01% | 0.0% | 48 | +5,148 | 33.27% | Q1 2026 | May 12, 2026 |
| JSF Financial, LLC | History | No change | 17,500 | 35 | 0.01% | 0.0% | 50 | 0 | 0.0% | Q1 2026 | May 07, 2026 |
| MONETA GROUP INVESTMENT ADVISORS LLC | History | No change | 15,196 | 30 | 0.0% | 0.0% | 51 | 0 | 0.0% | Q1 2026 | May 12, 2026 |
| FMR LLC | History | No change | 12,986 | 26 | 0.0% | 0.0% | 52 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| Lido Advisors, LLC | History | No change | 13,220 | 26 | 0.0% | 0.0% | 53 | 0 | 0.0% | Q1 2026 | May 13, 2026 |
| Beacon Pointe Advisors, LLC | History | New | 12,500 | 25 | 0.0% | — | 55 | +12,500 | New | Q1 2026 | May 15, 2026 |
| Abel Hall, LLC | History | No change | 12,598 | 25 | 0.01% | 0.0% | 54 | 0 | 0.0% | Q1 2026 | Apr 28, 2026 |
| TWO SIGMA SECURITIES, LLC | History | New | 10,993 | 22 | 0.0% | — | 57 | +10,993 | New | Q1 2026 | May 15, 2026 |
| Invesco Ltd. | History | New | 10,980 | 22 | 0.0% | — | 56 | +10,980 | New | Q1 2026 | May 12, 2026 |
| BARCLAYS PLC | History | No change | 10,515 | 21 | 0.0% | 0.0% | 58 | 0 | 0.0% | Q1 2026 | May 14, 2026 |
| HSBC HOLDINGS PLC | History | No change | 10,105 | 20 | 0.0% | 0.0% | 59 | 0 | 0.0% | Q1 2026 | Apr 30, 2026 |
| Vanguard Global Advisers, LLC | History | New | 9,968 | 19 | 0.0% | — | 60 | +9,968 | New | Q1 2026 | May 08, 2026 |
| ROYAL BANK OF CANADA | History | Added to | 1,879 | 4 | 0.0% | 0.0% | 61 | +916 | 95.12% | Q1 2026 | May 15, 2026 |
| NISA INVESTMENT ADVISORS, LLC | History | No change | 1,106 | 2 | 0.0% | 0.0% | 62 | 0 | 0.0% | Q1 2026 | Apr 30, 2026 |
| Bradley & Co. Private Wealth Management, LLC | History | No change | 1,000 | 2 | 0.0% | 0.0% | 63 | 0 | 0.0% | Q1 2026 | May 13, 2026 |
| EverSource Wealth Advisors, LLC | History | New | 905 | 1 | 0.0% | — | 64 | +905 | New | Q1 2026 | May 15, 2026 |
| BANK OF MONTREAL /CAN/ | History | Closed out | 0 | 0 | — | 0.0% | — | -474,781 | -100.0% | Q1 2026 | May 13, 2026 |
| Seven Fleet Capital Management LP | History | Closed out | 0 | 0 | — | 0.09% | — | -117,817 | -100.0% | Q1 2026 | Jun 04, 2026 |
| NAN FUNG TRINITY (HK) Ltd | History | Closed out | 0 | 0 | — | 0.0% | — | -41,950 | -100.0% | Q1 2026 | May 04, 2026 |
| DekaBank Deutsche Girozentrale | History | Closed out | 0 | 0 | — | 0.0% | — | -41,000 | -100.0% | Q1 2026 | May 07, 2026 |
| COMMONWEALTH EQUITY SERVICES, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -15,102 | -100.0% | Q1 2026 | Apr 27, 2026 |
| Virtu Financial LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -13,702 | -100.0% | Q1 2026 | May 14, 2026 |
| SIMPLEX TRADING, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -3,553 | -100.0% | Q1 2026 | May 14, 2026 |
| Tower Research Capital LLC (TRC) | History | Closed out | 0 | 0 | — | 0.0% | — | -3,142 | -100.0% | Q1 2026 | May 15, 2026 |
| Torren Management, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -1,632 | -100.0% | Q1 2026 | Apr 30, 2026 |
| GROUP ONE TRADING LLC | History | Closed out | 0 | 0 | — | — | — | -518 | -100.0% | Q1 2026 | May 13, 2026 |
| SBI Securities Co., Ltd. | History | Reduced | 14 | 0 | — | — | — | -398 | -96.6% | Q1 2026 | Apr 27, 2026 |
| CWM, LLC | History | Reduced | 65 | 0 | — | — | — | -31 | -32.29% | Q1 2026 | May 14, 2026 |
| CITIGROUP INC | History | New | 17 | 0 | — | — | — | +17 | New | Q1 2026 | May 11, 2026 |
| BNP PARIBAS FINANCIAL MARKETS | History | Reduced | 466 | 0 | — | — | — | -14 | -2.92% | Q1 2026 | May 12, 2026 |
| Caitong International Asset Management Co., Ltd | History | New | 6 | 0 | — | — | — | +6 | New | Q1 2026 | May 11, 2026 |
| JPMORGAN CHASE & CO | History | No change | 99 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 13, 2026 |
| PNC FINANCIAL SERVICES GROUP, INC. | History | No change | 100 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 08, 2026 |
| Optiver Holding B.V. | History | No change | 27 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | Jun 02, 2026 |