Alx Oncology Holdings Inc
ALXO- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001810182
In the last 90 days, Alx Oncology Holdings Inc insiders filed 0 open-market purchases and 3 sales; 93 institutions reported holding it in 13F filings for Q2 2026, worth $217.9M in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in Alx Oncology Holdings Inc as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 69
- +13 vs. Q4 2025
- Shares held
- 94.3M
- +66.7M (+241.9%) vs. Q4 2025
- Total value
- $189.0M
- +$157.9M (+507.4%) vs. Q4 2025
- New holders
- 25
- 18 more added
- Sold out
- 12
- 11 more reduced
1 institution that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ALXO on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 93 | $217.9M |
| Q1 2026 | 69 | $189.0M |
| Q4 2025 | 57 | $33.0M |
| Q3 2025 | 61 | $50.8M |
| Q2 2025 | 61 | $12.1M |
| Q1 2025 | 85 | $21.7M |
| Q4 2024 | 87 | $68.5M |
| Q3 2024 | 92 | $82.7M |
| Q2 2024 | 112 | $293.4M |
| Q1 2024 | 106 | $510.5M |
| Q4 2023 | 93 | $681.5M |
| Q3 2023 | 76 | $159.8M |
| Q2 2023 | 75 | $257.5M |
| Q1 2023 | 86 | $161.4M |
| Q4 2022 | 87 | $410.6M |
| Q3 2022 | 99 | $348.7M |
| Q2 2022 | 97 | $290.7M |
| Q1 2022 | 96 | $621.9M |
| Q4 2021 | 108 | $780.0M |
| Q3 2021 | 115 | $2.55B |
| Q2 2021 | 105 | $1.82B |
| Q1 2021 | 94 | $2.47B |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Alx Oncology Holdings Inc; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Caitong International Asset Management Co., Ltd | 6 | $12 | 0.00% | +6 | New |
| SBI Securities Co., Ltd. | 14 | $28 | 0.00% | −398−96.6% | Reduced |
| Citigroup Inc | 17 | $34 | 0.00% | +17 | New |
| Optiver Holding B.V. | 27 | $54 | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 65 | $130 | 0.00% | −31−32.3% | Reduced |
| JPMorgan Chase & Co | 99 | $189 | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 100 | $201 | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 466 | $934 | 0.00% | −14−2.9% | Reduced |
| EverSource Wealth Advisors, LLC | 905 | $1.81K | 0.00% | +905 | New |
| Bradley & Co. Private Wealth Management, LLC | 1,000 | $2.00K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 1,106 | $2.22K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 1,879 | $4.00K | 0.00% | +916+95.1% | Added |
| Vanguard Global Advisers, LLC | 9,968 | $20.0K | 0.00% | +9,968 | New |
| HSBC Holdings PLC | 10,105 | $20.5K | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 10,515 | $21.1K | 0.00% | 00.0% | Unchanged |
| Invesco Ltd. | 10,980 | $22.0K | 0.00% | +10,980 | New |
| Two Sigma Securities, LLC | 10,993 | $22.0K | 0.00% | +10,993 | New |
| Beacon Pointe Advisors, LLC | 12,500 | $25.1K | 0.00% | +12,500 | New |
| Abel Hall, LLC | 12,598 | $25.3K | 0.01% | 00.0% | Unchanged |
| FMR LLC | 12,986 | $26.0K | 0.00% | 00.0% | Unchanged |
| Lido Advisors, LLC | 13,220 | $26.5K | 0.00% | 00.0% | Unchanged |
| Moneta Group Investment Advisors LLC | 15,196 | $30.5K | 0.00% | 00.0% | Unchanged |
| JSF Financial, LLC | 17,500 | $35.1K | 0.01% | 00.0% | Unchanged |
| Nine Masts Capital Ltd | 20,623 | $41.3K | 0.01% | +5,148+33.3% | Added |
| Caxton Corp | 20,946 | $42.0K | 1.04% | +20,946 | New |
| Callan Family Office, LLC | 22,419 | $45.0K | 0.00% | −5,889−20.8% | Reduced |
| HC Advisors, LLC | 22,900 | $45.9K | 0.03% | −1,000−4.2% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 37,997 | $74.9K | 0.00% | +50.0% | Added |
| Graham Capital Management, L.P. | 37,739 | $75.7K | 0.00% | +37,739 | New |
| Point72 Asset Management, L.P. | 41,095 | $82.4K | 0.00% | +20,878+103.3% | Added |
| XTX Topco Ltd | 44,141 | $88.5K | 0.00% | +44,141 | New |
| Gsa Capital Partners LLP | 68,987 | $138.0K | 0.01% | −23,667−25.5% | Reduced |
| Omers Administration Corp | 75,000 | $150.4K | 0.00% | +75,000 | New |
| Bridgeway Capital Management, LLC | 76,072 | $152.5K | 0.00% | 00.0% | Unchanged |
| Brevan Howard Capital Management LP | 79,389 | $159.2K | 0.00% | +79,389 | New |
| Ieq Capital, LLC | 92,233 | $184.9K | 0.00% | 00.0% | Unchanged |
| Jane Street Group, LLC | 95,101 | $190.7K | 0.00% | −90,860−48.9% | Reduced |
| Vanguard Portfolio Management LLC | 97,881 | $196.3K | 0.00% | +97,881 | New |
| Morgan Stanley | 98,835 | $198.2K | 0.00% | +15,078+18.0% | Added |
| Bank of Nova Scotia | 105,858 | $212.2K | 0.00% | 00.0% | Unchanged |
| Qube Research & Technologies Ltd | 107,647 | $215.8K | 0.00% | +107,647 | New |
| Northern Trust Corp | 136,964 | $274.6K | 0.00% | −12,133−8.1% | Reduced |
| Goldman Sachs Group Inc | 138,593 | $277.9K | 0.00% | +121,331+702.9% | Added |
| State Street Corp | 175,828 | $352.5K | 0.00% | +51,600+41.5% | Added |
| Vanguard Fiduciary Trust Co | 294,478 | $590.4K | 0.00% | +294,478 | New |
| BlackRock, Inc. | 447,799 | $897.8K | 0.00% | −2,631−0.6% | Reduced |
| Geode Capital Management, LLC | 493,437 | $989.8K | 0.00% | +139,741+39.5% | Added |
| Bank of America Corp | 577,783 | $1.16M | 0.00% | +45,938+8.6% | Added |
| Renaissance Technologies LLC | 732,599 | $1.47M | 0.00% | +309,500+73.2% | Added |
| UBS Group AG | 914,754 | $1.83M | 0.00% | +48,763+5.6% | Added |
| Ensign Peak Advisors, Inc | 950,550 | $1.91M | 0.00% | +950,550 | New |
| Acadian Asset Management LLC | 1,101,025 | $2.20M | 0.00% | −273,248−19.9% | Reduced |
| Susquehanna International Group, LLP | 1,328,907 | $2.66M | 0.00% | +1,177,880+779.9% | Added |
| Squadron Capital Management LLC | 1,460,000 | $2.93M | 1.17% | +1,460,000 | New |
| Two Sigma Investments, LP | 1,587,833 | $3.18M | 0.00% | +947,628+148.0% | Added |
| Millennium Management LLC | 1,988,559 | $3.99M | 0.00% | −1,216,060−37.9% | Reduced |
| Adage Capital Partners GP, L.L.C. | 2,000,000 | $4.01M | 0.01% | +2,000,000 | New |
| OrbiMed Advisors LLC | 2,866,256 | $5.75M | 0.13% | +2,866,256 | New |
| 5AM Venture Management, LLC | 3,057,325 | $6.13M | 1.70% | +3,057,325 | New |
| Almitas Capital LLC | 3,173,834 | $6.36M | 1.44% | +636,943+25.1% | Added |
| Vivo Capital, LLC | 3,184,713 | $6.39M | 0.53% | +3,184,713 | New |
| Marshall Wace, LLP | 3,757,216 | $7.51M | 0.01% | +3,730,840+14,144.8% | Added |
| Vanguard Capital Management LLC | 4,179,736 | $8.38M | 0.00% | +4,179,736 | New |
| Driehaus Capital Management LLC | 5,734,620 | $11.5M | 0.08% | +4,311,738+303.0% | Added |
| Blackstone Group Inc. | 5,826,544 | $11.7M | 0.05% | +5,826,544 | New |
| Redmile Group, LLC | 7,964,188 | $16.0M | 1.06% | +4,699,470+143.9% | Added |
| venBio Partners LLC | 12,884,638 | $25.8M | 9.21% | +3,184,713+32.8% | Added |
| Ra Capital Management, L.P. | 13,011,849 | $26.1M | 0.28% | +13,011,849 | New |
| TCG Crossover Management, LLC | 13,011,849 | $26.1M | 0.75% | +13,011,849 | New |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −710,400−100.0% | Sold out |
| Bank of Montreal | 0 | $0 | 0.00% | −474,781−100.0% | Sold out |
| Seven Fleet Capital Management LP | 0 | $0 | 0.00% | −117,817−100.0% | Sold out |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −56,732−100.0% | Sold out |
| Nan Fung Trinity (HK) Ltd | 0 | $0 | 0.00% | −41,950−100.0% | Sold out |
| Commonwealth Equity Services, LLC | 0 | $0 | 0.00% | −15,102−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −13,702−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −3,553−100.0% | Sold out |
| Tower Research Capital LLC (TRC) | 0 | $0 | 0.00% | −3,142−100.0% | Sold out |
| Torren Management, LLC | 0 | $0 | 0.00% | −1,632−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −518−100.0% | Sold out |
| DekaBank Deutsche Girozentrale | 0 | $0 | 0.00% | −41,000−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |