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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 2 sales; 93 institutions reported holding it in 13F filings for Q2 2026, worth $217.9M in total; no superinvestor holds it.

Q4 2025 vs. Q3 2025

How the institutions holding Alx Oncology Holdings Inc changed between Q3 2025 and Q4 2025.

All holders in Q4 2025All holders in Q3 2025

13F holders of ALXO: Q3 2025 compared with Q4 2025
MeasureQ3 2025Of which not filed for Q4 2025Q4 2025Change
Holders61257−2
Shares27.8M21.9K29.2M+1.44M (+5.2%)
Value$50.8M$40.1K$33.0M−$17.8M (−35.0%)

2 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (8)

Institutions that held Alx Oncology Holdings Inc at the end of Q4 2025 but not at the end of Q3 2025.

Institutions new to ALXO in Q4 2025
InstitutionSharesValue% of portfolio
Seven Fleet Capital Management LP117,817$133.1K0.09%
Citadel Advisors LLC56,732$64.1K0.00%
Point72 Asset Management, L.P.20,217$22.8K0.00%
Nine Masts Capital Ltd15,475$17.5K0.00%
Virtu Financial LLC13,702$15.0K0.00%
Simplex Trading, LLC3,553$4.01K0.00%
Torren Management, LLC1,632$1.84K0.00%
Group One Trading, L.P.518$5850.00%

Sold out (10)

Institutions that held Alx Oncology Holdings Inc at the end of Q3 2025 and filed for Q4 2025 without it.

Institutions that sold out of ALXO in Q4 2025
InstitutionShares, Q3 2025Value, Q3 2025
Ameriprise Financial Inc652,897$1.19M
Privium Fund Management B.V.509,059$931.6K
XTX Topco Ltd26,621$48.7K
HRT Financial LP22,535$41.0K
Qube Research & Technologies Ltd16,946$31.0K
AQR Capital Management LLC10,793$19.8K
Federated Hermes, Inc.2,374$4.34K
Citigroup Inc2,278$4.17K
EverSource Wealth Advisors, LLC499$913
SRS Capital Advisors, Inc.2$3

Not filed for Q4 2025 yet (2)

Institutions that held Alx Oncology Holdings Inc at the end of Q3 2025 and haven't filed a 13F for Q4 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding ALXO in Q3 2025 that haven't filed for Q4 2025
InstitutionShares, Q3 2025Value, Q3 2025
Point72 Asia (Singapore) Pte. Ltd.13,907$25.4K
Cubist Systematic Strategies, LLC8,025$14.7K