Institutional shares held 31.6 Million
53.8K calls
11.7K puts
Total value of holdings $51.8M
$88K calls
$19K puts
Market Cap $66.8M
40,747,100 Shares Out.
Institutional ownership 77.54%
# of Institutions 67


Latest Institutional Activity in ALXO

Top Purchases

Q3 2025
Commonwealth Equity Services, LLC Shares Held: 20.6K ($33.7K)
Q2 2025
Almitas Capital LLC Shares Held: 2.54M ($4.16M)
Q2 2025
Jane Street Group, LLC Shares Held: 203K ($333K)
Q2 2025
Gsa Capital Partners LLP Shares Held: 81.3K ($133K)
Q2 2025
Renaissance Technologies LLC Shares Held: 85.4K ($140K)

Top Sells

Q3 2025
Cwm, LLC Shares Held: 144 ($236)
Q3 2025
Nisa Investment Advisors, LLC Shares Held: 1.11K ($1.81K)
Q2 2025
State Street Corp Shares Held: 124K ($204K)
Q2 2025
Geode Capital Management, LLC Shares Held: 315K ($517K)
Q2 2025
Millennium Management LLC Shares Held: 493K ($808K)

About ALXO

ALX Oncology Holdings Inc., a clinical-stage immuno-oncology company, focuses on developing therapies for patients fighting cancer. Its lead product candidate is ALX148, a CD47 blocking therapeutic that is in Phase 1b/2 clinical trial used for the treatment of myelodysplastic syndromes; and for the treatment of acute myeloid leukemia and non-Hodgkin's lymphoma, as well as a range of solid tumor indications, including head and neck squamous cell carcinoma, human epidermal growth factor receptor 2 (HER2) positive gastric/gastroesophageal junction carcinoma, HER2-expressing breast cancer, and other solid tumors. The company's pre-clinical products include ALTA-002, a SIRPa TRAAC that offers ways to engage the innate and adaptive immune response to cancer. ALX Oncology Holdings Inc. has a collaboration agreement with Merck for a Phase 2 trial evaluating ALX148 in combination with pembrolizumab with and without chemotherapy in patients with head and neck cancer; Zymeworks on a Phase 1 trial evaluating ALX148 with the HER2-targeting bispecific antibody zanidatamab in patients with HER2-expressing breast cancer and other solid tumors; and Tallac Therapeutics for the development, manufacturing and commercialization of a novel class of cancer immunotherapeutics. It also has a license agreement with Selexis SA and Crystal Bioscience, Inc. The company was founded in 2015 and is headquartered in South San Francisco, California.


Insider Transactions at ALXO

Insider Transaction List

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Date Insider Transaction Ownership Type Shares Traded Value / Price
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Last 12 Months Summary

Buy / Acquisition
242K Shares
From 5 Insiders
Open market or private purchase 197K shares
Grant, award, or other acquisition 45K shares
Sell / Disposition
25K Shares
From 3 Insiders
Open market or private sale 25K shares

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