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ALX Oncology Ownership | Who Owns ALX Oncology?

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ALX Oncology Ownership Summary

ALX Oncology is owned by 77.73% institutional investors, 0.89% insiders, and 21.37% retail investors. Ra capital management is the largest institutional shareholder, holding 24.25% of ALXO shares. HBM Healthcare Investments AG Ord is the top mutual fund, with 6.38% of its assets in ALX Oncology shares.

ALXO Ownership Benchmark

TypeName% Inst% Insiders% Retail
StockALX Oncology77.73%0.89%21.37%
SectorHealthcare Stocks 245.07%12.10%-157.17%
IndustryBiotech Stocks 380.48%11.73%-292.21%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Ra capital management13.01M24.25%$26.09M
Tcg crossover management13.01M24.25%$26.09M
Venbio partners12.88M24.01%$25.83M
Redmile group7.96M14.84%$15.97M
Blackstone5.83M10.86%$11.71M
Driehaus capital management5.73M10.69%$11.50M
Marshall wace, llp3.76M7.00%$7.51M
Vivo capital3.18M5.94%$6.39M
Almitas capital3.17M5.91%$6.36M
5am venture management3.06M5.70%$6.13M

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
Venbio partners12.88M9.21%$25.83M
5am venture management3.06M1.70%$6.13M
Almitas capital3.17M1.44%$6.36M
Redmile group7.96M1.06%$15.97M
Caxton20.95K1.04%$42.00K
Tcg crossover management13.01M0.75%$26.09M
Vivo capital3.18M0.53%$6.39M
Ra capital management13.01M0.28%$26.09M
Orbimed advisors2.87M0.11%$5.75M
Driehaus capital management5.73M0.08%$11.50M

Top Buyers

HolderShares% AssetsChange
Ra capital management13.01M0.28%13.01M
Tcg crossover management13.01M0.75%13.01M
Blackstone5.83M0.05%5.83M
Redmile group7.96M1.06%4.70M
Driehaus capital management5.73M0.08%4.31M

Top Sellers

HolderShares% AssetsChange
Vestal point capital, lp---3.60M
Tang capital management---3.16M
Cormorant asset management, lp---3.14M
Adage capital partners gp---2.00M
Paradigm biocapital advisors lp---1.58M

New Positions

HolderShares% AssetsChangeValue
Ra capital management13.01M0.28%13.01M$26.09M
Tcg crossover management13.01M0.75%13.01M$26.09M
Blackstone5.83M0.05%5.83M$11.71M
Vivo capital3.18M0.53%3.18M$6.39M
5am venture management3.06M1.70%3.06M$6.13M

Sold Out

HolderChange
Srs capital advisors-2.00
Allspring global investments-2.00
Farther finance advisors-4.00
Creekmur asset management-4.00
Gamma investing-12.00

Institutional Ownership Trends

DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
Jun 30, 20269836.11%105,438,93411.85%770.96%6953.33%10-
Mar 31, 202634-45.16%9,343,336-68.01%170.59%15-37.50%9-43.75%
Dec 31, 202511-82.54%2,731,277-90.17%50.19%4-76.47%2-93.75%
Sep 30, 202518-71.43%2,395,272-91.76%40.15%4-80.00%8-75.00%
Jun 30, 202563-26.74%29,075,912-13.08%541.38%20-39.39%3210.34%

Top Mutual Funds Shareholders

HolderShares% HoldingChange
HBM Healthcare Investments AG Ord8.59M6.38%-
Vanguard Morn Total Stk Mkt Idx Investor3.64M2.71%-
Vanguard Total Stock Mkt Idx Inv3.64M2.71%-
Vanguard MStar Total Stk Mkt Idx Invest3.64M2.63%-
Vanguard US Total Market Shares ETF984.59K1.84%-
iShares Russell 2000 ETF2.54M1.84%-45.12K
Fidelity Select Biotechnology835.50K1.58%-
Fidelity Stock Selector Small Cap837.11K1.57%10.71K
Fidelity Series Small Cap Opps769.53K1.44%-
Fidelity Small Cap Value Fund678.40K1.29%-

Recent Insider Transactions

DateNameRoleActivityValue
Aug 17, 2026Lettmann Jason CHIEF EXECUTIVE OFFICERSell$4.30K
Aug 17, 2026Wong Shelly SVP, FINANCE AND CAOSell$1.11K
Jul 01, 2026Wong Shelly SVP, FINANCE AND CAOSell$2.86K
Mar 19, 2026Lettmann Jason CHIEF EXECUTIVE OFFICERSell$26.71K
Mar 19, 2026Pinto Shelly SVP, FINANCE AND CAOSell$1.96K

Insider Transactions Trends

DateBuySell
2026 Q3-3
2026 Q2--
2026 Q114
2025 Q4--
2025 Q333

ALXO Ownership FAQ

Who Owns ALX Oncology?

ALX Oncology shareholders are primarily institutional investors at 77.73%, followed by 0.89% insiders and 21.38% retail investors. The average institutional ownership in ALX Oncology's industry, Biotech Stocks , is 380.48%, which ALX Oncology falls below.

Who owns the most shares of ALX Oncology?

ALX Oncology’s largest shareholders are Ra capital management (13.01M shares, 24.25%), Tcg crossover management (13.01M shares, 24.25%), and Venbio partners (12.88M shares, 24.01%). Together, they hold 72.51% of ALX Oncology’s total shares outstanding.

Does Blackrock own ALX Oncology?

BlackRock is not among the top 10 institutional shareholders of ALX Oncology.

Who is ALX Oncology’s biggest shareholder by percentage of total assets invested?

Venbio partners is ALX Oncology’s biggest shareholder by percentage of total assets invested, with 9.21% of its assets in 12.88M ALX Oncology shares, valued at 25.83M$.

Who is the top mutual fund holder of ALX Oncology shares?

HBM Healthcare Investments AG Ord is the top mutual fund holder of ALX Oncology shares, with 6.38% of its total shares outstanding invested in 8.59M ALX Oncology shares.

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