ALX Oncology Ownership | Who Owns ALX Oncology?

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ALX Oncology Ownership Summary

ALX Oncology is owned by 5.10% institutional investors, 2.90% insiders, and 92.00% retail investors. Venbio partners is the largest institutional shareholder, holding 18.15% of ALXO shares. HBM Healthcare Investments AG Ord is the top mutual fund, with 8.42% of its assets in ALX Oncology shares.

ALXO Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	ALX Oncology	5.10%	2.90%	92.00%
Sector	Healthcare Stocks	232.51%	10.72%	-143.23%
Industry	Biotech Stocks	384.56%	10.58%	-295.14%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Venbio partners	9.70M	18.15%	$17.75M
Redmile group	3.33M	6.24%	$6.10M
Blackrock	2.69M	5.36%	$16.21M
Almitas capital	2.54M	4.75%	$4.64M
Millennium management	2.13M	4.04%	$3.56M
Vanguard group	1.63M	3.04%	$1.84M
Acadian asset management	1.37M	2.56%	$1.55M
Ubs group	865.99K	1.62%	$978.57K
Driehaus capital management	795.78K	1.49%	$1.46M
Two sigma advisers, lp	719.80K	1.35%	$1.32M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Venbio partners	9.70M	10.06%	$17.75M
Almitas capital	2.54M	1.06%	$4.64M
Redmile group	3.33M	0.59%	$6.10M
Affinity asset advisors	100.00K	0.07%	$603.00K
Hc advisors	23.90K	0.02%	$27.01K
Driehaus capital management	795.78K	0.01%	$1.46M
Gsa capital partners llp	92.65K	0.01%	$105.00K
Jacobs levy equity management	232.02K	0.01%	$1.40M
Torno capital	16.00K	0.00%	$96.48K
Jsf financial	17.50K	0.00%	$19.77K

Top Buyers

Holder	Shares	% Assets	Change
Driehaus capital management	795.78K	0.01%	795.78K
Ubs group	865.99K	0.00%	693.42K
Ameriprise financial	652.90K	0.00%	652.90K
Blackrock	2.69M	0.00%	466.06K
Renaissance	423.10K	0.00%	258.60K

Top Sellers

Holder	Shares	% Assets	Change
Vivo capital	-	-	-4.03M
Vestal point capital, lp	-	-	-3.60M
Tang capital management	-	-	-3.16M
Cormorant asset management, lp	-	-	-3.14M
Orbimed advisors	-	-	-1.89M

New Positions

Holder	Shares	% Assets	Change	Value
Driehaus capital management	795.78K	0.01%	795.78K	$1.46M
Ameriprise financial	652.90K	0.00%	652.90K	$1.19B
Jacobs levy equity management	232.02K	0.01%	232.02K	$1.40M
Affinity asset advisors	100.00K	0.07%	100.00K	$603.00K
Bridgeway capital management	36.00K	0.00%	36.00K	$65.88K

Sold Out

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

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Dec 31, 2025	11	-82.54%	2,731,277	-90.17%	5	0.19%	4	-76.47%	2	-93.75%
Sep 30, 2025	18	-71.43%	2,395,272	-91.76%	4	0.15%	4	-80.00%	8	-75.00%
Jun 30, 2025	63	-26.74%	29,075,912	-13.08%	54	1.38%	20	-39.39%	32	10.34%
Mar 31, 2025	86	-7.53%	34,801,922	-15.26%	65	1.07%	34	-35.85%	29	38.10%
Dec 31, 2024	93	-2.11%	41,059,279	-9.68%	77	1.05%	52	-10.34%	21	-4.55%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
HBM Healthcare Investments AG Ord	4.50M	8.42%	-
Vanguard US Total Market Shares ETF	984.59K	1.84%	-
Vanguard Total Stock Mkt Idx Inv	963.53K	1.80%	-21.06K
Fidelity Select Biotechnology	835.50K	1.58%	-
Fidelity Stock Selector Small Cap	837.11K	1.57%	10.71K
Fidelity Series Small Cap Opps	769.53K	1.44%	-
Fidelity Small Cap Value Fund	678.40K	1.29%	-
Biotech Growth Ord	512.26K	0.97%	105.00K
Fidelity Small Cap Growth	432.37K	0.82%	-1.26M
Fidelity Small Cap Index	348.14K	0.65%	-

Recent Insider Transactions

Date	Name	Role	Activity	Value
Feb 02, 2026	GOODMAN COREY S		Buy	$5.00M
Jan 06, 2026	Pinto Shelly	SVP, FINANCE AND CAO	Sell	$4.36K
Sep 16, 2025	Lettmann Jason	CHIEF EXECUTIVE OFFICER	Buy	$22.46K
Sep 17, 2025	Lettmann Jason	CHIEF EXECUTIVE OFFICER	Buy	$76.89K
Aug 18, 2025	Shantharam Harish	Chief Financial Officer	Buy	$58.40K

Insider Transactions Trends

Date	Buy	Sell
2026 Q1	1	1
2025 Q4	-	-
2025 Q3	3	3
2025 Q2	-	1
2025 Q1	-	4

ALXO Ownership FAQ

Who Owns ALX Oncology?

ALX Oncology shareholders are primarily institutional investors at 5.10%, followed by 2.90% insiders and 92.00% retail investors. The average institutional ownership in ALX Oncology's industry, Biotech Stocks , is 384.56%, which ALX Oncology falls below.

Who owns the most shares of ALX Oncology?

ALX Oncology’s largest shareholders are Venbio partners (9.7M shares, 18.15%), Redmile group (3.33M shares, 6.24%), and Blackrock (2.69M shares, 5.36%). Together, they hold 29.75% of ALX Oncology’s total shares outstanding.

Does Blackrock own ALX Oncology?

Yes, BlackRock owns 5.36% of ALX Oncology, totaling 2.69M shares as of Jun 2024. This represents 0.00% of BlackRock's total assets, with a market value of 16.21M$. In the last quarter, BlackRock increased its holdings by 466.06K shares, a 20.98% change.

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 10.06% of its assets in 9.7M ALX Oncology shares, valued at 17.75M$.

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 8.42% of its total shares outstanding invested in 4.5M ALX Oncology shares.

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