Alx Oncology Holdings ALXO Institutional Ownership

NASDAQ ALXO

$2.01 -0.02 (-0.99%)

At close: Sep 4, 2026 · 4:00 PM EDT

Institutions by Trading Activity

96 Institutions

Increased 69 71.9%

Unchanged 17 17.7%

Reduced 10 10.4%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

77.73%

▼-12.41 pp QoQ

Shares Held by Institutions

105.44Mn

of 135.64Mn outstanding

▲+16.80% QoQ

Shares Outstanding

135.64Mn

30.20Mn held outside 13F filers

Institutional Investors

filed 13F for Jun 2026

▲+27 vs prior quarter

Net Shares Added (QoQ)

+15.16Mn

accumulated since last quarter

Value of Holdings

$214.04Mn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 30 Jun, 2026

Alx Oncology Holdings Inc (NASDAQ:ALXO) has 96 institutional investors with active 13F positions as of June 2026.

Collectively, these holders controlled 77.7% of Alx Oncology Holdings's outstanding shares in June 2026, down from 90.1% in March 2026.
They increased total shares held in Alx Oncology Holdings by 16.8% from the prior quarter, while the number of investors in ALXO increased 60.0% year over year.
Of these 96 funds, 69 grew their exposure to Alx Oncology Holdings, 10 cut back, and 17 maintained positions.
The aggregate institutional position in Alx Oncology Holdings amounted to 105.44Mn shares as of June 2026, up by 15.16Mn shares quarter on quarter, and up 76.4Mn shares year over year.
RA CAPITAL MANAGEMENT, L.P. holds the largest position in ALXO at 13.01Mn shares as of June 30, 2026, or 9.59% of shares outstanding.
The largest buyers of Alx Oncology Holdings for the quarter ending June 2026 were BlackRock, Inc. (6.95Mn), SILVERARC CAPITAL MANAGEMENT, LLC (5.74Mn), GEODE CAPITAL MANAGEMENT, LLC (2.29Mn), State Street Corp (1.32Mn), Jpmorgan Chase & Co (1.04Mn).
Leading sellers of Alx Oncology Holdings shares for the quarter ending June 2026 were TCG Crossover Management, LLC (7.36Mn), SUSQUEHANNA INTERNATIONAL GROUP, LLP (1.21Mn), MARSHALL WACE, LLP (685.72K), Redmile Group, LLC (571.68K), Bank Of America Corp /De/ (501.75K).
According to Business Quant data, leading holders of ALXO for June 2026 are RA CAPITAL MANAGEMENT, L.P. (13.01Mn), venBio Partners LLC (12.88Mn), BlackRock, Inc. (7.4Mn), Redmile Group, LLC (7.39Mn), Blackstone Inc. (6.59Mn), DRIEHAUS CAPITAL MANAGEMENT LLC (6.03Mn), SILVERARC CAPITAL MANAGEMENT, LLC (5.74Mn), TCG Crossover Management, LLC (5.66Mn), VANGUARD CAPITAL MANAGEMENT LLC (4.97Mn), Vivo Capital, LLC (3.18Mn).

Form 13F Holdings

96 Institutional Holders

Report period 30 Jun, 2026

Total shares held 105.44Mn

Of outstanding 77.73%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	RA CAPITAL MANAGEMENT, L.P.	0001346824	13,011,849	9.59%	0	0.00%	$26.93Mn
2	venBio Partners LLC	0001776382	12,884,638	9.50%	0	0.00%	$26.67Mn
3	BlackRock, Inc.	0002012383	7,399,530	5.46%	▲6,951,731	+1,552.42%	$15.32Mn
4	Redmile Group, LLC	0001425738	7,392,504	5.45%	▼571,684	-7.18%	$15.30Mn
5	Blackstone Inc.	0001393818	6,593,543	4.86%	▲766,999	+13.16%	$13.65Mn
6	DRIEHAUS CAPITAL MANAGEMENT LLC	0000938206	6,025,240	4.44%	▲290,620	+5.07%	$12.47Mn
7	SILVERARC CAPITAL MANAGEMENT, LLC	0001816307	5,744,757	4.24%	▲5,744,757	0.00%	$11.89Mn
8	TCG Crossover Management, LLC	0001839948	5,655,487	4.17%	▼7,356,362	-56.54%	$11.71Mn
9	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	4,973,436	3.67%	▲793,700	+18.99%	$10.30Mn
10	Vivo Capital, LLC	0001674712	3,184,713	2.35%	0	0.00%	$6.59Mn
11	MARSHALL WACE, LLP	0001318757	3,071,496	2.26%	▼685,720	-18.25%	$6.36Mn
12	5AM Venture Management, LLC	0001799883	3,057,325	2.25%	0	0.00%	$6.33Mn
13	Almitas Capital LLC	0001596468	2,938,431	2.17%	▼235,403	-7.42%	$6.08Mn
14	ORBIMED ADVISORS LLC	0001055951	2,866,256	2.11%	0	0.00%	$5.93Mn
15	GEODE CAPITAL MANAGEMENT, LLC	0001214717	2,787,809	2.06%	▲2,294,372	+464.98%	$5.77Mn
16	TWO SIGMA INVESTMENTS, LP	0001179392	2,178,176	1.61%	▲590,343	+37.18%	$4.51Mn
17	MILLENNIUM MANAGEMENT LLC	0001273087	1,543,594	1.14%	▼444,965	-22.38%	$3.20Mn
18	State Street Corp	0000093751	1,498,905	1.11%	▲1,323,077	+752.48%	$3.10Mn
19	ACADIAN ASSET MANAGEMENT LLC	0000916542	1,313,490	0.97%	▲212,465	+19.30%	$2.71K
20	Jpmorgan Chase & Co	0000019617	1,044,728	0.77%	▲1,044,629	+1,055,180.80%	$2.30Mn

Showing 1 to 20 of 96 holders