$ALXO

$1.13 -$0.04 (3.42%) Close

$ALXO Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 138.3M shares outstanding

Who owns ALXO?

By type of holder

Institutions 76.0% Insiders 1.0% Everyone else 23.0%

Concentration Top 10 holders own 53.5%

Ra Capital Management, L.P. 9.4% · TCG Crossover Management, LLC 4.1%

Institutional ownership

76.0%

+7.8 pts vs last qtr

Institutional holders

+23 vs last qtr

Net shares bought

+10.8M

by institutions in Q2 2026

New / sold out

36 / 13

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

BlackRock, Inc. +7.0M
Silverarc Capital Management, LLC NEW +5.7M

Biggest sellers in Q2 2026

TCG Crossover Management, LLC −7.4M
Adage Capital Partners GP, L.L.C. SOLD OUT −2.0M

Who is planning to sell?

No insider has filed a notice of proposed sale (Form 144) for ALX Oncology Holdings Inc in the last 12 months.

Is your stake being diluted?

Diluted share count, FY2020–FY2025

+190.3%

+23.75% a year

Each share's claim on the business

−65.5%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

— vs $109M

over 6 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years39% 3–5 years0% 1–3 years12% Under 1 year48%

Quarterly turnover

22.5%

of institutional shares changed hands

Top 10 managers, median time held

3 quarters

Super Investors

Investment managers reporting ALXO on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
RC Ra Capital Management, L.P.	13.0M	9.41%	Unchanged	Q1 '26	0.2%
Shares held by quarter Peak holding13.0M (Q1'26) Change over 8 quarters+13.0M Share of the company9.410% Ra Capital Management, L.P.'s full portfolio →
TC TCG Crossover Management, LLC	5.7M	4.09%	−7.4M (−56.5%)	Q1 '26	0.3%
Shares held by quarter Peak holding13.0M (Q1'26) Change over 8 quarters+5.7M Share of the company4.090% TCG Crossover Management, LLC's full portfolio →

Ra Capital Management, L.P.

13.0M

% of company

9.41%

Change vs last qtr

Unchanged

Held since

Q1 '26

TCG Crossover Management, LLC

5.7M

% of company

4.09%

Change vs last qtr

−7.4M (−56.5%)

Held since

Q1 '26

28 more super investors behind a free account

See every manager holding ALX Oncology Holdings Inc, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting ALXO on Form N-PORT; together they hold 9.5% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$7.54M	3.6M	2.63%	0.00%	June 30, 2026
IR iShares Russell 2000 ETF iShares Trust	$5.38M	2.6M	1.88%	0.01%	June 30, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$7.54M

% of company

2.63%

% of the fund

0.00%

As of

June 30, 2026

iShares Russell 2000 ETF

iShares Trust

Position value

$5.38M

% of company

1.88%

% of the fund

0.01%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding ALX Oncology Holdings Inc and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
VG venBio Global Strategic Fund, L.P. 5%+ holder 13D · 3.3%	4.3M	3.11%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company3.110% Disclosed stake13D · 3.3% View the 13D/G filing →
MA Michael A Carusi 5%+ holder 13D · 2.2%	2.9M	2.13%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company2.130% Disclosed stake13D · 2.2% View the 13D/G filing →

venBio Global Strategic Fund, L.P.

5%+ holder13D · 3.3%

4.3M

% of company

3.11%

Change vs last qtr

—

Held since

—

Michael A Carusi

5%+ holder13D · 2.2%

2.9M

% of company

2.13%

Change vs last qtr

—

Held since

—

15 more holders behind a free account

See every insider and 5%+ holder of ALX Oncology Holdings Inc.

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