Question 1

Who owns ACMR stock?

Accepted Answer

ACMR (ACM RESH INC) is held by 3 tracked superinvestors with an aggregate position value of $33M based on the most recent SEC 13F filings. Top institutional holders include: Longleaf Partners, Dodge & Cox, Lee Ainslie.

Question 2

How much ACMR do superinvestors hold in aggregate?

Accepted Answer

Across 3 tracked managers, superinvestors collectively report $33M in ACMR positions worth 261,185 shares.

Question 3

What is the largest holder of ACMR?

Accepted Answer

The largest tracked holder of ACMR is Longleaf Partners (Southeastern Asset Management) with 139,478 shares worth $18M, representing 0.92% of their portfolio.

Investor	Fund	Shares	Value▼	% of Portfolio	Rpt Price	Period
Longleaf Partners	Southeastern Asset Management	139478	$17.7M	0.92%	$126.89	Q2 2026
Dodge & Cox	Dodge & Cox	116392	$14.8M	0.01%	$126.89	Q2 2026
Lee Ainslie	Maverick Capital	5315	$674K	0.01%	$126.89	Q2 2026

ACMRACM RESH INC

📊 Holdings Over Time

Quarter-by-Quarter Activity