Longaeva Partners L.P.

Position in ACMR — ACM Research, Inc.

CIK 2054122 Chicago, IL

Position in ACMR

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$2,250,013

-$25,624,700 QoQ

Shares Held

17,732

-97.5% QoQ

Ownership

0.025%

of shares outstanding

% of Portfolio

0.07%

of 13F equity value

Holder Rank

#141

of 374 holders

Holding Since

Mar 2026

2 quarters on record

Voting authority Sole 0% Shared 100% None 0%

Technology · as of Jun 30, 2026

Longaeva Partners L.P. holds $7,053,255 across 3 Semiconductor Equipment & Materials names. ACMR ranks #2 (31.9% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	UCTT	Ultra Clean Holdings, Inc.	26,305	$3,750,829
2	ACMR	ACM Research, Inc. This page	17,732	$2,250,013
3	ASML	Asml Holding NV	529	$1,052,413

2 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$2,250,013	17,732	-97.5%	Shares	Other	2026-08-14
2026-03-31	$27,874,713	708,379	—	Shares	Other	2026-05-15
No filing history on record for this holder in this stock.