MARK SHEPTOFF FINANCIAL PLANNING, LLC

Position in ACMR — ACM Research, Inc.

CIK 1607355 GLASTONBURY, CT

Position in ACMR

as of Jun 30, 2026 · filed Aug 13, 2026 Compact

Position Value

$25,378

+$17,508 QoQ

Shares Held

200

0.0% QoQ

Ownership

0.000%

of shares outstanding

% of Portfolio

0.02%

of 13F equity value

Holder Rank

#331

of 374 holders

Holding Since

Mar 2024

7 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Technology · as of Jun 30, 2026

MARK SHEPTOFF FINANCIAL PLANNING, LLC holds $126,109 across 5 Semiconductor Equipment & Materials names. ACMR ranks #3 (20.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	AMAT	Applied Materials Inc /De	52	$37,596
2	VECO	Veeco Instruments Inc	400	$30,320
3	ACMR	ACM Research, Inc. This page	200	$25,378
4	TER	Teradyne, Inc	50	$24,192
5	AMKR	Amkor Technology, Inc.	100	$8,623

7 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$25,378	200	0.0%	Shares	Sole	2026-08-13
2026-03-31	$7,870	200	0.0%	Shares	Sole	2026-05-11
2025-12-31	$7,890	200	-33.3%	Shares	Sole	2026-02-12
2025-06-30	$7,770	300	0.0%	Shares	Sole	2025-08-06
2025-03-31	$7,002	300	-95.5%	Shares	Sole	2025-05-13
2024-06-30	$152,196	6,600	-13.2%	Shares	Sole	2024-08-12
2024-03-31	$221,464	7,600	—	Shares	Sole	2024-05-10
No filing history on record for this holder in this stock.