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GILDER GAGNON HOWE & CO LLC

Position in ACMR — ACM Research, Inc.

CIK 902464 New York, NY

Position in ACMR

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$80,836,289
+$78,032,799 QoQ
Shares Held
637,058
+794.2% QoQ
Ownership
0.915%
of shares outstanding
% of Portfolio
0.84%
of 13F equity value
Holder Rank
#17
of 376 holders
Holding Since
Mar 2024
10 quarters on record
Voting authority Sole 0% Shared 0% None 100%

Common Shares in ACMR Over Time

Shares Held

Position Value (USD)

Position in Semiconductor Equipment & Materials

Technology · as of Jun 30, 2026

GILDER GAGNON HOWE & CO LLC holds $96,622,827 across 4 Semiconductor Equipment & Materials names. ACMR ranks #1 (83.7% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 ACMR
ACM Research, Inc.
This page
637,058 $80,836,289

All Filings in ACMR

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10 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $80,836,289 637,058
2026-03-31 $2,803,490 71,245
2025-12-31 $1,987,017 50,368
2025-09-30 $1,970,860 50,367
2025-06-30 $1,285,624 49,638
2025-03-31 $1,161,235 49,753
2024-12-31 $396,526 26,260
2024-09-30 $533,382 26,275
2024-06-30 $611,781 26,530
2024-03-31 $778,649 26,721