GILDER GAGNON HOWE & CO LLC

Position in AEHR — Aehr Test Systems

CIK 902464 New York, NY

Position in AEHR

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$16,474,495

+$10,055,125 QoQ

Shares Held

444,296

+39.7% QoQ

Ownership

1.41%

of shares outstanding

% of Portfolio

0.20%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Sep 2025

3 quarters on record

Voting authority Sole 0.ToString("F0")% Shared 0.ToString("F0")% None 100.ToString("F0")%

Technology · as of Mar 31, 2026

GILDER GAGNON HOWE & CO LLC holds $21,235,752 across 3 Semiconductor Equipment & Materials names. AEHR ranks #1 (77.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	AEHR	Aehr Test Systems This page	444,296	$16,474,495
2	ACMR	ACM Research, Inc.	71,245	$2,803,490
3	Q	Qnity Electronics, Inc.	16,968	$1,957,767

3 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$16,474,495	444,296	+39.7%	Shares	Sole	2026-05-15
2025-12-31	$6,419,370	317,948	-1.9%	Shares	Sole	2026-02-17
2025-09-30	$9,756,844	324,040	—	Shares	Sole	2025-11-14
No filing history on record for this holder in this stock.