AWM Investment Company, Inc.

Position in UCTT — Ultra Clean Holdings, Inc.

CIK 1535264 NEW YORK, NY

Position in UCTT

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

Position Value

$711,463

-$2,845,882 QoQ

Shares Held

11,442

-91.9% QoQ

Ownership

0.026%

of shares outstanding

% of Portfolio

0.08%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

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

Technology · as of Mar 31, 2026

AWM Investment Company, Inc. holds $59,815,907 across 2 Semiconductor Equipment & Materials names. UCTT ranks #2 (1.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)	Open
1	AEHR	Aehr Test Systems	1,593,971	$59,104,444
2	UCTT	Ultra Clean Holdings, Inc. This page	11,442	$711,463

25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$711,463	11,442	-91.9%	Shares	Sole	2026-05-15
2025-12-31	$3,557,345	140,440	0.0%	Shares	Sole	2026-02-13
2025-09-30	$3,826,990	140,440	0.0%	Shares	Sole	2025-11-13
2025-06-30	$3,169,730	140,440	-33.1%	Shares	Sole	2025-08-14
2025-03-31	$4,494,322	209,917	+13.5%	Shares	Sole	2025-05-15
2024-12-31	$6,647,766	184,917	+22.0%	Shares	Sole	2025-02-18
2024-09-30	$6,054,066	151,617	+6.6%	Shares	Sole	2024-11-14
2024-06-30	$6,970,152	142,248	0.0%	Shares	Sole	2024-08-14
2024-03-31	$6,534,873	142,248	+7.6%	Shares	Sole	2024-05-16
2023-12-31	$4,514,946	132,248	0.0%	Shares	Sole	2024-02-14
2023-09-30	$3,923,798	132,248	+11.0%	Shares	Sole	2023-11-14
2023-06-30	$4,583,970	119,188	0.0%	Shares	Sole	2023-08-11
2023-03-31	$3,952,274	119,188	-24.0%	Shares	Sole	2023-05-12
2022-12-31	$5,201,864	156,919	-22.3%	Shares	Sole	2023-02-14
2022-09-30	$5,199,414	201,919	+2.7%	Shares	Sole	2022-11-14
2022-06-30	$5,853,585	196,627	0.0%	Shares	Sole	2022-08-12
2022-03-31	$8,335,018	196,627	-20.3%	Shares	Sole	2022-05-13
2021-12-31	$14,146,524	246,627	0.0%	Shares	Sole	2022-02-14
2021-09-30	$10,506,310	246,627	+14.7%	Shares	Sole	2021-11-15
2021-06-30	$11,549,800	215,000	+46.3%	Shares	Sole	2021-08-13
2021-03-31	$8,531,880	147,000	-20.7%	Shares	Sole	2021-05-13
2020-12-31	$5,774,929	185,391	-39.4%	Shares	Sole	2021-02-12
2020-09-30	$6,566,760	306,000	-8.4%	Shares	Sole	2020-11-13
2020-06-30	$7,558,420	334,000	-7.2%	Shares	Sole	2020-08-13
2020-03-31	$4,968,000	360,000	—	Shares	Sole	2020-05-15
No filing history on record for this holder in this stock.