HARBOR CAPITAL ADVISORS, INC.

Position in UCTT — Ultra Clean Holdings, Inc.

CIK 1039128 CHICAGO, IL

Position in UCTT

as of Jun 30, 2026 · filed Aug 7, 2026 Compact

Position Value

$18,394

+$10,311 QoQ

Shares Held

129

-0.8% QoQ

Ownership

0.000%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#382

of 437 holders

Holding Since

Mar 2024

10 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Technology · as of Jun 30, 2026

HARBOR CAPITAL ADVISORS, INC. holds $36,177,285 across 9 Semiconductor Equipment & Materials names. UCTT ranks #8 (0.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	KLAC	Kla Corp	44,033	$13,285,196
2	LRCX	Lam Research Corp	21,406	$9,275,861
3	ACLS	Axcelis Technologies Inc	25,961	$4,918,311
4	FORM	Formfactor Inc	18,088	$2,892,813
5	TER	Teradyne, Inc	4,170	$2,017,612
6	AMBA	Ambarella Inc	23,331	$2,001,799
7	KLIC	Kulicke & Soffa Industries Inc	13,115	$1,754,262
8	UCTT	Ultra Clean Holdings, Inc. This page	129	$18,394

10 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$18,394	129	-0.8%	Shares	Sole	2026-08-07
2026-03-31	$8,083	130	-99.8%	Shares	Sole	2026-04-28
2025-12-31	$1,964,417	77,553	-31.0%	Shares	Sole	2026-01-20
2025-09-30	$3,061,237	112,339	-75.1%	Shares	Sole	2025-10-15
2025-06-30	$10,170,109	450,603	+13.3%	Shares	Sole	2025-07-09
2025-03-31	$8,513,450	397,639	+5.7%	Shares	Sole	2025-04-14
2024-12-31	$13,518,673	376,041	+2.4%	Shares	Sole	2025-01-10
2024-09-30	$14,662,775	367,212	+130.1%	Shares	Sole	2024-10-29
2024-06-30	$7,819,371	159,579	+287.4%	Shares	Sole	2024-07-09
2024-03-31	$1,892,222	41,189	—	Shares	Sole	2024-05-13
No filing history on record for this holder in this stock.