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Equibles

DIMENSIONAL FUND ADVISORS LP

Position in UCTT — Ultra Clean Holdings, Inc.

CIK 354204 AUSTIN, TX
Back to UCTT Full portfolio

Position in UCTT

as of Jun 30, 2026 · filed Aug 11, 2026
Position Value
$135,368,384
+$72,456,030 QoQ
Shares Held
949,354
-6.2% QoQ
Ownership
2.10%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#10
of 438 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 89% Shared 6% None 5%

Common Shares in UCTT Over Time

Shares Held

Position Value (USD)

Position in Semiconductor Equipment & Materials

Technology · as of Jun 30, 2026

DIMENSIONAL FUND ADVISORS LP holds $12,038,891,902 across 26 Semiconductor Equipment & Materials names. UCTT ranks #13 (1.1% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 LRCX
Lam Research Corp
 5,956,458 $2,581,111,943
2 ASML
Asml Holding NV
 1,096,493 $2,181,406,922
3 KLAC
Kla Corp
 7,008,040 $2,114,395,746
4 AMAT
Applied Materials Inc /De
 2,691,332 $1,945,833,036
5 AMKR
Amkor Technology, Inc.
 8,064,191 $695,375,188
6 TER
Teradyne, Inc
 754,282 $364,951,801
7 Q
Qnity Electronics, Inc.
 1,629,333 $266,086,370
8 FORM
Formfactor Inc
 1,418,910 $226,926,274

All Filings in UCTT

Export CSV
26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $135,368,384 949,354
2026-03-31 $62,912,354 1,011,778
2025-12-31 $38,624,625 1,524,857
2025-09-30 $52,936,230 1,942,614
2025-06-30 $48,298,827 2,139,957
2025-03-31 $48,440,529 2,262,519
2024-12-31 $86,525,680 2,406,834
2024-09-30 $93,018,010 2,329,527
2024-06-30 $116,233,929 2,372,121
2024-03-31 $116,568,935 2,537,417
2023-12-31 $93,886,056 2,750,031
2023-09-30 $81,746,574 2,755,193
2023-06-30 $104,349,862 2,713,205
2023-03-31 $86,230,455 2,600,436
2022-12-31 $76,303,374 2,301,761
2022-09-30 $54,244,535 2,106,584
2022-06-30 $62,579,960 2,102,115
2022-03-31 $80,478,644 1,898,529
2021-12-31 $108,077,138 1,884,190
2021-09-30 $80,439,492 1,888,251
2021-06-30 $103,510,596 1,926,854
2021-03-31 $114,621,570 1,974,872
2020-12-31 $67,202,760 2,157,392
2020-09-30 $51,607,372 2,404,817
2020-06-30 $60,763,609 2,685,091
2020-03-31 $42,364,868 3,069,918