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Equibles

RENAISSANCE TECHNOLOGIES LLC

Position in UCTT — Ultra Clean Holdings, Inc.

CIK 1037389 NEW YORK, NY
Back to UCTT Full portfolio

Position in UCTT

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$13,104,021
+$10,408,909 QoQ
Shares Held
91,900
-13.6% QoQ
Ownership
0.203%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#70
of 438 holders
Holding Since
Mar 2020
23 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in UCTT Over Time

Shares Held

Position Value (USD)

Position in Semiconductor Equipment & Materials

Technology · as of Jun 30, 2026

RENAISSANCE TECHNOLOGIES LLC holds $629,021,128 across 19 Semiconductor Equipment & Materials names. UCTT ranks #10 (2.1% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 NVMI
Nova Ltd.
 448,586 $243,555,282
2 TER
Teradyne, Inc
 218,100 $105,525,504
3 AMKR
Amkor Technology, Inc.
 580,600 $50,065,138
4 FORM
Formfactor Inc
 295,568 $47,270,190
5 ICHR
Ichor Holdings, Ltd.
 296,400 $33,279,792
6 ACMR
ACM Research, Inc.
 229,800 $29,159,322
7 Q
Qnity Electronics, Inc.
 130,900 $21,377,279
8 IPGP
Ipg Photonics Corp
 122,200 $14,336,504

All Filings in UCTT

Export CSV
23 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $13,104,021 91,900
2025-12-31 $2,695,112 106,400
2025-09-30 $2,438,875 89,500
2025-06-30 $5,805,004 257,200
2025-03-31 $1,280,318 59,800
2024-12-31 $5,841,479 162,489
2024-09-30 $7,901,707 197,889
2024-06-30 $5,835,900 119,100
2024-03-31 $4,520,496 98,400
2023-12-31 $2,386,386 69,900
2023-09-30 $3,509,961 118,300
2023-06-30 $6,122,832 159,200
2023-03-31 $8,870,300 267,500
2022-12-31 $5,691,855 171,700
2022-09-30 $5,456,425 211,900
2022-06-30 $1,810,016 60,800
2022-03-31 $4,955,391 116,900
2021-12-31 $5,615,544 97,900
2021-09-30 $7,352,760 172,600
2021-06-30 $2,535,584 47,200
2020-12-31 $1,928,185 61,900
2020-06-30 $1,045,506 46,200
2020-03-31 $764,520 55,400