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Equibles

JANE STREET GROUP, LLC

Position in UCTT — Ultra Clean Holdings, Inc.

CIK 1595888 NEW YORK, NY
Back to UCTT Full portfolio

Position in UCTT

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$280,902
-$18,976,430 QoQ
Shares Held
1,970
-99.4% QoQ
Ownership
0.004%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#312
of 438 holders
Holding Since
Dec 2020
22 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in UCTT Over Time

Shares Held

Position Value (USD)

Derivatives in UCTT

reported options exposure · as of Jun 30, 2026
CallValue
$16,982,469
CallShares
119,100
PutValue
$11,079,243
PutShares
77,700

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Semiconductor Equipment & Materials

Technology · as of Jun 30, 2026

JANE STREET GROUP, LLC holds $2,249,113,515 across 23 Semiconductor Equipment & Materials names. UCTT ranks #21 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 LRCX
Lam Research Corp
 1,118,602 $484,723,803
2 Q
Qnity Electronics, Inc.
 2,508,359 $409,640,108
3 AXTI
Axt Inc
 3,527,115 $254,234,448
4 AMAT
Applied Materials Inc /De
 348,550 $252,001,650
5 TER
Teradyne, Inc
 518,639 $250,938,293
6 FORM
Formfactor Inc
 1,309,873 $209,487,988
7 CAMT
Camtek Ltd
 895,030 $145,997,293
8 AEHR
Aehr Test Systems
 753,523 $72,383,418

All Filings in UCTT

Export CSV
37 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $11,079,243 77,700
2026-06-30 $280,902 1,970
2026-06-30 $16,982,469 119,100
2026-03-31 $2,282,006 36,700
2026-03-31 $19,257,332 309,703
2026-03-31 $3,413,682 54,900
2025-12-31 $2,572,361 101,554
2025-12-31 $276,097 10,900
2025-09-30 $291,575 10,700
2025-09-30 $1,931,506 70,881
2025-09-30 $504,125 18,500
2025-06-30 $4,034,250 178,744
2025-03-31 $3,173,260 148,214
2024-12-31 $255,245 7,100
2024-09-30 $3,931,466 98,459
2024-06-30 $1,980,825 40,425
2024-03-31 $270,723 5,893
2023-12-31 $331,122 9,699
2023-06-30 $614,359 15,974
2023-03-31 $285,573 8,612
2022-12-31 $723,896 21,837
2022-09-30 $445,526 17,302
2022-06-30 $607,010 20,390
2022-03-31 $1,559,952 36,800
2022-03-31 $546,449 12,891
2022-03-31 $1,801,575 42,500
2021-12-31 $2,219,832 38,700
2021-12-31 $1,037,527 18,088
2021-12-31 $2,403,384 41,900
2021-09-30 $1,469,700 34,500
2021-09-30 $1,329,077 31,199
2021-09-30 $1,278,000 30,000
2021-06-30 $1,869,025 34,792
2021-06-30 $1,477,300 27,500
2021-06-30 $1,337,628 24,900
2021-03-31 $2,059,955 35,492
2020-12-31 $257,392 8,263