Jim Simons Ultra Clean Holdings, Inc. Transaction History

Renaissance Technologies LLC

$70.6 Billion
Q3 2025

A detailed history of Jim Simons (Renaissance Technologies LLC) transactions in Ultra Clean Holdings, Inc. stock. As of the latest transaction made, Renaissance Technologies LLC holds 89,500 shares of UCTT stock, worth $2.14 Million. This represents 0.0% of its overall portfolio holdings.

Number of Shares

89,500

Previous 257,200 65.2%

Holding current value

$2.14 Million

Previous $5.81 Million 58.0%

% of portfolio

0.0%

Previous 0.01%

28 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 13, 2025	SELL	$21.63 - $29.38 $3.63 Million - $4.93 Million	-167,700 Reduced 65.2%	89,500 $2.44 Million
Q2 2025 Aug 13, 2025	BUY	$17.84 - $22.81 $3.52 Million - $4.5 Million	197,400 Added 330.1%	257,200 $5.81 Million
Q1 2025 May 14, 2025	SELL	$21.41 - $39.15 $2.2 Million - $4.02 Million	-102,689 Reduced 63.2%	59,800 $1.28 Million
Q4 2024 Feb 13, 2025	SELL	$33.45 - $40.93 $1.18 Million - $1.45 Million	-35,400 Reduced 17.89%	162,489 $5.84 Million
Q3 2024 Nov 13, 2024	BUY	$32.7 - $56.18 $2.58 Million - $4.43 Million	78,789 Added 66.15%	197,889 $7.91 Million

Q2 2024 Aug 09, 2024	BUY	$38.41 - $49.25 $795,086 - $1.02 Million	20,700 Added 21.04%	119,100 $5.84 Million
Q1 2024 May 13, 2024	BUY	$31.35 - $47.01 $893,475 - $1.34 Million	28,500 Added 40.77%	98,400 $4.52 Million
Q4 2023 Feb 13, 2024	SELL	$23.23 - $35.09 $1.12 Million - $1.7 Million	-48,400 Reduced 40.91%	69,900 $2.39 Million
Q3 2023 Nov 14, 2023	SELL	$28.04 - $38.37 $1.15 Million - $1.57 Million	-40,900 Reduced 25.69%	118,300 $3.51 Million
Q2 2023 Aug 11, 2023	SELL	$27.06 - $38.46 $2.93 Million - $4.17 Million	-108,300 Reduced 40.49%	159,200 $6.12 Million
Q1 2023 May 12, 2023	BUY	$29.76 - $38.0 $2.85 Million - $3.64 Million	95,800 Added 55.79%	267,500 $8.87 Million
Q4 2022 Feb 13, 2023	SELL	$24.85 - $37.42 $998,970 - $1.5 Million	-40,200 Reduced 18.97%	171,700 $5.69 Million
Q3 2022 Nov 14, 2022	BUY	$25.44 - $36.09 $3.84 Million - $5.45 Million	151,100 Added 248.52%	211,900 $5.46 Million
Q2 2022 Aug 12, 2022	SELL	$27.98 - $40.65 $1.57 Million - $2.28 Million	-56,100 Reduced 47.99%	60,800 $1.81 Million
Q1 2022 May 13, 2022	BUY	$37.9 - $60.34 $720,100 - $1.15 Million	19,000 Added 19.41%	116,900 $4.96 Million
Q4 2021 Feb 11, 2022	SELL	$41.1 - $60.04 $3.07 Million - $4.48 Million	-74,700 Reduced 43.28%	97,900 $5.62 Million
Q3 2021 Nov 12, 2021	BUY	$39.72 - $54.13 $4.98 Million - $6.79 Million	125,400 Added 265.68%	172,600 $7.35 Million
Q2 2021 Aug 13, 2021	BUY	$45.3 - $65.01 $2.14 Million - $3.07 Million	47,200 New	47,200 $2.54 Million
Q1 2021 May 13, 2021	SELL	$33.82 - $58.04 $2.09 Million - $3.59 Million	-61,900 Closed	0 $0
Q4 2020 Feb 10, 2021	BUY	$21.29 - $36.36 $1.32 Million - $2.25 Million	61,900 New	61,900 $1.93 Million
Q3 2020 Nov 13, 2020	SELL	$19.22 - $30.81 $887,964 - $1.42 Million	-46,200 Closed	0 $0
Q2 2020 Aug 13, 2020	SELL	$12.71 - $24.57 $116,932 - $226,044	-9,200 Reduced 16.61%	46,200 $1.05 Million
Q1 2020 May 14, 2020	BUY	$12.44 - $26.23 $689,176 - $1.45 Million	55,400 New	55,400 $765,000
Q4 2019 Feb 13, 2020	SELL	$14.18 - $23.94 $344,574 - $581,742	-24,300 Closed	0 $0
Q3 2019 Nov 13, 2019	SELL	$11.4 - $16.42 $2.11 Million - $3.04 Million	-185,200 Reduced 88.4%	24,300 $356,000
Q2 2019 Aug 12, 2019	SELL	$10.72 - $14.49 $1.25 Million - $1.68 Million	-116,237 Reduced 35.68%	209,500 $2.92 Million
Q1 2019 May 14, 2019	SELL	$8.36 - $12.85 $1.76 Million - $2.71 Million	-210,518 Reduced 39.26%	325,737 $3.37 Million
Q4 2018 Feb 13, 2019	BUY	$7.13 - $12.75 $3.82 Million - $6.84 Million	536,255 New	536,255 $4.54 Million

Others Institutions Holding UCTT

# of Institutions

267

Shares Held

42.9M

Call Options Held

85.8K

Put Options Held

99.7K

View Full List

About Ultra Clean Holdings, Inc.

Ticker UCTT
Exchange NASDAQ
Sector Technology
Industry Semiconductor Equipment & Materials
Shares Outstandng 45,431,000
Market Cap $1.09B
Description
Ultra Clean Holdings, Inc. develops and supplies critical subsystems, components and parts, and ultra-high purity cleaning and analytical services for the semiconductor industry in the United States and internationally. The company provides ultra-clean valves, high purity connectors, industrial process connectors and valves, pneumatic actuators,...

More about UCTT

Track Jim Simons's Portfolio

Portfolio Update

Get notified when there are updates to the investment portfolio of Renaissance Technologies LLC, based on Form 13F filings with the SEC.

News

Stay updated on Renaissance Technologies LLC and Jim Simons with notifications on news.

Account