Oberweis Asset Management Inc Ultra Clean Holdings, Inc. Transaction History

Oberweis Asset Management Inc

$2.39 Billion
Q3 2025

A detailed history of Oberweis Asset Management Inc transactions in Ultra Clean Holdings, Inc. stock. As of the latest transaction made, Oberweis Asset Management Inc holds 613,300 shares of UCTT stock, worth $14.7 Million. This represents 0.7% of its overall portfolio holdings.

Number of Shares

613,300

Previous 613,300 -0.0%

Holding current value

$14.7 Million

Previous $13.8 Million 20.73%

% of portfolio

0.7%

Previous 0.65%

20 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q4 2024 Feb 14, 2025	BUY	$33.45 - $40.93 $5.79 Million - $7.09 Million	173,200 Added 39.35%	613,300 $22 Million
Q3 2024 Nov 14, 2024	BUY	$32.7 - $56.18 $3.94 Million - $6.77 Million	120,500 Added 37.7%	440,100 $17.6 Million
Q1 2024 May 15, 2024	BUY	$31.35 - $47.01 $2.27 Million - $3.41 Million	72,500 Added 29.34%	319,600 $14.7 Million
Q4 2023 Feb 14, 2024	BUY	$23.23 - $35.09 $673,670 - $1.02 Million	29,000 Added 13.3%	247,100 $8.44 Million
Q3 2023 Nov 14, 2023	BUY	$28.04 - $38.37 $1.32 Million - $1.81 Million	47,200 Added 27.62%	218,100 $6.47 Million

Q2 2023 Aug 14, 2023	BUY	$27.06 - $38.46 $1.03 Million - $1.47 Million	38,200 Added 28.79%	170,900 $6.57 Million
Q1 2023 May 15, 2023	BUY	$29.76 - $38.0 $1.93 Million - $2.46 Million	64,800 Added 95.43%	132,700 $4.4 Million
Q4 2022 Feb 14, 2023	SELL	$24.85 - $37.42 $614,789 - $925,770	-24,740 Reduced 26.71%	67,900 $2.25 Million
Q3 2022 Nov 14, 2022	SELL	$25.44 - $36.09 $470,640 - $667,665	-18,500 Reduced 16.65%	92,640 $2.39 Million
Q2 2022 Aug 15, 2022	SELL	$27.98 - $40.65 $1.37 Million - $1.99 Million	-49,000 Reduced 30.6%	111,140 $3.31 Million
Q1 2022 May 16, 2022	BUY	$37.9 - $60.34 $701,529 - $1.12 Million	18,510 Added 13.07%	160,140 $6.79 Million
Q4 2021 Feb 14, 2022	BUY	$41.1 - $60.04 $2.14 Million - $3.13 Million	52,150 Added 58.28%	141,630 $8.12 Million
Q3 2021 Nov 15, 2021	BUY	$39.72 - $54.13 $115,188 - $156,977	2,900 Added 3.35%	89,480 $3.81 Million
Q2 2021 Aug 16, 2021	BUY	$45.3 - $65.01 $288,561 - $414,113	6,370 Added 7.94%	86,580 $4.65 Million
Q1 2021 May 17, 2021	BUY	$33.82 - $58.04 $1.46 Million - $2.51 Million	43,210 Added 116.78%	80,210 $4.66 Million
Q4 2020 Feb 16, 2021	SELL	$21.29 - $36.36 $44,709 - $76,356	-2,100 Reduced 5.37%	37,000 $1.15 Million
Q3 2020 Nov 16, 2020	SELL	$19.22 - $30.81 $353,648 - $566,904	-18,400 Reduced 32.0%	39,100 $839,000
Q2 2020 Aug 14, 2020	BUY	$12.71 - $24.57 $15,252 - $29,484	1,200 Added 2.13%	57,500 $1.3 Million
Q1 2020 May 15, 2020	BUY	$12.44 - $26.23 $49,760 - $104,920	4,000 Added 7.65%	56,300 $777,000
Q4 2019 Feb 14, 2020	BUY	$14.18 - $23.94 $741,614 - $1.25 Million	52,300 New	52,300 $1.23 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,...

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Oberweis Asset Management Inc Ultra Clean Holdings, Inc. Transaction History