DIMENSIONAL FUND ADVISORS LP

Holdings History for Ultra Clean Holdings, Inc. - COMMON STOCK $0.01 PAR VALUE (UCTT)

Symbol: UCTT on Nasdaq
Investment type: Equity - Shares of Stock
Class: COMMON STOCK $0.01 PAR VALUE
Latest Disclosed Ownership: 2.26M shares
Security Ownership: 5%

Shares, Excluding Options vs Price

Value, Excluding Options

Dimensional Fund Advisors LP ownership in Ultra Clean Holdings, Inc. COMMON STOCK $0.01 PAR VALUE (UCTT)

2025-04-15 - Dimensional Fund Advisors LP has filed an SCHEDULE 13G/A form with the Securities and Exchange Commission (SEC) disclosing ownership of 2.26M shares of Ultra Clean Holdings, Inc. COMMON STOCK $0.01 PAR VALUE (UCTT). This represents 5% percent ownership of the company.

Reporting Name	Ownership %	Change	Value $	Shares owned	Change	Activity %	Price	Form	Report date	Filed at
Dimensional Fund Advisors LP	5%		$48.4M	2.26M			$21.41	13G/A	3/31/2025	15 Apr 2025 12:18:00

Holdings date	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
12/31/2024	0.02%	+0%	$86.5M	2.41M	+77,307	+3.32%	$35.95	Q4 2024
9/30/2024	0.02%	0%	$93M	2.33M	-42,594	-1.8%	$39.93	Q3 2024
6/30/2024	0.03%	0%	$116M	2.37M	-165,296	-6.51%	$49.00	Q2 2024
3/31/2024	0.03%	0%	$117M	2.54M	-212,614	-7.73%	$45.94	Q1 2024
12/31/2023	0.03%	0%	$93.9M	2.75M	-5,162	-0.19%	$34.14	Q4 2023
9/30/2023	0.03%	+0%	$81.7M	2.76M	+41,988	+1.55%	$29.67	Q3 2023
6/30/2023	0.03%	+0%	$104M	2.71M	+112,769	+4.34%	$38.46	Q2 2023
3/31/2023	0.03%	+0%	$86.2M	2.6M	+298,675	+13%	$33.16	Q1 2023
12/31/2022	0.02%	+0%	$76.3M	2.3M	+195,177	+9.27%	$33.15	Q4 2022
9/30/2022	0.02%	+0%	$54.2M	2.11M	+4,469	+0.21%	$25.75	Q3 2022
6/30/2022	0.02%	+0%	$62.6M	2.1M	+203,586	+10.7%	$29.77	Q2 2022
3/31/2022	0.02%	+0%	$80.5M	1.9M	+14,339	+0.76%	$42.39	Q1 2022
12/31/2021	0.03%	0%	$108M	1.88M	-4,061	-0.22%	$57.36	Q4 2021
9/30/2021	0.03%	0%	$80.4M	1.89M	-38,603	-2%	$42.60	Q3 2021
6/30/2021	0.03%	0%	$104M	1.93M	-48,018	-2.43%	$53.72	Q2 2021
3/31/2021	0.04%	0%	$115M	1.97M	-182,520	-8.46%	$58.04	Q1 2021
12/31/2020	0.02%	0%	$67.2M	2.16M	-247,425	-10.3%	$31.15	Q4 2020
9/30/2020	0.02%	0%	$51.6M	2.4M	-280,274	-10.4%	$21.46	Q3 2020
6/30/2020	0.03%	0%	$60.8M	2.69M	-384,827	-12.5%	$22.63	Q2 2020
3/31/2020	0.02%	0%	$42.4M	3.07M	-204,076	-6.23%	$13.80	Q1 2020
12/31/2019	0.03%	0%	$76.8M	3.27M	-23,834	-0.72%	$23.47	Q4 2019
9/30/2019	0.02%	+0%	$48.3M	3.3M	+8,304	+0.25%	$14.64	Q3 2019
6/30/2019	0.02%	+0%	$45.8M	3.29M	+44,333	+1.37%	$13.92	Q2 2019
3/31/2019	0.01%	+0%	$33.6M	3.25M	+153,094	+4.95%	$10.35	Q1 2019
12/31/2018	0.01%	0%	$26.2M	3.09M	-72,415	-2.29%	$8.47	Q4 2018
9/30/2018	0.02%	+0%	$39.7M	3.16M	+419,419	+15.3%	$12.55	Q3 2018
6/30/2018	0.02%	+0%	$45.6M	2.75M	+386,908	+16.4%	$16.60	Q2 2018
3/31/2018	0.02%	+0%	$45.4M	2.36M	+63,287	+2.76%	$19.25	Q1 2018
12/31/2017	0.02%	0%	$53M	2.29M	-516,116	-18.4%	$23.09	Q4 2017
9/30/2017	0.04%	0%	$86.1M	2.81M	-7,674	-0.27%	$30.62	Q3 2017
6/30/2017	0.02%	+0%	$52.9M	2.82M	+39,357	+1.42%	$18.75	Q2 2017
3/31/2017	0.02%	+0%	$46.9M	2.78M	+488,054	+21.3%	$16.87	Q1 2017
12/31/2016	0.01%	+0%	$22.2M	2.29M	+377,802	+19.7%	$9.70	Q4 2016
9/30/2016	0.01%	+0%	$14.2M	1.91M	+82,203	+4.49%	$7.41	Q3 2016
6/30/2016	0.01%	+0%	$10.4M	1.83M	+102,647	+5.94%	$5.69	Q2 2016
3/31/2016	0.01%	+0%	$9.27M	1.73M	+148,125	+9.37%	$5.36	Q1 2016
12/31/2015	0.01%	+0%	$8.09M	1.58M	+231,825	+17.2%	$5.12	Q4 2015
9/30/2015	0.01%	+0%	$7.74M	1.35M	+74,548	+5.85%	$5.74	Q3 2015
6/30/2015	0%	+0%	$7.94M	1.27M	+33,794	+2.72%	$6.23	Q2 2015
3/31/2015	0.01%	+0%	$8.87M	1.24M	+110,076	+9.74%	$7.15	Q1 2015
12/31/2014	0.01%	+0%	$10.5M	1.13M	+89,804	+8.63%	$9.28	Q4 2014
9/30/2014	0.01%	+0%	$9.31M	1.04M	+7,855	+0.76%	$8.95	Q3 2014
6/30/2014	0.01%	+0%	$9.34M	1.03M	+179,729	+21.1%	$9.05	Q2 2014
3/31/2014	0.01%	+0%	$11.2M	853K	+81,126	+10.5%	$13.15	Q1 2014
12/31/2013	0.01%		$7.74M	772K			$10.03	Q4 2013

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.