Ultra Clean Holdings, Inc. - Common stock, par value $0.001 per share (UCTT)

Historical Holders from Q1 2014 to Q3 2025

Symbol: UCTT on Nasdaq
Type / Class: Equity / Common stock, par value $0.001 per share
Shares outstanding: 45,150,213
All holders as of 30 Sep 2025: Q3 2025
Total 13F shares, excl. options: 42,107,281
Holdings value: $1,147,436,404
% of all portfolios: 0.003%
Number of holders: 236
Number of buys: 112
Number of sells: -109
Average buys %: +0%
Average sells %: -0%

Reported Shares, Excluding Options vs Price

Reported Value, Excluding Options

Total Investors

Significant Owners of Ultra Clean Holdings, Inc. - Common stock, par value $0.001 per share (UCTT)

Filer	Ownership	Change %	Holdings Value	Net Change	Nb Shares	Change %	Reporting Name	Report Period
BlackRock, Inc.	15%		$129,566,035		6,748,231		BlackRock, Inc.	31 Mar 2025
SHAPIRO CAPITAL MANAGEMENT LLC	9%	+48.3%	$78,401,357	+$25,672,742	4,083,404	+48.7%	SHAPIRO CAPITAL MANAGEMENT LLC	31 Mar 2025
FRONTIER CAPITAL MANAGEMENT CO LLC	6.1%	+25.4%	$62,161,459	+$12,999,846	2,754,163	+26.4%	FRONTIER CAPITAL MANAGEMENT CO.,LLC	30 Jun 2025
DIMENSIONAL FUND ADVISORS LP	4.7%	-6%	$48,298,829	-$2,766,224	2,139,957	-5.4%	Dimensional Fund Advisors LP	30 Jun 2025
Swedbank Robur Fonder AB	2.7%		$23,255,366		1,211,217		Swedbank Robur Fonder AB	30 Sep 2024

Institutional Holders of Ultra Clean Holdings, Inc. - Common stock, par value $0.001 per share (UCTT)

Period	Reported Shares, Excl. Options	Value, Excl. Options	Change	Puts Notional Value	Calls Notional Value	Price	Investors
2025 Q3	42,107,281	$1,147,436,404	-$1,263,231	$2,420,004	$2,338,050	$27.25	236
2025 Q2	42,117,008	$950,616,946	+$5,489,078	$2,744,512	$2,281,967	$22.57	227
2025 Q1	41,784,077	$894,202,862	-$446,813	$2,549,931	$1,702,095	$21.41	223
2024 Q4	41,557,030	$1,494,408,787	+$28,692,244	$2,077,910	$2,539,495	$35.95	229
2024 Q3	40,387,413	$1,610,862,711	-$51,943,011	$2,663,331	$834,537	$39.93	246
2024 Q2	41,083,478	$2,013,456,604	+$9,499,461	$2,616,600	$2,758,700	$49	216
2024 Q1	40,921,838	$1,879,492,158	+$49,137,737	$2,214,308	$3,399,560	$45.94	200
2023 Q4	40,310,226	$1,376,559,065	+$17,245,047	$1,556,784	$2,140,578	$34.14	194
2023 Q3	40,090,698	$1,188,834,231	-$4,119,032	$887,133	$2,168,877	$29.67	201
2023 Q2	40,145,647	$1,543,217,621	+$5,625,042	$3,384,480	$5,669,004	$38.46	198
2023 Q1	40,066,391	$1,327,708,790	+$5,121,102	$1,916,648	$4,111,840	$33.16	203
2022 Q4	40,088,707	$1,329,445,550	+$34,219,709	$2,652,000	$1,611,090	$33.15	212
2022 Q3	39,127,233	$1,008,427,447	+$11,235,754	$3,453,000	$2,982,000	$25.75	199
2022 Q2	38,481,463	$1,146,359,578	+$17,219,538	$5,454,000	$3,745,000	$29.77	224
2022 Q1	37,663,904	$1,596,328,671	-$5,198,827	$12,192,000	$6,456,000	$42.39	248
2021 Q4	37,634,227	$2,158,570,250	+$18,407,465	$13,395,000	$16,516,000	$57.36	268
2021 Q3	37,334,468	$1,590,401,358	-$52,499,372	$16,886,000	$8,184,000	$42.6	230
2021 Q2	38,154,193	$2,049,721,085	+$154,253,781	$19,607,000	$8,753,000	$53.72	257
2021 Q1	35,311,728	$2,048,428,315	+$66,461,284	$21,147,000	$15,002,000	$58.04	233
2020 Q4	35,208,064	$1,097,913,370	+$103,821,084	$4,408,000	$7,716,000	$31.15	219
2020 Q3	32,389,576	$695,700,758	-$36,044,481	$8,895,000	$3,432,000	$21.46	196
2020 Q2	33,970,362	$769,190,686	-$11,098,097	$1,759,000	$3,221,000	$22.63	195
2020 Q1	34,815,642	$480,321,250	-$11,582,688	$794,000	$807,000	$13.8	172
2019 Q4	35,197,358	$826,089,056	+$49,801,387	$7,781,000	$5,432,000	$23.47	178
2019 Q3	33,181,123	$485,708,153	-$17,042,819	$3,398,000	$7,389,000	$14.64	156
2019 Q2	34,471,850	$479,715,569	-$13,420,424	$3,694,000	$3,789,000	$13.92	147
2019 Q1	35,838,794	$370,964,295	+$1,155,638	$4,370,000	$2,243,000	$10.35	149
2018 Q4	35,970,155	$304,603,586	+$21,397,164	$5,161,000	$770,000	$8.47	148
2018 Q3	32,597,259	$409,038,339	-$6,070,081	$5,745,000	$2,667,000	$12.55	158
2018 Q2	32,205,945	$534,452,265	-$33,721,849	$6,313,000	$4,096,000	$16.6	174
2018 Q1	33,725,674	$649,023,319	+$131,039,446	$4,729,000	$7,828,000	$19.25	192
2017 Q4	26,609,106	$614,355,324	+$9,890,903	$5,104,000	$7,600,000	$23.09	169
2017 Q3	25,340,334	$775,668,701	-$7,708,438	$11,595,000	$9,736,000	$30.62	157
2017 Q2	25,972,224	$486,893,288	-$19,497,764	$3,963,000	$695,000	$18.75	139
2017 Q1	27,240,087	$459,527,936	+$100,549,666	$545,000	$317,000	$16.87	134
2016 Q4	24,952,080	$242,045,255	+$24,322,913		$0	$9.7	112
2016 Q3	21,728,107	$161,111,660	+$661,836		$131,000	$7.41	87
2016 Q2	21,667,644	$123,285,080	+$2,232,662			$5.69	87
2016 Q1	21,262,734	$113,975,911	-$2,580,344			$5.36	79
2015 Q4	21,816,738	$111,705,340	-$5,368,797		$0	$5.12	84
2015 Q3	22,800,765	$130,887,517	+$795,850		$70,000	$5.74	102
2015 Q2	22,554,566	$140,515,758	-$7,077,910		$66,000	$6.23	86
2015 Q1	23,370,713	$167,099,230	+$6,476,225	$0	$107,000	$7.15	99
2014 Q4	22,511,358	$208,884,801	-$528,984	$197,000	$159,000	$9.28	104
2014 Q3	22,845,702	$204,460,298	+$823,572	$229,000	$102,000	$8.95	113
2014 Q2	22,746,643	$205,868,226	-$13,338,622	$245,000	$558,000	$9.05	115
2014 Q1	23,349,589	$307,040,543	+$52,845,563		$969,000	$13.15	120