Security Snapshot

Ultra Clean Holdings, Inc. - Common Stock (UCTT) Institutional Ownership

CUSIP: 90385V107

13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026

Latest Period

Q4 2025

Institutions Reporting

230

Shares (Excl. Options)

42,452,555

Price

$25.33

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Type / Class
Equity / Common Stock
Symbol
UCTT on Nasdaq
Shares outstanding
45,405,420
Price per share
$62.18
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
42,452,555
Total reported value
$1,075,500,340
% of total 13F portfolios
0%
Share change
+481,368
Value change
+$11,403,000
Number of holders
230
Price from insider filings
$62.18
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Quick Takeaways

  • UCTT - Ultra Clean Holdings, Inc. - Common Stock is tracked under CUSIP 90385V107.
  • 230 institutions reported positions in Q4 2025.
  • 7 significant owners is listed from Schedule 13D/13G reporting.

What Changed

  • Holder count moved from 230 to 32 between Q4 2025 and Q1 2026.
  • Reported value moved from $1,075,500,340 to $86,684,294.

Why This Matters

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Source Evidence

Source: SEC Form 13F

Latest holder context comes from 230 institutions filings for Q4 2025.

Open SEC Evidence

Investment Quick Answers

What is CUSIP 90385V107?
CUSIP 90385V107 identifies UCTT - Ultra Clean Holdings, Inc. - Common Stock in SEC 13F datasets.

Where can I see the latest institutional holders?
Review the Q4 2025 holders report and the ownership history table below.

Significant Owners of Ultra Clean Holdings, Inc. - Common Stock (UCTT) based on Schedule 13D/G filings

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
FRONTIER CAPITAL MANAGEMENT CO LLC 7.7% $131,934,848 3,509,839 FRONTIER CAPITAL MANAGEMENT CO.,LLC 31 Dec 2025
Invesco Ltd. 7.5% $127,799,760 3,399,834 Invesco Ltd. 31 Dec 2025
FRONTIER CAPITAL MANAGEMENT CO LLC 6.1% +25% $62,161,459 +$12,999,846 2,754,163 +26% 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
SHAPIRO CAPITAL MANAGEMENT LLC 2.8% -69% $48,001,190 -$105,493,967 1,276,967 -69% SHAPIRO CAPITAL MANAGEMENT LLC 31 Dec 2025
Swedbank Robur Fonder AB 2.7% $23,255,366 1,211,217 Swedbank Robur Fonder AB 30 Sep 2024

As of 31 Dec 2025, 230 institutional investors reported holding 42,452,555 shares of Ultra Clean Holdings, Inc. - Common Stock (UCTT). This represents 93% of the company’s total 45,405,420 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of Ultra Clean Holdings, Inc. - Common Stock (UCTT) together control 78% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
BlackRock, Inc. 15% 6,719,452 +0.16% 0% $170,203,720
VANGUARD GROUP INC 11% 4,990,724 +6.2% 0% $126,415,039
FRONTIER CAPITAL MANAGEMENT CO LLC 7.7% 3,509,839 +16% 0.94% $88,904,223
Invesco Ltd. 7.5% 3,399,834 +63% 0.01% $86,117,797
STATE STREET CORP 4.1% 1,852,482 +5% 0% $46,923,369
DIMENSIONAL FUND ADVISORS LP 3.4% 1,524,857 -22% 0.01% $38,625,473
SHAPIRO CAPITAL MANAGEMENT LLC 2.8% 1,278,492 -65% 1.7% $32,384,202
ROYCE & ASSOCIATES LP 2.4% 1,098,693 -0.79% 0.28% $27,829,894
GEODE CAPITAL MANAGEMENT, LLC 2.4% 1,089,429 -2.6% 0% $27,599,978
D. E. Shaw & Co., Inc. 2.1% 952,154 +17% 0.02% $24,118,061
Divisar Capital Management LLC 2.1% 949,328 -9.8% 6.8% $24,046,478
MORGAN STANLEY 2% 894,422 +31% 0% $22,655,741
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 1.8% 821,088 +5.7% 0% $20,798,159
Bank of New York Mellon Corp 1.4% 634,972 +0.55% 0% $16,083,831
OBERWEIS ASSET MANAGEMENT INC/ 1.4% 628,500 +2.5% 0.58% $15,919,905
PARADIGM CAPITAL MANAGEMENT INC/NY 1.3% 608,200 -7.6% 0.65% $15,405,706
MILLENNIUM MANAGEMENT LLC 1.2% 559,955 +945% 0.01% $14,183,660
GOLDMAN SACHS GROUP INC 1.2% 558,176 -0.15% 0% $14,138,598
Goodman Financial Corp 1.2% 558,019 +3.7% 2.7% $14,134,621
JPMORGAN CHASE & CO 1.1% 512,490 -13% 0% $12,981,371
NORTHERN TRUST CORP 1% 463,260 -4.4% 0% $11,734,377
PINNACLE ASSOCIATES LTD 1% 462,126 +17% 0.15% $11,705,652
Driehaus Capital Management LLC 1% 453,630 +41% 0.08% $11,490,448
BNP PARIBAS FINANCIAL MARKETS 0.94% 426,561 0% 0.01% $10,804,790
First Eagle Investment Management, LLC 0.9% 410,569 +2% 0.02% $10,399,713

Institutional Holders of Ultra Clean Holdings, Inc. - Common Stock (UCTT) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q1 1,392,540 $86,684,294 +$27,161,314 $62.18 32
2025 Q4 42,452,555 $1,075,500,340 +$11,403,000 $25.33 230
2025 Q3 42,106,961 $1,147,426,648 -$594,269 $27.25 237
2025 Q2 42,117,008 $950,616,946 +$5,489,078 $22.57 227
2025 Q1 41,784,077 $894,202,862 -$446,813 $21.41 223
2024 Q4 41,557,030 $1,494,408,787 +$28,692,244 $35.95 229
2024 Q3 40,387,413 $1,610,862,711 -$51,943,011 $39.93 246
2024 Q2 41,083,478 $2,013,456,604 +$9,499,461 $49.00 216
2024 Q1 40,921,838 $1,879,492,158 +$49,137,737 $45.94 200
2023 Q4 40,310,226 $1,376,559,065 +$17,245,047 $34.14 194
2023 Q3 40,090,698 $1,188,834,231 -$4,119,032 $29.67 201
2023 Q2 40,145,647 $1,543,217,621 +$5,625,042 $38.46 198
2023 Q1 40,066,391 $1,327,708,790 +$5,121,102 $33.16 203
2022 Q4 40,088,707 $1,329,445,550 +$34,219,709 $33.15 212
2022 Q3 39,127,233 $1,008,427,447 +$11,235,754 $25.75 199
2022 Q2 38,481,463 $1,146,359,578 +$17,219,538 $29.77 224
2022 Q1 37,663,904 $1,596,328,671 -$5,198,827 $42.39 248
2021 Q4 37,634,227 $2,158,570,250 +$18,407,465 $57.36 268
2021 Q3 37,334,468 $1,590,401,358 -$52,499,372 $42.60 230
2021 Q2 38,154,193 $2,049,721,085 +$154,253,781 $53.72 257
2021 Q1 35,311,728 $2,048,428,315 +$66,461,284 $58.04 233
2020 Q4 35,208,064 $1,097,913,370 +$103,821,084 $31.15 219
2020 Q3 32,389,576 $695,700,758 -$36,044,481 $21.46 196
2020 Q2 33,970,362 $769,190,686 -$11,098,097 $22.63 195
2020 Q1 34,815,642 $480,321,250 -$11,582,688 $13.80 172
2019 Q4 35,197,358 $826,089,056 +$49,801,387 $23.47 178
2019 Q3 33,181,123 $485,708,153 -$17,042,819 $14.64 156
2019 Q2 34,471,850 $479,715,569 -$13,420,424 $13.92 147
2019 Q1 35,838,794 $370,964,295 +$1,155,638 $10.35 149
2018 Q4 35,970,155 $304,603,586 +$21,397,164 $8.47 148
2018 Q3 32,597,259 $409,038,339 -$6,070,081 $12.55 158
2018 Q2 32,205,945 $534,452,265 -$33,721,849 $16.60 174
2018 Q1 33,725,674 $649,023,319 +$131,039,446 $19.25 192
2017 Q4 26,609,106 $614,355,324 +$9,890,903 $23.09 169
2017 Q3 25,340,334 $775,668,701 -$7,708,438 $30.62 157
2017 Q2 25,972,224 $486,893,288 -$19,497,764 $18.75 139
2017 Q1 27,240,087 $459,527,936 +$100,549,666 $16.87 134
2016 Q4 24,952,080 $242,045,255 +$24,322,913 $9.70 112
2016 Q3 21,728,107 $161,111,660 +$661,836 $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 $5.12 84
2015 Q3 22,800,765 $130,887,517 +$795,850 $5.74 102
2015 Q2 22,554,566 $140,515,758 -$7,077,910 $6.23 86
2015 Q1 23,370,713 $167,099,230 +$6,476,225 $7.15 99
2014 Q4 22,511,358 $208,884,801 -$528,984 $9.28 104
2014 Q3 22,845,702 $204,460,298 +$823,572 $8.95 113
2014 Q2 22,746,643 $205,868,226 -$13,338,622 $9.05 115
2014 Q1 23,349,589 $307,040,543 +$52,845,563 $13.15 120