Security Snapshot

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

CUSIP: 90385V107

13F Institutional Holders and Ownership History from Q1 2014 to Q2 2026

Latest Period

Q2 2026

Institutions Reporting

433

Shares (Excl. Options)

45,279,666

Price

$142.59

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Latest holder snapshot 5 signals
Portfolio coverage rank
0.01%
Share change
+366,413
Value change
+$161,360,703
Number of holders
433
Issuer context Names, identifiers, and filing context for this profile. 3 identity fields
Shares outstanding
44,935,557
SEC-reported price per share
$102.11
Insider filing price
$102.11
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors

Key facts

  • UCTT - Ultra Clean Holdings, Inc. - Common Stock is tracked under CUSIP 90385V107.
  • 433 institutions reported positions in Q2 2026.
  • 10 significant owners is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 327 to 433 between Q1 2026 and Q2 2026.
  • SEC-reported value moved from $2,794,079,520 to $6,444,772,399.

Research use

  • 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.

Evidence

Source: SEC Form 13F

Latest holder context comes from 433 institutions filings for Q2 2026.

Open SEC evidence

Security key

90385V107

Latest holder period

Q2 2026

13F holders

433

13D/G owners

10

CIK / CUSIP context first

13D/G owners

Significant owners

Large-stake holder rows connected to Schedule 13D/G evidence.

Rows
10
Security
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
Invesco Ltd. 7% +82% $309,044,294 +$143,055,930 3,145,489 +86% Invesco Ltd. 30 Jun 2026
VANGUARD PORTFOLIO MANAGEMENT LLC 6.2% $175,467,110 2,821,922 Vanguard Portfolio Management 31 Mar 2026
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
Capital World Investors 5.8% $253,497,969 2,580,132 Capital World Investors 30 Jun 2026
VANGUARD CAPITAL MANAGEMENT LLC 5% $220,907,658 2,248,424 Vanguard Capital Management 30 Jun 2026
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
FRONTIER CAPITAL MANAGEMENT CO LLC 3.9% -48% $135,506,660 -$130,574,234 1,787,451 -49% FRONTIER CAPITAL MANAGEMENT CO.,LLC 31 Mar 2026
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 30 Jun 2026, 433 institutional investors reported holding 45,279,666 shares of Ultra Clean Holdings, Inc. - Common Stock (UCTT). This represents 101% of the company’s total 44,935,557 outstanding shares.

13F concentration

Top 25 institutional shareholders

Largest 13F positions for this security by reported shares and value.

Top holder share
72%
Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
BlackRock, Inc. 15% 6,919,992 +1.3% 0.01% $986,721,656
Invesco Ltd. 7% 3,124,839 +88% 0.04% $445,570,793
VANGUARD PORTFOLIO MANAGEMENT LLC 6.1% 2,757,438 -1.6% 0.02% $393,183,084
Capital World Investors 5.7% 2,580,132 0.04% $367,901,022
VANGUARD CAPITAL MANAGEMENT LLC 4.2% 1,909,026 -0.39% 0.01% $272,208,017
STATE STREET CORP 4% 1,802,261 -1.9% 0.01% $256,984,396
Boston Partners 3% 1,360,211 -7.4% 0.17% $191,894,957
GEODE CAPITAL MANAGEMENT, LLC 2.9% 1,317,631 +16% 0.01% $187,910,401
Driehaus Capital Management LLC 2.9% 1,309,202 +23% 1.1% $186,679,113
DIMENSIONAL FUND ADVISORS LP 2.1% 949,354 -6.2% 0.02% $135,329,917
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 1.6% 739,967 -12% 0.01% $105,511,895
FRONTIER CAPITAL MANAGEMENT CO LLC 1.5% 667,532 -63% 0.89% $95,183,387
ROYCE & ASSOCIATES LP 1.5% 666,496 -12% 0.77% $95,035,665
OBERWEIS ASSET MANAGEMENT INC/ 1.4% 647,276 +1.1% 1.9% $92,295,085
NOMURA ASSET MANAGEMENT INTERNATIONAL INC. 1.4% 624,028 +51% 0.13% $88,980,000
D. E. Shaw & Co., Inc. 1.4% 619,802 -48% 0.05% $88,377,567
TWO SIGMA INVESTMENTS, LP 1.4% 609,851 +4.9% 0.07% $86,958,654
PARADIGM CAPITAL MANAGEMENT INC/NY 1.4% 608,200 0% 2.4% $86,723,238
MORGAN STANLEY 1.2% 549,239 -40% 0% $78,316,199
FULLER & THALER ASSET MANAGEMENT, INC. 1.1% 492,608 +3.7% 0.19% $70,241,009
NORTHERN TRUST CORP 1.1% 491,504 +7.3% 0.01% $70,083,556
BANK OF AMERICA CORP /DE/ 0.95% 425,191 -6.3% 0% $60,627,984
PINNACLE ASSOCIATES LTD 0.89% 399,934 -9.4% 0.62% $57,026,589
MILLENNIUM MANAGEMENT LLC 0.86% 388,205 -43% 0.04% $55,354,151
BNP PARIBAS FINANCIAL MARKETS 0.83% 373,497 0% 0.03% $53,256,937

Quarter history

Institutional holders across reporting periods

Holder count, reported shares/value, and median price by quarter.

Periods
50
Latest
Q2 2026
Rows shown
1-25 of 50
Period 13F Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q2 45,279,666 $6,444,772,399 +$161,360,703 $142.59 433
2026 Q1 44,957,952 $2,794,079,520 +$243,119,730 $62.18 327
2025 Q4 42,453,707 $1,075,529,520 +$11,403,000 $25.33 233
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
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