Latest Period
Q1 2026
Security Snapshot
Ultra Clean Holdings, Inc. - Common stock, par value $0.001 per share (UCTT) Institutional Ownership
CUSIP: 90385V107
13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026
Institutions Reporting
323
Shares (Excl. Options)
44,915,169
Price
$62.18
Save this security page for your next review
Keep this CUSIP in your watchlists so you can revisit quarter changes from one place. If you create an account from here, we will bring you back after verification.
- Type / Class
- Equity / Common stock, par value $0.001 per share
- Symbol
- UCTT on Nasdaq
- Shares outstanding
- 45,482,214
- Price per share
- $72.01
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 44,915,169
- Total reported value
- $2,791,338,344
- % of total 13F portfolios
- 0.01%
- Share change
- +2,694,646
- Value change
- +$240,412,753
- Number of holders
- 323
- Price from insider filings
- $72.01
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors
Quick Takeaways
- UCTT - Ultra Clean Holdings, Inc. - Common stock, par value $0.001 per share is tracked under CUSIP 90385V107.
- 323 institutions reported positions in Q1 2026.
- 8 significant owners is listed from Schedule 13D/13G reporting.
What Changed
- Holder count moved from 231 to 323 between Q4 2025 and Q1 2026.
- Reported value moved from $1,075,515,589 to $2,791,338,344.
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
Open SEC Evidence
Latest holder context comes from 323 institutions filings for Q1 2026.
Investment Quick Answers
What is CUSIP 90385V107?
CUSIP 90385V107 identifies UCTT - Ultra Clean Holdings, Inc. - Common stock, par value $0.001 per share in SEC 13F datasets.
Where can I see the latest institutional holders?
Review the Q1 2026 holders report and the ownership history table below.
Next ownership checks
Use the next link that matches the question you still need to answer about this security.
- Latest 13F filings when you want to inspect fresh institutional portfolio moves.
- Latest Schedule 13D/13G reports when you need large-owner changes outside the 13F cycle.
- All institutional ownership pages to compare this security with other holder-history pages.
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 90385V107:
Significant Owners of Ultra Clean Holdings, Inc. - Common stock, par value $0.001 per share (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 | |||
| 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 |
| 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 |
| Invesco Ltd. | 3.7% | -48% | $128,077,129 | -$129,664,287 | 1,689,449 | -50% | Invesco Ltd. | 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 31 Mar 2026, 323 institutional investors reported holding 44,915,169 shares of Ultra Clean Holdings, Inc. - Common stock, par value $0.001 per share (UCTT). This represents 99% of the company’s total 45,482,214 outstanding shares.
Top 25 Institutional Shareholders
The largest institutional shareholders of Ultra Clean Holdings, Inc. - Common stock, par value $0.001 per share (UCTT) together control 69% 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% | 6,832,619 | +1.7% | 0.01% | $424,852,251 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 6.2% | 2,802,250 | 0% | 0.01% | $174,243,905 |
| VANGUARD CAPITAL MANAGEMENT LLC | 4.2% | 1,916,501 | 0% | 0% | $119,168,032 |
| STATE STREET CORP | 4% | 1,837,824 | -0.79% | 0% | $114,275,896 |
| FRONTIER CAPITAL MANAGEMENT CO LLC | 3.9% | 1,787,451 | -49% | 1.1% | $111,143,676 |
| Invesco Ltd. | 3.6% | 1,659,949 | -51% | 0.02% | $103,215,629 |
| Boston Partners | 3.2% | 1,468,878 | 0.1% | $91,397,525 | |
| D. E. Shaw & Co., Inc. | 2.6% | 1,183,257 | +24% | 0.06% | $73,574,920 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.5% | 1,140,780 | +4.7% | 0% | $70,946,898 |
| Driehaus Capital Management LLC | 2.3% | 1,062,376 | +134% | 0.49% | $66,058,540 |
| DIMENSIONAL FUND ADVISORS LP | 2.2% | 1,011,778 | -34% | 0.01% | $62,892,225 |
| MORGAN STANLEY | 2% | 911,699 | +1.9% | 0% | $56,689,476 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.8% | 840,456 | +2.4% | 0.01% | $52,259,554 |
| ROYCE & ASSOCIATES LP | 1.7% | 759,497 | -31% | 0.47% | $47,225,523 |
| MILLENNIUM MANAGEMENT LLC | 1.5% | 685,436 | +22% | 0.03% | $42,620,410 |
| OBERWEIS ASSET MANAGEMENT INC/ | 1.4% | 640,476 | +1.9% | 1.2% | $39,824,798 |
| PARADIGM CAPITAL MANAGEMENT INC/NY | 1.3% | 608,200 | 0% | 1.4% | $37,817,876 |
| COOPER CREEK PARTNERS MANAGEMENT LLC | 1.3% | 586,773 | 1.8% | $36,486,000 | |
| TWO SIGMA INVESTMENTS, LP | 1.3% | 581,131 | 0.03% | $36,134,726 | |
| SG Americas Securities, LLC | 1.2% | 565,569 | +349% | 0.04% | $35,167,000 |
| GOLDMAN SACHS GROUP INC | 1.1% | 503,328 | -9.8% | 0% | $31,296,935 |
| FULLER & THALER ASSET MANAGEMENT, INC. | 1% | 475,073 | +3418% | 0.1% | $29,540,050 |
| NORTHERN TRUST CORP | 1% | 458,142 | -1.1% | 0% | $28,487,270 |
| BANK OF AMERICA CORP /DE/ | 1% | 454,020 | +502% | 0% | $28,230,965 |
| Bank of New York Mellon Corp | 0.98% | 443,653 | -30% | 0.01% | $27,586,318 |
Institutional Holders of Ultra Clean Holdings, Inc. - Common stock, par value $0.001 per share (UCTT) across Reporting Periods
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 44,915,169 | $2,791,338,344 | +$240,412,753 | $62.18 | 323 |
| 2025 Q4 | 42,453,157 | $1,075,515,589 | +$11,403,000 | $25.33 | 231 |
| 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 |