Ultra Clean
Builds semiconductor-equipment subsystems and provides ultra-high-purity cleaning, coating, and contamination analysis.
$71.00
After-hours close+1.52 (+2.19%)
At close$69.48(−7.05%)
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Breakdown13F · Form 4
Institutions 120.76%Insiders 2.04%
A 13F quarter can total more than the shares outstanding — sub-advisers file the same block twice, and a filer's own share count can be a quarter stale. No split is drawn from it.
Shares outstanding 44.83M · Float 44.28M · 98.8% free float
Institutions13F, as of Jun 30, 2026
460 holders · 54.13M shares · 147 new positions · 247 increased · 157 reduced · 39 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| BlackRock, Inc. | 6.92M | 15.44% | +87.4K | Aug 7, 2026 |
| Invesco Ltd. | 3.12M | 6.97% | +1.46M | Aug 14, 2026 |
| Vanguard Portfolio Management LLC | 2.76M | 6.15% | −44.8K | Aug 13, 2026 |
| Capital World Investors | 2.58M | 5.76% | +2.58Mnew | Aug 12, 2026 |
| Vanguard Capital Management LLC | 1.91M | 4.26% | −7.5K | Aug 13, 2026 |
| State Street Corp | 1.80M | 4.02% | −35.6K | Aug 7, 2026 |
| Boston Partners | 1.36M | 3.03% | −108.7K | Aug 4, 2026 |
| Geode Capital Management, LLC | 1.32M | 2.94% | +176.9K | Aug 12, 2026 |
Beneficial owners13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| BlackRock, Inc. | 15.00% | 6.75M | 13G | Apr 30, 2025 ↗ |
| Invesco Ltd. | 7.00% | 3.15M | 13G | Aug 13, 2026 ↗ |
| Vanguard Portfolio Management | 6.20% | 2.82M | 13G | Apr 29, 2026 ↗ |
| Vanguard Capital Management | 5.01% | 2.25M | 13G | Jul 31, 2026 ↗ |
InsidersForm 4
| Insider | Role | Shares | % outstanding | Filed |
|---|---|---|---|---|
| Jinsong Xiao | officer: Chief Executive Officer | 149.1K | 0.33% | May 27, 2026 |
| Christopher S. Cook | officer: President, Products Division | 114.7K | 0.26% | May 27, 2026 |
| Clarence L. Granger | director | 85.4K | 0.19% | May 27, 2026 |
| Harjinder Bajwa | officer: Chief Operating Officer | 76.7K | 0.17% | Jul 2, 2025 |
| Bill Bentinck | officer: President, Services Business | 71.5K | 0.16% | May 2, 2025 |
| Ernest E. Maddock | director | 58.8K | 0.13% | May 27, 2026 |
| Sheri Savage | officer: CFO | 50.7K | 0.11% | Jun 9, 2026 |
| Thomas T. Edman | director | 48.6K | 0.11% | May 27, 2026 |
| David T. Ibnale | director | 47.8K | 0.11% | May 27, 2026 |
| Emily M. Liggett | director | 38.2K | 0.09% | May 27, 2026 |
7 ten-percent owners hold 8.05M shares by Form 4, outside the officers-and-directors figure above · 27 people have not refiled in the last 18 months (2.42M shares), so they are not in the figure above
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Jul 2, 2026 | Brian E. Hardingofficer: Chief Accounting Officer | Sale · 3 lots | 3,837 | $128.75 | 33,581 |
| Jun 4, 2026 | Sheri Savageofficer: CFO | Sale · 46 lots | 30,187 | $89.46 | 50,710 |
| Jun 4, 2026 | Brian E. Hardingofficer: Chief Accounting Officer | Sale · 22 lots | 16,988 | $89.47 | 28,055 |
| Jun 2, 2026 | Paul Yoonku Choofficer: General Counsel and Secretary | Sale | 944 | $89.37 | 22,941 |
| May 27, 2026 | Emily M. Liggettdirector | Sale | 8,198 | $92.18 | 38,152 |
| May 14, 2026 | Jeffrey L. McKibbenofficer: Chief Information Officer | Sale | 4,205 | $87.00 | 11,349 |
| May 8, 2026 | Jeffrey L. McKibbenofficer: Chief Information Officer | Sale | 2,500 | $86.48 | 15,554 |
| May 8, 2026 | Paul Yoonku Choofficer: General Counsel and Secretary | Sale | 2,000 | $86.89 | 15,844 |
| May 5, 2026 | Brian E. Hardingofficer: Chief Accounting Officer | Sale | 4,000 | $80.00 | 36,631 |
| May 5, 2026 | Jamie J. Palfreyofficer: SVP, Global Human Resources | Sale | 8,691 | $79.73 | 16,446 |
CongressHouse and Senate disclosures
Not reported.