Ultra Clean Ownership | Who Owns Ultra Clean?
Ultra Clean Ownership Summary
Ultra Clean is owned by 91.67% institutional investors, 2.46% insiders, and 5.87% retail investors. Blackrock is the largest institutional shareholder, holding 15.53% of UCTT shares. iShares Core S&P Small-Cap ETF is the top mutual fund, with 5.92% of its assets in Ultra Clean shares.
UCTT Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Ultra Clean | 91.67% | 2.46% | 5.87% |
| Sector | Technology Stocks | 50.72% | 12.57% | 36.71% |
| Idea | Semiconductor Stocks List | 114.42% | 7.19% | -21.61% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Blackrock | 6.93M | 15.53% | $339.38M |
| Blackrock funding, inc. /de | 6.71M | 14.84% | $182.81M |
| Vanguard group | 4.70M | 10.39% | $128.01M |
| Shapiro capital management | 3.69M | 8.16% | $100.55M |
| Frontier capital management | 3.03M | 6.71% | $82.66M |
| Invesco | 2.08M | 4.61% | $56.80M |
| Dimensional fund advisors lp | 1.94M | 4.30% | $52.93M |
| State street | 1.76M | 3.90% | $48.08M |
| Geode capital management | 1.12M | 2.47% | $30.47M |
| Royce & associates lp | 1.11M | 2.45% | $30.18M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Divisar capital management | 1.05M | 7.80% | $28.68M |
| Shapiro capital management | 3.69M | 4.36% | $100.55M |
| Goodman financial | 538.01K | 2.85% | $14.66M |
| Optimize financial | 56.53K | 0.80% | $1.54M |
| Paradigm capital management inc/ny | 658.20K | 0.78% | $17.94M |
| Frontier capital management | 3.03M | 0.74% | $82.66M |
| Bridge city capital | 93.94K | 0.68% | $2.56M |
| Oberweis asset management inc/ | 613.30K | 0.64% | $16.71M |
| Teton advisors | 43.50K | 0.60% | $981.79K |
| Grace & white inc /ny | 114.45K | 0.55% | $3.12M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Goldman sachs group | 559.03K | 0.00% | 356.93K |
| Driehaus capital management | 321.97K | 0.06% | 321.97K |
| Jpmorgan chase | 589.05K | 0.00% | 279.95K |
| Frontier capital management | 3.03M | 0.74% | 279.11K |
| Liontrust investment partners llp | 349.46K | 0.18% | 256.46K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Swedbank ab | - | - | -1.21M |
| Boston partners | - | - | -1.02M |
| Vaughan nelson investment management | - | - | -860.80K |
| Hood river capital management | - | - | -458.53K |
| Shapiro capital management | 3.69M | 4.36% | -454.85K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Driehaus capital management | 321.97K | 0.06% | 321.97K | $8.77M |
| Wedge capital management l l p/nc | 116.49K | 0.05% | 116.49K | $3.17M |
| Canada pension plan investment board | 107.30K | 0.00% | 107.30K | $2.92M |
| Healthcare of ontario pension plan trust fund | 60.00K | 0.00% | 60.00K | $1.64M |
| Optimize financial | 56.53K | 0.80% | 56.53K | $1.54M |
Sold Out
| Holder | Change |
|---|---|
| Tfc financial management | -1.00 |
| Claris advisors, llc / mo / | -1.00 |
| Tfo-tdc | -1.00 |
| Sjs investment consulting | -1.00 |
| Bay harbor wealth management | -1.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Sep 30, 2025 | 236 | 5.36% | 41,432,867 | 3.87% | 91 | 1.18% | 115 | -10.16% | 78 | 27.87% |
| Jun 30, 2025 | 229 | -0.43% | 42,054,740 | 0.73% | 93 | 1.09% | 129 | 12.17% | 65 | -15.58% |
| Mar 31, 2025 | 228 | -3.80% | 41,734,433 | 0.47% | 92 | 1.09% | 114 | -12.98% | 77 | 13.24% |
| Dec 31, 2024 | 179 | -28.69% | 29,808,118 | -26.21% | 66 | 0.82% | 99 | -33.11% | 49 | -22.22% |
| Sep 30, 2024 | 248 | 11.71% | 40,379,609 | -1.72% | 89 | 1.07% | 146 | 39.05% | 63 | -13.70% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 2.69M | 5.92% | - |
| Invesco Small Cap Value A | 1.79M | 3.94% | 170.51K |
| Vanguard US Total Market Shares ETF | 1.38M | 3.05% | 1.16K |
| Vanguard Total Stock Mkt Idx Inv | 1.34M | 2.96% | -29.73K |
| iShares Russell 2000 ETF | 1.08M | 2.38% | - |
| Vanguard Information Technology ETF | 1.08M | 2.37% | 10.97K |
| Shapiro Capital Mgt Sm-Cap Val | 867.80K | 1.92% | 71.89K |
| Swedbank Robur Technology A | 845.07K | 1.88% | -504.93K |
| Frontier Small Cap Growth | 615.11K | 1.37% | 71.01K |
| Oberweis Micro-Cap Growth | 613.30K | 1.35% | - |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Dec 03, 2025 | IBNALE DAVID T | - | Sell | $625.75K |
| Jun 06, 2025 | Cho Paul Yoonku | General Counsel and Secretary | Sell | $86.01K |
| Jun 04, 2025 | McKibben Jeffrey L. | Chief Information Officer | Sell | $131.36K |
| May 06, 2025 | Palfrey Jamie J. | SVP, Global Human Resources | Sell | $182.37K |
| Mar 07, 2025 | Bentinck Bill | President, Services Business | Buy | $75.51K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2025 Q4 | - | 1 |
| 2025 Q3 | - | - |
| 2025 Q2 | - | 3 |
| 2025 Q1 | 5 | - |
| 2024 Q4 | 5 | 1 |
UCTT Ownership FAQ
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