BLACKROCK
Rank #1
15.3%
- Shares
- 6.83M
- Change
- +113.17K
- Change %
- +1.68%
- Filing
- Mar 31, 2026
Increased
Methodology published · Market data, model notes, and corrections process are public · Data policy · Corrections policy
NASDAQ · TECHNOLOGY · Holders
Ultra Clean Holdings Inc (UCTT) Institutional Ownership & Insider Trading History
Top UCTT institutional shareholders, filing changes, and Form 4 insider activity with filters for buys, sales, option exercises, gifts, and tax withholding.
Section freshness
Price Jun 23, 4:00 PM EDT · Statements Mar 30, 8:00 PM EDT
Source timingDetailsHide
Data freshness
Prices update fastest. Fundamentals, analyst data, and news update on their own schedules, so check these timestamps before comparing signals.
Price time means the latest available trade or regular-market close. Other times show when that section was checked or published.
PriceLive
Last traded •
Source: Market data provider
Fundamentalsevery 1 hr
Provider checked •
Source: Market data provider
Analystevery 1 hr
Provider checked •
Source: Market data provider
Newsevery 4 hr
Latest item •
Source: Market data provider
Ownership read
UCTT insider sentiment: Net selling.
BLACKROCK is the largest institutional holder. 83 sales and 0 purchases appear in the recent Form 4 filings. Use the filters below to separate real buying and selling from option exercises, gifts, awards, and tax withholding.
Insider flow
UCTT
Purchases—
Sales4.82M
Directional bars ignore awards, gifts, conversions, and tax withholding rows.
Top holder
6.83M
BLACKROCK
Insider stance
Net selling
$417.50M sold / — bought
Latest filing
Jun 4, 2026
Most recent holder or insider filing date
Filings shown
240
120 holder / 120 insider
- Holder rows
- 120
- Market data source
- Latest filing
- Jun 4, 2026
- Most recent holder or insider filing date
- Increased / initiated
- 88
- 29 decreased
- Insider rows
- 120
- Market data source
Top 120 institutional holders
Ultra Clean Holdings Inc (UCTT) institutional ownership
Ranked by reported share count, with position changes and latest filing dates where ownership data supplies them.
VANGUARD GROUP INC
Rank #2
11.1%
- Shares
- 4.99M
- Change
- +293.05K
- Change %
- +6.24%
- Filing
- Dec 31, 2025
Increased
VANGUARD PORTFOLIO MANAGEMENT LLC
Rank #3
6.26%
- Shares
- 2.80M
- Change
- +2.80M
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
VANGUARD CAPITAL MANAGEMENT LLC
Rank #4
4.28%
- Shares
- 1.92M
- Change
- +1.92M
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
STATE STREET CORP
Rank #5
4.10%
- Shares
- 1.84M
- Change
- -14.66K
- Change %
- -79.00%
- Filing
- Mar 31, 2026
Decreased
FRONTIER CAPITAL MANAGEMENT CO LLC
Rank #6
3.99%
- Shares
- 1.79M
- Change
- -1.72M
- Change %
- -49.07%
- Filing
- Mar 31, 2026
Decreased
INVESCO LTD.
Rank #7
3.71%
- Shares
- 1.66M
- Change
- -1.74M
- Change %
- -51.18%
- Filing
- Mar 31, 2026
Decreased
BOSTON PARTNERS
Rank #8
3.28%
- Shares
- 1.47M
- Change
- +1.47M
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
D. E. SHAW & CO.
Rank #9
2.64%
- Shares
- 1.18M
- Change
- +231.10K
- Change %
- +24.27%
- Filing
- Mar 31, 2026
Increased
GEODE CAPITAL MANAGEMENT
Rank #10
2.55%
- Shares
- 1.14M
- Change
- +51.35K
- Change %
- +4.71%
- Filing
- Mar 31, 2026
Increased
DRIEHAUS CAPITAL MANAGEMENT LLC
Rank #11
2.37%
- Shares
- 1.06M
- Change
- +608.75K
- Change %
- +134.19%
- Filing
- Mar 31, 2026
Increased
DIMENSIONAL FUND ADVISORS LP
Rank #12
2.26%
- Shares
- 1.01M
- Change
- -513.08K
- Change %
- -33.65%
- Filing
- Mar 31, 2026
Decreased
MORGAN STANLEY
Rank #13
2.04%
- Shares
- 911.70K
- Change
- +17.28K
- Change %
- +1.93%
- Filing
- Mar 31, 2026
Increased
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
Rank #14
1.88%
- Shares
- 840.46K
- Change
- +19.37K
- Change %
- +2.36%
- Filing
- Mar 31, 2026
Increased
ROYCE & ASSOCIATES LP
Rank #15
1.70%
- Shares
- 759.50K
- Change
- -339.20K
- Change %
- -30.87%
- Filing
- Mar 31, 2026
Decreased
MILLENNIUM MANAGEMENT LLC
Rank #16
1.53%
- Shares
- 685.44K
- Change
- +125.48K
- Change %
- +22.41%
- Filing
- Mar 31, 2026
Increased
OBERWEIS ASSET MANAGEMENT INC
Rank #17
1.43%
- Shares
- 640.48K
- Change
- +11.98K
- Change %
- +1.91%
- Filing
- Mar 31, 2026
Increased
PARADIGM CAPITAL MANAGEMENT INC
Rank #18
1.36%
- Shares
- 608.20K
- Change
- —
- Change %
- 0.00%
- Filing
- Mar 31, 2026
Unchanged
COOPER CREEK PARTNERS MANAGEMENT LLC
Rank #19
1.31%
- Shares
- 586.77K
- Change
- +586.77K
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
TWO SIGMA INVESTMENTS
Rank #20
1.30%
- Shares
- 581.13K
- Change
- +581.13K
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
| # | Institution | % held | Shares | Change | Change % | Filing date |
|---|---|---|---|---|---|---|
| 1 | 15.3% | 6.83M | +113.17K Increased | +1.68% | Mar 31, 2026 | |
| 2 | 11.1% | 4.99M | +293.05K Increased | +6.24% | Dec 31, 2025 | |
| 3 | 6.26% | 2.80M | +2.80M Initiated | — | Mar 31, 2026 | |
| 4 | 4.28% | 1.92M | +1.92M Initiated | — | Mar 31, 2026 | |
| 5 | 4.10% | 1.84M | -14.66K Decreased | -79.00% | Mar 31, 2026 | |
| 6 | FRONTIER CAPITAL MANAGEMENT CO LLC | 3.99% | 1.79M | -1.72M Decreased | -49.07% | Mar 31, 2026 |
| 7 | 3.71% | 1.66M | -1.74M Decreased | -51.18% | Mar 31, 2026 | |
| 8 | BOSTON PARTNERS | 3.28% | 1.47M | +1.47M Initiated | — | Mar 31, 2026 |
| 9 | 2.64% | 1.18M | +231.10K Increased | +24.27% | Mar 31, 2026 | |
| 10 | 2.55% | 1.14M | +51.35K Increased | +4.71% | Mar 31, 2026 | |
| 11 | DRIEHAUS CAPITAL MANAGEMENT LLC | 2.37% | 1.06M | +608.75K Increased | +134.19% | Mar 31, 2026 |
| 12 | 2.26% | 1.01M | -513.08K Decreased | -33.65% | Mar 31, 2026 | |
| 13 | 2.04% | 911.70K | +17.28K Increased | +1.93% | Mar 31, 2026 | |
| 14 | 1.88% | 840.46K | +19.37K Increased | +2.36% | Mar 31, 2026 | |
| 15 | ROYCE & ASSOCIATES LP | 1.70% | 759.50K | -339.20K Decreased | -30.87% | Mar 31, 2026 |
| 16 | MILLENNIUM MANAGEMENT LLC | 1.53% | 685.44K | +125.48K Increased | +22.41% | Mar 31, 2026 |
| 17 | OBERWEIS ASSET MANAGEMENT INC | 1.43% | 640.48K | +11.98K Increased | +1.91% | Mar 31, 2026 |
| 18 | PARADIGM CAPITAL MANAGEMENT INC | 1.36% | 608.20K | — Unchanged | 0.00% | Mar 31, 2026 |
| 19 | COOPER CREEK PARTNERS MANAGEMENT LLC | 1.31% | 586.77K | +586.77K Initiated | — | Mar 31, 2026 |
| 20 | TWO SIGMA INVESTMENTS | 1.30% | 581.13K | +581.13K Initiated | — | Mar 31, 2026 |
Showing 20 of 120 matching institutional rows.Load more institutions
Recent insider transactions
Ultra Clean Holdings Inc (UCTT) Form 4 filings
Action codes are translated so open-market buys and sales are separate from awards, gifts, conversions, and tax withholding.
Savage Sheri
- Shares
- 66.48K
- % company
- 0.15%
- Price
- $91.75
- Value
- $6,099,173
Filed Jun 4, 2026
Savage Sheri
- Shares
- 66.74K
- % company
- 0.15%
- Price
- $90.99
- Value
- $6,072,309
Filed Jun 4, 2026
Savage Sheri
- Shares
- 68.44K
- % company
- 0.15%
- Price
- $89.95
- Value
- $6,156,358
Filed Jun 4, 2026
Savage Sheri
- Shares
- 69.29K
- % company
- 0.15%
- Price
- $89.10
- Value
- $6,174,095
Filed Jun 4, 2026
Savage Sheri
- Shares
- 70.72K
- % company
- 0.16%
- Price
- $88.16
- Value
- $6,234,940
Filed Jun 4, 2026
Savage Sheri
- Shares
- 72.15K
- % company
- 0.16%
- Price
- $87.07
- Value
- $6,282,275
Filed Jun 4, 2026
Savage Sheri
- Shares
- 72.64K
- % company
- 0.16%
- Price
- $91.68
- Value
- $6,659,635
Filed Jun 4, 2026
Savage Sheri
- Shares
- 72.81K
- % company
- 0.16%
- Price
- $90.86
- Value
- $6,615,607
Filed Jun 4, 2026
Savage Sheri
- Shares
- 73.57K
- % company
- 0.16%
- Price
- $89.73
- Value
- $6,601,795
Filed Jun 4, 2026
Savage Sheri
- Shares
- 74.02K
- % company
- 0.17%
- Price
- $88.75
- Value
- $6,569,275
Filed Jun 4, 2026
Savage Sheri
- Shares
- 74.93K
- % company
- 0.17%
- Price
- $87.72
- Value
- $6,572,596
Filed Jun 4, 2026
Savage Sheri
- Shares
- 75.32K
- % company
- 0.17%
- Price
- $85.54
- Value
- $6,442,787
Filed Jun 4, 2026
Savage Sheri
- Shares
- 75.42K
- % company
- 0.17%
- Price
- $91.63
- Value
- $6,910,276
Filed Jun 4, 2026
Savage Sheri
- Shares
- 75.51K
- % company
- 0.17%
- Price
- $90.76
- Value
- $6,852,925
Filed Jun 4, 2026
Savage Sheri
- Shares
- 75.77K
- % company
- 0.17%
- Price
- $89.59
- Value
- $6,787,876
Filed Jun 4, 2026
Savage Sheri
- Shares
- 75.92K
- % company
- 0.17%
- Price
- $88.80
- Value
- $6,741,962
Filed Jun 4, 2026
Savage Sheri
- Shares
- 76.24K
- % company
- 0.17%
- Price
- $87.52
- Value
- $6,672,875
Filed Jun 4, 2026
Savage Sheri
- Shares
- 76.36K
- % company
- 0.17%
- Price
- $86.04
- Value
- $6,570,359
Filed Jun 4, 2026
Savage Sheri
- Shares
- 76.40K
- % company
- 0.17%
- Price
- $91.78
- Value
- $7,012,359
Filed Jun 4, 2026
Savage Sheri
- Shares
- 76.42K
- % company
- 0.17%
- Price
- $90.98
- Value
- $6,953,056
Filed Jun 4, 2026
Savage Sheri
- Shares
- 76.72K
- % company
- 0.17%
- Price
- $89.91
- Value
- $6,898,345
Filed Jun 4, 2026
Savage Sheri
- Shares
- 76.88K
- % company
- 0.17%
- Price
- $88.85
- Value
- $6,830,344
Filed Jun 4, 2026
Savage Sheri
- Shares
- 77.23K
- % company
- 0.17%
- Price
- $87.43
- Value
- $6,752,656
Filed Jun 4, 2026
Savage Sheri
- Shares
- 77.36K
- % company
- 0.17%
- Price
- $86.00
- Value
- $6,652,530
Filed Jun 4, 2026
Savage Sheri
- Shares
- 77.39K
- % company
- 0.17%
- Price
- $91.70
- Value
- $7,097,122
Filed Jun 4, 2026
Savage Sheri
- Shares
- 77.57K
- % company
- 0.17%
- Price
- $90.89
- Value
- $7,050,065
Filed Jun 4, 2026
Savage Sheri
- Shares
- 78.54K
- % company
- 0.18%
- Price
- $89.78
- Value
- $7,051,231
Filed Jun 4, 2026
Savage Sheri
- Shares
- 79.23K
- % company
- 0.18%
- Price
- $88.69
- Value
- $7,026,643
Filed Jun 4, 2026
Savage Sheri
- Shares
- 80.30K
- % company
- 0.18%
- Price
- $87.37
- Value
- $7,015,549
Filed Jun 4, 2026
Savage Sheri
- Shares
- 50.71K
- % company
- 0.11%
- Price
- $91.63
- Value
- $4,646,557
Filed Jun 4, 2026
Savage Sheri
- Shares
- 51.49K
- % company
- 0.11%
- Price
- $90.79
- Value
- $4,675,140
Filed Jun 4, 2026
Savage Sheri
- Shares
- 54.39K
- % company
- 0.12%
- Price
- $89.70
- Value
- $4,878,604
Filed Jun 4, 2026
Savage Sheri
- Shares
- 56.29K
- % company
- 0.13%
- Price
- $88.69
- Value
- $4,992,715
Filed Jun 4, 2026
Savage Sheri
- Shares
- 59.36K
- % company
- 0.13%
- Price
- $87.59
- Value
- $5,199,518
Filed Jun 4, 2026
Savage Sheri
- Shares
- 60.93K
- % company
- 0.14%
- Price
- $86.18
- Value
- $5,251,120
Filed Jun 4, 2026
Savage Sheri
- Shares
- 61.13K
- % company
- 0.14%
- Price
- $91.76
- Value
- $5,609,472
Filed Jun 4, 2026
Savage Sheri
- Shares
- 61.15K
- % company
- 0.14%
- Price
- $91.03
- Value
- $5,566,485
Filed Jun 4, 2026
Savage Sheri
- Shares
- 61.51K
- % company
- 0.14%
- Price
- $89.97
- Value
- $5,533,875
Filed Jun 4, 2026
Savage Sheri
- Shares
- 61.77K
- % company
- 0.14%
- Price
- $88.73
- Value
- $5,480,586
Filed Jun 4, 2026
Savage Sheri
- Shares
- 62.19K
- % company
- 0.14%
- Price
- $87.52
- Value
- $5,442,519
Filed Jun 4, 2026
Savage Sheri
- Shares
- 62.35K
- % company
- 0.14%
- Price
- $86.00
- Value
- $5,361,756
Filed Jun 4, 2026
Savage Sheri
- Shares
- 62.40K
- % company
- 0.14%
- Price
- $91.29
- Value
- $5,696,131
Filed Jun 4, 2026
Savage Sheri
- Shares
- 63.22K
- % company
- 0.14%
- Price
- $90.40
- Value
- $5,715,178
Filed Jun 4, 2026
Savage Sheri
- Shares
- 64.16K
- % company
- 0.14%
- Price
- $89.22
- Value
- $5,724,088
Filed Jun 4, 2026
Savage Sheri
- Shares
- 65.09K
- % company
- 0.15%
- Price
- $88.29
- Value
- $5,746,973
Filed Jun 4, 2026
Savage Sheri
- Shares
- 66.08K
- % company
- 0.15%
- Price
- $87.24
- Value
- $5,764,819
Filed Jun 4, 2026
HARDING BRIAN E
- Shares
- 28.05K
- % company
- 0.06%
- Price
- $91.38
- Value
- $2,563,666
Filed Jun 4, 2026
HARDING BRIAN E
- Shares
- 28.72K
- % company
- 0.06%
- Price
- $90.55
- Value
- $2,600,415
Filed Jun 4, 2026
HARDING BRIAN E
- Shares
- 29.70K
- % company
- 0.07%
- Price
- $89.33
- Value
- $2,653,458
Filed Jun 4, 2026
HARDING BRIAN E
- Shares
- 30.76K
- % company
- 0.07%
- Price
- $88.36
- Value
- $2,717,954
Filed Jun 4, 2026
HARDING BRIAN E
- Shares
- 31.76K
- % company
- 0.07%
- Price
- $87.22
- Value
- $2,770,282
Filed Jun 4, 2026
HARDING BRIAN E
- Shares
- 32.26K
- % company
- 0.07%
- Price
- $91.63
- Value
- $2,955,801
Filed Jun 4, 2026
HARDING BRIAN E
- Shares
- 32.38K
- % company
- 0.07%
- Price
- $90.76
- Value
- $2,938,355
Filed Jun 4, 2026
HARDING BRIAN E
- Shares
- 32.75K
- % company
- 0.07%
- Price
- $89.67
- Value
- $2,936,693
Filed Jun 4, 2026
HARDING BRIAN E
- Shares
- 32.92K
- % company
- 0.07%
- Price
- $88.76
- Value
- $2,921,890
Filed Jun 4, 2026
HARDING BRIAN E
- Shares
- 33.30K
- % company
- 0.07%
- Price
- $87.71
- Value
- $2,920,743
Filed Jun 4, 2026
HARDING BRIAN E
- Shares
- 33.53K
- % company
- 0.07%
- Price
- $86.00
- Value
- $2,883,236
Filed Jun 4, 2026
HARDING BRIAN E
- Shares
- 33.58K
- % company
- 0.07%
- Price
- $91.59
- Value
- $3,075,592
Filed Jun 4, 2026
HARDING BRIAN E
- Shares
- 33.97K
- % company
- 0.08%
- Price
- $90.73
- Value
- $3,082,007
Filed Jun 4, 2026
HARDING BRIAN E
- Shares
- 35.25K
- % company
- 0.08%
- Price
- $89.36
- Value
- $3,149,583
Filed Jun 4, 2026
HARDING BRIAN E
- Shares
- 36.13K
- % company
- 0.08%
- Price
- $88.47
- Value
- $3,196,598
Filed Jun 4, 2026
HARDING BRIAN E
- Shares
- 37.33K
- % company
- 0.08%
- Price
- $87.25
- Value
- $3,257,130
Filed Jun 4, 2026
HARDING BRIAN E
- Shares
- 37.82K
- % company
- 0.08%
- Price
- $91.65
- Value
- $3,466,111
Filed Jun 4, 2026
HARDING BRIAN E
- Shares
- 38.45K
- % company
- 0.09%
- Price
- $90.79
- Value
- $3,491,329
Filed Jun 4, 2026
HARDING BRIAN E
- Shares
- 40.33K
- % company
- 0.09%
- Price
- $89.73
- Value
- $3,618,901
Filed Jun 4, 2026
HARDING BRIAN E
- Shares
- 41.74K
- % company
- 0.09%
- Price
- $88.74
- Value
- $3,703,830
Filed Jun 4, 2026
HARDING BRIAN E
- Shares
- 43.67K
- % company
- 0.10%
- Price
- $87.72
- Value
- $3,830,820
Filed Jun 4, 2026
HARDING BRIAN E
- Shares
- 44.85K
- % company
- 0.10%
- Price
- $85.86
- Value
- $3,850,563
Filed Jun 4, 2026
Cho Paul Yoonku
- Shares
- 22.94K
- % company
- 0.05%
- Price
- $89.37
- Value
- $2,050,237
Filed Jun 2, 2026
LIGGETT EMILY M
- Shares
- 38.15K
- % company
- 0.09%
- Price
- $92.18
- Value
- $3,516,851
Filed May 27, 2026
Cook Christopher S
- Shares
- 110.62K
- % company
- 0.25%
- Price
- No cash value
- Value
- No cash value
Filed May 22, 2026
Cho Paul Yoonku
- Shares
- 23.89K
- % company
- 0.05%
- Price
- No cash value
- Value
- No cash value
Filed May 22, 2026
| # | Insider | % company | Action | Shares | Price | Value | Filing date |
|---|---|---|---|---|---|---|---|
| 1 | Savage Sheri | 0.15% | SaleOpen-market or direct sale reported on Form 4. | 66.48K | $91.75 | $6,099,173 | Jun 4, 2026 |
| 2 | Savage Sheri | 0.15% | SaleOpen-market or direct sale reported on Form 4. | 66.74K | $90.99 | $6,072,309 | Jun 4, 2026 |
| 3 | Savage Sheri | 0.15% | SaleOpen-market or direct sale reported on Form 4. | 68.44K | $89.95 | $6,156,358 | Jun 4, 2026 |
| 4 | Savage Sheri | 0.15% | SaleOpen-market or direct sale reported on Form 4. | 69.29K | $89.10 | $6,174,095 | Jun 4, 2026 |
| 5 | Savage Sheri | 0.16% | SaleOpen-market or direct sale reported on Form 4. | 70.72K | $88.16 | $6,234,940 | Jun 4, 2026 |
| 6 | Savage Sheri | 0.16% | SaleOpen-market or direct sale reported on Form 4. | 72.15K | $87.07 | $6,282,275 | Jun 4, 2026 |
| 7 | Savage Sheri | 0.16% | SaleOpen-market or direct sale reported on Form 4. | 72.64K | $91.68 | $6,659,635 | Jun 4, 2026 |
| 8 | Savage Sheri | 0.16% | SaleOpen-market or direct sale reported on Form 4. | 72.81K | $90.86 | $6,615,607 | Jun 4, 2026 |
| 9 | Savage Sheri | 0.16% | SaleOpen-market or direct sale reported on Form 4. | 73.57K | $89.73 | $6,601,795 | Jun 4, 2026 |
| 10 | Savage Sheri | 0.17% | SaleOpen-market or direct sale reported on Form 4. | 74.02K | $88.75 | $6,569,275 | Jun 4, 2026 |
| 11 | Savage Sheri | 0.17% | SaleOpen-market or direct sale reported on Form 4. | 74.93K | $87.72 | $6,572,596 | Jun 4, 2026 |
| 12 | Savage Sheri | 0.17% | SaleOpen-market or direct sale reported on Form 4. | 75.32K | $85.54 | $6,442,787 | Jun 4, 2026 |
| 13 | Savage Sheri | 0.17% | SaleOpen-market or direct sale reported on Form 4. | 75.42K | $91.63 | $6,910,276 | Jun 4, 2026 |
| 14 | Savage Sheri | 0.17% | SaleOpen-market or direct sale reported on Form 4. | 75.51K | $90.76 | $6,852,925 | Jun 4, 2026 |
| 15 | Savage Sheri | 0.17% | SaleOpen-market or direct sale reported on Form 4. | 75.77K | $89.59 | $6,787,876 | Jun 4, 2026 |
| 16 | Savage Sheri | 0.17% | SaleOpen-market or direct sale reported on Form 4. | 75.92K | $88.80 | $6,741,962 | Jun 4, 2026 |
| 17 | Savage Sheri | 0.17% | SaleOpen-market or direct sale reported on Form 4. | 76.24K | $87.52 | $6,672,875 | Jun 4, 2026 |
| 18 | Savage Sheri | 0.17% | SaleOpen-market or direct sale reported on Form 4. | 76.36K | $86.04 | $6,570,359 | Jun 4, 2026 |
| 19 | Savage Sheri | 0.17% | SaleOpen-market or direct sale reported on Form 4. | 76.40K | $91.78 | $7,012,359 | Jun 4, 2026 |
| 20 | Savage Sheri | 0.17% | SaleOpen-market or direct sale reported on Form 4. | 76.42K | $90.98 | $6,953,056 | Jun 4, 2026 |
| 21 | Savage Sheri | 0.17% | SaleOpen-market or direct sale reported on Form 4. | 76.72K | $89.91 | $6,898,345 | Jun 4, 2026 |
| 22 | Savage Sheri | 0.17% | SaleOpen-market or direct sale reported on Form 4. | 76.88K | $88.85 | $6,830,344 | Jun 4, 2026 |
| 23 | Savage Sheri | 0.17% | SaleOpen-market or direct sale reported on Form 4. | 77.23K | $87.43 | $6,752,656 | Jun 4, 2026 |
| 24 | Savage Sheri | 0.17% | SaleOpen-market or direct sale reported on Form 4. | 77.36K | $86.00 | $6,652,530 | Jun 4, 2026 |
| 25 | Savage Sheri | 0.17% | SaleOpen-market or direct sale reported on Form 4. | 77.39K | $91.70 | $7,097,122 | Jun 4, 2026 |
| 26 | Savage Sheri | 0.17% | SaleOpen-market or direct sale reported on Form 4. | 77.57K | $90.89 | $7,050,065 | Jun 4, 2026 |
| 27 | Savage Sheri | 0.18% | SaleOpen-market or direct sale reported on Form 4. | 78.54K | $89.78 | $7,051,231 | Jun 4, 2026 |
| 28 | Savage Sheri | 0.18% | SaleOpen-market or direct sale reported on Form 4. | 79.23K | $88.69 | $7,026,643 | Jun 4, 2026 |
| 29 | Savage Sheri | 0.18% | SaleOpen-market or direct sale reported on Form 4. | 80.30K | $87.37 | $7,015,549 | Jun 4, 2026 |
| 30 | Savage Sheri | 0.11% | SaleOpen-market or direct sale reported on Form 4. | 50.71K | $91.63 | $4,646,557 | Jun 4, 2026 |
| 31 | Savage Sheri | 0.11% | SaleOpen-market or direct sale reported on Form 4. | 51.49K | $90.79 | $4,675,140 | Jun 4, 2026 |
| 32 | Savage Sheri | 0.12% | SaleOpen-market or direct sale reported on Form 4. | 54.39K | $89.70 | $4,878,604 | Jun 4, 2026 |
| 33 | Savage Sheri | 0.13% | SaleOpen-market or direct sale reported on Form 4. | 56.29K | $88.69 | $4,992,715 | Jun 4, 2026 |
| 34 | Savage Sheri | 0.13% | SaleOpen-market or direct sale reported on Form 4. | 59.36K | $87.59 | $5,199,518 | Jun 4, 2026 |
| 35 | Savage Sheri | 0.14% | SaleOpen-market or direct sale reported on Form 4. | 60.93K | $86.18 | $5,251,120 | Jun 4, 2026 |
| 36 | Savage Sheri | 0.14% | SaleOpen-market or direct sale reported on Form 4. | 61.13K | $91.76 | $5,609,472 | Jun 4, 2026 |
| 37 | Savage Sheri | 0.14% | SaleOpen-market or direct sale reported on Form 4. | 61.15K | $91.03 | $5,566,485 | Jun 4, 2026 |
| 38 | Savage Sheri | 0.14% | SaleOpen-market or direct sale reported on Form 4. | 61.51K | $89.97 | $5,533,875 | Jun 4, 2026 |
| 39 | Savage Sheri | 0.14% | SaleOpen-market or direct sale reported on Form 4. | 61.77K | $88.73 | $5,480,586 | Jun 4, 2026 |
| 40 | Savage Sheri | 0.14% | SaleOpen-market or direct sale reported on Form 4. | 62.19K | $87.52 | $5,442,519 | Jun 4, 2026 |
| 41 | Savage Sheri | 0.14% | SaleOpen-market or direct sale reported on Form 4. | 62.35K | $86.00 | $5,361,756 | Jun 4, 2026 |
| 42 | Savage Sheri | 0.14% | SaleOpen-market or direct sale reported on Form 4. | 62.40K | $91.29 | $5,696,131 | Jun 4, 2026 |
| 43 | Savage Sheri | 0.14% | SaleOpen-market or direct sale reported on Form 4. | 63.22K | $90.40 | $5,715,178 | Jun 4, 2026 |
| 44 | Savage Sheri | 0.14% | SaleOpen-market or direct sale reported on Form 4. | 64.16K | $89.22 | $5,724,088 | Jun 4, 2026 |
| 45 | Savage Sheri | 0.15% | SaleOpen-market or direct sale reported on Form 4. | 65.09K | $88.29 | $5,746,973 | Jun 4, 2026 |
| 46 | Savage Sheri | 0.15% | SaleOpen-market or direct sale reported on Form 4. | 66.08K | $87.24 | $5,764,819 | Jun 4, 2026 |
| 47 | HARDING BRIAN E | 0.06% | SaleOpen-market or direct sale reported on Form 4. | 28.05K | $91.38 | $2,563,666 | Jun 4, 2026 |
| 48 | HARDING BRIAN E | 0.06% | SaleOpen-market or direct sale reported on Form 4. | 28.72K | $90.55 | $2,600,415 | Jun 4, 2026 |
| 49 | HARDING BRIAN E | 0.07% | SaleOpen-market or direct sale reported on Form 4. | 29.70K | $89.33 | $2,653,458 | Jun 4, 2026 |
| 50 | HARDING BRIAN E | 0.07% | SaleOpen-market or direct sale reported on Form 4. | 30.76K | $88.36 | $2,717,954 | Jun 4, 2026 |
| 51 | HARDING BRIAN E | 0.07% | SaleOpen-market or direct sale reported on Form 4. | 31.76K | $87.22 | $2,770,282 | Jun 4, 2026 |
| 52 | HARDING BRIAN E | 0.07% | SaleOpen-market or direct sale reported on Form 4. | 32.26K | $91.63 | $2,955,801 | Jun 4, 2026 |
| 53 | HARDING BRIAN E | 0.07% | SaleOpen-market or direct sale reported on Form 4. | 32.38K | $90.76 | $2,938,355 | Jun 4, 2026 |
| 54 | HARDING BRIAN E | 0.07% | SaleOpen-market or direct sale reported on Form 4. | 32.75K | $89.67 | $2,936,693 | Jun 4, 2026 |
| 55 | HARDING BRIAN E | 0.07% | SaleOpen-market or direct sale reported on Form 4. | 32.92K | $88.76 | $2,921,890 | Jun 4, 2026 |
| 56 | HARDING BRIAN E | 0.07% | SaleOpen-market or direct sale reported on Form 4. | 33.30K | $87.71 | $2,920,743 | Jun 4, 2026 |
| 57 | HARDING BRIAN E | 0.07% | SaleOpen-market or direct sale reported on Form 4. | 33.53K | $86.00 | $2,883,236 | Jun 4, 2026 |
| 58 | HARDING BRIAN E | 0.07% | SaleOpen-market or direct sale reported on Form 4. | 33.58K | $91.59 | $3,075,592 | Jun 4, 2026 |
| 59 | HARDING BRIAN E | 0.08% | SaleOpen-market or direct sale reported on Form 4. | 33.97K | $90.73 | $3,082,007 | Jun 4, 2026 |
| 60 | HARDING BRIAN E | 0.08% | SaleOpen-market or direct sale reported on Form 4. | 35.25K | $89.36 | $3,149,583 | Jun 4, 2026 |
| 61 | HARDING BRIAN E | 0.08% | SaleOpen-market or direct sale reported on Form 4. | 36.13K | $88.47 | $3,196,598 | Jun 4, 2026 |
| 62 | HARDING BRIAN E | 0.08% | SaleOpen-market or direct sale reported on Form 4. | 37.33K | $87.25 | $3,257,130 | Jun 4, 2026 |
| 63 | HARDING BRIAN E | 0.08% | SaleOpen-market or direct sale reported on Form 4. | 37.82K | $91.65 | $3,466,111 | Jun 4, 2026 |
| 64 | HARDING BRIAN E | 0.09% | SaleOpen-market or direct sale reported on Form 4. | 38.45K | $90.79 | $3,491,329 | Jun 4, 2026 |
| 65 | HARDING BRIAN E | 0.09% | SaleOpen-market or direct sale reported on Form 4. | 40.33K | $89.73 | $3,618,901 | Jun 4, 2026 |
| 66 | HARDING BRIAN E | 0.09% | SaleOpen-market or direct sale reported on Form 4. | 41.74K | $88.74 | $3,703,830 | Jun 4, 2026 |
| 67 | HARDING BRIAN E | 0.10% | SaleOpen-market or direct sale reported on Form 4. | 43.67K | $87.72 | $3,830,820 | Jun 4, 2026 |
| 68 | HARDING BRIAN E | 0.10% | SaleOpen-market or direct sale reported on Form 4. | 44.85K | $85.86 | $3,850,563 | Jun 4, 2026 |
| 69 | Cho Paul Yoonku | 0.05% | SaleOpen-market or direct sale reported on Form 4. | 22.94K | $89.37 | $2,050,237 | Jun 2, 2026 |
| 70 | LIGGETT EMILY M | 0.09% | SaleOpen-market or direct sale reported on Form 4. | 38.15K | $92.18 | $3,516,851 | May 27, 2026 |
| 71 | Cook Christopher S | 0.25% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 110.62K | No cash value | No cash value | May 22, 2026 |
| 72 | Cho Paul Yoonku | 0.05% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 23.89K | No cash value | No cash value | May 22, 2026 |
Showing 72 of 120 matching Form 4 rows. Percent of company uses current shares outstanding when available.Load more insiders
Frequently asked
Common questions.
Who are the largest UCTT shareholders?
BLACKROCK is the largest institutional holder of UCTT, with 6.83 million shares, or about 15.26% of shares outstanding. Additional institutions are ranked by reported share count.
What is institutional ownership of UCTT?
Ultra Clean Holdings Inc (UCTT) has 120 institutional holders on file — 88 that increased or initiated positions and 29 that reduced them, as of the latest filing on Mar 31, 2026.
Where can I see Ultra Clean Holdings Inc insider transactions?
Ultra Clean Holdings Inc (UCTT) has 120 Form 4 insider transactions on file, most recently on Jun 4, 2026, separated into purchases, sales, option exercises, awards, gifts, and tax withholding so administrative transactions are distinguished from open-market trades.
Are UCTT insiders buying or selling?
Recent UCTT insider activity reads Net selling: 83 sales and 0 purchases. Awards, gifts, conversions, and tax withholding are listed separately because they do not carry the same signal as open-market trades.
Who is the most active UCTT insider?
Savage Sheri is the most active UCTT insider by absolute share movement, with 3.45 million shares moving across the filing history. Review the action labels before treating that activity as buying or selling.