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 15, 10:01 AM 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 day
Provider checked •
Source: Market data provider
Analystevery 1 day
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 loaded institutional holder. 104 sale rows and 0 purchase rows are visible in the loaded Form 4 history. Use the filters below to separate real buying and selling from option exercises, gifts, awards, and tax withholding.
Insider flow
UCTT
Purchases—
Sales206.53K
Directional bars ignore awards, gifts, conversions, and tax withholding rows.
Top holder
6.83M
BLACKROCK
Insider stance
Net selling
$14.95M sold / — bought
Latest filing
Jun 4, 2026
Most recent holder or insider filing date
Rows loaded
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 in loaded rows
- 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 %
- +1.34%
- 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 | +1.34% | 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
CFO
- Shares
- 784
- % company
- <0.01%
- Price
- $91.63
- Value
- $71,838
Filed Jun 4, 2026
SAVAGE, SHERI
CFO
- Shares
- 2.89K
- % company
- <0.01%
- Price
- $90.79
- Value
- $262,746
Filed Jun 4, 2026
SAVAGE, SHERI
CFO
- Shares
- 1.91K
- % company
- <0.01%
- Price
- $89.70
- Value
- $170,968
Filed Jun 4, 2026
SAVAGE, SHERI
CFO
- Shares
- 3.07K
- % company
- <0.01%
- Price
- $88.69
- Value
- $272,101
Filed Jun 4, 2026
SAVAGE, SHERI
CFO
- Shares
- 1.57K
- % company
- <0.01%
- Price
- $87.59
- Value
- $137,516
Filed Jun 4, 2026
SAVAGE, SHERI
CFO
- Shares
- 200
- % company
- <0.01%
- Price
- $86.18
- Value
- $17,236
Filed Jun 4, 2026
SAVAGE, SHERI
CFO
- Shares
- 18
- % company
- <0.01%
- Price
- $91.76
- Value
- $1,652
Filed Jun 4, 2026
SAVAGE, SHERI
CFO
- Shares
- 358
- % company
- <0.01%
- Price
- $91.03
- Value
- $32,589
Filed Jun 4, 2026
SAVAGE, SHERI
CFO
- Shares
- 259
- % company
- <0.01%
- Price
- $89.97
- Value
- $23,302
Filed Jun 4, 2026
SAVAGE, SHERI
CFO
- Shares
- 419
- % company
- <0.01%
- Price
- $88.73
- Value
- $37,178
Filed Jun 4, 2026
SAVAGE, SHERI
CFO
- Shares
- 160
- % company
- <0.01%
- Price
- $87.52
- Value
- $14,003
Filed Jun 4, 2026
SAVAGE, SHERI
CFO
- Shares
- 50
- % company
- <0.01%
- Price
- $86.00
- Value
- $4,300
Filed Jun 4, 2026
| # | Insider | % company | Action | Shares | Price | Value | Filing date |
|---|---|---|---|---|---|---|---|
| 1 | SAVAGE, SHERI CFO | <0.01% | Sale to issuer | 784 | $91.63 | $71,838 | Jun 4, 2026 |
| 2 | SAVAGE, SHERI CFO | <0.01% | Sale to issuer | 2.89K | $90.79 | $262,746 | Jun 4, 2026 |
| 3 | SAVAGE, SHERI CFO | <0.01% | Sale to issuer | 1.91K | $89.70 | $170,968 | Jun 4, 2026 |
| 4 | SAVAGE, SHERI CFO | <0.01% | Sale to issuer | 3.07K | $88.69 | $272,101 | Jun 4, 2026 |
| 5 | SAVAGE, SHERI CFO | <0.01% | Sale to issuer | 1.57K | $87.59 | $137,516 | Jun 4, 2026 |
| 6 | SAVAGE, SHERI CFO | <0.01% | Sale to issuer | 200 | $86.18 | $17,236 | Jun 4, 2026 |
| 7 | SAVAGE, SHERI CFO | <0.01% | Sale to issuer | 18 | $91.76 | $1,652 | Jun 4, 2026 |
| 8 | SAVAGE, SHERI CFO | <0.01% | Sale to issuer | 358 | $91.03 | $32,589 | Jun 4, 2026 |
| 9 | SAVAGE, SHERI CFO | <0.01% | Sale to issuer | 259 | $89.97 | $23,302 | Jun 4, 2026 |
| 10 | SAVAGE, SHERI CFO | <0.01% | Sale to issuer | 419 | $88.73 | $37,178 | Jun 4, 2026 |
| 11 | SAVAGE, SHERI CFO | <0.01% | Sale to issuer | 160 | $87.52 | $14,003 | Jun 4, 2026 |
| 12 | SAVAGE, SHERI CFO | <0.01% | Sale to issuer | 50 | $86.00 | $4,300 | Jun 4, 2026 |
Showing 12 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 in the loaded UCTT ownership dataset, with 6.83 million shares, or about 15.26% of shares outstanding. The table ranks additional institutions by reported share count.
What is institutional ownership of UCTT?
The current TECHi snapshot has 120 loaded institutional rows for Ultra Clean Holdings Inc. 88 rows are marked increased or initiated, while 29 rows are marked decreased, with the latest holder filing dated Mar 31, 2026.
Where can I see Ultra Clean Holdings Inc insider transactions?
The insider transaction table currently shows 120 loaded Form 4 rows for UCTT, with the latest insider filing dated Jun 4, 2026. It separates purchases, sales, option exercises, awards, gifts, and tax withholding so administrative transactions are not confused with open-market trades.
Are UCTT insiders buying or selling?
The loaded UCTT Form 4 rows currently read Net selling: 104 sale rows and 0 purchase rows. Awards, gifts, conversions, and tax withholding are shown separately because they do not carry the same signal as open-market buying or selling.
Who is the most active UCTT insider in the loaded filings?
SAVAGE, SHERI is the most active insider by absolute share movement in the loaded UCTT rows, with 68,455 shares moving across the visible filing history. Review the action labels before treating that activity as buying or selling.