$UCTT

$51.48 +$4.77 (10.21%) Close

$UCTT Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 45.3M shares outstanding

Who owns UCTT?

By type of holder

Institutions 100.0% Insiders 0.0% Everyone else 0.0%

Concentration Top 10 holders own 52.4%

BlackRock, Inc. 15.3% · Invesco Ltd. 6.9%

Institutional ownership

100.0%

+0.6 pts vs last qtr

Institutional holders

437

+106 vs last qtr

Net shares bought

+1.1M

by institutions in Q2 2026

New / sold out

145 / 39

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Capital World Investors NEW +2.6M
Invesco Ltd. +1.5M

Biggest sellers in Q2 2026

Frontier Capital Management Co LLC −1.1M
Cooper Creek Partners Management LLC SOLD OUT −586.8K

Who is planning to sell?

Notices of proposed sale, last 12 months

$11.9M

14 notices from 10 people

Shares covered

158.4K

0.35% of the company

Arranged in advance

58%

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Sheri Savage Officer 10b5-1 $2.7M
Clarence Granger Director 10b5-1 $2.26M

Every notice on Red Flags →

A Form 144 is notice of a planned sale, not the sale itself. What insiders actually sold is on Insider Transactions.

Is your stake being diluted?

Diluted share count, FY2016–FY2025

+36.7%

+3.53% a year

Each share's claim on the business

−26.8%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

$44.9M vs $132M

over 10 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years64% 3–5 years3% 1–3 years7% Under 1 year26%

Quarterly turnover

19.7%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting UCTT on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
B BlackRock, Inc.	6.9M	15.28%	+87.4K (+1.3%)	≤2021	0.0%
Shares held by quarter Peak holding7.2M (Q4'24) Change over 8 quarters−117.1K Share of the company15.280% BlackRock, Inc.'s full portfolio →
I Invesco Ltd.	3.1M	6.90%	+1.5M (+88.2%)	≤2021	0.0%
Shares held by quarter Peak holding3.4M (Q4'25) Change over 8 quarters+2.1M Share of the company6.900% Invesco Ltd.'s full portfolio →

BlackRock, Inc.

6.9M

% of company

15.28%

Change vs last qtr

+87.4K (+1.3%)

Held since

≤2021

Invesco Ltd.

3.1M

% of company

6.90%

Change vs last qtr

+1.5M (+88.2%)

Held since

≤2021

28 more super investors behind a free account

See every manager holding Ultra Clean Holdings Inc, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting UCTT on Form N-PORT; together they hold 57.1% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
IC iShares Core S&P Small-Cap ETF iShares Trust	$385M	2.7M	5.96%	0.35%	June 30, 2026
SW SMALLCAP World Fund Inc SMALLCAP World Fund Inc	$340M	2.4M	5.26%	0.36%	June 30, 2026

iShares Core S&P Small-Cap ETF

iShares Trust

Position value

$385M

% of company

5.96%

% of the fund

0.35%

As of

June 30, 2026

SMALLCAP World Fund Inc

Position value

$340M

% of company

5.26%

% of the fund

0.36%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding Ultra Clean Holdings Inc and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
XJ Xiao Jinsong Insider	129.9K	0.29%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.290% Xiao Jinsong's insider activity →
CC Cook Christopher S Insider	102.2K	0.23%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.230% Cook Christopher S's insider activity →

Xiao Jinsong

Insider

129.9K

% of company

0.29%

Change vs last qtr

—

Held since

—

Cook Christopher S

Insider

102.2K

% of company

0.23%

Change vs last qtr

—

Held since

—

17 more holders behind a free account

See every insider and 5%+ holder of Ultra Clean Holdings Inc.

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