Ultra Clean Holdings

UCTT • NASDAQ

Ultra Clean Holdings is a semiconductors company in the technology sector on NASDAQ, led by Jinsong Xiao, with a market cap of $1.2B. As of Q3 2025, 93% of shares are held by 235 institutional investors, with BlackRock, Inc. as the largest holder at 14.8%.

Chief Executive OfficerJinsong Xiao

Market Cap$1.2B

Semiconductors

Technology

Employees6.7K

Websiteuct.com

Country

United States of America

Overview

Overview of institutional ownership in UCTT as of Q3 2025 with a market cap of $1.2B

All Institutions

Institutions: 235
Value Held: $1.1B
Shares Held: 42.1M
Avg Position: $4.9M
Median Position: $384.1K

Hedge Funds

Hedge Funds: 23
Value Held: $70.3M
Shares Held: 2.6M
Avg Position: $3.1M
Median Position: $1.3M

Ownership Breakdown

Institutional (non-HF)

87.08%

$1.1B

Hedge Funds

5.69%

$70.3M

Retail & Other

7.23%

$89.3M

Based on market cap of $1.2B as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.

Biggest Investors

Institutions with the largest positions in UCTT as of Q3 2025

Institution	Key People	Position Value	Ownership	Owned Since	Total AUM (Long)
B BlackRock, Inc. Institution	-	$182.8M 0.00% of portfolio	14.80% 6.7M shares	≤ Q2 2013 Held for 12y 5m+	$5.67T
VANGUARD GROUP INC Institution	Salim Ramji CEO	$128.0M 0.00% of portfolio	10.36% 4.7M shares	≤ Q2 2013 Held for 12y 5m+	$6.69T
SHAPIRO CAPITAL MANAGEMENT CO INC Long Only Manager	Louis Steven Shapiro President	$100.6M 4.53% of portfolio	8.14% 3.7M shares	Q2 2022 Held for 3y 5m	$2.2B
FRONTIER CAPITAL MANAGEMENT CO LLC Long Only Manager	William Allen Teichner Managing Partner	$82.7M 0.74% of portfolio	6.69% 3.0M shares	Q4 2022 Held for 2y 11m	$11.1B
Invesco Ltd. ETF Provider	Brian Christopher Hartigan CEO	$56.8M 0.01% of portfolio	4.60% 2.1M shares	≤ Q2 2013 Held for 12y 5m+	$633.08B
DIMENSIONAL FUND ADVISORS LP Long Only Manager	David Paul Butler CEO	$52.9M 0.01% of portfolio	4.28% 1.9M shares	≤ Q2 2013 Held for 12y 5m+	$466.32B
STATE STREET CORP Institution	Ronald P. O'Hanley CEO	$48.1M 0.00% of portfolio	3.89% 1.8M shares	≤ Q2 2013 Held for 12y 5m+	$2.88T
GEODE CAPITAL MANAGEMENT LLC ETF Provider	David Kenneth Lane CEO	$30.5M 0.00% of portfolio	2.47% 1.1M shares	≤ Q2 2013 Held for 12y 5m+	$1.57T
R ROYCE & ASSOCIATES LLC Institution	-	$30.2M 0.30% of portfolio	2.44% 1.1M shares	≤ Q2 2013 Held for 12y 5m+	$10.0B
D Divisar Capital Management LLC Hedge Fund•Long/Short	Steven Richard Baughman CEO	$28.7M 7.80% of portfolio	2.32% 1.1M shares	Q3 2018 Held for 7y 2m	$367.6M

Net Capital Flow

Institutional buying and selling activity for UCTT in Q3 2025

Traded: +$2.7M
Buyers: 116
Sellers: 107
Total Bought: +$92.7M
Total Sold: −$90.0M
Avg Position: $4.3M

Biggest Buyers

Institution	Net Bought	Current Position
GOLDMAN SACHS GROUP INC Institution	+$9.7M +356.9K shares	$15.2M 559.0K shares
DRIEHAUS CAPITAL MANAGEMENT LLC Hedge Fund•Event Driven	+$8.8M +322.0K shares	$8.8M 322.0K shares
JPMORGAN CHASE & CO Institution	+$7.6M +280.0K shares	$16.1M 589.1K shares
FRONTIER CAPITAL MANAGEMENT CO LLC Long Only Manager	+$7.6M +279.1K shares	$82.7M 3.0M shares
Bank of New York Mellon Corp Institution	+$4.9M +179.1K shares	$17.2M 631.5K shares
Invesco Ltd. ETF Provider	+$4.7M +170.9K shares	$56.8M 2.1M shares
AMERIPRISE FINANCIAL INC Institution	+$4.6M +170.2K shares	$7.4M 270.4K shares
PINNACLE ASSOCIATES LTD Long Only Manager	+$3.8M +140.8K shares	$10.7M 393.7K shares
B BNP PARIBAS ARBITRAGE, SA Institution	+$3.3M +122.9K shares	$10.8M 394.7K shares
WEDGE CAPITAL MANAGEMENT L L P/NC Long Only Manager	+$3.2M +116.5K shares	$3.2M 116.5K shares

Biggest Sellers

Institution	Net Sold	Current Position
SHAPIRO CAPITAL MANAGEMENT CO INC Long Only Manager	−$12.4M −454.8K shares	$100.6M 3.7M shares
D Divisar Capital Management LLC Hedge Fund•Long/Short	−$9.9M −364.5K shares	$28.7M 1.1M shares
HARBOR CAPITAL ADVISORS, INC. ETF Provider	−$9.2M −338.3K shares	$3.1M 112.3K shares
DIMENSIONAL FUND ADVISORS LP Long Only Manager	−$5.4M −197.3K shares	$52.9M 1.9M shares
RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant	−$4.6M −167.7K shares	$2.4M 89.5K shares
BARCLAYS PLC Institution	−$4.3M −157.6K shares	$1.7M 63.1K shares
UBS Group AG Institution	−$4.1M −152.1K shares	$7.2M 262.5K shares
PRUDENTIAL FINANCIAL INC Institution	−$3.0M −108.4K shares	$1.3M 46.1K shares
J JANE STREET GROUP, LLC Institution	−$2.9M −107.9K shares	$1.9M 70.9K shares
MORGAN STANLEY RIA/Wealth	−$2.4M −88.5K shares	$18.6M 682.1K shares

Entry and Exit Activity

Institutions that initiated new positions or completely exited UCTT in Q3 2025

New Positions: 14
New Value: $4.6M
Exited Positions: 27
Exited Value: $11.2M

New Positions

Institution	Position Value
Optimize Financial Inc RIA/Wealth	$1.5M 56.5K shares
Y Y-Intercept Ltd Institution	$961.8K 35.3K shares
FRANKLIN RESOURCES INC Institution	$437.0K 16.0K shares
WEALTH ENHANCEMENT ADVISORY SERVICES, LLC RIA/Wealth	$416.0K 15.1K shares
A ATRIA INVESTMENTS LLC Institution	$397.9K 14.6K shares
Gallagher Fiduciary Advisors, LLC Pension/Endowment	$391.2K 14.4K shares
Bridgewater Associates, LP Hedge Fund•Global Macro	$283.2K 10.4K shares
Johnson Financial Group, Inc. RIA/Wealth	$80.8K 3.0K shares
WEXFORD CAPITAL LP Hedge Fund•Multi-Strategy	$64.2K 2.4K shares
S Salomon & Ludwin, LLC Institution	$9.3K 319.0 shares

Exited Positions

Institution	Previous Position
C Coppell Advisory Solutions LLC RIA/Wealth	$2.1M 94.0K shares
TUDOR INVESTMENT CORP ET AL Hedge Fund•Multi-Strategy	$2.1M 91.0K shares
LAZARD ASSET MANAGEMENT LLC Long Only Manager	$1.3M 57.5K shares
GSA CAPITAL PARTNERS LLP Hedge Fund•Quant	$935.8K 41.5K shares
C Campbell & CO Investment Adviser LLC Hedge Fund•Quant Macro	$740.0K 32.8K shares
F FOX RUN MANAGEMENT, L.L.C. Hedge Fund•Quant	$630.3K 27.9K shares
D Dynamic Technology Lab Private Ltd Institution	$512.4K 22.7K shares
T TEXAS PERMANENT SCHOOL FUND Institution	$454.5K 20.1K shares
Ellevest, Inc. RIA/Wealth	$448.4K 19.9K shares
Schonfeld Strategic Advisors LLC Hedge Fund•Multi-Strategy	$343.2K 15.2K shares

Options Activity

Institutions with the largest Call and Put options positions in UCTT as of Q3 2025

Call Positions: 5
Call Value: $2.3M
Put Positions: 5
Put Value: $2.4M

Call Positions

Institution	Position Value
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$1.1M 420.0 contracts
J JANE STREET GROUP, LLC Institution	$504.1K 185.0 contracts
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$425.1K 156.0 contracts
Walleye Trading Advisors, LLC Hedge Fund•Multi-Strategy	$264.3K 97.0 contracts
W WOLVERINE TRADING, LLC Institution	- - contracts

Put Positions

Institution	Position Value
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$1.2M 444.0 contracts
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$553.2K 203.0 contracts
W WOLVERINE TRADING, LLC Institution	$327.2K 122.0 contracts
J JANE STREET GROUP, LLC Institution	$291.6K 107.0 contracts
Walleye Trading Advisors, LLC Hedge Fund•Multi-Strategy	$38.2K 14.0 contracts

Most Committed Institutions

Institutions with UCTT as the highest % of their portfolio as of Q3 2025

Institution	Key People	Portfolio Weight	Ownership	Owned Since	Total AUM (Long)
D Divisar Capital Management LLC Hedge Fund•Long/Short	Steven Richard Baughman CEO	7.80% $28.7M	2.32% 1.1M shares	Q3 2018 Held for 7y 2m	$367.6M
SHAPIRO CAPITAL MANAGEMENT CO INC Long Only Manager	Louis Steven Shapiro President	4.53% $100.6M	8.14% 3.7M shares	Q2 2022 Held for 3y 5m	$2.2B
Goodman Financial CORP RIA/Wealth	Steven Robert Goodman President	2.85% $14.7M	1.19% 538.0K shares	Q4 2024 Held for 11 months	$513.7M
Optimize Financial Inc RIA/Wealth	Casey Elizabeth Witters CEO	0.80% $1.5M	0.12% 56.5K shares	Q3 2025 Held for 2 months	$192.0M
PARADIGM CAPITAL MANAGEMENT INC/NY Long Only Manager	Candace King Weir CEO	0.78% $17.9M	1.45% 658.2K shares	Q2 2014 Held for 11y 5m	$2.3B
FRONTIER CAPITAL MANAGEMENT CO LLC Long Only Manager	William Allen Teichner Managing Partner	0.74% $82.7M	6.69% 3.0M shares	Q4 2022 Held for 2y 11m	$11.1B
Bridge City Capital, LLC Long Only Manager	Alexander Jackson Woodward President	0.68% $2.6M	0.21% 93.9K shares	Q4 2024 Held for 11 months	$374.5M
G GRACE & WHITE INC /NY RIA/Wealth	Marc Emil Ravitz President	0.65% $3.1M	0.25% 114.5K shares	Q1 2025 Held for 8 months	$481.2M
OBERWEIS ASSET MANAGEMENT INC/ Long Only Manager	James Walter Oberweis President	0.64% $16.7M	1.35% 613.3K shares	Q4 2019 Held for 5y 11m	$2.6B
A AWM Investment Company, Inc. Hedge Fund•Event Driven	David Michael Greenhouse President	0.36% $3.8M	0.31% 140.4K shares	Q4 2014 Held for 10y 11m	$1.1B

Hedge Fund Spotlight

Discover hedge funds investing in UCTT

Numerai GP LLC

Hedge Fund • Quant

Portfolio ManagerRichard Malone Craib

Portfolio Value: $707.9M
Positions: 545
Last Reported: Q3 2025

Sector Allocation

Position in Ultra Clean Holdings

Market Value: $1.4M
Shares Held: 49.5K
Portfolio Weight: 0.19%
Owned Since: 2025-Q2

Top Holding	Sector	Market Value	Weight
1 Costco Wholesale COST	Discount Stores Consumer Defensive	$11.8M	1.66%
2 Manulife Financial MFC	Insurance - Life Financial Services	$10.2M	1.44%
3 IDEX IEX	Industrial - Machinery Industrials	$10.1M	1.43%