UCTT

ULTRA CLEAN HOLDINGS INC
USCUSIP 90385V107
Institutional Owners
106
+35 QoQ
13F Value Held
$822.2M
Insider Net · 180d
$0
0↑ 0↓
Recent Filings
0
Smart-money sentimentBullish
BearishBullish
13F funds (latest Q)59 adding · 30 trimming
Insider net (180d)+$0
Price history not yet available for UCTT.

Top institutional holders

106 13F filers
#FundPosition valueSharesLast moveAs of
1VANGUARD PORTFOLIO MANAGEMENT LLC
$174.2M
2.80MNewQ1 2026
2VANGUARD CAPITAL MANAGEMENT LLC
$119.2M
1.92MNewQ1 2026
3STATE STREET CORP
$114.3M
1.84MReducedQ1 2026
4FRONTIER CAPITAL MANAGEMENT CO LLC
$111.1M
1.79MReducedQ1 2026
5OBERWEIS ASSET MANAGEMENT INC/
$39.8M
640.5KAddedQ1 2026
6PARADIGM CAPITAL MANAGEMENT INC/NY
$37.8M
608.2KHeldQ1 2026
7FULLER & THALER ASSET MANAGEMENT, INC.
$29.5M
475.1KAddedQ1 2026
8PINNACLE ASSOCIATES LTD
$27.5M
441.7KReducedQ1 2026
9First Eagle Investment Management, LLC
$27.0M
434.0KNewQ1 2026
10VANGUARD FIDUCIARY TRUST CO
$18.2M
292.8KNewQ1 2026
11PUBLIC SECTOR PENSION INVESTMENT BOARD
$17.2M
277.4KAddedQ1 2026
12MetLife Investment Management, LLC
$16.7M
267.9KAddedQ1 2026
13Dana Investment Advisors, Inc.
$15.5M
249.4KReducedQ1 2026
14Universal- Beteiligungs- und Servicegesellschaft mbH
$6.6M
106.2KAddedQ1 2026
15WINTON GROUP Ltd
$6.5M
104.2KAddedQ1 2026
16CASTLEARK MANAGEMENT LLC
$6.2M
100.1KNewQ1 2026
17Calamos Advisors LLC
$4.3M
69.4KNewQ1 2026
18CITADEL ADVISORS LLC
$4.3M
68.4KAddedQ1 2026
19BOOTHBAY FUND MANAGEMENT, LLC
$2.8M
44.6KNewQ1 2026
20INTECH INVESTMENT MANAGEMENT LLC
$2.6M
41.5KAddedQ1 2026
21Liontrust Investment Partners LLP
$2.4M
38.8KNewQ1 2026
22TUDOR INVESTMENT CORP ET AL
$2.3M
37.6KNewQ1 2026
23Portolan Capital Management, LLC
$2.1M
33.7KNewQ1 2026
24Trexquant Investment LP
$2.1M
33.5KReducedQ1 2026
25Point72 Asset Management, L.P.
$1.9M
30.0KNewQ1 2026

Fund activity — latest quarter

Opened (NEW)
42
funds
Added
17
funds
Reduced
30
funds
Exited
0
funds

Insider activity (Form 4)

No Form 4 insider transactions on file yet.

Institutional ownership over time

99 funds+98 since Q2 2022
05099Q2 2022Q1 2023Q4 2023Q3 2024Q2 2025Q1 2026
funds holding aggregate valuelatest $659M

Funds that own UCTT also own

CompanyCo-held byCombined value
Microsoft CorporationMSFT96 funds$156.4B
Amazon.com, Inc.AMZN92 funds$112.6B
GOOGLE INCGOOGL92 funds$92.9B
Broadcom LtdAVGO92 funds$81.2B
Meta Platforms, Inc.META92 funds$70.9B
Micron Technology Inc - USMU92 funds$25.1B
Nvidia Corp. (US)NVDA90 funds$231.4B
Apple, Inc.AAPL90 funds$200.8B
Unitedhealth Group Inc - USUNH90 funds$16.2B
Tesla Inc - USTSLA89 funds$55.0B
Jpmorgan Chase & Co - USJPM89 funds$49.9B
Lam Research CorporationLRCX89 funds$17.1B

Ranked by how many of UCTT's institutional holders also hold each name — a cross-fund conviction signal. Via the MCP server (ticker.co_held).

Recent filings

0 shown

No filings captured for this ticker in the live stream yet.

13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for UCTT. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes. Every panel above is one call to the Arkolith API & MCP server.