Ultra Clean Holdings, Inc. - Common stock, par value $0.001 per share (UCTT)

Q: What does CUSIP 90385V107 represent in this 13F holders report?

CUSIP 90385V107 is the security identifier for UCTT - Ultra Clean Holdings, Inc. - Common stock, par value $0.001 per share used to aggregate holder disclosures.

Q: How many institutions held UCTT - Ultra Clean Holdings, Inc. - Common stock, par value $0.001 per share in Q2 2018?

174 institutional investors reported UCTT - Ultra Clean Holdings, Inc. - Common stock, par value $0.001 per share for Q2 2018. Use the holders table for investor-level position and value details.

CUSIP: 90385V107

Q2 2018 13F Holders as of 30 Jun 2018

Security type / class: Equity / Common stock, par value $0.001 per share
Total 13F shares: 32,205,945
Total 13F value: $534,452,265
Share change: -1,484,283
Put/Call ratio: 154%
SEC-reported price per share: $16.60
Number of holders: 174
Value change: -$33,721,849
Number of buys: 94
Number of sells: 82
Shares outstanding: 45,482,214

Security key

90385V107

Report period

Q2 2018

Institutions

174

Top holders

UCTT full security history Ownership snapshot Full 13F holder table Newer quarter: Q3 2018 Previous quarter: Q1 2018 Ultra Clean Holdings, Inc. SEC filings Ultra Clean Holdings, Inc. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 90385V107

Newer quarter: Q3 2018 Previous quarter: Q1 2018

Recent filing periods:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Ownership snapshot

Top reported holders of UCTT - Ultra Clean Holdings, Inc. - Common stock, par value $0.001 per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

BlackRock Finance, Inc.

Disclosed value leader

BlackRock Finance, Inc.

Comparable rows

15/15

Latest evidence

31 Mar 2018

13F Lead comparable stake: 11% Showing 1-6 of 15 holder rows.

Quick read

BlackRock Finance, Inc. leads the comparable SEC ownership view at 11%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens BlackRock Finance, Inc.'s linked filing trail.

Comparable ownership Top 5

BlackRock Finance, Inc. 11%

VANGUARD GROUP INC 8.3%

DIMENSIONAL FUND ADVISORS LP 5.2%

State of New Jersey Common Pensio... 2.9%

AWM Investment Company, Inc. 2.2%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
BlackRock Finance, Inc.	13F Company 13F	11%	$96,775,000 5,027,283 shares	—	31 Mar 2018
VANGUARD GROUP INC	13F Company 13F	8.3%	$72,440,000 3,763,114 shares	—	31 Mar 2018
DIMENSIONAL FUND ADVISORS LP	13F Company 13F	5.2%	$45,395,000 2,358,185 shares	—	31 Mar 2018
State of New Jersey Common Pension Fund D	13F Company 13F	2.9%	$25,025,000 1,300,000 shares	—	31 Mar 2018
AWM Investment Company, Inc.	13F Company 13F	2.2%	$18,961,000 985,000 shares	—	31 Mar 2018
STATE STREET CORP	13F Company 13F	2.1%	$18,746,000 973,826 shares	—	31 Mar 2018

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q2 2018

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

174

32,205,945

Rows available

174

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q2 2018 vs Q1 2018 Across Filers

Q1 2018 holders

192

Q2 2018 holders

174

Holder diff

-18

Investor	Q1 2018 Shares	Q2 2018 Shares	Share Diff	Share Chg %	Q1 2018 value	Q2 2018 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend