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WELLINGTON MANAGEMENT GROUP LLP

Position in UCTT — Ultra Clean Holdings, Inc.

CIK 902219 Boston, MA

Position in UCTT

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$7,670,771
-$18,348,866 QoQ
Shares Held
53,796
-89.9% QoQ
Ownership
0.119%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#88
of 438 holders
Holding Since
Mar 2020
8 quarters on record
Voting authority Sole 0% Shared 57% None 43%

Common Shares in UCTT Over Time

Shares Held

Position Value (USD)

Position in Semiconductor Equipment & Materials

Technology · as of Jun 30, 2026

WELLINGTON MANAGEMENT GROUP LLP holds $8,269,010,880 across 18 Semiconductor Equipment & Materials names. UCTT ranks #18 (0.1% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in UCTT

Export CSV
8 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $7,670,771 53,796
2024-06-30 $26,019,637 531,013
2024-03-31 $24,395,516 531,030
2022-03-31 $621,479 14,661
2020-12-31 $361,214 11,596
2020-09-30 $571,200 26,617
2020-06-30 $1,101,763 48,686
2020-03-31 $1,132,233 82,046