Skip to main content
Equibles

HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND

Pension

Position in UCTT — Ultra Clean Holdings, Inc.

CIK 1535845 TORONTO, A6
Back to UCTT Full portfolio

Position in UCTT

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$27,571,915
+$23,841,115 QoQ
Shares Held
193,365
+222.3% QoQ
Ownership
0.427%
of shares outstanding
% of Portfolio
0.05%
of 13F equity value
Holder Rank
#49
of 438 holders
Holding Since
Dec 2020
8 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in UCTT Over Time

Shares Held

Position Value (USD)

Position in Semiconductor Equipment & Materials

Technology · as of Jun 30, 2026

HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND holds $2,699,022,137 across 16 Semiconductor Equipment & Materials names. UCTT ranks #10 (1.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 KLAC
Kla Corp
 3,176,787 $958,468,405
2 AMAT
Applied Materials Inc /De
 1,030,429 $745,000,167
3 LRCX
Lam Research Corp
 881,506 $381,982,994
4 ASML
Asml Holding NV
 121,053 $240,827,668
5 TER
Teradyne, Inc
 191,153 $92,487,467
6 ENTG
Entegris Inc
 393,000 $70,684,980
7 NVMI
Nova Ltd.
 86,875 $47,167,912
8 AXTI
Axt Inc
 615,377 $44,356,374

All Filings in UCTT

Export CSV
8 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $27,571,915 193,365
2026-03-31 $3,730,800 60,000
2025-12-31 $1,519,800 60,000
2025-09-30 $1,635,000 60,000
2023-12-31 $153,630 4,500
2023-09-30 $267,030 9,000
2023-06-30 $346,140 9,000
2020-12-31 $1,021,720 32,800