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WESTFIELD CAPITAL MANAGEMENT CO LP

Position in ASML — Asml Holding NV

CIK 1177719 BOSTON, MA

Position in ASML

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$114,253,533
-$9,381,602 QoQ
Shares Held
57,430
-61.3% QoQ
Ownership
0.015%
of shares outstanding
% of Portfolio
0.38%
of 13F equity value
Holder Rank
#142
of 2,476 holders
Holding Since
Jun 2024
3 quarters on record
Voting authority Sole 79% Shared 0% None 21%

Common Shares in ASML Over Time

Shares Held

Position Value (USD)

Position in Semiconductor Equipment & Materials

Technology · as of Jun 30, 2026

WESTFIELD CAPITAL MANAGEMENT CO LP holds $628,046,750 across 6 Semiconductor Equipment & Materials names. ASML ranks #3 (18.2% of the industry book) .

# Ticker Company Shares Value (USD) Open
3 ASML
Asml Holding NV
This page
57,430 $114,253,533

All Filings in ASML

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3 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $114,253,533 57,430
2024-09-30 $123,635,135 148,377
2024-06-30 $67,030,746 65,541