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WESTFIELD CAPITAL MANAGEMENT CO LP

Position in HWM — Howmet Aerospace Inc.

CIK 1177719 BOSTON, MA

Position in HWM

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$516,608,037
-$11,075,533 QoQ
Shares Held
1,921,476
-16.1% QoQ
Ownership
0.482%
of shares outstanding
% of Portfolio
1.70%
of 13F equity value
Holder Rank
#33
of 1,606 holders
Holding Since
Mar 2025
6 quarters on record
Voting authority Sole 74% Shared 0% None 26%

Common Shares in HWM Over Time

Shares Held

Position Value (USD)

Position in Aerospace & Defense

Industrials · as of Jun 30, 2026

WESTFIELD CAPITAL MANAGEMENT CO LP holds $2,713,893,377 across 10 Aerospace & Defense names. HWM ranks #3 (19.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
3 HWM
Howmet Aerospace Inc.
This page
1,921,476 $516,608,037

All Filings in HWM

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6 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $516,608,037 1,921,476
2026-03-31 $527,683,570 2,289,697
2025-12-31 $454,965,007 2,219,125
2025-09-30 $393,922,502 2,007,453
2025-06-30 $356,616,704 1,915,955
2025-03-31 $147,251,204 1,135,059