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WESTFIELD CAPITAL MANAGEMENT CO LP

Position in MLI — Mueller Industries Inc

CIK 1177719 BOSTON, MA

Position in MLI

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$15,463,487
+$1,496,150 QoQ
Shares Held
251,582
-0.2% QoQ
Ownership
0.114%
of shares outstanding
% of Portfolio
0.05%
of 13F equity value
Holder Rank
#97
of 737 holders
Holding Since
Jun 2023
13 quarters on record
Voting authority Sole 72% Shared 0% None 28%

Common Shares in MLI Over Time

Shares Held

Position Value (USD)

Position in Metal Fabrication

Industrials · as of Jun 30, 2026

WESTFIELD CAPITAL MANAGEMENT CO LP holds $209,201,827 across 2 Metal Fabrication names. MLI ranks #2 (7.4% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 MLI
Mueller Industries Inc
This page
251,582 $15,463,487

All Filings in MLI

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13 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $15,463,487 125,791
2026-03-31 $13,967,337 126,059
2025-12-31 $14,341,619 124,927
2025-09-30 $12,925,396 127,835
2025-06-30 $12,055,678 151,701
2025-03-31 $12,823,803 168,424
2024-12-31 $14,002,992 176,449
2024-09-30 $13,534,216 182,648
2024-06-30 $10,220,730 179,500
2024-03-31 $9,106,026 168,849
2023-12-31 $7,502,979 159,130
2023-09-30 $5,572,512 74,142
2023-06-30 $6,018,828 68,960