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WESTFIELD CAPITAL MANAGEMENT CO LP

Position in APG — APi Group Corp

CIK 1177719 BOSTON, MA

Position in APG

as of Mar 31, 2026 · filed May 11, 2026
Position Value
$187,807,323
+$55,681,961 QoQ
Shares Held
4,634,929
+34.2% QoQ
Ownership
1.07%
of shares outstanding
% of Portfolio
0.79%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Dec 2025
2 quarters on record
Voting authority Sole 82.008656443281.ToString("F0")% Shared 0.ToString("F0")% None 17.99134355671899.ToString("F0")%

Common Shares in APG Over Time

Shares Held

Position Value (USD)

Position in Engineering & Construction

Industrials · as of Mar 31, 2026

WESTFIELD CAPITAL MANAGEMENT CO LP holds $1,570,267,713 across 7 Engineering & Construction names. APG ranks #2 (12.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 APG
APi Group Corp
This page
4,634,929 $187,807,323

All Filings in APG

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2 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $187,807,323 4,634,929
2025-12-31 $132,125,362 3,453,355