13F Insight
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DOSSIER · 13F-HR · Q2 2026

WESTFIELD CAPITAL MANAGEMENT CO LP

$30.6B in tracked AUM across 278 positions as of Q2 2026.

WC
CIK 0001177719 · last filed Jun 30, 2026
Total AUM
$30.6B
as of Q2 2026
Holdings
278
—
positions
Whale Score
67
67
tracked
Activity
—
no data
changes this Q

Top 10 holdings

By portfolio weight as of Q2 2026.

#HoldingValueSharesWeight
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Filing history

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