WESTFIELD CAPITAL MANAGEMENT CO LP — 13F holdings

WESTFIELD CAPITAL MANAGEMENT CO LP reported 278 holdings worth $30.6B in its 13F filing for Q2 2026, filed August 12, 2026.

Largest positions

  1. NVDA NVIDIA CORPORATION — $1.62B (5.3%)
  2. GOOGL ALPHABET INC — $1.34B (4.4%)
  3. ASND ASCENDIS PHARMA A/S — $1.28B (4.2%)
  4. AXON AXON ENTERPRISE INC — $836M (2.7%)
  5. FTAI FTAI AVIATION LTD — $795M (2.6%)
  6. AAPL APPLE INC — $745M (2.4%)
  7. FIX COMFORT SYS USA INC — $704M (2.3%)
  8. AVGO BROADCOM INC — $588M (1.9%)
  9. MSFT MICROSOFT CORP — $528M (1.7%)
  10. HWM HOWMET AEROSPACE INC — $517M (1.7%)