Westfield Capital Management CO LP Portfolio Holdings

Westfield Capital Management CO LP

  • $21.9 Billion
  • Q3 2025

Westfield Capital Management CO LP has filed its 13F form on November 10, 2025 for Q3 2025 where it was disclosed a total value porftolio of $21.9 Billion distributed in 235 stocks.

Among their holdings, we can observe that their the top five positions include companies like: Nvidia Corp with a value of $1.21B, Ascendis Pharma A/S with a value of $1.05B, Microsoft Corp with a value of $883M, Apple Inc. with a value of $849M, and Comfort Systems Usa Inc with a value of $688M.

Examining the 13F form we can see an increase of $2.6B in the current position value, from $19.3B to 21.9B.

Westfield Capital Management CO LP is based out at Boston, MA

Below you can find more details about Westfield Capital Management CO LP portfolio as well as his latest detailed transactions.

Portfolio value $21.9 Billion
Technology: $7.05 Billion
Industrials: $4.12 Billion
Healthcare: $3.76 Billion
Communication Services: $2.19 Billion
Financial Services: $2.19 Billion
Consumer Cyclical: $2 Billion
Energy: $238 Million
Consumer Defensive: $156 Million
Other: $239 Million

Stock Holdings Table ETFs Only

Stock Market Cap. Holding Value (Reported) # of Shares. Last Trade Trade History
$24.1B
$710,000 0.0% of portfolio
16,760
Q4 2024 New
$0
$205,000 0.0% of portfolio
1,441
Q3 2025 Reduced 63.18%

Summary

  • Portfolio
  • No. of Stocks 235
  • Current Value $21.9 Billion
  • Prior Value $19.3 Billion
  • Filing
  • Period Q3 2025
  • Filing Date November 10, 2025
  • Form Type 13F-HR
  • Activity in Q3 2025
  • New Purchases 68 stocks
  • Additional Purchases 62 stocks
  • Sold out of 0 stocks
  • Reduced holdings in 95 stocks
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