Westfield Capital Management CO LP Portfolio Holdings

Westfield Capital Management CO LP

  • $19.3 Billion
  • Q1 2025

Westfield Capital Management CO LP has filed its 13F form on May 09, 2025 for Q1 2025 where it was disclosed a total value porftolio of $19.3 Billion distributed in 244 stocks.

Among their holdings, we can observe that their the top five positions include companies like: Ascendis Pharma A/S with a value of $854M, Nvidia Corp with a value of $795M, Apple Inc. with a value of $756M, Microsoft Corp with a value of $688M, and Amazon Com Inc with a value of $659M.

Examining the 13F form we can see an decrease of $2.25B in the current position value, from $21.6B to 19.3B.

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 $19.3 Billion
Technology: $6.09 Billion
Healthcare: $3.38 Billion
Industrials: $3.08 Billion
Financial Services: $2.39 Billion
Consumer Cyclical: $2.05 Billion
Communication Services: $1.53 Billion
Consumer Defensive: $287 Million
Energy: $285 Million
Other: $240 Million

Stock Holdings Table

Stock Market Cap. Holding Value (Reported) # of Shares. Last Trade Trade History
$23B
$4.27 Million 0.02% of portfolio
43,566
Q1 2025 Reduced 95.59%
$285M
$2.21 Million 0.01% of portfolio
407,328
Q1 2025 Added 5.93%
$226B
$967,000 0.01% of portfolio
210
Q2 2023 New
$368B
$2.56 Million 0.01% of portfolio
6,978
Q1 2025 Reduced 2.19%
$182B
$1.16 Million 0.01% of portfolio
2,339
Q1 2025 Reduced 8.24%
$12.6B
$1.92 Million 0.01% of portfolio
31,750
Q4 2024 Reduced 94.48%
$59B
$1.13 Million 0.01% of portfolio
5,948
Q1 2025 Reduced 97.83%
$79.2B
$2.43 Million 0.01% of portfolio
9,808
Q1 2025 Reduced 5.19%
Arista Networks Inc
-
$0 0.0% of portfolio
-
Q1 2025 New
Astera Labs Inc
-
$0 0.0% of portfolio
-
Q1 2025 New
$166B
$748,000 0.0% of portfolio
5,159
Q1 2025 Reduced 14.53%
$253B
$825,000 0.0% of portfolio
3,320
Q1 2025 Reduced 93.44%
$213B
$865,000 0.0% of portfolio
1,410
Q2 2022 Reduced 98.99%
$1.84B
$189,000 0.0% of portfolio
21,665
Q1 2025 Reduced 99.42%
Wns Hldgs LTD
-
$0 0.0% of portfolio
-
Q1 2025 New
Lenz Therapeutics Inc
-
$0 0.0% of portfolio
-
Q1 2025 New
Lam Research Corp
-
$0 0.0% of portfolio
-
Q1 2025 Reduced 41.4%
$118B
$610,000 0.0% of portfolio
313
Q1 2025 Added 6.46%
$0
$459,000 0.0% of portfolio
3,914
Q1 2025 Added 135.64%
$18.2B
$519,000 0.0% of portfolio
16,760
Q4 2024 New
-
$0 0.0% of portfolio
-
Q1 2025 Reduced 30.87%
Atlassian Corporation
-
$0 0.0% of portfolio
-
Q1 2025 Added 15.46%
Nextracker Inc
-
$0 0.0% of portfolio
-
Q1 2025 Added 2.77%
$3.84B
$666,000 0.0% of portfolio
5,200
Q3 2024 Reduced 94.0%
$3.47B
$258,000 0.0% of portfolio
5,076
Q1 2025 New
Birkenstock Holding PLC
-
$0 0.0% of portfolio
-
Q1 2025 New
Soleno Therapeutics Inc
-
$0 0.0% of portfolio
-
Q1 2025 Added 37.41%
$79.5B
$206,000 0.0% of portfolio
1,650
Q1 2025 New
Sharkninja Inc
-
$0 0.0% of portfolio
-
Q1 2025 Reduced 0.72%
Coherent Corp
-
$0 0.0% of portfolio
-
Q1 2025 New
$8.17B
$505,000 0.0% of portfolio
8,560
Q1 2025 New
Ftai Aviation LTD
-
$0 0.0% of portfolio
-
Q1 2025 Reduced 23.96%
Talen Energy Corp
-
$0 0.0% of portfolio
-
Q1 2025 Reduced 25.31%
Celestica Inc
-
$0 0.0% of portfolio
-
Q1 2025 New
-
$0 0.0% of portfolio
-
Q1 2021 Reduced 93.85%
$104B
$562,000 0.0% of portfolio
1,671
Q1 2025 Reduced 5.0%
$0
$430,000 0.0% of portfolio
1,192
Q1 2025 Reduced 85.52%
Genedx Holdings Corp
-
$0 0.0% of portfolio
-
Q1 2025 New
Ge Vernova Inc
-
$0 0.0% of portfolio
-
Q1 2025 Reduced 16.19%
Ge Healthcare Technologies I
-
$0 0.0% of portfolio
-
Q1 2025 Reduced 0.57%
$150B
$506,000 0.0% of portfolio
5,025
Q1 2025 Added 17.41%
$41.8B
$595,000 0.0% of portfolio
4,325
Q1 2025 New
$21.6B
$568,000 0.0% of portfolio
10,640
Q1 2025 New

Summary

  • Portfolio
  • No. of Stocks 244
  • Current Value $19.3 Billion
  • Prior Value $21.6 Billion
  • Filing
  • Period Q1 2025
  • Filing Date May 09, 2025
  • Form Type 13F-HR
  • Activity in Q1 2025
  • New Purchases 46 stocks
  • Additional Purchases 76 stocks
  • Sold out of 0 stocks
  • Reduced holdings in 111 stocks
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