Golden Door Asset
Census

Generalist · Boston, MA

Westfield Capital Management CO

Q3 2025 · compared with Q2 2025

Filed as Westfield Capital Management CO LP

Software
$3.3B
Weight of 13F
13.8%
Names
30
Net bought
−$113M

Filed 12 November 2025 · SEC filing.

235 positions in the whole 13F.

Quarters on file

Each quarter on file, back to June 2016 when the filing exists. Net bought is the share change from the previous quarter at that quarter’s close. A split that leaves the dollar value in place counts as flat.

What moved the book

The five software lines with the largest share change this quarter.

Software held