Westlake Funding History

Since Westlake was founded in 1986, it has participated in 2 rounds of funding. In total Westlake has raised $920.6M. Westlake's last funding round was on Nov 2025 for a total of $750.0M.

Westlake Funding Rounds

ROUND

FUNDING DATE

AMOUNT

NUMBER OF INVESTORS

INVESTORS

Post-IPO Debt
Nov 2025
$750M
__
IPO
Aug 2004
$170.6M
1