Summit Partners

PE / buyout · Boston, Massachusetts

Founded in 1984, Summit Partners is a private equity firm based in Boston, Massachusetts. 30 portfolio companies, 3 recorded rounds and 1 fund are on record.

AUM

$45.0B

Portfolio companies

Recorded deals

1 in last 12M

Last investment

Aug 2026

Deal history

3 participations

Date	Company	Round	Raised	Post-money	Role
Aug 2026	Socure	Series E	▮	▮	▮
Oct 2022	onXmaps	Series B	▮	▮	▮
Feb 2018	onXmaps	Series A	▮	▮	▮
All 3 deals — valuations, dates and lead flags are a member feature The whole book · Pro $99 a month Membership and data by Private Market View

Investment activity

Summit Partners joined 1 recorded round in the last two years. By year: 1 in 2026, 1 in 2022 and 1 in 2018. Summit Partners is recorded as lead on 3 of them. 1 round landed in the last 90 days. Most recently: Socure (Series E, Aug 2026) and onXmaps (Series B, Oct 2022).

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