United States · Venture startup

Who invested in Portside

One round we have observed, with the 5 investors named in it. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Aerospace & Space

Raised 8 months ago

Funding summaryUpdated 26 Oct 2026

Undisclosedraised across 1 round since 2026, from 1 source

Latest round
VentureMar 2026
Investors
5
See who backed them

The rounds

  1. Mar 2026

Everyone who backed them

Insight PartnersVC firm1round
Quiet CapitalVC firm1round
Builders VCVC firm1round
Vista Equity PartnersPrivate equity1round

Missing a round, or an investor who was in one? Tell us.

Also claim to have backed them

These 4 firms list Portside as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.

Incisive VenturesVC firmPer its own site
J17 VenturesVC firmPer its own site
Locus VenturesVC firmPer its own site
SAV (Scale Asia Ventures)VC firmPer its own site

Quick answers about Portside

Who invested in Portside?

Portside's investors include Tiger Global Management, Insight Partners, Quiet Capital, Builders VC and Vista Equity Partners.

How much has Portside raised?

Portside has raised 1 round since 2026, none with a disclosed amount.

When did Portside last raise?

Portside's most recent round was a Venture in Mar 2026.

Who backed Portside first?

Portside's first round on record, in Mar 2026, was backed by Tiger Global Management, Insight Partners and Quiet Capital and 2 others.

What stage is Portside at?

Portside's latest named round is a Venture, in Mar 2026.

Where is Portside based?

Portside is based in the United States.

Companies like Portside

In the same sector, and raised in the last eighteen months.

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