United States · Venture startup

Who invested in Intersect ENT

3 rounds we have observed, with the 6 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Funding summaryUpdated 26 Oct 2026

$79Mraised across 3 rounds since 2010, from 3 sources

$31MVenture$30MSeries D$18MVenture
Latest round
Venture, $18MFeb 2013
Biggest round
$31MVenture · Oct 2010
Investors
6
See who backed them

The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

201120122013
$31MVenture$30MSeries D$18MVenture
First round
Venture, $31M
Oct 2010
Biggest round
$31M
Venture · Oct 2010
Between rounds
2.3 years
from the last two

The rounds

  1. Feb 2013
    Venture$18M

    No investor was named in the report.

    Reported by sec.govSEC filing: $18M sold, first sale Feb 2013

  2. Feb 2013
    Series D$30M1 new4 returning

    Reported by techcrunch.comSEC filing: $18M sold, first sale Feb 2013

  3. Oct 2010
    Venture$31M5 new

    Reported by sec.govSEC filing: $16M sold, first sale Oct 2010

Who was in which round

The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.

Venture2010Series D2013Venture2013Kleiner Perkins Caufield & ByersNorwest Venture PartnersU.S. Venture PartnersPTV SciencesMedtronicHarmony Partners

Everyone who backed them

Kleiner Perkins Caufield & ByersVC firm2rounds
Norwest Venture PartnersVC firm2rounds
U.S. Venture PartnersVC firm2rounds
PTV SciencesVC firm2rounds
MedtronicGrowth equity1round
Harmony PartnersVC firm1round

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

Quick answers about Intersect ENT

Who invested in Intersect ENT?

Intersect ENT's investors include Kleiner Perkins Caufield & Byers, Norwest Venture Partners, U.S. Venture Partners, PTV Sciences and Medtronic, and 1 more on record.

How much has Intersect ENT raised?

Intersect ENT has raised $79M across 3 rounds since 2010.

When did Intersect ENT last raise?

Intersect ENT's most recent round was a Venture of $18M in Feb 2013.

What was Intersect ENT's biggest round?

Intersect ENT's largest round on record is $31M (Venture), in Oct 2010.

Who backed Intersect ENT first?

Intersect ENT's first round on record, in Oct 2010, was backed by Kleiner Perkins Caufield & Byers, Norwest Venture Partners and U.S. Venture Partners and 2 others.

What stage is Intersect ENT at?

Intersect ENT's latest named round is a Venture, in Feb 2013.

Where is Intersect ENT based?

Intersect ENT is based in the United States.

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