United States · Venture startup

Who invested in Nanostim

5 rounds we have observed, with the 3 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.

Medical Devices

Funding summaryUpdated 31 Oct 2026

$38Mraised across 5 rounds since 2011, from 5 sources

$1.0MVenture$12MVenture$5.0MDebt$10MVenture$9.5MVenture
Latest round
Venture, $9.5MMay 2013
Biggest round
$12MVenture · Apr 2011
Investors
3
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
$1.0MVenture$12MVenture$10MVenture$9.5MVenture
First round
Venture, $1.0M
Feb 2011
Biggest round
$12M
Venture · Apr 2011
Usual gap between rounds
6 months
the median of 3

The rounds

  1. May 2013
    Venture$9.5M3 returning

    From a historical funding recordSEC filing: $9.5M sold, first sale Apr 2013

  2. Oct 2012
    Venture$10M3 new

    Reported by researchviews.comSEC filing: $10M sold, first sale Oct 2012

  3. Apr 2011
    Venture$12M

    No investor was named in the report.

    Reported by sec.govSEC filing: $12M sold, first sale Apr 2011

  4. Apr 2011
    Debt$5.0M

    No investor was named in the report.

    Reported by sec.govSEC filing: $12M sold, first sale Apr 2011

  5. Feb 2011
    Venture$1.0M

    No investor was named in the report.

    Reported by sec.govSEC filing: $1.0M sold, first sale Jan 2011

Founders and team

From the SEC filings it signed: 3 on the team.

  • Alan JacobsonExecutive Officeri
  • Alan OstroffExecutive Officeri
  • Drew HoffmannExecutive Officer, Directori

On the board, as filediAllan MayCasey TanseyMichael SweeneyPhilip Gianos

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.

Venture2011Venture2011Debt2011Venture2012Venture2013U.S. Venture PartnersInterWest PartnersEmergent Medical Partners

Everyone who backed them

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

Quick answers about Nanostim

Who invested in Nanostim?

Nanostim's investors include U.S. Venture Partners, InterWest Partners and Emergent Medical Partners.

How much has Nanostim raised?

Nanostim has raised $38M across 5 rounds since 2011.

When did Nanostim last raise?

Nanostim's most recent round was a Venture of $9.5M in May 2013.

What was Nanostim's biggest round?

Nanostim's largest round on record is $12M (Venture), in Apr 2011.

Who backed Nanostim first?

Nanostim's first round on record, in Oct 2012, was backed by U.S. Venture Partners, InterWest Partners and Emergent Medical Partners.

What stage is Nanostim at?

Nanostim's latest named round is a Venture, in May 2013.

Where is Nanostim based?

Nanostim is based in the United States.

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

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