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Venture Capital
interwest.com

Investments

752

Portfolio Exits

185

Funds

17

Service Providers

1

About InterWest Partners

InterWest Partners is a Silicon Valley based VC firm. InterWest focuses primarily on providing venture capital to early stage companies. This includes, per the firm, funding company building, including de novo company formation at the firm. On the life sciences side, InterWest offers venture capital to an array of early-stage companies, including funding preclinical companies. The firm will also consider investing in - or starting in house - new companies around clinical or commercial stage assets. On the IT side, InterWest provides venture capital to early-stage companies with near-term ROI-based value propositions. The firm typically favors funding development stage companies. InterWest invests an average of about $10 - 15 million of venture capital over the span of their involvement with each company in their portfolio.

Headquarters Location

2710 Sand Hill Road Suite 200

Menlo Park, California, 94025,

United States

650-854-8585

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Expert Collections containing InterWest Partners

Expert Collections are analyst-curated lists that highlight the companies you need to know in the most important technology spaces.

Find InterWest Partners in 2 Expert Collections, including Unicorns- Billion Dollar Startups.

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Unicorns- Billion Dollar Startups

115 items

F

Fitness Tech

227 items

We define fitness tech as companies leveraging software and technology to augment approaches to developing or maintaining physical fitness. Companies in this category develop tools and services including workout apps, wearables, and connected fitness equipment.

Latest InterWest Partners News

30 Jan 1995 Executive Summary CORIXA SECURES $15 MILL. initial venture capital financing round; Muc-1 antigen in Phase I for cancers

Nov 9, 2022

IN INITIAL ROUND OF VENTURE CAPITAL FUNDING under the stewardship of President and CEO Steven Gillis, PhD. The private financing was provided by five West Coast venture firms: Enterprise Partners (Newport Beach, Calif.), Interwest Partners (Menlo Park, Calif.), Olympic Venture Partners (Kirkland, Wash.), Forward Ventures (San Diego) and Kleiner Perkins Caufield and Byers (Menlo Park). Gillis was the founder of Immunex and served as the Seattle-based biotech's exec VP-R&D. Corixa, also based in Seattle, was founded in September 1994. Gillis was acting CEO of Immunex following its merger with Lederle in 1993. He resumed his exec VP duties when Lederle exec Edward Fritzby was named Immunex chairman and CEO in January 1994. You may also be interested in...  All fields are required. For multiple recipients, separate email addresses with a semicolon. Please make sure all fields are completed. Please enter a valid e-mail address Please make sure you have filled out all fields Please make sure you have filled out all fields Subject: Corixa completes $15 mil. Add a personalized message to your email Cancel Send Please Note: Only individuals with an active subscription will be able to access the full article. All other readers will be directed to the abstract and would need to subscribe. Sign In To Set a Search Alert Finish creating your saved search alert after you sign in

InterWest Partners Investments

752 Investments

InterWest Partners has made 752 investments. Their latest investment was in GoCheck Kids as part of their Series B - II on October 10, 2021.

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InterWest Partners Investments Activity

investments chart

Date

Round

Company

Amount

New?

Co-Investors

Sources

10/22/2021

Series B - II

GoCheck Kids

$10M

No

1

11/2/2020

Unattributed VC

Welltok

$17.38M

No

2

7/27/2020

Series E - V

Welltok

$10.44M

No

1

11/13/2019

Series C

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$99M

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10

8/7/2019

Series D

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$99M

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10

Date

10/22/2021

11/2/2020

7/27/2020

11/13/2019

8/7/2019

Round

Series B - II

Unattributed VC

Series E - V

Series C

Series D

Company

GoCheck Kids

Welltok

Welltok

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Amount

$10M

$17.38M

$10.44M

$99M

$99M

New?

No

No

No

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Co-Investors

Sources

1

2

1

10

10

InterWest Partners Portfolio Exits

185 Portfolio Exits

InterWest Partners has 185 portfolio exits. Their latest portfolio exit was Braze on November 17, 2021.

Date

Exit

Companies

Valuation
Valuations are submitted by companies, mined from state filings or news, provided by VentureSource, or based on a comparables valuation model.

Acquirer

Sources

11/17/2021

IPO

$99M

Public

14

10/14/2021

Acquired

$99M

2

10/7/2021

Acquired

$99M

4

7/20/2021

Acquired

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$99M

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10

7/16/2021

IPO

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$99M

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10

Date

11/17/2021

10/14/2021

10/7/2021

7/20/2021

7/16/2021

Exit

IPO

Acquired

Acquired

Acquired

IPO

Companies

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Valuation

$99M

$99M

$99M

$99M

$99M

Acquirer

Public

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Sources

14

2

4

10

10

InterWest Partners Acquisitions

5 Acquisitions

InterWest Partners acquired 5 companies. Their latest acquisition was TheraTx on June 24, 1994.

Date

Investment Stage

Companies

Valuation
Valuations are submitted by companies, mined from state filings or news, provided by VentureSource, or based on a comparables valuation model.

Total Funding

Note

Sources

6/24/1994

Series B

$99M

$12.8M

IPO

1

2/1/1994

Series B

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$99M

$99M

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10

6/30/1993

Series B

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$99M

$99M

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10

12/18/1992

Series A

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$99M

$99M

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10

11/1/1983

Series A

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$99M

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10

Date

6/24/1994

2/1/1994

6/30/1993

12/18/1992

11/1/1983

Investment Stage

Series B

Series B

Series B

Series A

Series A

Companies

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Valuation

$99M

$99M

$99M

$99M

$99M

Total Funding

$12.8M

$99M

$99M

$99M

Note

IPO

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Sources

1

10

10

10

10

InterWest Partners Fund History

17 Fund Histories

InterWest Partners has 17 funds, including InterWest Partners X.

Closing Date

Fund

Fund Type

Status

Amount

Sources

8/11/2008

InterWest Partners X

Early-Stage Venture Capital

Closed

$650M

1

9/7/2004

InterWest Partners IX

Early-Stage Venture Capital

Closed

$600M

2

12/31/2000

InterWest Investors QVIII

Early-Stage Venture Capital

Closed

$22M

1

1/1/2000

InterWest Partners VIII

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$99M

0

1/1/2000

InterWest Investors Q-VIII

$99M

0

Closing Date

8/11/2008

9/7/2004

12/31/2000

1/1/2000

1/1/2000

Fund

InterWest Partners X

InterWest Partners IX

InterWest Investors QVIII

InterWest Partners VIII

InterWest Investors Q-VIII

Fund Type

Early-Stage Venture Capital

Early-Stage Venture Capital

Early-Stage Venture Capital

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Status

Closed

Closed

Closed

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Amount

$650M

$600M

$22M

$99M

$99M

Sources

1

2

1

0

0

InterWest Partners Service Providers

1 Service Provider

InterWest Partners has 1 service provider relationship

Service Provider

Associated Rounds

Provider Type

Service Type

Counsel

Service Provider

Associated Rounds

Provider Type

Counsel

Service Type

Partnership data by VentureSource

InterWest Partners Team

27 Team Members

InterWest Partners has 27 team members, including current Chief Financial Officer, Karen Wilson.

Name

Work History

Title

Status

Karen Wilson

Chief Financial Officer

Current

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Name

Karen Wilson

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Work History

Title

Chief Financial Officer

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Status

Current

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