About InterWest Partners
InterWest Partners is a venture capital firm founded in 1979. It is primarily based out of Los Altos, United States. As of Oct 2021, InterWest Partners has invested in 260 companies. It primarily invests in Series B round in United States based startups. Its investments are spread across a wide range of sectors from Enterprise Applications to Life Sciences and High Tech. Most recently it led the $20M Series D round of NewsCred along with Escalate Capital Partners. This round also saw participation from Greycroft and other investors.
Overall, InterWest Partners portfolio has seen 1 unicorn, 35 IPOs and 142 acquisitions including key companies like Workday, Jazz Pharmaceuticals and Tapjoy. A lot of funds co-invest with InterWest Partners, with names like New Enterprise Associates sharing a substantial percentage of its portfolio.
InterWest Partners has team of 9 people including 7 partners.
Key Metrics
Team Members
Keval Desai, &
Portfolio Count
, Workday &
Portfolio Sectors
Portfolio Locations
Rounds of Entry
Series B, Series A &
Portfolio IPOs
Portfolio Acquisitions
Portfolio Unicorns
Portfolio Soonicorns
InterWest Partners' Year-on-Year Investment Trends
InterWest Partners has invested in 260 companies over the last 28 years, with an average of 1 new investment annually in the last 10 years. Its most recent first time investment was in Centrexion and most recent follow-on round was in GoCheck Kids.
Year | No. of Investments | ||
|---|---|---|---|
1stÌý¸é´Ç³Ü²Ô»å | Follow-on | Total | |
2025 (YTD) | 0 | 0 | 0 |
2024 | 0 | 0 | 0 |
2023 | 0 | 0 | 0 |
2022 | 0 | 0 | 0 |
2021 | 0 | 1 | 1 |
2020 | 0 | 0 | 0 |
2019 | 0 | 4 | 4 |
2018 | 1 | 2 | 3 |
2017 | 2 | 5 | 7 |
2016 | 4 | 16 | 20 |
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InterWest Partners' Investment Trends by Stage
InterWest Partners has made 57 investments in Series B stage with an average round size of $21.2M, 52 investments in Series A stage with an average round size of $15.3M and 25 investments in Series C stage with an average round size of $25.4M.Note: We have considered here, only first round of investments
Stage of entry | No. of Investments |
|---|---|
Series B | 57 |
Series A | 52 |
Series C | 25 |
Series D | 22 |
Seed | 15 |
Others | 13 |
InterWest Partners' Investment Trends by Sector
InterWest Partners has a diverse portfolio, with companies operating in the Life Sciences, Enterprise Applications, High Tech, Enterprise Infrastructure and Consumer. Notably, it has invested in 209 Tech companies, 167 Enterprise (B2B) companies, 47 Saas companies and at least 46 companies focusing on Software.
Note: We have considered here, only first round of investments
Sector | No. of Investments |
|---|---|
Life Sciences | 72 |
Enterprise Applications | 47 |
High Tech | 20 |
Enterprise Infrastructure | 18 |
Consumer | 17 |
Others | 111 |
InterWest Partners' Investment Trends by Geography
InterWest Partners has made most investments in United States (221), followed by United Kingdom where it has made 6 investments.
Note: We have considered here, only first round of investments
Country | No. of Investments |
|---|---|
United States | 170 |
Germany | 4 |
United Kingdom | 4 |
Australia | 1 |
Canada | 1 |
Others | 5 |
InterWest Partners' recent investments
Here are the most recent investments by InterWest Partners:
Date | Company | Location | Round Details | Round Amount | Co-Investors |
|---|---|---|---|---|---|
Oct 20, 2021 | United States | Series C | $10M | ||
Nov 13, 2019 | United States | Series C | $62M | ||
Jul 11, 2019 | United States | Series D | $20M | Dentsu [+5] | |
May 01, 2019 | United States | Series F | $50M | Goldman Sachs [+6] | |
Jan 02, 2019 | United States | Series F | $75.5M | [+7] |
Get the detailed list of all investments by InterWest Partners. Download now!Unicorns in InterWest Partners' Portfolio
Here is a list of unicorns in InterWest Partners' portfolio:
ÃØÃÜÑо¿Ëù Score | Company | Short Description | Founded year | Sector | Location | Company Stage | First Investment/ Acquisition Details |
|---|---|---|---|---|---|---|---|
33 | Provider of osmotic pump for subcutaneous drug delivery | 1995 | Boston | Series J | tibolxp |
IPOs and Publicly Listed companies in InterWest Partners' Portfolio
Here are InterWest Partners' portfolio companies that went public:
Acquired companies in InterWest Partners' Portfolio
Here are InterWest Partners' portfolio companies that got acquired most recently:
Company | Acquisition Date | First Invested on | First Round of Investment | Round Size |
|---|---|---|---|---|
Mar 05, 2025 | - | - | - | |
Jan 17, 2025 | - | - | - | |
Jan 15, 2025 | Mar 28, 2005 | Series B | $16M | |
Dec 18, 2024 | Mar 04, 1997 | Series C | $26.2M | |
Oct 14, 2024 | Jan 24, 2007 | Series B | $16.5M |
Team profile of InterWest Partners
InterWest Partners has a team of 9 membersÌýincluding 7 Partners and 1 Venture PartnerÌýlocated in United States. InterWest Partners' team does not sit on the board of any company as of now.Here is a list of all team members in InterWest Partners:
Name | Designation | Location | Board Memberships | Contact details |
|---|---|---|---|---|
Partner | San Francisco | - | ||
Partner | Menlo Park | - | ||
Partner | Menlo Park | - | ||
Partner | Menlo Park | - | ||
Partner | - | - | - | |
Partner | Menlo Park | - | - | |
Partner | Menlo Park | - | - | |
Venture Partner | - | - |
Get the full list of InterWest Partners' team & partners for free. Download now!Co-investors of InterWest Partners
Over the past 28 years, 883 investors have co-invested in InterWest Partners's portfolio companies.
- Invested before InterWest Partners:ÌýTrinity Ventures, Domain Associates and 174 others have invested in rounds before InterWest Partners. There are 4 companies where Trinity Ventures has invested before InterWest Partners and 4 companies where Domain Associates has invested before InterWest Partners.
- Top Co-investors of InterWest Partners:Ìý316 investors entered a company along with InterWest Partners. These include investors like New Enterprise Associates (10 companies).
- Invested after InterWest Partners:ÌýA total of 391 investors have invested in InterWest Partners's portfolio after their investments. Top Investors include Venrock (5 companies), RA Capital Management (5 companies) and Rho Capital Partners (4 companies).
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Recent News related to InterWest Partners
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PR Newswire•Mar 09, 2022•InterWest Partners,
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The Business Journals•Oct 21, 2021•GoCheck Kids, Hatteras Venture Partners, Pisgah Fund, CU Healthcare Innovation Fund and 6 others
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Insurance Journal•May 18, 2021•InterWest Partners,
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VentureBeat•Mar 24, 2021•Spredfast, Lead Edge Capital, Austin Ventures, InterWest Partners and 1 other
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PRWeb•Nov 13, 2019•PMV Pharma, Nextech Invest, Viking Global Investors, Boxer Capital and 4 others
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Technology Signals•Jul 11, 2019•NewsCred, InterWest Partners, Dentsu, Escalate Capital Partners and 4 others
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FierceTelecom•May 01, 2019•Aryaka Networks, Goldman Sachs, Trinity Ventures, Mohr Davidow Ventures and 5 others
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Insurance Journal•Mar 04, 2019•InterWest Partners,
