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 Mayfield. This round also saw participation from Escalate Capital Partners and other investors.
Overall, InterWest Partners portfolio has seen 1 unicorn, 35 IPOs and 142 acquisitions including key companies like Workday, Jazz Pharmaceuticals and Braze. 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 Unicorns
Portfolio Soonicorns
InterWest Partners' List of Top Investments
InterWest Partners has a portfolio of 260 companies, one of which is a Unicorn. Their most notable investments are in Obalon and Integrated Diagnostics.Their portfolio spans across United States, United Kingdom, GermanyÌý²¹²Ô»å 9 more locations. They have invested in Enterprise Applications, Life Sciences, High TechÌý²¹²Ô»å 25 other sectors, across stages such as Series B, Series A Ìý²¹²Ô»å 9 more. Here is the list of top investments by InterWest Partners:
1. Workday
Cloud-based financial management, EPM, and HR software provider for enterprises. It uses AI and ML algorithms to predict work and automate tasks, manage employees, and more. The product offerings include HCM, a human capital management solution with features such as reporting and analysis, employee engagement, workforce planning, scheduling, recruiting, onboarding, benefits, etc. It also provides solutions such as financial management, business planning, analytics, professional services automation, and more. It serves multiple industry verticals including communications, energy an resources, financial services, government, healthcare, higher education, hospitality, and others.
Key facts about Workday
- Founded Year: 2005
- Location: Pleasanton (United States)
- Annual Revenue: €8.92M as on Jan 31, 2023
- Stage: Public
- Total Funding till date: $352M
- Employee Count: 11,805 as on Dec 31, 2022
- Investors: InterWest Partners, Open X Innovations and 10 Others
- Latest Funding Round: Post IPO, May 15, 2013, $45.7M
- Highlight: Public
2.
Online platform for creating graphic images. It allows professionals to edit images for presentations, invitations, posters, flyers, business cards, and more. The platform offers pre-designed templates and effects. It also provides a stock library of photographs, illustrations, and imagery. Users can add text, photo enhancers, blur, vignettes, grids, icons, frames, stickers, badges, texture, and others. The application is available for Android and iOS users.
Key facts about Canva
- Founded Year: 2012
- Location: Surry Hills (Australia)
- Annual Revenue: 394M AUD as on Dec 31, 2020
- Valuation: $49B as on Oct 31, 2024
- Stage: Series F
- Total Funding till date: $589M
- Employee Count: 1 as on Dec 31, 2024
- Investors: InterWest Partners, T. Rowe Price and
- Latest Funding Round: Series F, May 01, 2024, $8M
- Highlight: Editors' Pick
Developer of novel biopharmaceutical medicines for unmet medical needs. It focuses on developing and delivering life-changing medications to patients with limited or no treatment options. The company's pipeline includes various therapeutic areas, and it supports its medicines with robust clinical trial programs and patient support resources. Research efforts prioritize patient needs, driving advancements in understanding and treating specific conditions. The company also engages in corporate giving and sustainability initiatives.
Key facts about Jazz Pharmaceuticals
- Founded Year: 2003
- Location: Dublin (Ireland)
- Annual Revenue: $4.07B as on Dec 31, 2024
- Stage: Public
- Total Funding till date: $265M
- Employee Count: 2,800 as on Dec 31, 2024
- Investors: Oak Hill, InterWest Partners and 14 Others
- Latest Funding Round: Post IPO, Jul 07, 2009, $7M
- Highlight: Public
4. Braze
AI based omnichannel customer engagement solutions for businesses. It allows businesses to personalize and optimize customer experiences across multiple channels and devices. Its features include cross-channel personalization, creating customer-centric journeys, marketing automation, AB testing, mobile engagement, mobile marketing, connecting with users in the right channel at the right moment, and more.
Key facts about Braze
- Founded Year: 2011
- Location: New York City (United States)
- Annual Revenue: $355M as on Jan 31, 2023
- Stage: Public
- Total Funding till date: $175M
- Employee Count: 1,548 as on Jan 31, 2024
- Investors: InterWest Partners, Cross Creek and 22 Others
- Latest Funding Round: Series E, Oct 03, 2018, $80M
- Highlight: Public
5. Tapjoy
Tapjoy is a mobile performance-based advertising platform that drives deep engagement and monetization opportunities for app publishers, while delivering engaged consumers to brands and advertisers. Tapjoy has a reach of more than 450M (December, 2013) mobile users each month and its “Mobile Value Exchange†model allows users to receive premium content in exchange for their engagement with advertisements.
Key facts about Tapjoy
- Founded Year: 2007
- Location: San Francisco (United States)
- Stage: Acquired
- Total Funding till date: $60M
- Employee Count: 137 as on Dec 31, 2022
- Investors: HighGear Ventures, InterWest Partners and 12 Others
- Latest Funding Round: Series D, Jul 26, 2016
- Highlight: Acquired
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' Investments 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' Investments by Sector
InterWest Partners has a diverse portfolio, with companies operating in the Life Sciences, Enterprise Applications, Enterprise Infrastructure, Consumer and High Tech. Notably, it has invested in 204 Tech companies, 172 Enterprise (B2B) companies, 52 Software companies and at least 47 companies focusing on Saas.
Note: We have considered here, only first round of investments
Sector | No. of Investments |
---|---|
Life Sciences | 71 |
Enterprise Applications | 49 |
Enterprise Infrastructure | 18 |
Consumer | 17 |
High Tech | 16 |
Others | 106 |
InterWest Partners' Investments by Geography
InterWest Partners has made most investments in United States (171), followed by Germany where it has made 4 investments.
Note: We have considered here, only first round of investments
Country | No. of Investments |
---|---|
United States | 171 |
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 | [+6] | |
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] |
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 | swpnpfn |
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 | - | - | - |
Co-investors of InterWest Partners
Over the past 28 years, 884 investors have co-invested in InterWest Partners's portfolio companies.
- Invested before InterWest Partners:ÌýDomain Associates, Trinity Ventures and 174 others have invested in rounds before InterWest Partners. There are 4 companies where Domain Associates has invested before InterWest Partners and 4 companies where Trinity Ventures 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 392 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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technology-signals.com•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,