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 258 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 participated in the $***** Series C round of GoCheck Kids Overall, InterWest Partners portfolio has seen 1 unicorn, 32 IPOs and 144 acquisitions including key companies like Workday, Jazz Pharmaceuticals and The RealReal. 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 3 people including 3 partners.Key Metrics
Team Members
Portfolio Sectors
Portfolio Locations
Rounds of Entry
Series B, Series A & 9 more
Portfolio Unicorns
Portfolio Soonicorns
InterWest Partners' List of Top Investments
InterWest Partners has a portfolio of 258 companies, one of which is a Unicorn. Their most notable investments are in EnteroMedics and Cidara Therapeutics.Their portfolio spans across United States, United Kingdom, Canada and 8 more locations. They have invested in Enterprise Applications, Life Sciences, High Tech and 24 other sectors, across stages such as Series B, Series A and 9 more. Here is the list of top investments by InterWest Partners:
1. Workday
Developer of cloud software for human resources finance and operations. The software provides tools for managing workforce planning, payroll, financial accounting, and contract lifecycle management. The platform integrates data across business functions to assist with organizational management and administrative tasks. It includes artificial intelligence capabilities designed to automate workflows and support decision-making processes for enterprise management.
Key facts about Workday
- Founded Year: 2005
- Location: Pleasanton (United States)
- Annual Revenue: $1B+ as on Jan 31, 2026
- Stage: Public
- Total Funding till date: $352M
- Employee Count: 21,000 as on Jan 31, 2026
- Investors: T. Rowe Price, Janus Henderson Investors and 12 Others
- Latest Funding Round: Post IPO, May 15, 2013, $*****
- Highlight: Public
2. Canva
Cloud-based collaborative design platform. It enables users to create various digital content, including social media posts, presentations, and videos, through its drag-and-drop editor. The platform provides access to thousands of templates, photos, and fonts, and offers AI-powered tools for users to enhance design abilities. It allows users 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 images.
Key facts about Canva
- Founded Year: 2012
- Location: Surry Hills (Australia)
- Annual Revenue: $500M - $1B as on Dec 31, 2022
- Valuation: $*****
- Stage: Series F
- Total Funding till date: $589M
- Employee Count: 20,257 as on Sep 30, 2026
- Investors: T. Rowe Price, Dragoneer Investment Group and 58 Others
- Latest Funding Round: Series F, May 01, 2024, $*****
- 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: $500M - $1B as on Dec 31, 2020
- Stage: Public
- Total Funding till date: $265M
- Employee Count: 3,671 as on Sep 30, 2026
- Investors: Adams Street Partners, Thoma Bravo and 14 Others
- Latest Funding Round: Post IPO, Jul 07, 2009, $*****
- Highlight: Public
4. The RealReal
Online consignment-based marketplace for luxury fashion. The product catalog includes apparel for men & women of used products. It also offers jewelry and fashion accessories.
Key facts about The RealReal
- Founded Year: 2011
- Location: Tiburon (United States)
- Annual Revenue: $500M - $1B as on Dec 31, 2025
- Stage: Public
- Total Funding till date: $288M
- Employee Count: 2,668 as on Sep 30, 2026
- Investors: HTIF, 2020 Ventures and 37 Others
- Latest Funding Round: Post IPO, Mar 04, 2021, $*****
- Highlight: Public
5. Braze
Provider of a platform for cross-channel customer engagement and messaging. The platform unifies data, facilitates AI-powered decisioning, and enables personalized customer experiences. It offers tools for journey orchestration, reporting, and analytics across various channels. The platform supports email, mobile app messaging, web messaging, and SMS/RCS communications.
Key facts about Braze
- Founded Year: 2011
- Location: New York City (United States)
- Annual Revenue: $500M - $1B as on Jan 31, 2026
- Stage: Public
- Total Funding till date: $175M
- Employee Count: 2,383 as on Sep 30, 2026
- Investors: Meritech, Icon Ventures and 23 Others
- Latest Funding Round: Series E, Oct 03, 2018, $*****
- Highlight: Public
InterWest Partners' Year-on-Year Investment Trends
InterWest Partners has invested in 258 companies over the last 29 years, with an average of 0 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.InterWest Partners' Investments by Stage
InterWest Partners has made 58 investments in Series B stage with an average round size of $21.2M, 49 investments in Series A stage with an average round size of $15.7M and 25 investments in Series C stage with an average round size of $25.4M.Stage of entry | No. of Investments |
|---|---|
Series B | 58 |
Series A | 49 |
Series C | 25 |
Series D | 22 |
Seed | 16 |
Others | 13 |
Note: We have considered here, only first round of investments
InterWest Partners' Investments by Sector
InterWest Partners has a diverse portfolio, with companies operating in the Life Sciences, Enterprise Applications, Enterprise Infrastructure, Consumer and Semiconductors. Notably, it has invested in 204 Tech companies, 181 Enterprise (B2B) companies, 110 Software companies and at least 49 companies focusing on Saas.Sector | No. of Investments |
|---|---|
Life Sciences | 74 |
Enterprise Applications | 65 |
Enterprise Infrastructure | 18 |
Consumer | 15 |
Semiconductors | 14 |
Others | 97 |
Note: We have considered here, only first round of investments
InterWest Partners' Investments by Geography
InterWest Partners has made most investments in United States (171), followed by Germany where it has made 3 investments.Country | No. of Investments |
|---|---|
United States | 171 |
Germany | 3 |
United Kingdom | 3 |
Australia | 1 |
Canada | 1 |
Others | 4 |
Note: We have considered here, only first round of investments
InterWest Partners' recent investments
InterWest Partners has not made any investment in 2026 so far.Here are the most recent investments by InterWest Partners:
Filter this listDate | Company | Location | Round Details | Round Amount | Co-Investors |
|---|---|---|---|---|---|
Oct 20, 2021 | United States | Series C | 3540 | ||
Nov 13, 2019 | United States | Series C | 3785 | ||
Jul 11, 2019 | United States | Series D | 9823 | [+5] | |
May 01, 2019 | United States | Series F | 5081 | [+6] | |
Jan 02, 2019 | United States | Series F | 1007 | [+7] |
Unicorns in InterWest Partners' Portfolio
InterWest Partners has 1 unicorn in its portfolio - Intarcia. The most recent unicorn in their portfolio is Intarcia which became a unicorn in 2014, 13 years after InterWest Partners first invested in it.Here is a list of unicorns in InterWest Partners' portfolio:
Tracxn Score | Company | Short Description | Founded year | Sector | Location | Company Stage | First Investment/ Acquisition Details |
|---|---|---|---|---|---|---|---|
47 | Provider of osmotic pump for subcutaneous drug delivery | 1995 | Boston | Series J | {lhdwds |
IPOs and Publicly Listed companies in InterWest Partners' Portfolio
32 of InterWest Partners' portfolio companies have become public. Braze got listed on the National Association of Securities Dealers Automated Quotations (NASDAQ), in Nov 2021 at marketcap of $5.87B and CVRx got listed on the National Association of Securities Dealers Automated Quotations (NASDAQ) at marketcap of $126M.Here are InterWest Partners' portfolio companies that went public:
Company | IPO Date | First Invested on | First Round of Investment | Round Size |
|---|---|---|---|---|
Nov 17, 2021 | Oct 02, 2014 | Series B | 6503 | |
Jun 30, 2021 | May 11, 2006 | Series C | 2623 | |
Jun 24, 2021 | Mar 16, 2011 | Series A | 2432 | |
Apr 22, 2021 | 2005 | Series A | 8803 | |
Dec 09, 2020 | Sep 01, 2016 | Series D | 3030 |
Acquired companies in InterWest Partners' Portfolio
144 companies from InterWest Partners' portfolio have been acquired. The most recent acquisition was KalVista in Apr 2026 by Chiesi Pharmaceuticals for $*****.Here are InterWest Partners' portfolio companies that got acquired most recently:
Company | Acquisition Date | First Invested on | First Round of Investment | Round Size |
|---|---|---|---|---|
Apr 29, 2026 | - | - | 1718 | |
Dec 29, 2025 | Aug 27, 2007 | Series D | 2620 | |
Dec 24, 2025 | Sep 26, 2000 | Series C | 5222 | |
Nov 14, 2025 | Jun 16, 2014 | Series A | 1158 | |
Mar 05, 2025 | - | - | 5988 |
Team profile of InterWest Partners
InterWest Partners has a team of 3 members including 3 Partners located 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 | Menlo Park | - | - | |
Partner | Menlo Park | - | - | |
Partner | San Francisco | - |
Co-investors of InterWest Partners
Over the past 29 years, 889 investors have co-invested in InterWest Partners's portfolio companies. This includes funds and angels.
- Invested before InterWest Partners: Domain Associates, Trinity Ventures and 175 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: 315 investors entered a company along with InterWest Partners. These include investors like New Enterprise Associates (10 companies).
- Invested after InterWest Partners: A total of 397 investors have invested in InterWest Partners's portfolio after their investments. Top Investors include HHS (6 companies), RA Capital Management (5 companies) and Venrock (5 companies).
Recent News related to InterWest Partners
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Interwest Partners with the City of Laguna Woods to Provide Building Department Services.PR Newswire•Mar 09, 2022•InterWest Partners, Cityoflagunawoods
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GoCheck Kids raises $10 million round of fundingThe Business Journals•Oct 21, 2021•GoCheck Kids, Hatteras Venture Partners, Pisgah Fund, CU Healthcare Innovation Fund and 6 others
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InterWest Opens New Nevada Office, Acquires Aegis in CaliforniaInsurance Journal•May 18, 2021•InterWest Partners, Aegis Insurance Markets
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Spredfast raises $50 million to bring social marketing to more enterprise appsVentureBeat•Mar 24, 2021•Spredfast, Lead Edge Capital, Austin Ventures, InterWest Partners and 1 other
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Dr. Gil Kliman and Tom Frinzi Appointed to STAAR Surgical Board of DirectorsBusiness Wire•Jun 01, 2020•STAAR Surgical, InterWest Partners, Johnson & Johnson Vision
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PMV Pharma Secures $62 Million in Series C Financing To Develop Cancer Drugs Targeting p53PRWeb•Nov 13, 2019•PMV Pharma, Nextech Invest, Viking Global Investors, Boxer Capital and 4 others
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Sera Prognostics Raises $36 Million Series D FinancingMedical Device News•Nov 13, 2019•Sera Prognostics, Domain Associates, InterWest Partners, LabCorp and 3 others
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NewsCred Raises $20Mn; Bolsters Its Content Marketing Platformhttps://technology-signals.com•Jul 11, 2019•NewsCred, InterWest Partners, Dentsu, Escalate Capital Partners and 4 others
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Aryaka snags $50M in funding; next stop IPO?FierceTelecom•May 01, 2019•Aryaka, Goldman Sachs, Trinity Ventures, Mohr Davidow Ventures and 5 others
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InterWest Acquires Placer Insurance Agency in CaliforniaInsurance Journal•Mar 04, 2019•InterWest Partners, Placer Insurance Agency
