# InterWest Partners Portfolio Map 2026: 61 Startups by Sector > InterWest Partners's portfolio mapped: 61 startups it has backed, in 11 sectors from Biotech, IT Services and Software on. Source: https://millionrounds.com/portfolio-maps/interwest-partners-portfolio-map (Millionrounds; every figure on the page links to its filing or article) ## Biotech 21 - [*CT* Cidara Therapeutics](https://millionrounds.com/company/cidara-therapeutics) - [CVRx](https://millionrounds.com/company/cvrx) - [Welltok](https://millionrounds.com/company/welltok) - [Gynesonics](https://millionrounds.com/company/gynesonics) - [Avedro](https://millionrounds.com/company/avedro) - [Celladon](https://millionrounds.com/company/celladon) - [ReVision Optics](https://millionrounds.com/company/revision-optics) - [Cardiac Dimensions](https://millionrounds.com/company/cardiac-dimensions) - [NeuroPace](https://millionrounds.com/company/neuropace) - [Alvine Pharmaceuticals](https://millionrounds.com/company/alvine-pharmaceuticals) - [Neuronetics](https://millionrounds.com/company/neuronetics) - [Sera Prognostics](https://millionrounds.com/company/sera-prognostics) - [*C* Cebix](https://millionrounds.com/company/cebix) - [Integrated Diagnostics](https://millionrounds.com/company/integrated-diagnostics) - [*C* Centrexion](https://millionrounds.com/company/centrexion) - [Lycera](https://millionrounds.com/company/lycera) - [*PP* PMV Pharma](https://millionrounds.com/company/pmv-pharma) - [*LB* Labrys Biologics](https://millionrounds.com/company/labrys-biologics) - [Sequel Pharmaceuticals](https://millionrounds.com/company/sequel-pharmaceuticals) - [Arcion Therapeutics](https://millionrounds.com/company/arcion-therapeutics) - [*G* Gobiquity](https://millionrounds.com/company/gobiquity) ## IT Services 7 - [Aria Systems](https://millionrounds.com/company/aria-systems) - [Staccato Communications](https://millionrounds.com/company/staccato-communications) - [Platform Solutions](https://millionrounds.com/company/platform-solutions) - [Epocrates](https://millionrounds.com/company/epocrates) - [Vendavo](https://millionrounds.com/company/vendavo) - [Alt12 Apps](https://millionrounds.com/company/alt12-apps) - [Piggybackr](https://millionrounds.com/company/piggybackr) ## Software 6 - [Pivot3](https://millionrounds.com/company/pivot3) - [INVIDI Technologies](https://millionrounds.com/company/invidi-technologies) - [*CC* Cape Clear Software](https://millionrounds.com/company/cape-clear-software) - [Quickshift](https://millionrounds.com/company/quickshift) - [Stellar Loyalty](https://millionrounds.com/company/stellar-loyalty) - [AppMesh](https://millionrounds.com/company/appmesh) ## AI 6 - [Ribbon](https://millionrounds.com/company/ribbon) - [Canva](https://millionrounds.com/company/canva) - [Splice Machine](https://millionrounds.com/company/splice-machine) - [*R* RealityEngines](https://millionrounds.com/company/realityengines) - [Pogoseat](https://millionrounds.com/company/pogoseat) - [Aviate](https://millionrounds.com/company/aviate) ## Medical Devices 3 - [Spiration](https://millionrounds.com/company/spiration) - [Nanostim](https://millionrounds.com/company/nanostim) - [*OD* On Demand Therapeutics](https://millionrounds.com/company/on-demand-therapeutics) ## Telecoms 3 - [Xirrus](https://millionrounds.com/company/xirrus) - [kajeet](https://millionrounds.com/company/kajeet) - [Venturi Wireless](https://millionrounds.com/company/venturi-wireless) ## Internet 3 - [CubeTree](https://millionrounds.com/company/cubetree) - [AdsNative](https://millionrounds.com/company/adsnative) - [Crowdpac](https://millionrounds.com/company/crowdpac) ## E-commerce 3 - [The RealReal](https://millionrounds.com/company/the-realreal) - [LocBox](https://millionrounds.com/company/locbox) - [Rixty](https://millionrounds.com/company/rixty) ## Manufacturing 3 - [*CI* C3 IoT](https://millionrounds.com/company/c3-iot) - [Quantance](https://millionrounds.com/company/quantance) - [Microfabrica](https://millionrounds.com/company/microfabrica) ## Healthtech 3 - [*AP* Avera Pharmaceutical](https://millionrounds.com/company/avera-pharmaceutical) - [LensX Lasers](https://millionrounds.com/company/lensx-lasers) - [GAIN Fitness](https://millionrounds.com/company/gain-fitness) ## Big Data & Analytics 3 - [Totango](https://millionrounds.com/company/totango) - [Sierra Logic](https://millionrounds.com/company/sierra-logic) - [Periscope Data](https://millionrounds.com/company/periscope-data) ## Segment by segment ### Biotech 21 startups · $3.0B raised - [*CT* **Cidara Therapeutics**](https://millionrounds.com/company/cidara-therapeutics) Cidara Therapeutics is a biotechnology company that specializes in the fields of healthcare and therapeutics. United States $463M - [**CVRx**](https://millionrounds.com/company/cvrx) CVRx is a medical device company developing implantable technology for the treatment of high blood pressure. United States $369M - [**Welltok**](https://millionrounds.com/company/welltok) Silverlink Communications is a healthcare IT company that develops solutions for patient communications and engagement. United States $239M - [**Gynesonics**](https://millionrounds.com/company/gynesonics) Gynesonics develops transcervical, uterus-preserving, incision-less technologies for diagnostic and therapeutic applications. United States $214M - [**Avedro**](https://millionrounds.com/company/avedro) Avedro is a medical device and pharmaceutical company advancing the science and technology of corneal cross-linking. United States $203M - [**Celladon**](https://millionrounds.com/company/celladon) Celladon is a biotechnology company developing molecular therapies for the treatment of heart failure. United States $172M - [**ReVision Optics**](https://millionrounds.com/company/revision-optics) ReVision Optics offers PRESBYLENS, a refractive surgery solution to correct vision loss by the natural aging process. United States $172M - [**Cardiac Dimensions**](https://millionrounds.com/company/cardiac-dimensions) Cardiac Dimensions is a medical device company based in Kirkland, Washington, founded in 2001. United States $150M ### IT Services 7 startups · $269M raised - [**Aria Systems**](https://millionrounds.com/company/aria-systems) Aria Systems is a software company based in San Francisco, specializing in billing and monetization solutions. United States $99M - [**Staccato Communications**](https://millionrounds.com/company/staccato-communications) Door, Mr. United States $76M - [**Platform Solutions**](https://millionrounds.com/company/platform-solutions) Platform Solutions develops open mainframe computers compatible with a set of data center environments and operating systems. United States $37M - [**Epocrates**](https://millionrounds.com/company/epocrates) Epocrates develops software that provides reference information about drugs and diseases, and diagnostic tools for healthcare professionals. United States $35M - [**Vendavo**](https://millionrounds.com/company/vendavo) Vendavo is a global provider of AI-powered pricing optimization, Configure-Price-Quote (CPQ), and rebate management software solut United States $21M - [**Alt12 Apps**](https://millionrounds.com/company/alt12-apps) Update: Alt12 Apps was acquired by The Honest Company in 2015. United States $1.3M - [**Piggybackr**](https://millionrounds.com/company/piggybackr) Piggybackr is an online fundraising platform that teaches young people how to raise money for their teams, schools, and communitie United States $325K ### Software 6 startups · $394M raised - [**Pivot3**](https://millionrounds.com/company/pivot3) Pivot3 provides easy to use and efficient solutions that are designed to meet the performance, scale, and resiliency requirements United States $229M - [**INVIDI Technologies**](https://millionrounds.com/company/invidi-technologies) INVIDI Technologies offers Advatar, an application that delivers addressable targeted advertising and marketing messages to viewers. United States $132M - [*CC* **Cape Clear Software**](https://millionrounds.com/company/cape-clear-software) Cape Clear Software provides services-oriented architecture (SOA) and enterprise service bus (ESB) technology. United States $20M - [**Quickshift**](https://millionrounds.com/company/quickshift) QuickShift is an all-in-one staffing platform for event based businesses created as a means to solve the unique problems that aris United States $5.2M - [**Stellar Loyalty**](https://millionrounds.com/company/stellar-loyalty) Stellar Loyalty is the first applications provider to deliver breakthrough cloud-based customer loyalty solutions. United States $5.0M - [**AppMesh**](https://millionrounds.com/company/appmesh) AppMesh develops business platform solutions for mobile devices. United States $3.0M ### AI 6 startups · $576M raised - [**Ribbon**](https://millionrounds.com/company/ribbon) Ribbon is a one-page checkout solution enabling merchants accept payments online and make an intuitive checkout experience for customers. United States $271M - [**Canva**](https://millionrounds.com/company/canva) Canva Pty Ltd is an Australian multinational software company based in Sydney, known for its user-friendly graphic design platform. Australia $248M - [**Splice Machine**](https://millionrounds.com/company/splice-machine) Splice Machine is a San Francisco-based company that offers a unique Hadoop-powered, in-memory relational database management system (RDBMS). United States $47M - [*R* **RealityEngines**](https://millionrounds.com/company/realityengines) United States $5.3M - [**Pogoseat**](https://millionrounds.com/company/pogoseat) Pogoseat is an enterprise software company based in San Francisco, California, specializing in mobile ticketing solutions for the United States $4.6M - [**Aviate**](https://millionrounds.com/company/aviate) Aviate is a job-discovery and preparation platform. Japan $440K ### Medical Devices 3 startups · $123M raised - [**Spiration**](https://millionrounds.com/company/spiration) Spiration is a developer of therapeutic medical devices for the treatment of air leaks and lung diseases. United States $81M - [**Nanostim**](https://millionrounds.com/company/nanostim) Nanostim is an early-stage medical device company working to prevent complications related to pacemakers. United States $38M - [*OD* **On Demand Therapeutics**](https://millionrounds.com/company/on-demand-therapeutics) The Total Solution for Sight-Threatening Retinal DiseasesOn Demand Therapeutics, Inc. United States $3.8M ### Telecoms 3 startups · $190M raised - [**Xirrus**](https://millionrounds.com/company/xirrus) Xirrus provides wireless networking products such as indoor and outdoor enclosures, snap-on covers, and I-beam mounting kits. United States $113M - [**kajeet**](https://millionrounds.com/company/kajeet) Kajeet, the industry leader for safe, mobile student Internet connectivity outside the classroom, helps students succeed in school. United States $66M - [**Venturi Wireless**](https://millionrounds.com/company/venturi-wireless) Venturi Wireless is the trusted leader in providing enabling platforms to service providers worldwide. United States $11M ### Internet 3 startups · $24M raised - [**CubeTree**](https://millionrounds.com/company/cubetree) CubeTree, a social networking platform, offers an enterprise collaboration suite for companies creating private and secure social networks. United States $12M - [**AdsNative**](https://millionrounds.com/company/adsnative) AdsNative is an ad-platform that enables advertisers, publishers and application developers to buy and sell visually integrated ad United States $11M - [**Crowdpac**](https://millionrounds.com/company/crowdpac) Crowdpac is a non-partisan political crowdfunding startup using technology and data to help citizens engage in politics. United States $2.1M ### E-commerce 3 startups · $329M raised - [**The RealReal**](https://millionrounds.com/company/the-realreal) The RealReal is an online marketplace for authenticated and consigned luxury goods. United States $318M - [**LocBox**](https://millionrounds.com/company/locbox) LocBox enables secure deliveries, simple returns, and product experiences for consumers. United States $10M - [**Rixty**](https://millionrounds.com/company/rixty) Rixty, an online payment system, allows users to spend money on online games, virtual worlds and other types of digital content. United States $1.3M ### Manufacturing 3 startups · $269M raised - [*CI* **C3 IoT**](https://millionrounds.com/company/c3-iot) United States $170M - [**Quantance**](https://millionrounds.com/company/quantance) Quantance manufactures semiconductors that increase data speed and battery life in mobile devices. United States $51M - [**Microfabrica**](https://millionrounds.com/company/microfabrica) Microfabrica is an advanced additive manufacturing company based in Van Nuys, California, specializing in the high-volume producti United States $48M ### Healthtech 3 startups · $73M raised - [*AP* **Avera Pharmaceutical**](https://millionrounds.com/company/avera-pharmaceutical) Avera Pharmaceuticals is a specialty pharmaceutical company that acquires, develops, and commercializes pharmaceutical compounds. United States $48M - [**LensX Lasers**](https://millionrounds.com/company/lensx-lasers) LensX Lasers is a developer of surgical lasers used for the reparation of cataracts. United States $22M - [**GAIN Fitness**](https://millionrounds.com/company/gain-fitness) GAIN Fitness is a fitness technology company based in San Francisco. United States $2.8M ### Big Data & Analytics 3 startups · $199M raised - [**Totango**](https://millionrounds.com/company/totango) Totango is an enterprise Customer Success Software company based in Redwood City, California. United States $127M - [**Sierra Logic**](https://millionrounds.com/company/sierra-logic) semiconductor company United States $37M - [**Periscope Data**](https://millionrounds.com/company/periscope-data) Periscope Data is the most powerful, flexible analytics platform for data professionals and business users. United States $35M **How this map is made.** Every startup here has raised money in a round we track that names InterWest Partners as an investor, the first in 2000. Each sits under its main sector, read from its rounds, and each sector shows its best-funded first; sectors with fewer than three companies are left off. Rebuilt nightly; updated 15 November 2026. ## More portfolio maps [All portfolios](https://millionrounds.com/portfolio-maps) [VC firm · United States **Techstars** 1,119 startups · 12 sectors · $16B](https://millionrounds.com/portfolio-maps/techstars-portfolio-map)[VC firm · United States **Alumni Ventures** 745 startups · 12 sectors · $64B](https://millionrounds.com/portfolio-maps/us-strategic-tech-fund-an-alumni-ventures-fund-portfolio-map)[VC firm · United States **Andreessen Horowitz** 694 startups · 12 sectors · $497B](https://millionrounds.com/portfolio-maps/andreessen-horowitz-portfolio-map)[VC firm · United States **Sequoia Capital** 651 startups · 12 sectors · $677B](https://millionrounds.com/portfolio-maps/sequoia-capital-portfolio-map)[VC firm · United States **SV Angel** 548 startups · 12 sectors · $79B](https://millionrounds.com/portfolio-maps/sv-angel-portfolio-map)[VC firm · United States **General Catalyst** 538 startups · 12 sectors · $230B](https://millionrounds.com/portfolio-maps/general-catalyst-portfolio-map) ## Raising from investors like InterWest Partners? Find the investors who back startups like yours, with their cheques, rounds and partners, in the app with filters, lists and exports. [Find investors](https://millionrounds.com/login?join=1&next=/app/investors)[Market maps](https://millionrounds.com/market-maps)