Walnut has invested in over 300 companies in the past 25 years. Our current investments and some of our recent exits are shown here.
Our mission is to bring earth-friendly and toxin-free products to the hands of all menstruators.
Study Management for Biotechs, Pharma, CROs, and Academia
Moxie Scrubs is disrupting the medical apparel market as the first direct-to-consumer brand for nurses.
With Statera, clinicians focus on providing quality patient care, not the financial implications.
AdStash provides digital signage networks the technology required to scale for free, by sharing programmatic revenue.
Agile Devices commercializes novel coaxial deflection technologies for faster, cheaper and safer interventional procedures.
NODE40 tracks cryptocurrency digital assets for full visibility & tax compliance
Everyday Life protects your family and your budget with Predictive Protection™ life insurance. Get what you need, not what your agent needs.
Hilltop Bio is dedicated to providing therapies that help injured horses regenerate damaged tissues, and that will assist in restoring them to their full athletic potential and long-term heath.
Paerpay is a contactless payment platform for restaurants. Avoid the spread of bacteria and viruses, while providing your guests and staff a contactless dining experience.
BioFeyn's goal is to produce the most sustainable and nutrient-packed farmed fish on the market.
It's ok to get help with laundry! HappyNest Laundry Pickup and Delivery with Next Day Return
Imago Rehab is developing a robot-assisted virtual clinic for stroke recovery that enables superior hand recovery for the 5M chronic stroke survivors in the US with lasting hand impairment.
Magnetizable Inks for Enhanced Recycling
Folia Health is harnessing the power of patient and caregiver observations
Order catering from 55,858 restaurants nationwide for business meetings
Helping brands and their agencies optimize video campaigns
. Enabling the next generation of non-invasive diagnostics.
Using tablets and sensors to improve operations of food serving retail chains
Developing therapies by directly manipulating the behavior of cells
Empowering radiology to achieve more.
Developing a suite of specialized tools for minimally invasive orthopedic procedures.
Empowering students to learn critical STEM skills through active, social recess-style play!
Buying tires made easy.
On demand telemedicine at the fingertips of dispatchers and first reponders.
Wyebot is the leader in AI-driven WiFi automation.
Lit is an input based language acquisition tool for students and teachers. Language acquisition through digital stories.
Octagon Therapeutics’ mission is to discover and develop better medicines for patients with autoimmune disease.
VistaPath has a new vision for pathology - VistaPath Sentinel, the world’s first automated tissue grossing platform.
AOA has a revolutionary way to save half the women diagnosed with Ovarian Cancer
Fact based insight into the nuances of your customer's taste preferences; how to leverage them; and how to stay ahead of your competition.
Natural prenatal nutritional supplements
Electrifying the marine industry with a line of high performance electric propulsion systems.
HomeBinder helps you manage your home maintenance needs and organizes valuable reports to help sell your home
Looking for a new job? Get matched to the perfect one! Apply to thousands of jobs with just ONE profile.
Your local business-to-business delivery service.
Solving the issue of residential loneliness and increasing brand value for building owners and partners.
Automates the capture,editing, analysis, and distribution of player video, providing high-resolution video of any player's performance.
The first estate management solution to organize and contact personal accounts to fulfill an individual’s final wishes.
Create enterprise grade mobile apps fast with low-to-no coding
Supercharge your online store's Facebook ads
Ventilation monitoring for non-intubated patients
Applying artificial intelligence improve treatment of chronic conditions
A choice-based video ad platform that delivers a positive experience for both advertisers and consumers
Making mobile voting as easy and secure as mobile banking
Helping brands discover and activate their most influential customers to distribute content and drive social conversions
Meenta makes it easy for scientists to instantly book time on shared research-equipment and services.
Splitwise: easily share expenses - with friends, with roommates, with anyone
The Safest Rideshare for Families on the Go
A listening skills platform, where teachers use public radio
Remote monitoring and control of LED lights in roadways, parking lots/garages and on campus
Optimize website experiences before going live.
A natural, safe way to promote healing of spinal fractures and formation of new bone.
Software increasing revenue yield in parking garages
The purest, cleanest, and best-performing cellulose insulation available.
Clinically-validated cognitive therapeutics, assessments, and diagnostics that look and feel like video games
Extending the private golf club experience nationwide
Worthright helps you understand how your old assets can pay for your new needs.
Unique coating materials and process improve steam turbine efficiency to reduce carbon emissions
Surgery in a pill
Applying behavioral science to reverse chronic diseases
Helping enterprises source, book, track and manage small group bookings and all requirements for simple meetings
Helping patients consolidate their health records on one secure platform
The first proactive voice caregiving service
Bio-medical company improving drug delivery for cancer therapies
Like a great Chief of Staff, Chiefofstaff.com software helps senior leaders in complex organizations implement plans successfully.
Using behavioral economics to simulate how consumers will respond to marketing campaigns
Prezence offers mindfulness tools to strengthen connections within yourself, your relationships, and technology
Accelerate the source-to-award process to optimize your budget
Fish feed that makes aquaculture safer and more sustainable
Tools and services help you clean up, protect and improve how you look online
Connect your employees with their full potential.
Premium sound headphones that handle calls as easily as commands to Alexa, Siri, or Google
Helping brands market through retail channels
was acquired by Strava in 2022. Fix aches & pains, and prevent your next injury. Custom prehab routines for every runner.
Acquired by Rootworks in 2022.
provides customer Insights From Actual Sales Records
Acquired by 1-800-FLOWERS in 2022.
provides fun learning experiences for women
Acquired by Attentive in 2021.
(formerly known as Save My Sales) helps companies build the highest-converting, most personal engagement channel for their brands.
Acquired by Ad Practitioners LLC in 2020. At
(formerly known as Polis) we are building a world where people talk to each other in person
Acquired by Alligent Biopharm Consulting in 2020. Gets drugs to market faster by cutting FDA document preparation in half
in 2020. Large project general contractors save time and money with wireless sensors relaying concrete strength, temperature and relative humidity data
Quadient in 2020.
YayPay is an accounts receivable automation solution that makes collecting money fast, easy, and highly predictable
Acquired in 2020. Online SAT and ACT prep and coaching.
Acquired by TimePayment in 2019.
Fintech software matching commercial equipment buyers with effective financing
Acquired by CenturyLink in 2019. Video content delivery at higher quality for a lower cost
Acquired by NewWave Telecom & Technologies in 2019. Easy-to-use web programs that eliminate traditional paper-based medical coding
Acquired by Ruffalo Noel Levitz in 2019. Engaging alumni and increasing donations at universies
Acquired by FMSystems in 2019. Real-time business intelligence on how offices are being used for facility planning
Acquired by Consolidated Precision Products in 2019. Poly6 Technologies develops materials for digitally manufacturing high-value, complex structures
Acquired by SARORAS Private Capital in 2019. High-quality, real-time physician insights via surveys
Went public in Australia in 2017. Applying AI to sales enablement.
Acquired by Highjump in 2017. Managed cloud solutions for EDI and global data synchronization network (GDSN) for mid-size suppliers and manufacturers.
Setem: Acquired by XMOS in 2017. Improving speech recognition systems and human communication in noisy environments.
Purchased by Samsung for $250M in 2015. Mobile payment solution.
Acquired by Good Technologies in 2012 and then Blackberry. PC backup and User Data Management solution.
Acquired by Ingenico in 2015. Helping mobile merchants and direct sellers handle payments via their own mobile phones.
Acquired by Google in 2012. Coupon targeting based on receipts.
Copyright © 2022