Walnut has invested in over 200 companies in the past 20 years. Our current investments and some of our recent exits are shown here.
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
Get drugs to market faster by cutting FDA document preparation in half
Order catering from 55,858 restaurants nationwide for business meetings
Helping brands and their agencies optimize video campaigns
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.
Build the highest-converting, most personal engagement channel for your brand.
Buying tires made easy.
On demand telemedicine at the fingertips of dispatchers and first reponders.
YayPay is an accounts receivable automation solution that makes collecting money fast, easy, and highly predictable
Whether you're in foodservice, retail or hospitality, the Jobletics system helps you build a reliable team and create a constant flow of qualified professionals to ensure your shifts are always cov
Fact based insight into the nuances of your customer's taste preferences; how to leverage them; and how to stay ahead of your competition.
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.
Fun learning experiences for women
Materials handling robots for warehouses
Ventilation monitoring for non-intubated patients
A choice-based video ad platform that delivers a positive experience for both advertisers and consumers
Large project general contractors save time and money with wireless sensors relaying concrete strength, temperature and relative humidity data
Helping brands discover and activate their most influential customers to distribute content and drive social conversions
Splitwise: easily share expenses - with friends, with roommates, with anyone
A listening skills platform, where teachers use public radio
Empowering students to learn critical STEM skills through active, social recess-style play!
The Safest Rideshare for Families on the Go
Remote monitoring and control of LED lights in roadways, parking lots/garages and on campus
Natural prenatal nutritional supplements
Optimize website experiences before going live.
Asset and energy management capabilities that address HVAC, refrigeration, food prep equipment and more
The purest, cleanest, and best-performing cellulose insulation available.
Clinically-validated cognitive therapeutics, assessments, and diagnostics that look and feel like video games
Unique coating materials and process improve steam turbine efficiency to reduce carbon emissions
Surgery in a pill
Automatically source & engage the right talent
Online SAT & ACT prep and coaching
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
Leading provider of contingent workforce solutions for on-premise technology services
. Enabling the next generation of non-invasive diagnostics.
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
Accelerate the source-to-award process to optimize your budget
Fish feed that makes aquaculture safer and more sustainable
Automatically creates optimized walk lists, reduces walk time and makes reps 10x more successful at every door
Tools and services help you clean up, protect and improve how you look online
The first proactive voice caregiving service
Premium sound headphones that handle calls as easily as commands to Alexa, Siri, or Google
Bio-medical company improving drug delivery for cancer therapies
Helping brands market through retail channels
Extending the private golf club experience nationwide
Software increasing revenue yield in parking garages
Meenta makes it easy for scientists to instantly book time on shared research-equipment and services.
Applying artificial intelligence improve treatment of chronic conditions
Making mobile voting as easy and secure as mobile banking
Connect your employees with their full potential.
Electrifying the marine industry with a line of high performance electric propulsion systems.
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.
Acquired by Cambium Learning Technologies in 2005. Create an environment that fosters independent learning for all students.
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