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. |
in vivo 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. |
Develop a non-invasive wearable medical device for the treatment of Neurodegenerative Diseases. |
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 |
Savran Technologies. Enabling the next generation of non-invasive diagnostics. |
Using tablets and sensors to improve operations of food serving retail chains. Company failed. |
Patented technology takes plastic and polyester waste to produce virgin-grade mPET resins. |
Quantivly 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. |
Bringing diversity to dinner tables through authentic homey meals inspired by immigrants. Travel the world through food. |
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 |
The only performance wearable system captures and analyzes movement data at scale to advance physical potential |
An evidence-based approach to integrate mental health support into your obstetric practice |
Know Your Audience. Control Your Tickets. |
BRNDTS harnesses the power of AI to place optimal realistic ads in video. |
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Recover Athletics was acquired by Strava in 2022. Fix aches & pains, and prevent your next injury. Custom prehab routines for every runner.
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Acquired by Rootworks in 2022. Tally Street provides customer Insights From Actual Sales Records
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Acquired by 1-800-FLOWERS in 2022. Alice's Table provides fun learning experiences for women
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Acquired by Attentive in 2021. Tone (formerly known as Save My Sales) helps companies build the highest-converting, most personal engagement channel for their brands.
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Acquired by Ad Practitioners LLC in 2020. At Knoq (formerly known as Polis) we are building a world where people talk to each other in person
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Acquired by Alligent Biopharm Consulting in 2020. Gets drugs to market faster by cutting FDA document preparation in half
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Acquired by Hilti in 2020. Large project general contractors save time and money with wireless sensors relaying concrete strength, temperature and relative humidity data
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Acquired by Quadient in 2020. YayPay is an accounts receivable automation solution that makes collecting money fast, easy, and highly predictable
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Acquired in 2020. Online SAT and ACT prep and coaching.
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Acquired by TimePayment in 2019. Fintech software matching commercial equipment buyers with effective financing
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Acquired by CenturyLink in 2019. Video content delivery at higher quality for a lower cost
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Acquired by NewWave Telecom & Technologies in 2019. Easy-to-use web programs that eliminate traditional paper-based medical coding
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Acquired by Ruffalo Noel Levitz in 2019. Engaging alumni and increasing donations at universies
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Acquired by FMSystems in 2019. Real-time business intelligence on how offices are being used for facility planning
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Acquired by Consolidated Precision Products in 2019. Poly6 Technologies develops materials for digitally manufacturing high-value, complex structures
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Acquired by SARORAS Private Capital in 2019. High-quality, real-time physician insights via surveys
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Went public in Australia in 2017. Applying AI to sales enablement.
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Acquired by Highjump in 2017. Managed cloud solutions for EDI and global data synchronization network (GDSN) for mid-size suppliers and manufacturers.
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Setem: Acquired by XMOS in 2017. Improving speech recognition systems and human communication in noisy environments.
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Purchased by Samsung for $250M in 2015. Mobile payment solution.
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Acquired by Good Technologies in 2012 and then Blackberry. PC backup and User Data Management solution.
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Acquired by Ingenico in 2015. Helping mobile merchants and direct sellers handle payments via their own mobile phones.
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Acquired by Google in 2012. Coupon targeting based on receipts.
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Acquired by GBS Europa in 2010. Provider of enterprise-class products and services that manages messaging platforms. |
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Had a $71 million IPO in 2020. However, in 2024, SQZ Biotech sold substantially all of its assets to STEMCELL Technologies Canada Acquisitions, Inc., and filed a Certificate of Dissolution with the Secretary of State of the State of Delaware. Developed therapies by directly manipulating the behavior of cells
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Acquired by Adomni in 2022. Provided digital signage networks the technology required to scale for free, by sharing programmatic revenue. |
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Netegrity had its initial public offering (IPO) in 1996. Later, in January 1998, it raised additional funding in a post-IPO round (Tracxn). |
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In November 2015, Constant Contact was acquired for $1.1 billion by Endurance International. It was a email service provider. |
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Acquired by Cambium Learning Technologies in 2005. Provides literacy solutions, tools and training for those with learning differences and challenges, or people with blindness or partially sighted. |
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Acquired by InspectionGo (iGo) in 2023. HomeBinder is home management platform providing centralized home documents, maintenance tools and reminders. |