s28 Capital is an early stage venture fund based in San Francisco with $170M under management. The team invests in founders building scalable and defensible products across the gamut of consumer and enterprise technology sectors, and typically invests at both the Seed and Series A fundraising stages.

S28 Capital

Operating Partner

Founder and Partner

Venture Partner

General Partner

Freenome raised $7000000 on 2017-08-28 in Series A

Freenome, Inc., is an artificial intelligence (AI) genomics biotech company. The company develops and provides a medical arti?cial intelligence platform for early detection of cancer. It develops blood tests for early-cancer screening and treatment selection. The company also provides clinical research services. Freenome, Inc. was founded in 2014 and is based in South San Francisco, California.

Freenome, Inc.

Social Construct raised $17400000 on 2019-11-01 in Venture Round

Social Construct Company manufactures construction technology, which includes precision-engineered systems induced with software to generate floor plans, electrical and plumbing plans, and on-site assembly. The company caters to real estate developers. Social Construct Company was founded in 2017 and is based in San Francisco, California.

Social Construct Company

Agnostiq raised $80000 on 2019-02-14 in Pre Seed Round

Agnostiq Inc. designs and develops a security software for quantum cloud computers. The company’s software solutions provide secure access over cloud platform for the privacy of data and algorithms. The platform is made compatible with quantum hardware that increases or decreases the security as per quantum of hardware. It offers cross-platform solutions across cloud services providers by integrating with existing software development kit (SDK), and offers user selectable overheads for its users. Agnostiq Inc. was founded in 2018 and is headquartered in Toronto, Canada.

Agnostiq

Memfault raised $8500000 on 2021-04-01 in Series A

Memfault provides solutions for firmware delivery, monitoring, and diagnostics to consumer electronics businesses. The company takes care of software updates and diagnostics, so that the user can focus on what makes its products unique. Memfault’s SDK works with existing hardware. Monitor and deploy a firmware to low level devices via Bluetooth, Wi-Fi, USB, or proprietary protocol.

Memfault is based in San Francisco, California.

Memfault Inc

Acquire raised $5400000 on 2019-11-15 in Seed Round

Acquire is a unified customer engagement platform that brings all communication, interactions, channels, and tools under one roof. With Acquire, teams are able to respond to customers instantly using live chat, chatbots, cobrowse, video and voice, email, SMS, and more — all from one simplified dashboard.

Acquire

Collimator raised $5000000 on 2022-02-01 in Seed Round

Modern cloud-native engineering modeling and simulation software

Collimator

Qassurance AI raised an undisclosed amount on 2017-11-10 in Seed Round

Qassurance AI

Teleport raised $110000000 on 2022-05-03 in Series C

Teleport enables engineers to quickly access any computing resource anywhere on the planet. Our open source products provide a Unified Access Plane (UAP) for developers and security professionals seeking to simplify secure access to servers, applications, and data across all environments. Our Unified Access Plane solution includes Teleport Server Access, Teleport Kubernetes Access, and Teleport Application Access.

Teleport is the UAP of choice among leading companies, including Elastic, Samsung, NASDAQ, and IBM. We are backed by Kleiner Perkins, Y Combinator and S28 Capital. Teleport is a pioneer in environment-free computing. Headquartered in Oakland, California, we embrace a remote-first work culture.

For more information, visit us at https://goteleport.com/ or on Twitter @goteleport

Gravitational

OpsLevel raised $15000000 on 2022-03-01 in Series A

OpsLevel

Tenzo raised $5000000 on 2023-05-16 in Series A

Tenzo helps retailers improve their bottom line by connecting all of their data sources and delivering actionable advice to the right person, in real time, through alerts and notifications on their phone. 

 They improve profitability by 20% by optimizing labor, improving customer satisfaction and more accurately forecasting demand.

Tenzo Inc.

Duetto raised $21000000 on 2014-07-09 in Series B

Duetto is hospitality’s only Revenue Strategy Platform. A powerful suite of cloud applications addresses the industry’s complexity in distribution and technology, providing solutions that increase booking conversion, efficiency, guest loyalty and revenue. The unique combination of hospitality experience and technology leadership drives Duetto to look for new and innovative solutions to the industry’s greatest challenges. Duetto delivers software-as-a-service to hotels and casinos that leverage dynamic data sources and actionable insights into pricing and demand across the enterprise, enabling a holistic and more profitable Revenue Strategy.

Duetto

CaptivateIQ raised $46000000 on 2021-04-07 in Series B

CaptivateIQ makes commissions clear and accurate with a flexible, automated solution designed to save teams countless hours and costly errors.

CaptivateIQ believe people are motivated by incentives which is why processing commissions correctly and in a timely manner can make or break team morale and company performance. Our solution helps businesses design and measure the right incentive plans to keep their teams aligned and motivated.

CaptivateIQ

CaptivateIQ raised $100000000 on 2022-01-26 in Series C

RudderStack raised $56000000 on 2022-02-02 in Series B

RudderStack, Inc. provides enterprise customer data infrastructure platform for collecting, storing, and routing customer event data from apps and website to data warehouse and cloud apps. It offers RudderStack that helps engineers, product managers, data scientists, marketers, and companies to consolidate all of their customer data and then extract value from this data. RudderStack, Inc. was formerly known as Rudder Labs, Inc. The company provides was founded in 2019 and is based in San Francisco, California.

RudderStack, Inc.

Panther Labs raised $15000000 on 2020-09-09 in Series A

Panther’s mission is to help security teams detect and respond to breaches at cloud-scale. 

Panther is more than a SIEM, it’s a sustainable way to monitor everything happening in your environment. In a world exploding with data, automation is critical. Panther directly enables security teams to create expressive detections with Python and store years of normalized and structured data in a security data lake. Move to a platform built for security engineers, by security engineers.

Jack Naglieri launched the company in San Francisco, California in 2018.

Panther Labs, Inc.

MeMed raised an undisclosed amount on 2015-07-06 in Series C

MeMed Diagnostics Ltd. develops diagnostic solutions. The company offers MeMed BV, a pioneering test for distinguishing between bacterial and viral infections; and MeMed Key, a immunoassay platform, that opens the way to measuring multiple proteins with central lab performance at the point-of-need. It also offers ImmunoDx, a technology platform that provides a tool to prevent antibiotics misuse; addresses the diagnostic gap in the management of infectious diseases through a combination of molecular immunology, informatics, and clinical knowledge; and leverages the diagnostic system for differentiating bacteria from viruses, crafted by nature, and the body’s immune system. Its solution also diagnoses infections inaccessible for direct pathogen sampling; and avoids false alarms due to the presence of non-pathogenic bacteria and viruses. MeMed Diagnostics Ltd. was founded in 2009 and is based in Tirat Carmel, Israel.

MeMed

Kespry raised an undisclosed amount on 2019-03-27 in Series D

Kespry provides an aerial intelligence platform that transforms how organizations capture, analyze, and share insights about their business. It provides the information they need to accelerate their operations. Purpose-built for industrial use yet simple enough for any user, a wide variety of industries rely on Kespry to solve business-critical problems. Delivering a fully integrated solution from drone data capture to industry-specific analytics, Kespry serves customers across North America, Europe, and Australia, including John Deere, Hancock Claims Consultants, Catastrophe Response Unit (CRU), Fluor, Lehigh Hanson/Heidelberg, and Colas USA.

Kespry

Freedom Robotics raised $6600000 on 2019-07-23 in Seed Round

Freedom Robotics, Inc. develops software infrastructure for modern robotics companies. It develops software infrastructure to enable the robotics companies to build, operate, support, and scale robots and robotic fleets. The company was incorporated in 2017 and is headquartered in San Francisco, California.

Freedom Robotics, Inc.

Coefficient raised $6700000 on 2021-10-26 in Seed Round

Coefficient Works, Inc. develops data analysis software that imports, customizes, and automates data. The company’s solution automates workflows and consolidates data in spreadsheets for data analysis. The company was founded in 2019 and is based in Mountain View, California.

Coefficient

Reflektive raised $13000000 on 2016-05-04 in Series A

Reflektive, Inc. provides a platform for employee performance, engagement, and analytics. Its solution enables employees to give each other instant feedback through an interface without leaving their core workflows. The company also offers Calibration, a central tool to ensure fairness and equality in performance and talent ratings across managers, departments and locations. Its solutions are used by HRBPs, leaders, and managers. Reflektive, Inc. was incorporated in 2013 and is headquartered in San Francisco, California.

Reflektive, Inc.

Panther raised $120000000 on 2021-12-02 in Series B

CaptivateIQ raised $3480000 on 2018-03-14 in Seed Round

Rhumbix raised $14300000 on 2019-06-20 in Series B

Rhumbix, Inc. develops and delivers a mobile platform for construction field supervision to ensure crews have the materials, tools, equipment, and approved drawings to complete the day’s work. Its platform allows information flow upwards through mobile tools designed for the craft workforce, captures accurate data from the field in real-time, and provides project managers with data-driven insights to improve site safety and labor productivity, as well as empowers foremen and work crews by providing daily feedback on performance. The company was incorporated in 2014 and is based in San Francisco, California.

Rhumbix, Inc.

Slapdash raised $3700000 on 2021-03-18 in Seed Round

Slapdash is a re-imagining of how we work with cloud applications with a focus on speed. Use the Slapdash Command Bar (kind of like Spotlight) to achieve day-to-day work tasks (find a document, join a meeting, create a lead, find out who's who) order of magnitudes faster.

Slapdash

Panther Labs raised an undisclosed amount on 2018-11-14 in Pre Seed Round

Gravitational raised an undisclosed amount on 2015-05-01 in Seed Round

Collective Health raised $81000000 on 2015-10-20 in Series C

Collective Health gives companies a smarter alternative to traditional health insurance. Through a cloud-based, integrated health benefits platform, the company enables self-insured employers to get more out of their healthcare investment while taking better care of their people. 

Collective Health has seen exponential traction in the $1.2 trillion employer-sponsored insurance market -- its membership has grown by 500x in just three sales cycles. Currently, the company covers 70,000 employee and dependent lives across 15 employers; clients include Activision Blizzard, Crossfit, eBay, Palantir and Red Bull.  

For more information, visit https://www.collectivehealth.com.

Collective Health

LucidLink raised $6000000 on 2018-06-29 in Seed Round

Lucid provides a cloud-backed distributed file service allowing instant access to an unlimited, shared, and secure file space in the cloud. It believes cloud object storage has the power to transform the way individuals and businesses store and access their files.

LucidLink aims to change that with universal distributed file system that streams data from cloud object storage. It purpose built it to integrate with object storage through high latency environments, and address the source of the challenge, not the symptom. Simply stated,  LucidLink provides the ability to mount an object store in the cloud and use it as local storage.

LucidLink Corp.

Intermix.io raised $3060000 on 2018-05-01 in Seed Round

Intermix Software, Inc. designs and develops performance-monitoring products that help data teams to monitor mission-critical data flows. It offers an analytics platform to find and fix the issues impacting data health, spot bottlenecks in data pipelines, detect troublesome queries, and optimize resources. Intermix Software, Inc. was founded in 2016 and is headquartered in San Francisco, California.

Intermix Software, Inc.

Rhumbix raised $6250000 on 2016-12-07 in Series A

PlanGrid raised $50000000 on 2015-11-18 in Series B

PlanGrid provides a cloud-based construction document collaboration platform that allows plans, markups, photos, and reports to be instantaneously shared with everyone on a construction project. Its platform lets contractors and architects collaborate from their desktop or mobile devices across all their project plans, specifications, photos, RFIs, and punchlists. 

Major construction firms use the platform of PlanGrid. Kenny Stone, Ralph Gootee, Ryan Sutton-Gee,  and Tracy Young founded Loupe in 2011 that later became PlanGrid, with its headquarters in San Francisco in California.

PlanGrid

HERO raised $10000000 on 2019-08-01 in Series A

A pioneer in conversational commerce, HERO® is the messaging app for stores, powering Nike, adidas, Levi’s, Harvey Nichols, rag & bone and more. Our technology makes it effortless to text, chat and video call with customers; growing ecommerce sales and converting URL visitors into IRL customers. Find out more at usehero.com

HERO®

Bizzy raised $120000 on 2015-08-18 in Seed Round

Bizzy is engaged in the creation of behavioral email marketing strategies to boost the performance of e-commerce businesses.

Bizzy was founded by Chiara McPhee and Jennifer Kessler in 2014 and is based in San Francisco, California.

Bizzy

Acquire raised $6400000 on 2020-06-18 in Series A

Perpetua raised $4000000 on 2018-01-01 in Seed Round

Perpetua Labs builds growth infrastructure for e-commerce brands and agencies.  Our product takes all of the friction out of how to leverage keywords, creatives, audiences, campaigns, etc., and makes it easier for brands to maximize profits and optimize placement on the digital shelf.  We empower brands and marketers and give them superpowers.

Perpetua Labs, Inc.

EPINOMICS raised an undisclosed amount on 2014-03-17 in Funding Round

Epinomics Inc. decodes the programming of human genome to drive personalized medicine leveraging big data analytics and epigenomics technology. The company was founded in 2013 and is based in Menlo Park, California. As of March 31, 2018, Epinomics Inc. operates as a subsidiary of 10X Genomics, Inc.

EPINOMICS

CodeStream raised $5500000 on 2019-08-06 in Seed Round

CodeStream puts team chat directly into today’s most popular IDEs, making it easier for developers to talk about code and write software together. Build for coders by coders, its service helps software teams accelerate their development cycles and reduce technical debt through faster, easier communication.

CodeStream, Inc.

Karius raised $59000000 on 2017-08-05 in Series A

Karius is a life sciences company focused on generating genomic insights for infectious diseases with a non-invasive Karius Test that helps clinicians make rapid, treatment decisions.  By mapping each patient’s microbial landscape from a single blood draw, Karius moves closer to a vision of a world where infectious disease is no longer  a major threat to human health.  The Karius laboratory is CLIA-certified and CAP-accredited to perform high-complexity clinical laboratory testing.

Karius, Inc.

Rhumbix raised $7350000 on 2017-09-25 in Series A

OpsLevel raised $5000000 on 2020-11-18 in Seed Round

CaptivateIQ raised $13000000 on 2020-05-27 in Series A

Memfault raised $2500000 on 2019-11-15 in Seed Round

Termius raised $2735000 on 2019-06-21 in Seed Round

Termius lets the user to organize hosts into groups. Groups allow to share settings, though each host can have its own separate preferences. This data, along with connection and command history, is securely synced across all your devices. Termius uses end-to-end encryption to ensure the data remains safe and secure.

Termius

Coefficient raised an undisclosed amount on 2019-06-01 in Pre Seed Round

Chisel.ai raised an undisclosed amount on 2017-08-01 in Seed Round

Chisel AI provides artificial Intelligence solutions for the insurance industry in Canada and internationally. Its solutions use natural language processing and named entity recognition to read documents and extract critical data from digital native documents in various file formats, such as Word, PDF, and Excel. The company offers solutions for data extraction, errors and omissions check, submission prioritization, claims triage, and quote comparison. It serves provides insurers, reinsurers, and brokers. The company was founded in 2015 and is based in Toronto, Canada.

Chisel AI

Teleport raised $25000000 on 2019-11-20 in Series A

ScaleFT raised $2000000 on 2017-07-19 in Seed Round

ScaleFT is a software company building the next generation of cloud-native access management solutions. The company offers a comprehensive Zero Trust platform that unifies access controls across all user and resource types, saving from having to deploy and manage disparate PAM and IAM products. It controls access to their company resources through an intelligent access fabric that makes smarter trust decisions in real-time based on dynamic user and device conditions.

ScaleFT was founded in 2015 and is headquartered in San Francisco, California, United States.

ScaleFT

Outschool raised $1400000 on 2017-06-26 in Seed Round

Outschool connects motivated learners, parents, and teachers together to create great learning experiences. Their mission is to build the biggest and best global school by offering unique online classes from hundreds of independent teachers. Outschool teachers may be certified teachers, artists, scientists, or other adults with expertise or interest in teaching.

It was founded in 2015 and is based in San Francisco, California.

Outschool

Boxcat Inc. raised an undisclosed amount on 2017-10-24 in Venture Round

The first quantum startup in the world to render an image using a quantum computer.

Boxcat Inc.

Kespry raised $16000000 on 2016-06-21 in Series B

Airspace Systems raised $20000000 on 2018-03-12 in Series A

Airspace Systems designs, develops, and builds specialized drones. Its products solve meaningful problems that impact the world.  Its  teams are from the some of the best companies in the world. And we are backed by an amazing group of investors and advisors.

Airspace Systems is the only drone security solution capable of identifying, tracking, and autonomously removing rogue drones from the sky. Its hardware and software are purpose-built for this challenge—and get better with every mission—so that users can protect their airspace with the tap of a finger.

Airspace

Freenome raised $65000000 on 2017-03-01 in Series A

Seawise Capital raised $1500000 on 2019-04-25 in Seed Round

Seawise Capital Inc operates as a trade finance company for Indian exporters. The company offers small and medium-sized enterprises (SMEs) working capital against the international customers. It provides businesses with collateral-free capital by discounting invoices from the overseas customers. Additionally, the company also offers an online portal to upload invoices and get payments in real time. Seawise Capital Inc is headquartered in Santa Clara, California.

Seawise Capital

Beit raised $1400000 on 2019-10-01 in Seed Round

Beit designs and implements an algorithm for solving a relevant NP-complete class of problems using Quantum Computers, getting speedups better than quadratic, guaranteed by theory. Beit focuses on Hamiltonian cycle problem. NP-complete problems are abstractions relevant for many real world problems encountered in logistics, manufacturing, and warehousing at scale.

Beit is headquartered in Kraków, Poland.

Beit

Unfolded raised $6000000 on 2021-01-26 in Seed Round

Unfolded

TruSTAR raised $4000000 on 2020-02-01 in Funding Round

TruSTAR Technology, LLC provides a threat intelligence platform. It offers TruSTAR Enclave, a data repository used for storing, managing, and enriching sensitive events; and siloed fraud data and phishing solutions. The company was founded in 2014 and is based in San Francisco, California.

TruSTAR Technology

Lookback raised $6000000 on 2016-12-04 in Series A

Lookback is a user research tool founded by Ex-Spotify engineers.

Check out our latest launch Lookback Live: https://www.producthunt.com/posts/lookback-live.

Lookback AB

Acerta Analytics raised $133333 on 2017-04-07 in Seed Round

Acerta is transforming quality control by leveraging artificial intelligence to help automakers get complex products to market faster and with fewer defects. Our machine learning models are forged from industry experience and driven by data, enabling Acerta’s clients to locate the earliest indicators of future product failures. From reducing scrap and rework rates to accelerating root cause analysis, we provide automotive engineers with the tools to improve throughput and profits.

Acerta

Dynasty.com raised an undisclosed amount on 2016-06-01 in Seed Round

Dynasty Marketplace, Inc. develops artificial intelligence based software for real estate business. It enables individuals and institutions to buy and sell fractional ownership of individual properties on a liquid exchange. The application enables users to transform any email or phone number into a complete person with over 85 actionable data points. The company was incorporated in 2016 and is based in Venice, California. As of January 7, 2019, Dynasty Marketplace, Inc. operates as a subsidiary of AppFolio, Inc. As of January 7, 2019, Dynasty Marketplace, Inc. operates as a subsidiary of AppFolio, Inc..

Dynasty

Mattermost raised an undisclosed amount on 2017-02-15 in Seed Round

Mattermost, Inc. provides enterprise-grade messaging software solutions. It offers secure, configurable, scalable messaging across web, phone, and personal computer with archiving, search, and deep integration across in-house systems. The company was formerly known as SpinPunch, Inc. and changed its name to Mattermost, Inc. in September 2015. Mattermost, Inc. was incorporated in 2011 and is based in Palo Alto, California.

Mattermost, Inc.

Tenzo raised $1800000 on 2018-11-05 in Venture Round

Acerta Analytics raised $1750000 on 2017-07-07 in Seed Round

PatientBank raised an undisclosed amount on 2016-12-15 in Seed Round

PatientBank lets you request medical records online—from any doctor or hospital.

PatientBank

Eden raised $25000000 on 2019-11-19 in Series B

Eden Technologies, Inc. provides a workplace management platform for offices in the United States. The company’s platform is used for various applications, such as administrative support, catering, cleaning, design, corporate events, installation, repair and maintenance, moving, pest and animal control, it support, security, and supplies. Eden Technologies, Inc. was founded in 2001 and is based in San Francisco, California.

Eden

Vitagene raised $2000000 on 2016-02-17 in Seed Round

Vitagene leverages big data and machine learning to provide personalized, actionable diet, fitness, and supplement recommendations to its members.

Vitagene

Aurora Solar raised $20000000 on 2019-02-04 in Series A

Aurora Solar Inc. develops a cloud-based software solution for solar design and sales. Its web application is used for solar PV engineering design; provides workflow management functionality; and facilitates sales and customer acquisition. The company’s software is used across the solar industry from independent installers to module manufactures and large corporate contractors. Aurora Solar Inc. was founded in 2013 and is based in San Francisco, California.

Aurora Solar

Earnest raised $75000000 on 2015-11-17 in Series B

Earnest Operations LLC provides student loan refinancing, private student loans, and personal loans. Its private student loans include undergraduate private student loans, graduate private student loans, cosigned private student loans, business school loans, medical school loans, and law school loans. Its personal loans include credit card consolidation, engagement ring, home improvement, moving and relocation, vacation, and wedding loans. It serves clients in the United States through its platform. The company was incorporated in 2013 and is based in San Francisco, California. As of November 3, 2017, Earnest Operations LLC operates as a subsidiary of Navient Corporation.

Earnest Operations LLC

Mattermost raised $20000000 on 2019-02-05 in Series A

Airspace Systems raised $5000000 on 2016-11-18 in Seed Round

Panther Labs raised $4500000 on 2019-10-03 in Seed Round

Kespry raised $33000000 on 2017-12-05 in Series C

Mattermost raised $50000000 on 2019-06-19 in Series B

Collimator raised $2000000 on 2021-02-01 in Pre Seed Round

Eden raised $10000000 on 2017-09-27 in Series A

RudderStack raised $5000000 on 2020-05-27 in Seed Round