# Tanya Marvin-Horowitz > Tanya Marvin-Horowitz is a seed investor at Capital A Partners backing Software. See 10 investments, check sizes, portfolio. Updated Aug 2026. - Type: Angel Investor - Fund: [Capital A Partners](https://shizune.co/investors/profile/capital-a-partners) - Location: Stockholm, Sweden - Total investments: 10 - Last investment: Feb 2026 - Lead investor: 50% - Last updated: Aug 2026 - LinkedIn: https://www.linkedin.com/in/tmhnycsthlm/ Tanya Marvin-Horowitz is a seed investor at Capital A Partners in Stockholm focused on Software and Artificial Intelligence. Partner, Butterfly Ventures, Co-Founder and Managing Partner, CapA Tanya is a Partner with Finland-based, Butterfly Ventures, a Nordic focused pre-Seed deep-tech fund and is responsible for investments in Sweden, Denmark, Norway and Iceland. Tanya is also the co-founder & Managing Partner of CapA, a US based early growth VC focused onsupporting new leaders of innovation between the Nordics, Israel and the USA. An M&A banker from NYC, Tanya followed her passion in 2013 to work with tech entrepreneurs as a VC investor and now based in Stockholm, is perfectly positioned to help budding startup teams gear up for the international market.In addition to being a collegiate tennis player and athlete enthusiast, Tanya has a dual Mathematics and Marketing degree from Georgia State University. ## Investment focus ### Industry | Industry | Investments | Share | | --- | --- | --- | | Software | 3 | 30% | | Artificial Intelligence | 2 | 20% | | PaaS | 1 | 10% | | Email | 1 | 10% | | Music | 1 | 10% | 22 industries tracked in total. ### Stage | Stage | Investments | Share | | --- | --- | --- | | Seed | 5 | 50% | | Funding Round | 2 | 20% | | Series A | 1 | 10% | | Venture - Series Unknown | 1 | 10% | ### Country | Country | Investments | Share | | --- | --- | --- | | Sweden | 7 | 70% | | Denmark | 1 | 10% | | Finland | 1 | 10% | ## Investments | Company | Description | Amount | Stage | Date | Website | | --- | --- | --- | --- | --- | --- | | Zenniz | Zenniz is an ITF approved game tracking solution that provides real-time info, such as automated line calling, stroke and serve speeds, shot charts, match statistics and more. Players and coaches at all levels can use Zenniz on and off the court to help improve their game. For tennis clubs, Zenniz is an easy and cost-effective way to upgrade to thenext level. Due to a new, innovative sensor technology, they’ve been able to keep the cost to a minimum, making Zenniz accessible for all clubs, coaches and players. | $6M | Venture - Series Unknown | Feb 20, 2026 | | | DREV | DREV is a cleantech company manufacturing contamination control solutions for the world’s most advanced manufacturing facilities. | $500K | Seed | Nov 05, 2025 | | | Zenniz | Zenniz is an ITF approved game tracking solution that provides real-time info, such as automated line calling, stroke and serve speeds, shot charts, match statistics and more. Players and coaches at all levels can use Zenniz on and off the court to help improve their game. For tennis clubs, Zenniz is an easy and cost-effective way to upgrade to thenext level. Due to a new, innovative sensor technology, they’ve been able to keep the cost to a minimum, making Zenniz accessible for all clubs, coaches and players. | $2.2M | Venture - Series Unknown | Mar 13, 2025 | | | Hypertype | Hypertype is a full-stack automation platform built for industrial aftersales. It combines three connected modules — Data Governance, AI Agents, and a Co-pilot + Management Layer — all powered by HyperBrain, a self-learning intelligence layer that continuously adapts to each customer’s data, feedback loops, and workflows to deliver end-to-endautomation and real-time operational insights. | $666.2K | Seed | Jul 04, 2024 | | | Atium | Clean water is one of the largest future challenges we stand before, and toxic pollutants are a large contributing factor. Heavy metals are some of the most toxic chemicals to human health and it is our goal, through our innovation, to contribute to a world where water treatment is more environmentally friendly and effective. Atium exists to helpensure clean water, for everyone. | $639.8K | Seed | Jun 17, 2024 | | | RiACT | RiACT provides a universal operating system for industrial robots as the interface between robotic hardware and intelligent robot applications. | | Venture - Series Unknown | Oct 12, 2023 | | | Reactional Music | GESTRUMENT is the revolutionary gesture based instrument. | $2.1M | Seed | Apr 12, 2023 | | | Reactional Music | Reactional Music is creating a new commercial layer for the global games industry that uses premium, licensed music to drive both user acquisition and player engagement. The company’s technology allows developers and publishers to integrate commercial music at two critical points in the player lifecycle:- Music in User Acquisition – improvingconversion, ROI, and campaign lifespan in playable ads and performance marketing.- Music in Games – increasing retention, session length, and monetization through adaptive, personalized music experiences.Reactional’s platform combines a patented rule-based adaptive music engine, a licensed catalog of more than six million tracks, and an automated rights and royalty system. The technology is already integrated with Unity and Unreal and is deployed across live projects with leading publishers and studios. | $2.2M | Seed | Apr 12, 2023 | | | OpenRatio | Enterprise Mobile Engagement Platform OpenRatio empowers enterprises to rapidly build context-aware and personalised apps to engage with their employees, clients and partners Our mission is engagement: We empower enterprises to rapidly build context-aware and personalised cross platform mobile apps to engage with their employees, clientsand partners.Why engagement? Because the payoff Is evident. Enterprises improve efficiency, productivity. satisfaction and interaction for employees and customers.By licensing OpenRatio mobile platform enterprises will be:------------------------------------------------------------------------------- 1- Cutting mobile development costs by over 80%2 - Move mobile publishing in-house and leveraging your exciting IT department know-how3 - Start building and deploying applications fast4 - Simplicity: Anyone within the organisation can start building and managing enterprise mobile applications5 - Open platform for partners to build modules and plugins 6 - Bring the consumer mobile experience to your enterprise | | | | | | Svenska Aerogel | Svenska Aerogel is a research and development company that commercializes a patented version of the material aerogel in various applications. The commercialization is done in close cooperation with industrial partners representing different key business areas. | | Series A | | | 10 of 10 investments shown. ## Co-investors - [Amanotes](https://shizune.co/investors/profile/amanotes) — VC Fund, 2 deals together - [Superhero Capital](https://shizune.co/investors/profile/superhero-cap) — VC Fund, 2 deals together - [Almi Invest GreenTech](https://shizune.co/investors/profile/almi-invest-greentech) — VC Fund, 1 deal together - [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund, 1 deal together - [Battle Born Venture](https://shizune.co/investors/profile/battle-born-venture) — VC Fund, 1 deal together - [Bling Capital](https://shizune.co/investors/profile/bling-capital) — VC Fund, 1 deal together ## About Capital A Partners VC Fund · Charleston, United States Capital A Partners is a venture capital fund that invests in tech startups between the U.S. and the Nordics. 3 contacts available at Capital A Partners. | Name | Title | Profile | | --- | --- | --- | | Tanya Marvin-Horowitz | Co-Founder & Managing Partner | https://shizune.co/investors/profile/tanya-marvin-horowitz | | DAVID MENDEZ | Co-Founder & Managing Partner | https://shizune.co/investors/profile/david-mendez | | DAVID MENDEZ | Co-Founder & Managing Partner | https://shizune.co/investors/profile/david-mendez-2 | ## Similar investors ### Similar stage - [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund - [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund - [Right Side Capital Management](https://shizune.co/investors/profile/right-side-capital-management) — VC Fund ## FAQ ### What does Tanya Marvin-Horowitz invest in? Tanya Marvin-Horowitz invests primarily in Software, Artificial Intelligence and PaaS startups, most often at Seed and Funding Round stage. Most of the 10 investments tracked by Shizune back companies in Sweden. The Investment Focus section breaks down every industry, stage and country in the portfolio. ### When did Tanya Marvin-Horowitz last invest? The most recent investment recorded for Tanya Marvin-Horowitz closed in Feb 2026. Shizune tracks 10 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly. ### Is Shizune's investor data accurate? Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page. # About Shizune Shizune.co is an investor database. 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