# HartBeat Ventures

> HartBeat Ventures is a VC fund in Encino backing Fitness, Wellness and Health Care. See 12 investments, round sizes, portfolio. Updated Oct 2026.

- Type: VC Fund
- Location: Encino, United States
- Total investments: 12
- Last investment: Sep 2026
- Lead investor: 17%
- Last updated: Oct 2026
- LinkedIn: https://www.linkedin.com/company/hartbeat-ventures
- Website: https://www.hartbeatventures.com/

HartBeat Ventures is a VC fund in Encino focused on Fitness and Wellness. HartBeat Ventures operates as a venture capital firm.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Fitness | 2 | 17% |
| Wellness | 2 | 17% |
| Health Care | 2 | 17% |
| Mobile Apps | 2 | 17% |
| Artificial Intelligence | 2 | 17% |

39 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Series B | 5 | 42% |
| Seed | 3 | 25% |
| Pre-Seed | 1 | 8% |
| Series A | 1 | 8% |
| Series C | 1 | 8% |

6 stages tracked in total.

### Country

| Country | Investments | Share |
| --- | --- | --- |
| United States | 9 | 75% |
| Cyprus | 1 | 8% |
| Estonia | 1 | 8% |

## Investments

| Company | Description | Round size | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Bluecore Energy | Bluecore Energy is a maritime nuclear energy startup that builds compact, zero-emission small modular reactors (SMRs) on floating barges to democratize access to clean energy. The company develops portable, water-cooled power systems designed to scale and meet the energy demands of heavy maritime operations, coastal communities, and major ports. | $50M | Seed | Sep 03, 2026 | https://www.bluecore.energy |
| Bluecore Energy | Bluecore Energy is a maritime nuclear energy startup that builds compact, zero-emission small modular reactors (SMRs) on floating barges to democratize access to clean energy. The company develops portable, water-cooled power systems designed to scale and meet the energy demands of heavy maritime operations, coastal communities, and major ports. | $10M | Pre-Seed | Jul 21, 2026 | https://www.bluecore.energy |
| MainFunc | MainFunc is a technology company building AI‑driven productivity tools, with a focus on enabling users, including knowledge workers and teams, to get real work done via autonomous AI agents. The company’s flagship product is Genspark, an AI workspace that automates tasks by collecting information from web searches, emails, meetings, and calls,processing it through a “Super Agent” that orchestrates many specialized AI sub‑agents, and generating outputs like full reports, slide decks, spreadsheets, or even prototype applications.In addition to productivity automation, MainFunc markets Genspark as an enhanced search and research tool: when users query the web, Genspark generates consolidated, bias‑reduced summaries using multiple underlying large‑language or multimodal models rather than relying on traditional keyword‑based ranking. | $85M | Series B | Mar 12, 2026 | https://mainfunc.ai |
| Sweatpals | SweatPals is the operating platform for the fitness and wellness communities. | $12M | Seed | Oct 28, 2025 | https://www.sweatpals.com |
| Simple | Simple is an AI coach that adapts to a user’s needs, helping them reach their weight loss and health goals. | $35M | Series B | Oct 01, 2025 | https://simple.life |
| Radiant | Radiant is a technology company that develops portable nuclear microreactors designed to generate electricity and heat in a compact, factory-built form. The company’s flagship product, Kaleidos, is engineered to be transportable to customer sites and to replace traditional power sources such as diesel generators for applications including backuppower and continuous energy supply. Radiant manages design, assembly, fueling, and testing of its reactors with a focus on modular deployment and energy generation without on-site water requirements. It also undertakes infrastructure planning for reactor production facilities to support broader availability of its microreactors. Radiant engages with regulatory processes and industry partners to advance testing and commercialization of its nuclear energy solutions. | $165M | Series C | Nov 14, 2024 | https://radiantnuclear.com/ |
| PATH | PathWater is to make sustainable bottled water that helps break the addiction to single-use plastic bottled water. We’re growing this revolution every day, as global consumer demands skyrocket for sustainable and reusable choices in bottled water packaging. | $30M | Series A | Sep 29, 2022 | https://www.drinkpathwater.com |
| Therabody | Therabody is a developer of medical devices for targeted vibration therapy and pain relief. The company is the maker of the massaging device Theragun. Therabody is headquartered in Dallas, Texas. | $165M | Private Equity | Sep 19, 2022 | https://www.theragun.com/ |
| Ready Player Me | Wolf3D is a developer of 3D printing and scanning platform for virtual reality and games. Its platform offers 3D printing of human sculptures using ultrasound data and creates models of bones and organs for surgical planning and for use in games and virtual reality helping developers to integrate 3D models into existing games, game engines, or VRapplications. | $56M | Series B | Aug 23, 2022 | http://readyplayer.me |
| Setter | Setter is a smart contract wallet that invites mainstream users into the fold and bridges the gap between web2-to-web3 commerce with ease. | $5M | Seed | Nov 09, 2021 | https://setter.co |

10 of 12 investments shown.

## Co-investors
- [Slauson & Co.](https://shizune.co/investors/profile/slauson-co) — VC Fund, 4 deals together
- [Andreessen Horowitz](https://shizune.co/investors/profile/andreessen-horowitz) — VC Fund, 3 deals together
- [Karman Ventures](https://shizune.co/investors/profile/karman-ventures) — VC Fund, 3 deals together
- [Markham Valley Ventures](https://shizune.co/investors/profile/markham-valley-ventures) — VC Fund, 3 deals together
- [Harlem Capital](https://shizune.co/investors/profile/harlem-capital-partners) — VC Fund, 2 deals together
- [LMNT Ventures](https://shizune.co/investors/profile/lmnt-ventures) — VC Fund, 2 deals together

## Similar investors

### Similar stage
- [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund
- [FJ Labs](https://shizune.co/investors/profile/fj-labs) — VC Fund
- [General Catalyst](https://shizune.co/investors/profile/general-catalyst-partners) — VC Fund

## FAQ

### What does HartBeat Ventures invest in?

HartBeat Ventures invests primarily in Fitness, Wellness and Health Care startups, most often at Series B and Seed stage. Most of the 12 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### When did HartBeat Ventures last invest?

The most recent investment recorded for HartBeat Ventures closed in Sep 2026. Shizune tracks 12 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 Oct 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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