Investors / United States / Underscore VC
Underscore VC
Venture capital · Boston, MA, United States · North America
Underscore VC is a Boston-based venture capital firm that backs founders applying AI to real-world problems at Pre-Seed and Seed. It operates an open-source investing model in which it profit-shares with experts in its Core Community who support the startups it backs.
Invests inAI & Machine LearningFintech
Your fit with Underscore VC
Four questions about your startup
See how your round matches what it backs, point by point.
Or find every investor that fitsUnderscore VC lists 48 checked portfolio companies on its own site and is named in 7 funding rounds, 1 of them as lead. Its most frequent entry is Seed, 67% of the companies with a known first round. Its largest themes are AI & Machine Learning (22%), Fintech (17%) and Healthcare & Biotech (15%). 86% of its companies are based in United States. It invests most often alongside Y Combinator, Dorm Room Fund and G20 Ventures.
Counts come from funding rounds that name Underscore VC, complete from mid-2025: earlier rounds appear only when they were reported later. Round amounts and full round histories are on Fundup AI.
Round figures show recent activity, not Underscore VC's whole history. Rounds on record name 6 companies; its own site lists 48. Funding rounds are complete from mid-2025, so counts and the yearly trend undercount a firm that invested before then. The portfolio, themes and places come from its own site and are not affected.
Entry stage
share of companies by the stage of its first roundShow as a table
| Value | |
|---|---|
| Pre-seed | 0% |
| Seed | 67% |
| Series A | 17% |
| Series B | 17% |
| Growth | 0% |
Activity by year
rounds it joined, last 10 yearsShow as a table
| Total | Rounds it led | |
|---|---|---|
| '17 | 0 | 0 |
| '18 | 0 | 0 |
| '19 | 0 | 0 |
| '20 | 0 | 0 |
| '21 | 0 | 0 |
| '22 | 0 | 0 |
| '23 | 1 | 0 |
| '24 | 0 | 0 |
| '25 | 2 | 0 |
| '26 | 4 | 1 |
Investor profile
percentile among all firmsShow as a table
| Measure | Percentile of all firms | Value |
|---|---|---|
| Portfolio size | 82th | 48 companies |
| Recent activity | 82th | 4 rounds in 12 months |
| Early stage | 80th | 67% of entries at pre-seed or seed |
| Evidence | 78th | 10% of companies confirmed by a round |
| Sector focus | 25th | 22% in its largest sector |
| Reach | 58th | 3 countries |
Investment themes
share of its checked companiesThis firmAll checked companies
Show as a table
| This firm | All checked companies | |
|---|---|---|
| AI & Machine Learning | 22% | 18% |
| Fintech | 17% | 12% |
| Healthcare & Biotech | 15% | 15% |
| Media & Entertainment | 9% | 4% |
| Enterprise Software | 7% | 8% |
| E-commerce & Marketplaces | 7% | 6% |
| Cybersecurity | 5% | 4% |
| Legal & Compliance | 3% | 2% |
Invests most often with
firms sharing its portfolio companiesShow as a table
| Share | |
|---|---|
| Y Combinator | 6 |
| Dorm Room Fund | 3 |
| G20 Ventures | 3 |
| Techstars | 3 |
| Afore Capital | 2 |
| Dell Technologies Capital | 2 |
| General Catalyst | 2 |
| Glynn Capital | 2 |
Its portfolio companies
where they are based, and what their own sites showSite status
- Site answers4696%
- No longer answers00%
- Points to another company24%
- Parked or sold domain00%
A site that stops answering three checks in a row is counted as no longer answering; that is not proof of closure. A site that points to another company is often an acquisition.
Co-investor network
who it backs companies with, and who they back togetherCompare Underscore VC head to head
portfolio size, rounds, entry stages, themes and the companies both backThree or more firms at once: portfolio overlap.
Recent portfolio activity
when companies last raised with Underscore VC| Date | Company | Stage |
|---|---|---|
| 26 Aug 2026 | Seed | |
| 2 Apr 2026 | Seed Led | |
| 24 Feb 2026 | Debt | |
| 24 Feb 2026 | Series B | |
| 23 Jul 2025 | Seed | |
| 1 Jul 2025 | Seed | |
| 20 Jul 2023 | Series A |
Round details for Underscore VC
Amounts, full round histories and every co-investor in Underscore VC's rounds are on Fundup AI. VCinfo covers investors and their portfolios.
Portfolio
48 companies checked against their own sites| Company | What it does | Themes | First round with it | Evidence |
|---|---|---|---|---|
| Aircon provides a digital air logistics network for freight forwarders | Legal & ComplianceIndustrial & Manufacturing | Portfolio page | ||
| Apploi provides an all-in-one workforce management platform to help attract, hire, and manage healthcare staff. | Healthcare & Biotech | Portfolio page | ||
| Portfolio page | ||||
| Bizzen provides an AI back office for construction companies to handle tasks such as paperwork and phone calls | FintechConsumer | Portfolio page | ||
| BusRight provides a platform for school bus routing and transportation management | EducationHealthcare & Biotech | Jul 2023Series A | Page + round | |
| Cenoa provides global payment services, allowing professionals to receive and withdraw payments in local currency with zero fees. | FintechE-commerce & Marketplaces | Portfolio page | ||
| Clockwork provides financial planning and analysis software | Fintech | Portfolio page | ||
| Cloudera provides a hybrid platform for data and AI | AI & Machine LearningCybersecurity | Portfolio page | ||
| CloudZero acts as the financial control plane for AI economics, giving finance, IT, and engineering a shared system to govern spend, value, and outcomes. | AI & Machine LearningFintech | Portfolio page | ||
| Coda provides a collaborative workspace for teams to work together and integrate various tools and applications. | Enterprise SoftwareAI & Machine Learning | Portfolio page | ||
| Copley identifies winning content combinations and generates on-brand high performing content to help businesses win | AI & Machine LearningMedia & Entertainment | Portfolio page | ||
| Forge AI provides a control plane for governing and securing AI systems and agents within an enterprise | AI & Machine LearningCybersecurity | Portfolio page | ||
| Frase creates, optimizes, and maintains content for Google and AI search, all in one place. | AI & Machine LearningMedia & Entertainment | Portfolio page | ||
| Gander Robotics develops and manufactures autonomous underwater vehicles | Robotics & HardwareAI & Machine Learning | Apr 2026Seed | Page + round | |
| Postcard offers cabin rentals and glamping in the US | Real Estate & ConstructionLegal & Compliance | Portfolio page | ||
| Darby processes incoming faxes and extracts clinical and billing fields for DME and O&P orders | Healthcare & Biotech | Portfolio page | ||
| The company sells wearable safety devices and related services. | ConsumerHealthcare & Biotech | Portfolio page | ||
| Kard uses predictive AI and first-party transaction data to power hyperpersonalized offers for customer acquisition | FintechMedia & Entertainment | Portfolio page | ||
| Goldcast empowers B2B marketing teams to produce, repurpose, and distribute video content with agentic workflows | Media & EntertainmentAI & Machine Learning | Portfolio page | ||
| H1 provides software solutions and data services for the healthcare industry | Healthcare & Biotech | Portfolio page |
About this data
site last read 5 Nov 2026- Site
- underscore.vc
- Last read
- 5 Nov 2026
- Watching since
- 5 Nov 2026
- Rounds since
- 20 Jul 2023
- Companies checked
- 48
Rates come from what VCinfo has observed since observation_start. Firms tend to remove companies that closed, so early rates understate reality. A company leaving a portfolio page does not mean it closed or exited. An unreachable site means our checks failed, nothing more.
Get Underscore VC's profile as data
Pull Underscore VC's portfolio, co-investors and changes through one API key or MCP, open every portfolio row, compare it with other firms, and get an email when it adds a company or files a fund.
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