Investors / Nantucket Ventures
Nantucket Ventures
Venture capital
Nantucket Ventures is an operator-led venture firm that invests in early-stage fintech companies. It writes early checks, takes concentrated positions, and stays involved with founders over the long run.
Invests inFintechCybersecurity
In its own wordsfintechembedded financepaymentscompliancedigital assetsinfrastructure
Your fit with Nantucket Ventures
Four questions about your startup
See how your round matches what it backs, point by point.
Or find every investor that fitsNantucket Ventures lists 4 checked portfolio companies on its own site. Its largest themes are Fintech (63%), Cybersecurity (25%) and Human Resources (13%). 100% of its companies are based in United States. It invests most often alongside Adapt Ventures, Afore Capital and Alloy Fund.
No funding round on record names Nantucket Ventures yet, so the figures come from its portfolio page.
Invests most often with
firms sharing its portfolio companiesShow as a table
| Share | |
|---|---|
| Adapt Ventures | 1 |
| Afore Capital | 1 |
| Alloy Fund | 1 |
| Articulate | 1 |
| Blank Ventures | 1 |
| Commerce Ventures | 1 |
| Construct Capital | 1 |
| Contrary | 1 |
Its portfolio companies
where they are based, and what their own sites showSite status
- Site answers4100%
- No longer answers00%
- Points to another company00%
- 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.
Investment themes
share of its checked companiesThis firmAll checked companies
Show as a table
| This firm | All checked companies | |
|---|---|---|
| Fintech | 63% | 12% |
| Cybersecurity | 25% | 4% |
| Human Resources | 13% | 1% |
Co-investor network
who it backs companies with, and who they back togetherCompare Nantucket Ventures head to head
portfolio size, rounds, entry stages, themes and the companies both backThree or more firms at once: portfolio overlap.
Portfolio
4 companies checked against their own sites| Company | What it does | Themes | First round with it | Evidence |
|---|---|---|---|---|
| Baselayer provides business identity verification, risk, and fraud services to various industries, including finance and commerce. | FintechCybersecurity | Portfolio page | ||
| GrailPay provides a risk and data network for modern payments, offering services such as transaction intelligence, account intelligence, and open banking to prevent payment failures and boost onboarding and conversions. | FintechCybersecurity | Portfolio page | ||
| Rollfi provides embedded payroll and benefits services to businesses | FintechHuman Resources | Portfolio page | ||
| Uprise offers embedded tax and financial planning services for financial platforms, providing guidance to business owners | FintechFintech | Portfolio page |
About this data
site last read 11 Nov 2026- Site
- nantucketventures.com
- Last read
- 11 Nov 2026
- Watching since
- 7 Nov 2026
- Companies checked
- 4
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 Nantucket Ventures' profile as data
Pull Nantucket Ventures' 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.
Work email, sign-in link by email. Already have an account? Log in- Ask AI5 plain-English investor searches a day
- Full listsEvery portfolio row and two-firm overlap
- API and MCP100 REST or MCP calls a month, one key
- AlertsFollow 5 investors for portfolio and fund changes
$ curl -H "X-API-Key: YOUR_KEY" \
https://api.vcinfo.io/v1/firms/nantucketventures.com
# also
GET /v1/firms/nantucketventures.com/portfolio
GET /v1/firms/nantucketventures.com/coinvestors
GET /v1/firms/nantucketventures.com/news