---
title: "26 Fintech Investors in Massachusetts (Nov 2026): 23 in Boston"
last_updated: "2026-11-06"
rows: "26"
free_rows: "13"
source: "SEC Form D filings and our own research"
canonical: "https://theinvestordatabase.com/lists/fintech-investors-in-massachusetts/"
---

# 26 fintech investors in Massachusetts, including 23 in Boston

We list 26 fintech investors in Massachusetts as of November 2026: 25 have an SEC filing on file and 1 was checked on the firm's own website or an official register, and the list was last checked on 6 Nov 2026. The cities with the most head offices on this list are Boston (14), Cambridge (5) and Wellesley Hills (2). 23 of the 26 are in the Boston metro area, so this page is also our list of fintech investors in Boston.

- 26 investors
- 16 with a fund filing or dated deal in the last 12 months
- $89M median fund size on file (SEC Form D, 22 firms)
- 178 named decision-makers on file

## First 13 of 26 fintech investors in Massachusetts

| Investor | Type | HQ | Stages (our research) | Focus (our research) | Latest fund or deal | Fund size | Checked | Profile |
|---|---|---|---|---|---|---|---|---|
| Link Ventures | VC firm | Cambridge, MA | Pre-seed, Seed, Series A | Fintech, AI, Robotics, Industrial Tech | New deal, Jun 2026 | $200M (SEC Form D, 2021) | 2026-11-05 | https://theinvestordatabase.com/investors/link-ventures/ |
| Ignia | VC firm | Boston, MA | Seed | Fintech, AI, Ecommerce, Healthtech | Portfolio news, May 2026 | $10M (SEC Form D, 2022) | 2026-11-05 | https://theinvestordatabase.com/investors/ignia/ |
| Brewer Lane Ventures | VC firm | Boston, MA |  | Fintech, Insurtech, AI, Healthtech | Portfolio news, Aug 2026 | $203M (SEC Form D, 2022) | 2026-11-05 | https://theinvestordatabase.com/investors/brewer-lane-ventures/ |
| Fifth Down Capital | Fund manager | Boston, MA | Any stage | Fintech, AI, Industrial Tech, Future of Work | New fund, Jul 2026 | $200M (SEC Form D, 2024) | 2026-11-05 | https://theinvestordatabase.com/investors/fifth-down-capital/ |
| Oui Capital | VC firm | Millbury, MA | Pre-seed, Seed | Fintech, B2B, Mobility, Ecommerce | Portfolio news, Sep 2026 | $9M (SEC Form D, 2022) | 2026-11-05 | https://theinvestordatabase.com/investors/oui-capital/ |
| Spark Capital | VC firm | Boston, MA | Any stage | Fintech, AI, Industrial Tech, Generalist | New fund, Aug 2026 | $2.3B (SEC Form D, 2026) | 2026-11-04 | https://theinvestordatabase.com/investors/spark-capital/ |
| Underscore VC | VC firm | Boston, MA | Pre-seed, Seed | Fintech, AI, Healthtech, SaaS | New deal, Apr 2026 | $58M (SEC Form D, 2023) | 2026-11-05 | https://theinvestordatabase.com/investors/underscore-vc/ |
| Equal Opportunity Ventures | VC firm | Cambridge, MA | Pre-seed | Fintech, Healthtech, Food and Beverage, Ecommerce | New deal, Apr 2026 | $152M (SEC Form ADV) | 2026-11-05 | https://theinvestordatabase.com/investors/equal-opportunity-ventures/ |
| Bioventures Investors | VC firm | Westborough, MA | Growth | Fintech, Healthtech, Future of Work, Medtech | New deal, Apr 2025 | $350M (SEC Form D, 2020) | 2026-11-05 | https://theinvestordatabase.com/investors/bioventures-investors/ |
| One Way Ventures | VC firm | Boston, MA | Pre-seed, Seed, Growth | Fintech, AI, SaaS, Deep Tech | New fund, Jan 2026 | $60M (SEC Form D, 2025) | 2026-11-04 | https://theinvestordatabase.com/investors/one-way-ventures/ |
| Mendoza Ventures | VC firm | Boston, MA |  | Fintech, AI, Crypto and Web3, Cybersecurity | New fund, Dec 2024 | $13M (SEC Form D, 2020) | 2026-11-05 | https://theinvestordatabase.com/investors/mendoza-ventures/ |
| Clean Energy Ventures | VC firm | Boston, MA | Seed, Series A | Fintech, Energy, Climate Tech, Deep Tech | New deal, May 2026 | $306M (SEC Form D, 2022) | 2026-11-05 | https://theinvestordatabase.com/investors/clean-energy-ventures/ |
| Boston Seed | VC firm | Wellesley Hills, MA | Pre-seed, Seed | Fintech, AI, Developer Tools, Gaming | New deal, Jul 2025 | $60M (SEC Form D, 2024) | 2026-11-05 | https://theinvestordatabase.com/investors/boston-seed/ |

You are seeing 13 of 26. The full list adds 13 more investors and 178 named decision-makers.

Get all 26 investors and 178 named contacts, $49, one-time: https://theinvestordatabase.com/buy/list/fintech-investors-in-massachusetts
This page: https://theinvestordatabase.com/lists/fintech-investors-in-massachusetts/

## 23 fintech investors in Boston
14 of the 23 have a fund filing or a dated deal in the last 12 months; the median fund size on file is $100M (SEC Form D, 19 firms); the most recent fund filings are from Spark Capital (Aug 2026), Bronze (Jun 2026) and Companyon Ventures (Mar 2026); of the 20 with a stage on file, seed (14), pre-seed (10) and Series A (6); the count covers the metro area, by city: Boston (14), Cambridge (5) and Wellesley Hills (2); the paid file holds 161 named decision-makers for them.
The first 5 in list order: Link Ventures, Ignia, Brewer Lane Ventures, Fifth Down Capital and Spark Capital.

## Method and limits
- Source: 25 of the 26 rows carry an SEC filing (Form D or Form ADV). All 26 have a website we checked. Filing date and fund size are SEC data where a filing exists. Stage, sector and check size are our research.
- Inclusion rule: Organizations that back startups. Individuals, buyout funds and firms we found to be inactive are left out. Sector: the firm states fintech as a focus on its own site, or we observed it in the firm's portfolio. Place: head office in Massachusetts.
- Order: Activity score out of 100: recency of the latest fund filing or dated deal (35: full marks within 3 months, then stepping down at 6, 12 and 24 months), share of the observed portfolio in this sector (25; half of that when the sector is stated only), stated focus on the US (15: full marks when the firm names the US as where it invests, half when it says global), size of the fund on file on a log scale (15) and completeness of the public record (10). Regional focus is our research, not an SEC figure. It is a measure of activity and fit, not of quality or returns.
- Fill rates: Of 26 rows: stage 23, sector 26, fund size 24, website 26. In the paid file: named decision-makers on 26 rows, firm email on 10, LinkedIn page on 16, check size on 3.

## Questions
### How many fintech investors in Massachusetts are there?
We list 26 as of November 2026. 16 of the 26 have a fund filing or a dated deal in the last 12 months. The cities with the most are Boston (14), Cambridge (5) and Wellesley Hills (2).

### Which fintech investors in Massachusetts raised a new fund in the last 12 months?
5 of the 26 have a fund filing dated in the last 12 months. The most recent on this list are Spark Capital (Aug 2026), Bronze (Jun 2026) and Companyon Ventures (Mar 2026).

### What is the typical fund size of fintech investors in Massachusetts?
The median fund size on file for this list is $89M, across the 22 firms with a size on an SEC Form D. The fund on file is each firm's main fund, which is not always its newest. The other 4 do not disclose a size there.

### How do I contact fintech investors in Massachusetts?
The paid file holds 178 named decision-makers across 26 of these 26 and a firm email for 10. We publish the address a firm lists itself, never a personal email. Each free row links to a profile with the firm's website.

### Where does the data on fintech investors in Massachusetts come from?
25 of the 26 rows have an SEC filing on file (Form D or Form ADV) and 1 was checked on the firm's own website or an official register. Filing date and fund size come from the filing. Stage, sector and check size are our research. Rows on this list were last checked on 6 Nov 2026 at the latest. The whole file is re-verified twice a year.