Organization · Angel Group
Boston Harbor Angels
Boston Harbor Angels is an angel investment group based in Boston, Massachusetts, focused on supporting high-growth, early-stage companies through financial investment and expert guidance.
Overview
What Boston Harbor Angels does
What Boston Harbor Angels is
Boston Harbor Angels is an angel investment group based in Boston, Massachusetts, focused on supporting high-growth, early-stage companies through financial investment and expert guidance.
How it participates in the startup ecosystem
The current public profile supports funder capabilities. Each capability below is shown separately so organization identity and role-specific information do not get conflated.
Operational profile
Organization status and context
Organization status describes the entity itself. Funding and program availability appear within the relevant capability profile.
- Operational status
- Active
- Organization type
- Angel Group
- Founded
- Founded in 2004
- Approximate age
- About 22 years
- Structured capabilities
- Funder
- Last reviewed
- March 4, 2026
Official channels
Find Boston Harbor Angels elsewhere
Open the official website or a supported primary organization account.
Capability profile
Boston Harbor Angels as a funder
Investment thesis
Boston Harbor Angels invests in early-stage companies seeking to raise between $250,000 and $1.5 million. They look for businesses that are close to commercialization and possess a clear competitive advantage.
Focus narrative
Boston Harbor Angels invests in early-stage companies seeking to raise between $250,000 and $1.5 million. They look for businesses that are close to commercialization and possess a clear competitive advantage. The organization prefers capital-efficient companies that can achieve profitability with less than $5 million in equity investment and aim for a tenfold return within five years.
Terms and economics
- Typical check
- $250,000–$1,500,000
- Sweet spot
- $5,000,000
Focus and fit
- Stages
- Pre-seed · Seed · Seed+
- Regions
- North AmericaUnited States
Availability
- Currently deploying
- Yes
Portfolio and track record
Portfolio context
Boston Harbor Angels has invested in a variety of sectors, including information technology, life sciences, consumer products, business products, services, specialty materials, and aviation. Notable portfolio companies include Medumo, a healthcare technology company; Neuraly, focused on neurodegenerative diseases; and Siamab Therapeutics, a biotechnology firm. Other significant investments include AisleBuyer, Carbonite, Wasabi, 3Derm, and Akston Biosciences.
Common questions
What to know about Boston Harbor Angels
Upseed classifies Boston Harbor Angels under the Angel Group organization type. Its current public profile includes funder capabilities.
Source and update disclosure
Know what this page is based on
Source basis
Public organization and program material, official websites, and structured Upseed records.
Last reviewed
March 4, 2026
Known limits
Capability profiles appear only when a structured public profile also contains decision-useful role evidence. Terms and availability can change.
Upseed is an independent guide. It is not affiliated with or endorsed by the organization described on this page.