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Boston Harbor Angels is a group of proven business leaders who invest personal capital in high-growth, early-stage companies, typically raising $250K to $1.5M. Founded in 2004, the group invests across a broad range of sectors including information technology, life sciences, consumer products, medical devices, and clean technology, providing both funding and mentorship to entrepreneurs.
32% of their portfolio is in Biotech & Life Sciences. Average disclosed round size is $5.9M (across 18 rounds with reported amounts).
Portfolio
11
Fund Size
—
Top Stage
Seed
Last 12 Mo
0
Team
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
19 investments
| Company | Round | Amount | Date |
|---|---|---|---|
| Series B | $5.2M | Jun 2022 | |
| Series A | $7.3M | Jan 2021 | |
| Seed | $2.4M | Jul 2017 | |
| Seed | $1.4M | Jan 2017 | |
| DDaktari Diagnostics | Series D | $15.5M | Mar 2015 |
| Unknown | $8.1M | Jun 2014 | |
| Series C | $18M | Jan 2014 | |
| Series A | $4.1M | Feb 2012 | |
| Series A | $2.2M | Nov 2011 | |
| VVizibility | Seed | $1.3M | Aug 2011 |
| Unknown | $1M | Feb 2011 | |
| DDaktari Diagnostics | Seed | $10M | Jan 2011 |
| Unknown | $1M | Jan 2011 | |
| VVizibility | Seed | $1M | Nov 2010 |
| Series A | — | — | |
| AArcher Roose | Unknown | $6M | — |
| Seed | $3.2M | — | |
| SSiamab Therapeutics | Series B | $12M | — |
| Unknown | $6M | — |
Top Co-Investors
Launchpad Capital7 shared
New York Angels3 shared
Keiretsu Forum3 shared
DeepWork Capital2 shared
Innovation Global Capital2 shared
Hub Angels2 shared
SoGal Ventures1 shared
Goat Rodeo Capital1 shared
Benson Oak Ventures1 shared
Gaingels1 shared
Desert Angels1 shared
Merck1 shared
WaterBridge Ventures1 shared
Edison Partners1 shared
Last updated: 20 October 2026