Brain Tumor Investment Fund
Newton, Massachusetts, United StatesFounded 2020
The Brain Tumor Investment Fund (BTIF) is a venture philanthropy fund that focuses on investing in biotechnology, pharmaceutical, and medical device companies. Its strategy is to support the development of products aimed at improving the lives of brain tumor patients, thereby bridging the gap between scientific discovery and commercial product development.
67% of their portfolio is in Biotech & Life Sciences. They made 3 investments in the last 12 months. Average disclosed round size is $50.7M (across 3 rounds with reported amounts).
Portfolio
3
Fund Size
—
Top Stage
Series B
Last 12 Mo
3
Portfolio Breakdown
Stage Distribution
Sector Distribution
Portfolio
3 investments
| Company | Round | Amount | Date |
|---|---|---|---|
 Trogenix | Series A | $80M | Oct 2025 |
 Diakonos Oncology Corp. | Unknown | $20M | May 2025 |
 Alpheus Medical, Inc. | Series B | $52M | May 2025 |
Top Co-Investors
HealthQuest Capital1 shared
Samsara BioCapital1 shared
OrbiMed1 shared
Action Potential Venture Capital1 shared
BrightEdge1 shared
IQ Capital1 shared
4BIO Capital1 shared
Cancer Research Horizons1 shared
Eli Lilly and Company1 shared
LongeVC1 shared
Calculus Capital1 shared
Last updated: 9 April 2026