Macmillan Cancer Support operates as a not-for-profit venture capital firm, focusing its investments on healthcare, digital health, health technology, life science, and oncology sectors. Its strategy involves funding new and innovative services and startups that develop cancer care products and technology to improve the lives of people affected by cancer.
67% of their portfolio is in Healthcare. Deal activity increased 100% year-over-year (2 deals in the last 12 months). Their most common stage is seed (67% of deals). Average disclosed round size is $16.7M (across 3 rounds with reported amounts).
Portfolio
3
Fund Size
$3.5M
Top Stage
Seed
Last 12 Mo
2
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
3 investments
| Company | Round | Amount | Date |
|---|---|---|---|
 Infinitopes | Seed | $35.1M | Jan 2026 |
 Perci Health | Seed | $4M | Jun 2025 |
| OOxford Cancer Analytics (OXcan) | Series A | $11M | Jan 2025 |
Top Co-Investors
Octopus Ventures2 shared
We Venture Capital1 shared
Civilization Ventures1 shared
OKG Investments1 shared
Cancer Research Horizons1 shared
Manta Ray Ventures1 shared
Guinness Ventures1 shared
Last updated: 9 April 2026