We track Spero Ventures but have little verified detail yet.
Strategy
Geographies
Bay Area
Funds
1| Fund | Vintage | Size | Strategy | Source |
|---|---|---|---|---|
| Spero Ventures Fund I | 2018 | $100M | Flagship | As of 2018Value Add VC funds tracker |
Portfolio
1 totalRecent Investment Activity
1Track record: led 0 and participated in 1 of 1 tracked venture round · 1 in the last 12 months
| Date | Company | Event | Role | Amount | Valuation | Investors | Source |
|---|---|---|---|---|---|---|---|
| Sep 30, 2026 | Tiny Health | Series B | Participated | $33M | — | B CapitalLeadunverifiedSpero VenturesunverifiedAlumni VenturesunverifiedGaingelsunverifiedThe Venture CityOverwater VenturesBlack Opal VenturesDenver Ventures+2 more | The SaaS News |
Co-Investors
3Latest Pulse
- Sep 30, 2026Tiny Health Raises $33M Series B For MicrobiomeAustin-based Tiny Health raised a $33 million Series B led by B Capital, bringing its total funding to $46 million, to advance clinical research, expand education for healthcare practitioners and scale Powered by Tiny, its B2B platform.→
- Sep 29, 2026Tiny Health Raises $33M To Scale Microbiome TestingTiny Health raised a $33 million Series B led by B Capital to expand its gut and vaginal microbiome testing, alongside a new $5 million clinical research program.→
Spero Ventures FAQ
What companies has Spero Ventures invested in?
Spero Ventures' portfolio includes Tiny Health.
Who does Spero Ventures co-invest with most?
In the rounds Value Add tracks, Spero Ventures most often invests alongside Alumni Ventures (1 shared deal), B Capital (1 shared deal), Gaingels (1 shared deal).
Sources & methodologyshow
Where these figures come from
- The SaaS Newsresearch database1 fact
- Value Add VC funds trackerValue Add VC data1 fact
Figures are labelled Reported (a source states it), Estimated, Derived (computed from other facts) or Rumored (in talks / unconfirmed). Rumors never replace a confirmed figure. Each figure keeps its own as-of date; history is preserved rather than overwritten.