Investors / Northern Gritstone / Compare with Seraphim Space
Northern Gritstone vs Seraphim Space
Northern Gritstone lists 33 portfolio companies and has joined 13 funding rounds; Seraphim Space lists 125 companies and has joined 12 rounds. Northern Gritstone comes in most often at Seed (62% of its entries), Seraphim Space comes in most often at Seed (73% of its entries). 1 company is on both portfolios, among them Opteran.
Show as a table
| Northern Gritstone | Seraphim Space | |
|---|---|---|
| Portfolio companies | 33 | 125 |
| Funding rounds joined | 13 | 12 |
| Rounds led | 10 | 2 |
| Rounds, last 12 months | 11 | 8 |
| Typical round it comes in at | $5M to $20M | $5M to $20M |
| Sites no longer answering | 0% | 0% |
Where they come in
share of entries by stageNorthern GritstoneSeraphim Space
Show as a table
| Northern Gritstone | Seraphim Space | |
|---|---|---|
| Pre-seed | 0% | 0% |
| Seed | 62% | 73% |
| Series A | 31% | 18% |
| Series B | 8% | 0% |
| Growth | 0% | 9% |
Themes
share of checked companiesNorthern GritstoneSeraphim Space
Show as a table
| Northern Gritstone | Seraphim Space | |
|---|---|---|
| AI & Machine Learning | 24% | 52% |
| Healthcare & Biotech | 30% | 4% |
| Space & Defense | 0% | 20% |
| Industrial & Manufacturing | 16% | 4% |
| Cybersecurity | 10% | 4% |
| Robotics & Hardware | 4% | 3% |
Companies both back
1Shared companies are those both firms' own portfolio pages list, each checked against the company's site. The same comparison through the API is POST /v1/overlap, for up to 20 firms. How the data is graded
Compare Northern Gritstone and Seraphim Space as data
Pull both portfolios and every co-investor through one API key or MCP, and lay up to 20 firms side by side with POST /v1/overlap. A free account adds Ask AI searches and alerts when either firm adds a company.
Work email, sign-in link by email. Already have an account? Log in- Ask AI5 plain-English investor searches a day
- Full listsEvery portfolio row and two-firm overlap
- API and MCP100 REST or MCP calls a month, one key
- AlertsFollow 5 investors for portfolio and fund changes
$ curl -H "X-API-Key: YOUR_KEY" \
https://api.vcinfo.io/v1/firms/northern-gritstone.com/portfolio
# also
GET /v1/firms/seraphim.vc/portfolio
GET /v1/firms/northern-gritstone.com/coinvestors