Investors / byFounders / Compare with QuantumLight
byFounders vs QuantumLight
byFounders lists 58 portfolio companies and has joined 25 funding rounds; QuantumLight lists 49 companies and has joined 15 rounds. byFounders comes in most often at Seed (55% of its entries), QuantumLight comes in most often at Series B (79% of its entries). 2 companies are on both portfolios, among them Lovable and Monta.
Show as a table
| byFounders | QuantumLight | |
|---|---|---|
| Portfolio companies | 58 | 49 |
| Funding rounds joined | 25 | 15 |
| Rounds led | 12 | 0 |
| Rounds, last 12 months | 14 | 10 |
| Typical round it comes in at | $1M to $5M | $20M to $100M |
| Sites no longer answering | 0% | 0% |
Where they come in
share of entries by stagebyFoundersQuantumLight
Show as a table
| byFounders | QuantumLight | |
|---|---|---|
| Pre-seed | 20% | 0% |
| Seed | 55% | 0% |
| Series A | 20% | 14% |
| Series B | 5% | 79% |
| Growth | 0% | 7% |
Themes
share of checked companiesbyFoundersQuantumLight
Show as a table
| byFounders | QuantumLight | |
|---|---|---|
| AI & Machine Learning | 20% | 32% |
| Fintech | 9% | 14% |
| Healthcare & Biotech | 9% | 10% |
| Cybersecurity | 6% | 8% |
| E-commerce & Marketplaces | 8% | 6% |
| Industrial & Manufacturing | 7% | 2% |
Companies both back
2Shared 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 byFounders and QuantumLight 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/byfounders.vc/portfolio
# also
GET /v1/firms/quantumlightcapital.com/portfolio
GET /v1/firms/byfounders.vc/coinvestors