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Investors / Cassius / Compare with Interplay

Cassius vs Interplay

Cassius lists 40 portfolio companies and has joined 2 funding rounds; Interplay lists 137 companies and has joined 3 rounds. Cassius comes in most often at Seed (100% of its entries), Interplay comes in most often at Seed (33% of its entries). 1 company is on both portfolios, among them Slumberkins.

40Portfolio companies137
2Funding rounds joined3
0Rounds led1
0Rounds, last 12 months1
$5M to $20MTypical round it comes in at$20M to $100M
0%Sites no longer answering0%
Show as a table
Cassius and Interplay, head to head
CassiusInterplay
Portfolio companies40137
Funding rounds joined23
Rounds led01
Rounds, last 12 months01
Typical round it comes in at$5M to $20M$20M to $100M
Sites no longer answering0%0%

Where they come in

share of entries by stage
Pre-seed0%0%
Seed100%33%
Series A0%33%
Series B0%0%
Growth0%33%

CassiusInterplay

Show as a table
Entry stages of Cassius and Interplay, share of entries
CassiusInterplay
Pre-seed0%0%
Seed100%33%
Series A0%33%
Series B0%0%
Growth0%33%

Themes

share of checked companies
Enterprise Software26%7%
Fintech0%21%
AI & Machine Learning14%14%
E-commerce & Marketplaces11%14%
Media & Entertainment13%3%
Healthcare & Biotech5%12%

CassiusInterplay

Show as a table
Themes of Cassius and Interplay, share of checked companies
CassiusInterplay
Enterprise Software26%7%
Fintech0%21%
AI & Machine Learning14%14%
E-commerce & Marketplaces11%14%
Media & Entertainment13%3%
Healthcare & Biotech5%12%

Companies both back

1

Shared 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

Free account · no card

Compare Cassius and Interplay 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.

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  • 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
VCinfo API
$ curl -H "X-API-Key: YOUR_KEY" \
  https://api.vcinfo.io/v1/firms/cassius.vc/portfolio

# also
GET /v1/firms/interplay.vc/portfolio
GET /v1/firms/cassius.vc/coinvestors
The same data as an MCP server for Claude, Cursor and other AI tools. Set up MCP · Docs · Pricing