/

Investors / 1confirmation / Compare with Sixth Horizon

1confirmation vs Sixth Horizon

1confirmation lists 48 portfolio companies and has joined 6 funding rounds; Sixth Horizon lists 9 companies and has joined 1 round. 1confirmation comes in most often at Seed (80% of its entries), Sixth Horizon comes in most often at Seed (100% of its entries). 1 company is on both portfolios, among them Polymarket.

48Portfolio companies9
6Funding rounds joined1
2Rounds led0
1Rounds, last 12 months0
$5M to $20MTypical round it comes in at$1M to $5M
0%Sites no longer answering0%
Show as a table
1confirmation and Sixth Horizon, head to head
1confirmationSixth Horizon
Portfolio companies489
Funding rounds joined61
Rounds led20
Rounds, last 12 months10
Typical round it comes in at$5M to $20M$1M to $5M
Sites no longer answering0%0%

Where they come in

share of entries by stage
Pre-seed0%0%
Seed80%100%
Series A20%0%
Series B0%0%
Growth0%0%

1confirmationSixth Horizon

Show as a table
Entry stages of 1confirmation and Sixth Horizon, share of entries
1confirmationSixth Horizon
Pre-seed0%0%
Seed80%100%
Series A20%0%
Series B0%0%
Growth0%0%

Themes

share of checked companies
Fintech44%20%
AI & Machine Learning9%27%
Industrial & Manufacturing0%13%
Cybersecurity1%13%
Crypto & Web310%0%
Enterprise Software9%7%

1confirmationSixth Horizon

Show as a table
Themes of 1confirmation and Sixth Horizon, share of checked companies
1confirmationSixth Horizon
Fintech44%20%
AI & Machine Learning9%27%
Industrial & Manufacturing0%13%
Cybersecurity1%13%
Crypto & Web310%0%
Enterprise Software9%7%

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 1confirmation and Sixth Horizon 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
VCinfo API
$ curl -H "X-API-Key: YOUR_KEY" \
  https://api.vcinfo.io/v1/firms/1confirmation.com/portfolio

# also
GET /v1/firms/6th.sg/portfolio
GET /v1/firms/1confirmation.com/coinvestors
The same data as an MCP server for Claude, Cursor and other AI tools. Set up MCP · Docs · Pricing