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Investors / Blackbird / Compare with Main Sequence

Blackbird vs Main Sequence

Blackbird lists 140 portfolio companies and has joined 0 funding rounds; Main Sequence lists 64 companies and has joined 21 rounds. Main Sequence comes in most often at Series A (39% of its entries). 3 companies are on both portfolios, among them Baraja 1, Morse Micro and SUNDRIVE.

140Portfolio companies64
0Funding rounds joined21
0Rounds led7
0Rounds, last 12 months13
n/aTypical round it comes in at$5M to $20M
0%Sites no longer answering0%
Show as a table
Blackbird and Main Sequence, head to head
BlackbirdMain Sequence
Portfolio companies14064
Funding rounds joined021
Rounds led07
Rounds, last 12 months013
Typical round it comes in atn/a$5M to $20M
Sites no longer answering0%0%

Where they come in

share of entries by stage
Pre-seed0%6%
Seed0%22%
Series A0%39%
Series B0%11%
Growth0%22%

BlackbirdMain Sequence

Show as a table
Entry stages of Blackbird and Main Sequence, share of entries
BlackbirdMain Sequence
Pre-seed0%6%
Seed0%22%
Series A0%39%
Series B0%11%
Growth0%22%

Themes

share of checked companies
AI & Machine Learning22%32%
Industrial & Manufacturing9%16%
Healthcare & Biotech11%11%
Enterprise Software11%0%
Fintech9%0%
Education7%7%

BlackbirdMain Sequence

Show as a table
Themes of Blackbird and Main Sequence, share of checked companies
BlackbirdMain Sequence
AI & Machine Learning22%32%
Industrial & Manufacturing9%16%
Healthcare & Biotech11%11%
Enterprise Software11%0%
Fintech9%0%
Education7%7%

Companies both back

3

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

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Compare Blackbird and Main Sequence 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/blackbird.vc/portfolio

# also
GET /v1/firms/mseq.vc/portfolio
GET /v1/firms/blackbird.vc/coinvestors
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