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Investors / 01A / Compare with Haystack

01A vs Haystack

01A lists 47 portfolio companies and has joined 5 funding rounds; Haystack lists 35 companies and has joined 24 rounds. 01A comes in most often at Series B (60% of its entries), Haystack comes in most often at Seed (61% of its entries). 1 company is on both portfolios, among them OpenDoor.

47Portfolio companies35
5Funding rounds joined24
0Rounds led2
0Rounds, last 12 months18
$20M to $100MTypical round it comes in at$5M to $20M
0%Sites no longer answering0%
Show as a table
01A and Haystack, head to head
01AHaystack
Portfolio companies4735
Funding rounds joined524
Rounds led02
Rounds, last 12 months018
Typical round it comes in at$20M to $100M$5M to $20M
Sites no longer answering0%0%

Where they come in

share of entries by stage
Pre-seed0%0%
Seed0%61%
Series A0%35%
Series B60%0%
Growth40%4%

01AHaystack

Show as a table
Entry stages of 01A and Haystack, share of entries
01AHaystack
Pre-seed0%0%
Seed0%61%
Series A0%35%
Series B60%0%
Growth40%4%

Themes

share of checked companies
Healthcare & Biotech7%27%
AI & Machine Learning26%25%
Enterprise Software13%10%
Fintech13%8%
Cybersecurity9%4%
Space & Defense6%6%

01AHaystack

Show as a table
Themes of 01A and Haystack, share of checked companies
01AHaystack
Healthcare & Biotech7%27%
AI & Machine Learning26%25%
Enterprise Software13%10%
Fintech13%8%
Cybersecurity9%4%
Space & Defense6%6%

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

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Compare 01A and Haystack 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/01a.com/portfolio

# also
GET /v1/firms/haystack.vc/portfolio
GET /v1/firms/01a.com/coinvestors
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