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Investors / Open Opportunity Fund / Compare with Winter Street Ventures

Open Opportunity Fund vs Winter Street Ventures

Open Opportunity Fund lists 63 portfolio companies and has joined 2 funding rounds; Winter Street Ventures lists 3 companies and has joined 0 rounds. Open Opportunity Fund comes in most often at Seed (100% of its entries). 1 company is on both portfolios, among them Cityblock Health.

63Portfolio companies3
2Funding rounds joined0
1Rounds led0
2Rounds, last 12 months0
$5M to $20MTypical round it comes in atn/a
0%Sites no longer answering0%
Show as a table
Open Opportunity Fund and Winter Street Ventures, head to head
Open Opportunity FundWinter Street Ventures
Portfolio companies633
Funding rounds joined20
Rounds led10
Rounds, last 12 months20
Typical round it comes in at$5M to $20Mn/a
Sites no longer answering0%0%

Where they come in

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

Open Opportunity FundWinter Street Ventures

Show as a table
Entry stages of Open Opportunity Fund and Winter Street Ventures, share of entries
Open Opportunity FundWinter Street Ventures
Pre-seed0%0%
Seed100%0%
Series A0%0%
Series B0%0%
Growth0%0%

Themes

share of checked companies
Healthcare & Biotech13%100%
Fintech27%0%
AI & Machine Learning14%0%
Enterprise Software10%0%
Education7%0%
Space & Defense6%0%

Open Opportunity FundWinter Street Ventures

Show as a table
Themes of Open Opportunity Fund and Winter Street Ventures, share of checked companies
Open Opportunity FundWinter Street Ventures
Healthcare & Biotech13%100%
Fintech27%0%
AI & Machine Learning14%0%
Enterprise Software10%0%
Education7%0%
Space & Defense6%0%

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 Open Opportunity Fund and Winter Street Ventures 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/theopportunityfund.com/portfolio

# also
GET /v1/firms/winterstreetventures.com/portfolio
GET /v1/firms/theopportunityfund.com/coinvestors
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