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Investors / 15th Rock / Compare with Global Brain

15th Rock vs Global Brain

15th Rock lists 37 portfolio companies and has joined 3 funding rounds; Global Brain lists 429 companies and has joined 35 rounds. 15th Rock comes in most often at Series A (100% of its entries), Global Brain comes in most often at Series A (41% of its entries). 5 companies are on both portfolios, among them Cellid # XR/Metaverse # Japan, EneCoat Technologies and Mechasys.

37Portfolio companies429
3Funding rounds joined35
2Rounds led11
3Rounds, last 12 months29
$1M to $5MTypical round it comes in at$5M to $20M
0%Sites no longer answering0%
Show as a table
15th Rock and Global Brain, head to head
15th RockGlobal Brain
Portfolio companies37429
Funding rounds joined335
Rounds led211
Rounds, last 12 months329
Typical round it comes in at$1M to $5M$5M to $20M
Sites no longer answering0%0%

Where they come in

share of entries by stage
Pre-seed0%0%
Seed0%13%
Series A100%41%
Series B0%25%
Growth0%22%

15th RockGlobal Brain

Show as a table
Entry stages of 15th Rock and Global Brain, share of entries
15th RockGlobal Brain
Pre-seed0%0%
Seed0%13%
Series A100%41%
Series B0%25%
Growth0%22%

Themes

share of checked companies
Healthcare & Biotech23%10%
AI & Machine Learning20%16%
Fintech13%7%
Enterprise Software4%12%
Industrial & Manufacturing7%8%
Education7%6%

15th RockGlobal Brain

Show as a table
Themes of 15th Rock and Global Brain, share of checked companies
15th RockGlobal Brain
Healthcare & Biotech23%10%
AI & Machine Learning20%16%
Fintech13%7%
Enterprise Software4%12%
Industrial & Manufacturing7%8%
Education7%6%

Companies both back

5

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 15th Rock and Global Brain 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/15th-rock.com/portfolio

# also
GET /v1/firms/globalbrains.com/portfolio
GET /v1/firms/15th-rock.com/coinvestors
The same data as an MCP server for Claude, Cursor and other AI tools. Set up MCP · Docs · Pricing