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Investors / Alta Partners / Compare with RA Capital

Alta Partners vs RA Capital

Alta Partners lists 21 portfolio companies and has joined 2 funding rounds; RA Capital lists 216 companies and has joined 64 rounds. Alta Partners comes in most often at Series B (100% of its entries), RA Capital comes in most often at Growth (39% of its entries). 1 company is on both portfolios, among them TYRA Biosciences.

21Portfolio companies216
2Funding rounds joined64
1Rounds led25
1Rounds, last 12 months46
$100M or moreTypical round it comes in at$100M or more
0%Sites no longer answering0%
Show as a table
Alta Partners and RA Capital, head to head
Alta PartnersRA Capital
Portfolio companies21216
Funding rounds joined264
Rounds led125
Rounds, last 12 months146
Typical round it comes in at$100M or more$100M or more
Sites no longer answering0%0%

Where they come in

share of entries by stage
Pre-seed0%0%
Seed0%3%
Series A0%34%
Series B100%24%
Growth0%39%

Alta PartnersRA Capital

Show as a table
Entry stages of Alta Partners and RA Capital, share of entries
Alta PartnersRA Capital
Pre-seed0%0%
Seed0%3%
Series A0%34%
Series B100%24%
Growth0%39%

Themes

share of checked companies
Healthcare & Biotech96%86%
Media & Entertainment5%0%
Industrial & Manufacturing0%4%
AI & Machine Learning0%2%
Education0%2%
Real Estate & Construction0%1%

Alta PartnersRA Capital

Show as a table
Themes of Alta Partners and RA Capital, share of checked companies
Alta PartnersRA Capital
Healthcare & Biotech96%86%
Media & Entertainment5%0%
Industrial & Manufacturing0%4%
AI & Machine Learning0%2%
Education0%2%
Real Estate & Construction0%1%

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 Alta Partners and RA Capital 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/altapartners.com/portfolio

# also
GET /v1/firms/racap.com/portfolio
GET /v1/firms/altapartners.com/coinvestors
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