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Investors / Alstin Capital / Compare with Third Rock Ventures

Alstin Capital vs Third Rock Ventures

Alstin Capital lists 24 portfolio companies and has joined 12 funding rounds; Third Rock Ventures lists 34 companies and has joined 7 rounds. Alstin Capital comes in most often at Series A (55% of its entries), Third Rock Ventures comes in most often at Growth (43% of its entries). 1 company is on both portfolios, among them Pliant.

24Portfolio companies34
12Funding rounds joined7
8Rounds led2
11Rounds, last 12 months3
$5M to $20MTypical round it comes in at$100M or more
0%Sites no longer answering0%
Show as a table
Alstin Capital and Third Rock Ventures, head to head
Alstin CapitalThird Rock Ventures
Portfolio companies2434
Funding rounds joined127
Rounds led82
Rounds, last 12 months113
Typical round it comes in at$5M to $20M$100M or more
Sites no longer answering0%0%

Where they come in

share of entries by stage
Pre-seed0%0%
Seed36%0%
Series A55%29%
Series B9%29%
Growth0%43%

Alstin CapitalThird Rock Ventures

Show as a table
Entry stages of Alstin Capital and Third Rock Ventures, share of entries
Alstin CapitalThird Rock Ventures
Pre-seed0%0%
Seed36%0%
Series A55%29%
Series B9%29%
Growth0%43%

Themes

share of checked companies
Healthcare & Biotech2%46%
AI & Machine Learning25%17%
Fintech21%15%
Enterprise Software16%0%
Cybersecurity9%2%
Legal & Compliance7%0%

Alstin CapitalThird Rock Ventures

Show as a table
Themes of Alstin Capital and Third Rock Ventures, share of checked companies
Alstin CapitalThird Rock Ventures
Healthcare & Biotech2%46%
AI & Machine Learning25%17%
Fintech21%15%
Enterprise Software16%0%
Cybersecurity9%2%
Legal & Compliance7%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 Alstin Capital and Third Rock 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/alstin.capital/portfolio

# also
GET /v1/firms/thirdrockventures.com/portfolio
GET /v1/firms/alstin.capital/coinvestors
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