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Investors / Logos Capital / Compare with Third Rock Ventures

Logos Capital vs Third Rock Ventures

Logos Capital lists 13 portfolio companies and has joined 13 funding rounds; Third Rock Ventures lists 34 companies and has joined 7 rounds. Logos Capital comes in most often at Series A (42% of its entries), Third Rock Ventures comes in most often at Growth (43% of its entries). 1 company is on both portfolios, among them mazetx.com.

13Portfolio companies34
13Funding rounds joined7
0Rounds led2
8Rounds, last 12 months3
$20M to $100MTypical round it comes in at$100M or more
0%Sites no longer answering0%
Show as a table
Logos Capital and Third Rock Ventures, head to head
Logos CapitalThird Rock Ventures
Portfolio companies1334
Funding rounds joined137
Rounds led02
Rounds, last 12 months83
Typical round it comes in at$20M to $100M$100M or more
Sites no longer answering0%0%

Where they come in

share of entries by stage
Pre-seed8%0%
Seed8%0%
Series A42%29%
Series B25%29%
Growth17%43%

Logos CapitalThird Rock Ventures

Show as a table
Entry stages of Logos Capital and Third Rock Ventures, share of entries
Logos CapitalThird Rock Ventures
Pre-seed8%0%
Seed8%0%
Series A42%29%
Series B25%29%
Growth17%43%

Themes

share of checked companies
Healthcare & Biotech59%46%
AI & Machine Learning6%17%
Fintech6%15%
Education12%0%
Industrial & Manufacturing12%7%
Robotics & Hardware6%0%

Logos CapitalThird Rock Ventures

Show as a table
Themes of Logos Capital and Third Rock Ventures, share of checked companies
Logos CapitalThird Rock Ventures
Healthcare & Biotech59%46%
AI & Machine Learning6%17%
Fintech6%15%
Education12%0%
Industrial & Manufacturing12%7%
Robotics & Hardware6%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 Logos 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/logoscapital.com/portfolio

# also
GET /v1/firms/thirdrockventures.com/portfolio
GET /v1/firms/logoscapital.com/coinvestors
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