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Investors / ARK Venture Fund / Compare with Magnetar AI Ventures

ARK Venture Fund vs Magnetar AI Ventures

ARK Venture Fund lists 64 portfolio companies and has joined 27 funding rounds; Magnetar AI Ventures lists 10 companies and has joined 13 rounds. ARK Venture Fund comes in most often at Growth (48% of its entries), Magnetar AI Ventures comes in most often at Growth (55% of its entries). 3 companies are on both portfolios, among them Apptronik, Hydra Host and OpenAI.

64Portfolio companies10
27Funding rounds joined13
2Rounds led5
18Rounds, last 12 months8
$100M or moreTypical round it comes in at$100M or more
0%Sites no longer answering0%
Show as a table
ARK Venture Fund and Magnetar AI Ventures, head to head
ARK Venture FundMagnetar AI Ventures
Portfolio companies6410
Funding rounds joined2713
Rounds led25
Rounds, last 12 months188
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-seed4%0%
Seed4%0%
Series A20%27%
Series B24%18%
Growth48%55%

ARK Venture FundMagnetar AI Ventures

Show as a table
Entry stages of ARK Venture Fund and Magnetar AI Ventures, share of entries
ARK Venture FundMagnetar AI Ventures
Pre-seed4%0%
Seed4%0%
Series A20%27%
Series B24%18%
Growth48%55%

Themes

share of checked companies
AI & Machine Learning28%29%
Healthcare & Biotech17%0%
Industrial & Manufacturing8%14%
Cybersecurity4%14%
Space & Defense2%14%
Fintech10%0%

ARK Venture FundMagnetar AI Ventures

Show as a table
Themes of ARK Venture Fund and Magnetar AI Ventures, share of checked companies
ARK Venture FundMagnetar AI Ventures
AI & Machine Learning28%29%
Healthcare & Biotech17%0%
Industrial & Manufacturing8%14%
Cybersecurity4%14%
Space & Defense2%14%
Fintech10%0%

Companies both back

3

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 ARK Venture Fund and Magnetar AI 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/ark-funds.com/portfolio

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