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Companies / Polar Sapphire

Polar Sapphire

United States

The company develops ultra-high purity alumina solutions for various industries, including semiconductor, aerospace, and medical applications.

AI & Machine Learning

Polar Sapphire, based in United States, has 2 investors on file, among them ArcTern Ventures and MaRS IAF. Its site was last checked 8 Nov 2026: site answers.

polarpm.com

Investors

2 investors on file
InvestorEvidenceType
ArcTern VenturesPortfolio pageVenture capital
MaRS IAFPortfolio pageVenture capital

More from ArcTern Ventures

32 companies on its checked portfolio

Its portfolio leans to AI & Machine Learning (27%), Industrial & Manufacturing (13%), Space & Defense (12%).

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See ArcTern Ventures' full profile · Who invests alongside it

More from MaRS IAF

106 companies on its checked portfolio

Its portfolio leans to Healthcare & Biotech (19%), AI & Machine Learning (17%), Industrial & Manufacturing (12%).

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See MaRS IAF's full profile · Who invests alongside it

A company is shown only after its own site answers and carries its name. Sites are checked again on a schedule, because domains lapse and get bought. Round stages and dates come from Fundup AI; investor links come from portfolio pages and rounds; other facts name their source when you point at them. How we grade the data

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VCinfo API
$ curl -H "X-API-Key: YOUR_KEY" \
  https://api.vcinfo.io/v1/companies/polarpm.com/investors

# also
GET /v1/companies/polarpm.com
GET /v1/companies/polarpm.com/news
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