/
Log inGet free API keyAccount
Menu
InvestorsCompaniesFit CheckerDocsPricingGet free API key

Companies / Sphinx

Sphinx

United States

Sphinx operates a 24/7 exchange for U.S. power, natural gas, and compute, allowing for the trading of perpetual swaps and dated futures around the clock.

FintechE-commerce & Marketplaces

Sphinx, based in United States, has 2 investors on file, among them Big Brain Holdings and GS Futures. Its site was last checked 6 Nov 2026: site answers.

sphx.io

Investors

2 investors on file
InvestorEvidenceType
Big Brain HoldingsPortfolio pageVenture capital
GS FuturesPortfolio pageCorporate VC

More from Big Brain Holdings

78 companies on its checked portfolio

Its portfolio leans to Fintech (30%), AI & Machine Learning (22%), Cybersecurity (10%).

BULK TradeThe company operates a decentralized trading network with institutiona…CollectorCollector brings real-world collectibles into the 21st century by vaul…FlashbotsFlashbots is a research and development organization formed to mitigat…GrassGrass turns your unused internet into rewards automatically by sharing…HeliusHelius provides RPC and API services for the Solana platform

See Big Brain Holdings' full profile · Who invests alongside it

More from GS Futures

83 companies on its checked portfolio

Its portfolio leans to AI & Machine Learning (26%), Industrial & Manufacturing (14%), Fintech (10%).

CambrianCambrian provides real-time and historical onchain and offchain financ…LayerZeroLayerZero builds technology for cross-chain asset movement and provide…Mysten LabsMysten Labs creates advancements for the internetNiuralNiural provides a payroll platform that unifies PEO, global payroll, E…gokite.aiKite provides autonomous agents with verifiable trust and a purpose-bu…

See GS Futures' 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

Free account · no card

Get Sphinx and its investors as data

Look up any company's investors, or any investor's full portfolio, through one API key or MCP. A free account also opens Ask AI searches and alerts when Big Brain Holdings adds a company.

Work email, sign-in link by email. Already have an account? Log in
Your API keyRead the docs
  • 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/companies/sphx.io/investors

# also
GET /v1/companies/sphx.io
GET /v1/companies/sphx.io/news
The same data as an MCP server for Claude, Cursor and other AI tools. Set up MCP · Docs · Pricing