OpenCorporates vs Wall St. Rank comparison

OpenCorporates focuses on Data APIs, Regulatory Filings Monitoring, and Other while Wall St. Rank specializes in Institutional Data, 13F, and Investor Holdings. They overlap in 1 categories, so choose based on your preferred workflow and pricing.

OpenCorporates offers a free tier that lets you get started without paying, while Wall St. Rank requires a subscription. If budget is a concern, start with OpenCorporates and upgrade later if you need more advanced features.

OpenCorporates is more beginner-friendly with an approachable interface. Both can work for intermediate users.

Yes, both platforms offer API access for developers and quants who want to build custom integrations or automate their workflows.

Choose OpenCorporates if you need 230M+ company records spanning 145+ jurisdictions, aggregated from 140+ official registries with full provenance and source links., and Versioned REST API with JSON (default) or XML output; API keys required. Free tier provides up to 200 requests per month (50 per day).. Go with Wall St. Rank if Fund Manager Portfolios: browse holdings & stats for the largest funds and ‘superinvestors’ across quarters (AUM filters, turnover, holdings counts)., and Fund Trends: aggregate ‘common fund bets,’ largest buys/sells, and options exposures (calls/puts) derived from filings. better fits how you invest.

Both cover common asset types. OpenCorporates also includes Other. Wall St. Rank adds coverage for Stocks, ETFs, and Options.

Wall St. Rank offers real-time data feeds, which is essential for active traders. OpenCorporates uses delayed or end-of-day data, which works fine for longer-term investors who don't need up-to-the-second quotes.

OpenCorporates supports data exports to CSV, and JSON. Wall St. Rank has more limited export options.