Quiver Quantitative
Congressional trades, lobbying and government contracts
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About
Quiver Quantitative collects data from outside the annual report: stock trades and holdings of members of Congress, corporate lobbying spend, government contracts, patents and off-exchange trading, plus insider trades, hedge fund activity and top shareholders from SEC filings. Use it to see which lawmakers trade a stock, what a company spends on lobbying, or which federal contracts it has won.
You need a Quiver API subscription, and the plan decides the tools. Hobbyist, $30 a month, has 10 of the 18 and no insider, hedge fund or shareholder data; Trader, $75 a month, has all 18. Neither includes commercial use rights. Click Add and sign in with the email on your Quiver API account when Quiver's window opens. There is no API key to paste.
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Frequently asked questions
- What is a Connector?
- A Connector is a remote MCP server that a third party runs and Marvin Labs knows how to reach. Marvin Labs supplies the endpoint and the setup; you bring your own Quiver Quantitative account. Once added, AI Analyst Chat and Deep Research Agents call its tools when a question needs them, and the answer shows which tool was called and what it returned.
- Does the Quiver Quantitative Connector require authentication?
- Yes. Adding Quiver Quantitative opens its sign-in window, where you approve access with your own Quiver Quantitative account. Marvin Labs never sees your password; Quiver Quantitative issues a token you can revoke on its side at any time.
- Does Quiver Quantitative change how financial data is sourced?
- No. When a question can be answered from the filings, earnings calls, and press releases Marvin Labs ingests through Automated Data Import, it answers from those. Quiver Quantitative is used only when a question needs data those documents do not carry, and the answer attributes that output to it.
- Where is Quiver Quantitative available?
- In both AI Analyst Chat and Deep Research Agents. Its tools stay out of the model's context until a request needs one, so an unused Connector takes up no context window.