The Philosopher Investor vs Quiver Quantitative
By Daniel, The Philosopher Investor · updated September 5, 2026
Quiver Quantitative collects the alternative data that used to be hard to reach: Congress trading, insider filings, government contracts, corporate lobbying and institutional holdings, with backtests, alerts, a screener and an API on top. It is built for investors who want to research those datasets directly. The Philosopher Investor tracks several of the same records, Congress trades, insider buys, government contracts and 13F holdings, but reads them against the chart and the rest of the desk rather than as a library.
Quiver Quantitative is an alternative-data library: Congress trading, insider filings, government contracts, lobbying and institutional holdings, with backtests, alerts and an API. The Philosopher Investor tracks Congress trades, insider buys, government contracts and 13F holdings per name and reads them against the chart inside a ranked desk.
What is Quiver Quantitative great at?
- A broad alternative-data library: Congress, insiders, lobbying, contracts, holdings and more.
- Backtests, alerts, a screener and an API for people who run their own research.
- A free tier to explore the datasets before paying.
What does The Philosopher Investor do differently?
- Congress trades straight from the official House filings, insider buys, government contracts and 13F holdings, tracked per name.
- Each record is weighed against the setup: a politician's buy or an insider cluster counts more when the chart and the flow agree.
- No datasets to assemble: the desk has already read them by the morning.
| Quiver Quantitative | The Philosopher Investor | |
|---|---|---|
| Shape | A data library with tools | A ranked desk that cites the data |
| Coverage | Congress, insiders, lobbying, contracts, holdings, spending | Congress (House filings), insiders, contracts, 13F holdings, dark pool |
| Work | You run the research | The read is done for you each night |
| Best for | Researchers and quants who want the raw datasets | Swing traders who want the read done for them |
| Price | Free tier plus paid plans | $20 a month or $200 a year, everything included |
When Quiver Quantitative wins
Choose Quiver Quantitative if you want to research the datasets yourself, backtest them, or pull them through an API.
When we win
Choose The Philosopher Investor if you want those records already read against the chart, per name, each morning.
Common questions
Is Quiver Quantitative worth it?
If you want to research the datasets yourself, backtest a politician's trades or pull the data through an API, yes: it is the most complete library of its kind for retail. If you want the records already read for you, a desk that cites them per name is the shorter route.
Where do Congress trades come from?
From the periodic transaction reports members must file under the STOCK Act. Here they are read from the official House disclosures, per ticker, with the date, the size band and the member. A filing can lag the trade by up to 45 days, so it is a record, never a real-time signal.
Is there a free Congress trades tracker?
Quiver's free tier and Capitol Trades both show recent filings. Here every public stock page carries a free Congress read for that name, for example the AAPL congress page. The cross-name ranking stays in the paid desk.
Can I use both?
Yes. Quiver for research and backtests, the desk for the morning read. They answer different questions: what the data says in aggregate, and what to do about one name today.