Because Congress scuttled an effort to make their financial disclosures easily searchable, the details on these investments are hard to come by. Quiver Quantitative can only parse online filings. Some members file their financial disclosures by hand, and that information isnt present in the data set. There are several other caveats to consider. Members of Congress have to report stock transactions within 45 days and disclose their overall stock holdings annually. Because theres a grace period
