Coldpine Research
Reading the tape on Congress.
Data and analysis on Congressional stock trading, from the team that parses every House and Senate disclosure. Sourced from public STOCK Act filings. Informational, not financial advice.
Every Stock Nancy Pelosi's Household Has Traded
Nancy Pelosi's household is the most-watched trader in Congress. Here is every stock in her disclosures, the names she buys most, and what Coldpine's model makes of them, from STOCK Act filings.
Which AI Stocks Is Congress Buying?
Congress is loading up on the AI trade: Nvidia, Microsoft, Broadcom, Palantir and more. Here are the AI stocks members disclose most, ranked by trades and Coldpine's conviction score, from STOCK Act filings.
Which Members of Congress Own SpaceX?
SpaceX went public on June 12, 2026 as SPCX, one of the most anticipated IPOs in years. At least two members of Congress own it, one who got in before the IPO and one who bought after. Here's who, from STOCK Act filings.
Which Members of Congress Own xAI?
xAI, Elon Musk's private AI company behind Grok, isn't public, so almost no one can buy it. At least one member of Congress has disclosed a stake. Here's who owns xAI, from STOCK Act filings.
Which Members of Congress Actually Beat the Market
Trading often is not the same as trading well. Most members of Congress do not beat the S&P 500 on their disclosed purchases. Here are the few who do, measured by 90-day alpha vs SPY.
The Most Active Stock Traders in Congress
A small group of members accounts for an outsized share of all disclosed trading. Here are the ten most active, ranked by disclosed trades, straight from STOCK Act filings.
What Is the STOCK Act? Congressional Stock Trading, Explained
The STOCK Act is the 2012 law that requires members of Congress to disclose their stock trades. What it covers, what it requires, how disclosure actually works, and why enforcement is so weak.
Does Congress Actually Beat the Stock Market?
Members of Congress are often assumed to be savvy traders. Measured against the S&P 500 over the 90 days after each disclosed purchase, most are not. Here is the data, and the few exceptions.
The Most-Traded Stocks in Congress
Which stocks show up most across Congressional disclosures: the names members buy and sell the most, straight from STOCK Act filings and ranked by Coldpine.
New rankings, roundups, and explainers, published regularly.