Congressional Stock Trades & Disclosures
Cynthia M. Lummis is a U.S. Senator, a Republican representing WY. As of April 2025, Bullish Whales has tracked 5 disclosed stock trades across 3 companies, representing $9.1M in disclosed transaction value, each filed publicly under the STOCK Act.
About Lummis's congressional trading
Lummis's disclosed activity shows a buy-leaning pattern, with 5 purchases and 0 sales. Lummis has traded --, BTC, and J most frequently among disclosed positions.
Lummis's most recent disclosed trade was a purchase of Business Entity Company: Sweetgrass Land Co. LLC (Cheyenne, Wyoming) Description: The sale of build-ready residential and commercial lots. (--) from March 2025. Each trade below links to its filing, an estimated price range, and post-trade performance versus the market.
Trading activity
Estimated trading profits
No priced buy disclosures in this window.
No priced buy disclosures in this window.
Based on 1 of 2 disclosed buys with pricing coverage.
Aug 16, 2021 to Jul 14, 2026
Estimated unrealized profit is based on disclosed buy transactions, estimated trade price, and the latest priced-through date. It does not account for later sales, taxes, commissions, slippage, exact execution price, or full portfolio position size. This is descriptive research, not investment advice, and not an allegation of wrongdoing.
Disclosed trades & legislation
| Company | Type | Size | Traded | Est. price | Change |
|---|---|---|---|---|---|
 --Business Entity Company: Sweetgrass Land Co. LLC (Cheyenne, Wyoming) Description: The sale of build-ready residential and commercial lots. | Buy | $1,000,001 - $5,000,000 | 01 MAR 2025 | N/A | — |
| --Business Entity Company: Lummis Livestock Company LLC (Cheyenne, Wyoming) Description: Runs steers and sells grass fed cattle. | Buy | $1,000,001 - $5,000,000 | 01 MAR 2025 | N/A | — |
| --Business Entity Company: Arp & Hammond Hardware Company (Cheyenne, Wyoming) Description: Real Estate | Buy | $1,000,001 - $5,000,000 | 01 MAR 2025 | N/A | — |
 JJacobs Solutions Inc. | Buy | $1,001 - $15,000 | 03 SEP 2021 | $107.89 | +19.81% |
 BTCGrayscale Bitcoin Mini Trust (BTC) | Buy | $50,001 - $100,000 | 16 AUG 2021 | N/A | — |
Congressional trading news
The latest news on congressional stock trading, across all members, will appear here as our newsroom publishes it.
Cynthia M. Lummis congressional trading FAQ
Can Cynthia M. Lummis legally trade stocks?
Yes. Members of Congress are permitted to buy and sell stocks, but the 2012 STOCK Act requires them to publicly disclose each transaction, generally within 45 days. Quantellect compiles Cynthia M. Lummis's disclosures so the public can review them.
Where does Quantellect get Cynthia M. Lummis's trading data?
Every trade shown is sourced from official Periodic Transaction Reports filed under the STOCK Act. Amounts are reported as ranges, and estimated prices and post-trade returns are derived from end-of-day market data.
How can I track Cynthia M. Lummis's stock trades?
Quantellect tracks every stock trade Cynthia M. Lummis discloses under the STOCK Act on this page, including the company, the disclosed amount range, and post-trade performance. New filings appear here as they are reported, generally within 45 days of the trade.
How many stock trades has Cynthia M. Lummis disclosed?
Quantellect has tracked 5 disclosed trades by Cynthia M. Lummis across 3 companies.
Which stocks does Cynthia M. Lummis trade most?
Cynthia M. Lummis's most frequently disclosed positions include --, BTC, and J. The full list of companies and individual filings is shown on this page.
What was Cynthia M. Lummis's most recent stock trade?
Cynthia M. Lummis most recently bought Business Entity Company: Sweetgrass Land Co. LLC (Cheyenne, Wyoming) Description: The sale of build-ready residential and commercial lots. (--) in March 2025, according to public STOCK Act filings tracked by Quantellect.
Browse all members of Congress who trade stocksSee which stocks Congress tradesCongressional trading overview
Trades reflect disclosures filed under the STOCK Act and are provided for informational purposes only, not investment advice. Amounts are ranges from official filings; estimated prices and post-trade returns are derived from end-of-day market data and may be revised as filings are amended.