Congressional Stock Trades & Disclosures
Markwayne Mullin is a U.S. Senator, a Republican representing OK. As of March 2026, Quantellect has tracked 512 disclosed stock trades across 119 companies, representing $24.7M in disclosed transaction value, each filed publicly under the STOCK Act.
About Mullin's congressional trading
Mullin's disclosed activity shows more purchases than sales, with 336 purchases and 176 sales (a buy-to-sell ratio of 1.91). The heaviest sector is Technology, covering 101 disclosed trades.
Mullin's most frequently disclosed positions are GS (13 disclosed trades), LRN (12 disclosed trades), ADBE (9 disclosed trades), ZTS (8 disclosed trades), and AMAT (7 disclosed trades), followed by AIT, COHR, CRDO, DELL, and FCFS.
Over the trailing 12 months, Mullin's disclosed buys show an estimated unrealized profit of $310,146, based on 69 of 72 priced disclosed buys through August 25, 2026. These are estimates from disclosed amount ranges marked to the latest close; they do not net later sales, taxes, or fees, and are not an allegation of wrongdoing.
Mullin's most recent disclosed trade was a purchase of UnitedHealth Group Incorporated (UNH) from February 2026. Each trade below links to its filing, an estimated price range, and post-trade performance versus the market.
Trading activity
Estimated trading profits
Based on 31 of 34 disclosed buys with pricing coverage.
Jan 1, 2026 to Aug 25, 2026
Based on 69 of 72 disclosed buys with pricing coverage.
Aug 25, 2025 to Aug 25, 2026
Based on 284 of 319 disclosed buys with pricing coverage.
Jan 12, 2017 to Aug 25, 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.
Where the Money Sits
share of disclosed trades · top sectors
Periodic Transaction Report filings
| Company | Type | Size | Traded | Est. price | Change |
|---|---|---|---|---|---|
 UNHUnitedHealth Group Incorporated | Buy | $50,001 - $100,000 | 25 FEB 2026 | $282.01 | +40.63% |
 AZOAutoZone Inc | Sell | $50,001 - $100,000 | 25 FEB 2026 | $3671.82 | -17.55% |
 INTUIntuit Inc | Sell | $15,001 - $50,000 | 25 FEB 2026 | $380.06 | -5.95% |
 MCKMcKesson Corporation | Buy | $15,001 - $50,000 | 04 FEB 2026 | $820.41 | +10.32% |
 ADBEAdobe Systems Incorporated | Buy | $15,001 - $50,000 | 04 FEB 2026 | $279.71 | -2.07% |
 CRDOCredo Technology Group Holding Ltd | Sell | $15,001 - $50,000 | 04 FEB 2026 | $96.95 | +133.64% |
 COHRCoherent Inc | Sell | $15,001 - $50,000 | 04 FEB 2026 | $211.00 | +36.56% |
 CCitigroup Inc. | Buy | $15,001 - $50,000 | 04 FEB 2026 | $116.88 | +14.01% |
 IRMIron Mountain Incorporated | Sell | $1,001 - $15,000 | 04 FEB 2026 | $89.34 | +35.32% |
 MPWRMonolithic Power Systems Inc | Buy | $15,001 - $50,000 | 04 FEB 2026 | $1134.56 | +14.95% |
Congressional trading news
The latest news on congressional stock trading, across all members, will appear here as our newsroom publishes it.
Markwayne Mullin congressional trading FAQ
Can Markwayne Mullin 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 Markwayne Mullin's disclosures so the public can review them.
Where does Quantellect get Markwayne Mullin'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 Markwayne Mullin's stock trades?
Quantellect tracks every stock trade Markwayne Mullin 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 Markwayne Mullin disclosed?
Quantellect has tracked 512 disclosed trades by Markwayne Mullin across 119 companies.
Which stocks does Markwayne Mullin trade most?
Markwayne Mullin's most frequently disclosed positions are GS (13 disclosed trades), LRN (12 disclosed trades), ADBE (9 disclosed trades), ZTS (8 disclosed trades), AMAT (7 disclosed trades), and AIT (6 disclosed trades), followed by COHR, CRDO, DELL, and FCFS. The full list of companies and individual filings is shown on this page.
Which sectors does Markwayne Mullin invest in?
Technology is the heaviest sector in Markwayne Mullin's classified disclosures, covering 101 disclosed trades. The full sector breakdown is shown on this page and is derived from the companies behind each disclosed transaction.
What was Markwayne Mullin's most recent stock trade?
Markwayne Mullin most recently bought UnitedHealth Group Incorporated (UNH) in February 2026, according to public STOCK Act filings tracked by Quantellect.
How much has Markwayne Mullin made trading stocks?
Quantellect estimates Markwayne Mullin's disclosed buys show an estimated unrealized profit of $310,146 over the trailing 12 months, based on priced disclosed buy transactions through August 25, 2026. This is an estimate and does not account for later sales, taxes, commissions, slippage, exact execution price, or full portfolio position size. It is descriptive research, not investment advice or an allegation of wrongdoing.
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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.