Merck & Co. (MRK) stock trades by Congress
Sector: Health care & pharma
Members of Congress disclosed 58 trades in Merck & Co. (MRK) between Nov 2024 and Aug 2026: 26 purchases and 32 sales by 19 members. The most active were Ro Khanna (D-CA, 15 trades), Gilbert Cisneros (D-CA, 8 trades) and Michael McCaul (R-TX, 7 trades). The latest trade listed here is from August 19, 2026. 1 newer trade from the last 60 days is shown in TraderCongress Pro.
- Trades (2 years)
- 58
- Purchases
- 26
- Sales
- 32
- Members
- 19
Democrat Democrats: 34Republican Republicans: 24
Which members of Congress traded MRK?
- Ro KhannaD-CA · House15 tradeslast Sep 2025
- Gilbert CisnerosD-CA · House8 tradeslast Dec 2025
- Michael McCaulR-TX · House7 tradeslast Jan 2026
- Julie JohnsonD-TX · House5 tradeslast Dec 2025
- Marjorie GreeneR-GA · House3 tradeslast Aug 2025
- Robert BresnahanR-PA · House3 tradeslast May 2025
- Bruce WestermanR-AR · House2 tradeslast Apr 2025
- Jefferson ShreveR-IN · House2 tradeslast Apr 2025
- Josh GottheimerD-NJ · House2 tradeslast Feb 2026
- Lisa McClainR-MI · House2 tradeslast Aug 2025
- Alan ArmstrongR-OK · Senate1 tradeslast Mar 2026
- Byron DonaldsR-FL · House1 tradeslast Jan 2025
- C. FranklinR-FL · House1 tradeslast Jun 2025
- Jared MoskowitzD-FL · House1 tradeslast Jan 2025
- Kelly MorrisonD-MN · House1 tradeslast Mar 2025
- Maria SalazarR-FL · House1 tradeslast Aug 2026
- Ritchie TorresD-NY · House1 tradeslast Jul 2025
- Sheri BiggsR-SC · House1 tradeslast Mar 2025
Who else trades MRK?
- President Donald Trump's financial disclosures list 13 trades in MRK, the latest dated July 31, 2026.
- Steve Cohen (Point72) held MRK in the 13F filing for the quarter ended June 30, 2026.
- Ray Dalio (Bridgewater) held MRK in the 13F filing for the quarter ended June 30, 2026.
Positions, changes and the full presidential record are in Celebrity Portfolio, part of TraderCongress Pro.
Latest MRK trades by members of Congress
The 40 most recent trades older than 60 days, as filed: amounts are the disclosed ranges. 1 newer trade is in TraderCongress Pro.
| Member | Trade | Amount | Traded | Disclosed |
|---|---|---|---|---|
| Maria SalazarR-FL · House | Buy | $15K–50K | Aug 19, 2026 | Sep 9, 2026 |
| Alan ArmstrongR-OK · Senate | Full sell | $15K–50K | Mar 27, 2026 | Jul 21, 2026 |
| Josh GottheimerD-NJ · House | Buy | $1K–15K | Feb 4, 2026 | Mar 16, 2026 |
| Michael McCaulR-TX · House | Sell | $15K–50K | Jan 13, 2026 | Feb 11, 2026 |
| Gilbert CisnerosD-CA · House | Buy | $1K–15K | Dec 19, 2025 | Jan 12, 2026 |
| Julie JohnsonD-TX · House | Sell | $1K–15K | Dec 18, 2025 | Jan 15, 2026 |
| Gilbert CisnerosD-CA · House | Buy | $1K–15K | Nov 18, 2025 | Dec 15, 2025 |
| Julie JohnsonD-TX · House | Sell | $1K–15K | Nov 13, 2025 | Dec 11, 2025 |
| Michael McCaulR-TX · House | Sell | $15K–50K | Oct 27, 2025 | Nov 10, 2025 |
| Ro KhannaD-CA · House | Sell | $1K–15K | Sep 29, 2025 | Oct 3, 2025 |
| Valerie HoyleD-OR · House | Sell | $1K–15K | Sep 23, 2025 | Oct 10, 2025 |
| Marjorie GreeneR-GA · House | Buy | $1K–15K | Aug 28, 2025 | Aug 29, 2025 |
| Michael McCaulR-TX · House | Sell | $50K–100K | Aug 22, 2025 | Sep 11, 2025 |
| Julie JohnsonD-TX · House | Sell | $1K–15K | Aug 14, 2025 | Sep 11, 2025 |
| Gilbert CisnerosD-CA · House | Buy | $1K–15K | Aug 5, 2025 | Sep 12, 2025 |
| Lisa McClainR-MI · House | Sell | $1K–15K | Aug 4, 2025 | Sep 12, 2025 |
| Ro KhannaD-CA · House | Buy | $1K–15K | Aug 4, 2025 | Sep 9, 2025 |
| Ritchie TorresD-NY · House | Sell | $1K–15K | Jul 11, 2025 | Aug 20, 2025 |
| Ro KhannaD-CA · House | Buy | $1K–15K | Jul 1, 2025 | Aug 7, 2025 |
| Michael McCaulR-TX · House | Sell | $100K–250K | Jun 27, 2025 | Jul 7, 2025 |
| Lisa McClainR-MI · House | Buy | $1K–15K | Jun 24, 2025 | Aug 13, 2025 |
| Ro KhannaD-CA · House | Buy | $15K–50K | Jun 23, 2025 | Jul 9, 2025 |
| Ro KhannaD-CA · House | Buy | $1K–15K | Jun 20, 2025 | Jul 9, 2025 |
| C. FranklinR-FL · House | Sell | $1K–15K | Jun 16, 2025 | Jul 14, 2025 |
| Julie JohnsonD-TX · House | Buy | $1K–15K | Jun 13, 2025 | Jul 14, 2025 |
| Gilbert CisnerosD-CA · House | Sell | $1K–15K | May 30, 2025 | Jun 6, 2025 |
| Ro KhannaD-CA · House | Buy | $15K–50K | May 28, 2025 | Jun 10, 2025 |
| Ro KhannaD-CA · House | Sell | $1K–15K | May 19, 2025 | Jun 10, 2025 |
| Michael McCaulR-TX · House | Buy | $50K–100K | May 19, 2025 | Jun 9, 2025 |
| Robert BresnahanR-PA · House | Sell | $15K–50K | May 15, 2025 | May 31, 2025 |
| Ro KhannaD-CA · House | Sell | $1K–15K | May 9, 2025 | Jun 10, 2025 |
| Ro KhannaD-CA · House | Sell | $1K–15K | May 8, 2025 | Jun 10, 2025 |
| Marjorie GreeneR-GA · House | Buy | $1K–15K | May 5, 2025 | May 6, 2025 |
| Gilbert CisnerosD-CA · House | Buy | $1K–15K | Apr 29, 2025 | May 6, 2025 |
| Ro KhannaD-CA · House | Sell | $15K–50K | Apr 23, 2025 | May 12, 2025 |
| Bruce WestermanR-AR · House | Sell | $1K–15K | Apr 21, 2025 | May 12, 2025 |
| Jefferson ShreveR-IN · House | Sell | $15K–50K | Apr 17, 2025 | May 8, 2025 |
| Ro KhannaD-CA · House | Buy | $15K–50K | Apr 15, 2025 | May 12, 2025 |
| Marjorie GreeneR-GA · House | Buy | $1K–15K | Apr 9, 2025 | Apr 11, 2025 |
| Robert BresnahanR-PA · House | Buy | $15K–50K | Apr 8, 2025 | May 8, 2025 |
Frequently asked questions
- Which members of Congress traded MRK?
- 19 members of Congress disclosed trades in Merck & Co. (MRK) in the last two years, led by Ro Khanna (15 trades), Gilbert Cisneros (8 trades), Michael McCaul (7 trades), Julie Johnson (5 trades) and Marjorie Greene (3 trades).
- Is Congress buying or selling MRK?
- Members have been both buying and selling MRK: 26 purchases and 32 sales. Democrats made 34 trades and Republicans 24 trades.
- When did a member of Congress last trade MRK?
- The latest trade listed here is from August 19, 2026. Members have up to 45 days to disclose a trade, so newer ones appear as they are filed.
- Do famous investors own MRK?
- Yes. In their latest SEC 13F filings, Steve Cohen and Ray Dalio reported holding MRK. TraderCongress Pro shows their positions and changes in Celebrity Portfolio.