Quest Diagnostics Inc (DGX) stock trades by Congress

Sector: Health care & pharma

Members of Congress disclosed 9 trades in Quest Diagnostics Inc (DGX) between Nov 2024 and Mar 2026: 6 purchases and 3 sales by 5 members. The most active were Ro Khanna (D-CA, 3 trades), Alan Armstrong (R-OK, 2 trades) and Julia Letlow (R-LA, 2 trades). The latest trade listed here is from March 30, 2026.

Trades (2 years)
9
Purchases
6
Sales
3
Members
5

Democrat Democrats: 4Republican Republicans: 5

Which members of Congress traded DGX?

Who else trades DGX?

  • President Donald Trump's financial disclosures list 4 trades in DGX, the latest dated July 23, 2026.
  • Steve Cohen (Point72) held DGX in the 13F filing for the quarter ended June 30, 2026.
  • Ray Dalio (Bridgewater) held DGX 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 DGX trades by members of Congress

The 9 most recent trades older than 60 days, as filed: amounts are the disclosed ranges.

MemberTradeAmountTradedDisclosed
Alan ArmstrongR-OK · SenateBuy$1K–15KMar 30, 2026Jul 21, 2026
Alan ArmstrongR-OK · SenateBuy$1K–15KMar 27, 2026Jul 21, 2026
Ro KhannaD-CA · HouseBuy$1K–15KJan 29, 2026Feb 6, 2026
Julie JohnsonD-TX · HouseSell$1K–15KNov 3, 2025Dec 11, 2025
Julia LetlowR-LA · HouseSell$1K–15KJul 24, 2025Jan 13, 2026
Julia LetlowR-LA · HouseBuy$1K–15KApr 28, 2025Jan 13, 2026
Carol MillerR-WV · HouseSell$1K–15KMar 10, 2025Apr 11, 2025
Ro KhannaD-CA · HouseBuy$1K–15KJan 17, 2025Feb 6, 2025
Ro KhannaD-CA · HouseBuy$1K–15KNov 15, 2024Dec 5, 2024

Frequently asked questions

Which members of Congress traded DGX?
5 members of Congress disclosed trades in Quest Diagnostics Inc (DGX) in the last two years, led by Ro Khanna (3 trades), Alan Armstrong (2 trades), Julia Letlow (2 trades), Carol Miller (1 trade) and Julie Johnson (1 trade).
Is Congress buying or selling DGX?
Members have mostly been buying DGX: 6 purchases and 3 sales. Democrats made 4 trades and Republicans 5 trades.
When did a member of Congress last trade DGX?
The latest trade listed here is from March 30, 2026. Members have up to 45 days to disclose a trade, so newer ones appear as they are filed.
Do famous investors own DGX?
Yes. In their latest SEC 13F filings, Steve Cohen and Ray Dalio reported holding DGX. TraderCongress Pro shows their positions and changes in Celebrity Portfolio.