DGX — QUEST DIAGNOSTICS INC
Public company
InvestorLens aggregates public filing data to show which tracked investors reported holdings in this stock. Dollar values represent reported position values, not market capitalization, and may be delayed up to 45 days. Not a recommendation.
Sourced from SEC EDGAR public filings
About QUEST DIAGNOSTICS INC (DGX)
QUEST DIAGNOSTICS INC (DGX) appears in the most recent 13F filings of 4 tracked institutional investors. The largest disclosed position is held by Ken Griffin (Citadel Advisors), valued at $96M. Across recent filings, tracked investors recorded 1 new positions, 1 increased, 2 reduced, and 1 exited. All data sourced from SEC 13F filings.
Based on recent institutional activity in DGX
How many top investors track DGX
A small number of top investors own this.
DGX Ownership Composition
How QUEST DIAGNOSTICS INC is held across tracked investor types, based on reported 13F positions.
- Other86.2%
- Hedge Funds13.8%
Tracked investors reporting DGX
- Ken GriffinMar 31, 2026Citadel AdvisorsShares489.5KValue$95.9M% Portfolio0.02%
- Izzy EnglanderMar 31, 2026Millennium ManagementShares62.1KValue$12.2M% Portfolio0.01%
- Steve CohenDec 31, 2025Point72 Asset ManagementShares100.3KValue$17.4M% Portfolio0.02%
- Ray DalioMar 31, 2026Bridgewater AssociatesShares3.5KValue$680.2K% Portfolio0.00%
Recent activity
- Sold$0(-100.00%)May 15, 2026
- Reduced$680.2K(-1.34%)May 15, 2026
- Increased$87.6K(121.64%)Feb 17, 2026
- Reduced$610(-37.69%)Feb 13, 2026
- New$1.1KNov 13, 2025
Frequently asked questions
- How many institutional investors hold DGX?
- 4 tracked institutional investors disclosed a position in DGX (QUEST DIAGNOSTICS INC) in their most recent 13F filing.
- Who is the largest institutional holder of DGX?
- Ken Griffin, Citadel Advisors, holds the largest disclosed position in DGX, valued at $96M.
- Did institutional ownership of DGX increase or decrease?
- Across recent 13F filings, tracked investors recorded 1 new positions, 1 increased, 2 reduced, and 1 fully exited DGX.
- Where does this DGX ownership data come from?
- SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.