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Atom Investors’s Quest Diagnostics DGX Stock Holding History

Atom Investors’s Portfolio DGX Stock Details DGX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		– Sell
-24,043
Closed -$4.17M – 700
2025
Q4 		$4.17M Buy
+24,043
New +$4.38M 0.33% 96
2025
Q2 		– Sell
-33,374
Closed -$5.65M – 649
2025
Q1 		$5.65M Buy
+33,374
New +$5.48M 0.69% 29
2024
Q3 		– Sell
-20,094
Closed -$2.75M – 498
2024
Q2 		$2.75M Buy
+20,094
New +$2.75M 0.28% 119
2021
Q4 		– Sell
-6,346
Closed -$922K – 296
2021
Q3 		$922K Buy
+6,346
New +$929K 0.07% 142
2020
Q1 		– Sell
-2,111
Closed -$225K – 331
2019
Q4 		$225K Sell
2,111
-51
-2% -$5.32K 0.02% 217
2019
Q3 		$231K Sell
2,162
-655
-23% -$67.2K 0.02% 257
2019
Q2 		$287K Sell
2,817
-4,037
-59% -$388K 0.02% 347
2019
Q1 		$616K Buy
+6,854
New +$594K 0.05% 258

Other funds holding DGX

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
EIG
EdgePoint Investment Group Toronto, Ontario, Canada $13.2B AUM 32.43% 1-Year Est. Return

Atom Investors's DGX Position: Q1 2026 in Review

Atom Investors sold out of Quest Diagnostics (DGX) in Q1 2026, closing a stake of 24,043 shares — an estimated $4.17M sold.

Atom Investors first reported a position in DGX in Q1 2019 and held it in 8 quarters. The position peaked at $5.65M in Q1 2025. 1,069 funds tracked by Wall St. Rank hold DGX as of Q1 2026.

  • Atom Investors reported no remaining Quest Diagnostics position as of Q1 2026 after selling out during the quarter.
  • Atom Investors sold 24,043 Quest Diagnostics shares in Q1 2026, an estimated $4.17M.
  • Atom Investors first reported a position in Quest Diagnostics in Q1 2019 and held it in 8 quarters.
  • Atom Investors's Quest Diagnostics position peaked at $5.65M in Q1 2025.
  • 1,069 funds tracked by Wall St. Rank held Quest Diagnostics as of Q1 2026.

Based on Atom Investors's 13F filing for Q1 2026, filed 15 May 2026.