EF
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Empirical Finance’s Quest Diagnostics DGX Stock Holding History

Empirical Finance’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
Q2 		$865K Buy
4,082
+125
+3% +$24.5K 0.04% 341
2026
Q1 		$775K Sell
3,957
-8
-0.2% -$1.55K 0.04% 345
2025
Q4 		$688K Sell
3,965
-161
-4% -$29.3K 0.03% 357
2025
Q3 		$786K Buy
4,126
+40
+1% +$7.1K 0.04% 355
2025
Q2 		$734K Buy
4,086
+28
+0.7% +$4.86K 0.04% 364
2025
Q1 		$687K Buy
4,058
+154
+4% +$25.3K 0.04% 352
2024
Q4 		$589K Sell
3,904
-44
-1% -$6.84K 0.03% 377
2024
Q3 		$613K Buy
3,948
+76
+2% +$11.3K 0.04% 380
2024
Q2 		$530K Sell
3,872
-348
-8% -$47.7K 0.03% 396
2024
Q1 		$562K Buy
4,220
+133
+3% +$17.3K 0.03% 400
2023
Q4 		$564K Buy
4,087
+6
+0.1% +$789 0.04% 376
2023
Q3 		$497K Buy
4,081
+306
+8% +$40.8K 0.04% 384
2023
Q2 		$531K Buy
3,775
+343
+10% +$47.3K 0.04% 350
2023
Q1 		$486K Buy
3,432
+146
+4% +$20.9K 0.05% 358
2022
Q4 		$514K Buy
3,286
+222
+7% +$31.9K 0.05% 325
2022
Q3 		$376K Sell
3,064
-2,825
-48% -$372K 0.04% 355
2022
Q2 		$783K Sell
5,889
-3,658
-38% -$498K 0.1% 188
2022
Q1 		$1.31M Buy
9,547
+245
+3% +$34.1K 0.15% 128
2021
Q4 		$1.61M Sell
9,302
-3,775
-29% -$574K 0.19% 98
2021
Q3 		$1.9M Buy
13,077
+4,377
+50% +$640K 0.29% 63
2021
Q2 		$1.15M Buy
+8,700
New +$1.14M 0.19% 113
2017
Q1 		– Sell
-217
Closed -$20K – 212
2016
Q4 		$20K Buy
+217
New +$18.7K 0.01% 202

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
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
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 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

Empirical Finance's DGX Position: Q2 2026 in Review

Empirical Finance increased its Quest Diagnostics (DGX) stake by 3.2% in Q2 2026, buying an estimated $24.5K and bringing the position to 4,082 shares worth $865K. The position accounts for 0.04% of the portfolio, ranked #341.

Empirical Finance first reported a position in DGX in Q4 2016 and has held it in 22 quarters since. The position peaked at $1.9M in Q3 2021. 1,107 funds tracked by Wall St. Rank hold DGX as of Q2 2026.

  • Empirical Finance held 4,082 shares of Quest Diagnostics worth $865K as of Q2 2026.
  • Empirical Finance bought 125 Quest Diagnostics shares in Q2 2026, an estimated $24.5K.
  • Quest Diagnostics made up 0.04% of Empirical Finance's portfolio in Q2 2026, its #341 holding.
  • Empirical Finance first reported a position in Quest Diagnostics in Q4 2016 and has held it in 22 quarters since.
  • Empirical Finance's Quest Diagnostics position peaked at $1.9M in Q3 2021.
  • 1,107 funds tracked by Wall St. Rank held Quest Diagnostics as of Q2 2026.

Based on Empirical Finance's 13F filing for Q2 2026, filed 14 Aug 2026.