Walleye Trading
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Walleye Trading’s Quest Diagnostics DGX Stock Holding History

Walleye Trading’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
-5,200
Closed -$902K – 4249
2025
Q4 		$902K Buy
5,200
+2,900
+126% +$528K ﹤0.01% 2445
2025
Q3 		$438K Sell
2,300
-6,800
-75% -$1.21M ﹤0.01% 2828
2025
Q2 		$1.63M Sell
9,100
-2,400
-21% -$417K ﹤0.01% 1863
2025
Q1 		$1.95M Sell
11,500
-2,000
-15% -$329K ﹤0.01% 1649
2024
Q4 		$2.04M Buy
13,500
+10,800
+400% +$1.68M ﹤0.01% 1690
2024
Q3 		$419K Sell
2,700
-6,700
-71% -$1M ﹤0.01% 2627
2024
Q2 		$1.29M Sell
9,400
-1,300
-12% -$178K ﹤0.01% 1892
2024
Q1 		$1.42M Sell
10,700
-27,600
-72% -$3.58M ﹤0.01% 1958
2023
Q4 		$5.28M Sell
38,300
-61,700
-62% -$8.11M 0.01% 1203
2023
Q3 		$12.2M Buy
100,000
+91,100
+1,024% +$12.1M 0.03% 582
2023
Q2 		$1.25M Sell
8,900
-12,400
-58% -$1.71M ﹤0.01% 1986
2023
Q1 		$3.01M Buy
21,300
+16,600
+353% +$2.37M 0.01% 1409
2022
Q4 		$735K Sell
4,700
-18,400
-80% -$2.64M ﹤0.01% 2498
2022
Q3 		$2.83M Sell
23,100
-100,800
-81% -$13.3M 0.01% 1440
2022
Q2 		$16.5M Sell
123,900
-1,200
-1% -$164K 0.05% 394
2022
Q1 		$17.1M Buy
125,100
+101,400
+428% +$14.1M 0.05% 403
2021
Q4 		$4.1M Sell
23,700
-12,200
-34% -$1.86M 0.01% 1107
2021
Q3 		$5.22M Buy
35,900
+900
+3% +$132K 0.02% 902
2021
Q2 		$4.62M Buy
35,000
+29,000
+483% +$3.8M 0.02% 847
2021
Q1 		$770K Buy
6,000
+1,900
+46% +$234K ﹤0.01% 2187
2020
Q4 		$489K Hold
4,100
– – ﹤0.01% 2680
2020
Q3 		$469K Sell
4,100
-4,100
-50% -$484K ﹤0.01% 2297
2020
Q2 		$934K Sell
8,200
-700
-8% -$74.2K 0.01% 1722
2020
Q1 		$715K Buy
8,900
+3,400
+62% +$352K 0.01% 1568
2019
Q4 		$587K Buy
5,500
+2,500
+83% +$261K ﹤0.01% 2272
2019
Q3 		$321K Sell
3,000
-4,200
-58% -$431K ﹤0.01% 2531
2019
Q2 		$733K Buy
7,200
+800
+13% +$76.9K 0.01% 1866
2019
Q1 		$575K Buy
6,400
+2,100
+49% +$182K ﹤0.01% 2151
2018
Q4 		$358K Sell
4,300
-5,000
-54% -$469K ﹤0.01% 2823
2018
Q3 		$1M Sell
9,300
-22,100
-70% -$2.42M 0.01% 2058
2018
Q2 		$3.45M Buy
31,400
+26,700
+568% +$2.78M 0.02% 871
2018
Q1 		$471K Buy
4,700
+2,600
+124% +$266K ﹤0.01% 2716
2017
Q4 		$207 Sell
2,100
-6,700
-76% -$635K ﹤0.01% 3418
2017
Q3 		$824 Buy
+8,800
New +$934K ﹤0.01% 2044
2017
Q1 		– Sell
-18,300
Closed -$1.68M – 4764
2016
Q4 		$1.68M Buy
18,300
+5,300
+41% +$457K 0.01% 1089
2016
Q3 		$1.1M Buy
13,000
+1,400
+12% +$118K 0.01% 1459
2016
Q2 		$943K Sell
11,600
-4,300
-27% -$327K 0.01% 1653
2016
Q1 		$1.14M Buy
15,900
+2,800
+21% +$188K 0.01% 1286
2015
Q4 		$933K Buy
13,100
+6,000
+85% +$403K 0.01% 1318
2015
Q3 		$436K Buy
7,100
+4,400
+163% +$308K ﹤0.01% 1656
2015
Q2 		$196K Buy
2,700
+600
+29% +$44.3K ﹤0.01% 2491
2015
Q1 		$161K Buy
2,100
+2,000
+2,000% +$143K ﹤0.01% 2355
2014
Q4 		$7K Sell
100
-400
-80% -$25.2K ﹤0.01% 3981
2014
Q3 		$30K Sell
500
-100
-17% -$6.16K ﹤0.01% 3395
2014
Q2 		$35 Sell
600
-4,400
-88% -$258K ﹤0.01% 3016
2014
Q1 		$290 Buy
+5,000
New +$268K ﹤0.01% 1672
2013
Q4 		– Sell
-9,900
Closed -$612K – 3663
2013
Q3 		$612K Buy
+9,900
New +$593K 0.01% 1103

Other funds holding DGX

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $95.5B AUM 28.4% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
EIG
EdgePoint Investment Group Toronto, Ontario, Canada $12.5B AUM 31.7% 1-Year Est. Return

Walleye Trading's DGX Position: Q1 2026 in Review

Walleye Trading reduced its Quest Diagnostics (DGX) stake by 79% in Q1 2026, selling an estimated $406K and leaving 549 shares worth $108K. The position accounts for ﹤0.01% of the portfolio, ranked #3431.

Walleye Trading first reported a position in DGX in Q2 2013 and has held it in 30 quarters since. The position peaked at $5.92M in Q3 2023. 1,064 funds tracked by Wall St. Rank hold DGX as of Q1 2026.

  • Walleye Trading held 549 shares of Quest Diagnostics worth $108K as of Q1 2026.
  • Walleye Trading sold 2,092 Quest Diagnostics shares in Q1 2026, an estimated $406K.
  • Quest Diagnostics made up ﹤0.01% of Walleye Trading's portfolio in Q1 2026, its #3431 holding.
  • Walleye Trading first reported a position in Quest Diagnostics in Q2 2013 and has held it in 30 quarters since.
  • Walleye Trading's Quest Diagnostics position peaked at $5.92M in Q3 2023.
  • 1,064 funds tracked by Wall St. Rank held Quest Diagnostics as of Q1 2026.

Based on Walleye Trading's 13F filing for Q1 2026, filed 11 May 2026.