Jane Street’s Quest Diagnostics DGX Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$11.9M Sell
60,600
-24,200
-29% -$4.7M ﹤0.01% 2325
2025
Q4
$14.7M Buy
84,800
+100
+0.1% +$18.2K ﹤0.01% 1887
2025
Q3
$16.1M Buy
84,700
+12,000
+17% +$2.13M ﹤0.01% 1866
2025
Q2
$13.1M Sell
72,700
-30,100
-29% -$5.23M ﹤0.01% 1851
2025
Q1
$17.4M Buy
102,800
+86,600
+535% +$14.2M ﹤0.01% 1413
2024
Q4
$2.44M Sell
16,200
-1,600
-9% -$249K ﹤0.01% 3761
2024
Q3
$2.76M Sell
17,800
-10,400
-37% -$1.55M ﹤0.01% 3880
2024
Q2
$3.86M Sell
28,200
-7,000
-20% -$959K ﹤0.01% 3379
2024
Q1
$4.69M Buy
35,200
+13,800
+64% +$1.79M ﹤0.01% 2706
2023
Q4
$2.95M Sell
21,400
-11,300
-35% -$1.49M ﹤0.01% 3664
2023
Q3
$3.98M Sell
32,700
-1,900
-5% -$253K ﹤0.01% 2937
2023
Q2
$4.86M Buy
34,600
+16,500
+91% +$2.27M ﹤0.01% 2776
2023
Q1
$2.56M Sell
18,100
-38,500
-68% -$5.51M ﹤0.01% 3413
2022
Q4
$8.85M Buy
56,600
+600
+1% +$86.2K ﹤0.01% 1758
2022
Q3
$6.87M Sell
56,000
-12,600
-18% -$1.66M ﹤0.01% 2155
2022
Q2
$9.12M Sell
68,600
-36,400
-35% -$4.96M ﹤0.01% 1854
2022
Q1
$14.4M Sell
105,000
-23,400
-18% -$3.26M ﹤0.01% 1581
2021
Q4
$22.2M Buy
128,400
+32,900
+34% +$5.01M 0.01% 1125
2021
Q3
$13.9M Buy
95,500
+80,700
+545% +$11.8M ﹤0.01% 1427
2021
Q2
$1.95M Sell
14,800
-20,700
-58% -$2.71M ﹤0.01% 4377
2021
Q1
$4.56M Sell
35,500
-75,400
-68% -$9.29M ﹤0.01% 2541
2020
Q4
$13.2M Buy
110,900
+54,400
+96% +$6.63M 0.01% 1188
2020
Q3
$6.47M Buy
56,500
+7,900
+16% +$933K ﹤0.01% 1596
2020
Q2
$5.54M Sell
48,600
-1,400
-3% -$148K ﹤0.01% 1736
2020
Q1
$4.01M Buy
50,000
+46,600
+1,371% +$4.82M ﹤0.01% 1358
2019
Q4
$363K Buy
+3,400
New +$355K ﹤0.01% 4063
2019
Q3
Sell
-26,300
Closed -$2.68M 5179
2019
Q2
$2.68M Sell
26,300
-22,500
-46% -$2.16M ﹤0.01% 1588
2019
Q1
$4.39M Buy
48,800
+41,200
+542% +$3.57M 0.01% 1254
2018
Q4
$633K Buy
+7,600
New +$713K ﹤0.01% 3168
2018
Q2
Sell
-6,200
Closed -$622K 5053
2018
Q1
$622K Buy
+6,200
New +$635K ﹤0.01% 3226
2017
Q4
Sell
-18,600
Closed -$1.74M 4658
2017
Q3
$1.74M Buy
+18,600
New +$1.97M 0.01% 1729
2017
Q2
Sell
-17,500
Closed -$1.72M 4410
2017
Q1
$1.72M Buy
+17,500
New +$1.67M 0.01% 1515
2016
Q1
Sell
-3,800
Closed -$270K 4137
2015
Q4
$270K Buy
+3,800
New +$255K ﹤0.01% 3224
2015
Q3
Sell
-4,200
Closed -$305K 3670
2015
Q2
$305K Buy
+4,200
New +$310K ﹤0.01% 2807

Other funds holding DGX

Jane Street's DGX Position: Q1 2026 in Review

Jane Street reduced its Quest Diagnostics (DGX) stake by 98% in Q1 2026, selling an estimated $55.6M and leaving 6,429 shares worth $1.26M. The position accounts for ﹤0.01% of the portfolio, ranked #6017.

Jane Street first reported a position in DGX in Q3 2013 and has held it in 39 quarters since. The position peaked at $50.8M in Q4 2025. 1,065 funds tracked by Wall St. Rank hold DGX as of Q1 2026.

  • Jane Street held 6,429 shares of Quest Diagnostics worth $1.26M as of Q1 2026.
  • Jane Street sold 286,305 Quest Diagnostics shares in Q1 2026, an estimated $55.6M.
  • Quest Diagnostics made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #6017 holding.
  • Jane Street first reported a position in Quest Diagnostics in Q3 2013 and has held it in 39 quarters since.
  • Jane Street's Quest Diagnostics position peaked at $50.8M in Q4 2025.
  • 1,065 funds tracked by Wall St. Rank held Quest Diagnostics as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.