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
$1.26M Sell
6,429
-286,305
-98% -$55.6M ﹤0.01% 6017
2025
Q4
$50.8M Buy
292,734
+219,577
+300% +$40M 0.01% 935
2025
Q3
$13.9M Buy
73,157
+65,346
+837% +$11.6M ﹤0.01% 2020
2025
Q2
$1.4M Sell
7,811
-78,083
-91% -$13.6M ﹤0.01% 5002
2025
Q1
$14.5M Buy
85,894
+67,020
+355% +$11M ﹤0.01% 1570
2024
Q4
$2.85M Sell
18,874
-35,866
-66% -$5.58M ﹤0.01% 3540
2024
Q3
$8.5M Sell
54,740
-136,015
-71% -$20.3M ﹤0.01% 2101
2024
Q2
$26.1M Buy
190,755
+160,101
+522% +$21.9M 0.01% 1097
2024
Q1
$4.08M Sell
30,654
-19,756
-39% -$2.56M ﹤0.01% 2937
2023
Q4
$6.95M Sell
50,410
-7,212
-13% -$948K ﹤0.01% 2399
2023
Q3
$7.02M Sell
57,622
-17,315
-23% -$2.31M ﹤0.01% 2183
2023
Q2
$10.5M Buy
74,937
+22,527
+43% +$3.11M ﹤0.01% 1846
2023
Q1
$7.41M Buy
52,410
+28,423
+118% +$4.07M ﹤0.01% 1945
2022
Q4
$3.75M Sell
23,987
-31,934
-57% -$4.59M ﹤0.01% 2885
2022
Q3
$6.86M Buy
55,921
+941
+2% +$124K ﹤0.01% 2158
2022
Q2
$7.31M Buy
54,980
+597
+1% +$81.3K ﹤0.01% 2131
2022
Q1
$7.44M Buy
54,383
+50,107
+1,172% +$6.98M ﹤0.01% 2404
2021
Q4
$740K Sell
4,276
-76,861
-95% -$11.7M ﹤0.01% 6525
2021
Q3
$11.8M Buy
81,137
+9,971
+14% +$1.46M ﹤0.01% 1599
2021
Q2
$9.39M Buy
71,166
+40,972
+136% +$5.36M ﹤0.01% 1794
2021
Q1
$3.88M Sell
30,194
-59,449
-66% -$7.33M ﹤0.01% 2804
2020
Q4
$10.7M Buy
89,643
+42,522
+90% +$5.18M 0.01% 1359
2020
Q3
$5.39M Sell
47,121
-7,620
-14% -$900K ﹤0.01% 1776
2020
Q2
$6.24M Buy
54,741
+27,424
+100% +$2.91M ﹤0.01% 1603
2020
Q1
$2.19M Buy
+27,317
New +$2.83M ﹤0.01% 1932
2019
Q4
Sell
-5,661
Closed -$590K 5155
2019
Q3
$606K Buy
5,661
+3,217
+132% +$330K ﹤0.01% 3300
2019
Q2
$249K Sell
2,444
-7,022
-74% -$675K ﹤0.01% 4436
2019
Q1
$851K Buy
+9,466
New +$820K ﹤0.01% 3015
2018
Q3
Sell
-15,876
Closed -$1.75M 5189
2018
Q2
$1.75M Buy
+15,876
New +$1.65M ﹤0.01% 2098
2017
Q4
Sell
-47,932
Closed -$4.49M 4659
2017
Q3
$4.49M Buy
47,932
+44,588
+1,333% +$4.73M 0.01% 943
2017
Q2
$371K Sell
3,344
-15,691
-82% -$1.66M ﹤0.01% 3372
2017
Q1
$1.87M Sell
19,035
-3,049
-14% -$291K 0.01% 1433
2016
Q4
$2.03M Buy
22,084
+9,218
+72% +$794K 0.01% 1315
2016
Q3
$1.09M Buy
12,866
+4,071
+46% +$342K 0.01% 1846
2016
Q2
$716K Buy
+8,795
New +$670K ﹤0.01% 2369
2015
Q4
Sell
-8,321
Closed -$559K 4059
2015
Q3
$511K Buy
+8,321
New +$582K ﹤0.01% 2279
2015
Q2
Sell
-8,210
Closed -$606K 3690
2015
Q1
$631K Buy
+8,210
New +$588K ﹤0.01% 1812
2014
Q1
Sell
-4,726
Closed -$253K 2730
2013
Q4
$253K Sell
4,726
-5,539
-54% -$329K ﹤0.01% 1805
2013
Q3
$634K Buy
+10,265
New +$614K 0.01% 1534

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.