Twin Tree Management’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
Q2
$444K Buy
+2,097
New +$412K 0.01% 1050
2025
Q4
Sell
-2,850
Closed -$543K 1485
2025
Q3
$543K Sell
2,850
-7,701
-73% -$1.37M ﹤0.01% 1272
2025
Q2
$1.9M Buy
+10,551
New +$1.83M ﹤0.01% 1266
2024
Q4
Sell
-54
Closed -$8.38K 1638
2024
Q3
$8.38K Sell
54
-10,314
-99% -$1.54M ﹤0.01% 1447
2024
Q2
$1.42M Buy
10,368
+8,131
+363% +$1.11M ﹤0.01% 1016
2024
Q1
$298K Buy
+2,237
New +$290K ﹤0.01% 1133
2022
Q1
Sell
-169,794
Closed -$29.4M 1677
2021
Q4
$29.4M Buy
+169,794
New +$25.8M 0.06% 298
2021
Q1
Sell
-754
Closed -$90K 1399
2020
Q4
$90K Buy
+754
New +$91.9K ﹤0.01% 1137
2020
Q3
Sell
-138,176
Closed -$15.7M 1299
2020
Q2
$15.7M Buy
138,176
+128,627
+1,347% +$13.6M 0.06% 335
2020
Q1
$767K Buy
9,549
+1,684
+21% +$174K ﹤0.01% 910
2019
Q4
$840K Buy
+7,865
New +$820K ﹤0.01% 884
2019
Q2
Sell
-1,428
Closed -$128K 1296
2019
Q1
$128K Buy
1,428
+1,124
+370% +$97.4K ﹤0.01% 1072
2018
Q4
$25K Buy
+304
New +$28.5K ﹤0.01% 1166
2018
Q3
Sell
-10,456
Closed -$1.15M 1098
2018
Q2
$1.15M Buy
10,456
+5,691
+119% +$593K 0.01% 757
2018
Q1
$478K Buy
4,765
+4,757
+59,463% +$487K ﹤0.01% 796
2017
Q4
$1K Sell
8
-1,139
-99% -$108K ﹤0.01% 982
2017
Q3
$107K Buy
+1,147
New +$122K ﹤0.01% 864
2017
Q2
Sell
-16,705
Closed -$1.64M 986
2017
Q1
$1.64M Buy
+16,705
New +$1.59M 0.01% 608
2016
Q3
Sell
-13,015
Closed -$1.06M 1179
2016
Q2
$1.06M Buy
13,015
+12,155
+1,413% +$926K 0.02% 649
2016
Q1
$61K Buy
+860
New +$57.7K ﹤0.01% 1124
2015
Q3
Sell
-1,599
Closed -$112K 1351
2015
Q2
$116K Sell
1,599
-9,534
-86% -$704K ﹤0.01% 1139
2015
Q1
$856K Buy
+11,133
New +$797K 0.02% 641

Other funds holding DGX

Twin Tree Management's DGX Position: Q2 2026 in Review

Twin Tree Management opened a new position in Quest Diagnostics (DGX) in Q2 2026: 2,097 shares worth $444K. The stake represents 0.01% of the portfolio and ranks #1050 among its holdings. This is a return to the name: Twin Tree Management previously reported a position in DGX as recently as Q3 2025.

Twin Tree Management first reported a position in DGX in Q1 2015 and has held it in 22 quarters since. The position peaked at $29.4M in Q4 2021. 1,105 funds tracked by Wall St. Rank hold DGX as of Q2 2026.

  • Twin Tree Management held 2,097 shares of Quest Diagnostics worth $444K as of Q2 2026.
  • Quest Diagnostics was a new Twin Tree Management position in Q2 2026.
  • Quest Diagnostics made up 0.01% of Twin Tree Management's portfolio in Q2 2026, its #1050 holding.
  • Twin Tree Management first reported a position in Quest Diagnostics in Q1 2015 and has held it in 22 quarters since.
  • Twin Tree Management's Quest Diagnostics position peaked at $29.4M in Q4 2021.
  • 1,105 funds tracked by Wall St. Rank held Quest Diagnostics as of Q2 2026.

Based on Twin Tree Management's 13F filing for Q2 2026, filed 12 Aug 2026.