Simplex Trading’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
$117K Sell
596
-4,362
-88% -$847K ﹤0.01% 4905
2025
Q4
$860K Buy
4,958
+4,147
+511% +$755K ﹤0.01% 2775
2025
Q3
$154K Buy
+811
New +$144K ﹤0.01% 5246
2025
Q2
Sell
-5,259
Closed -$913K 8855
2025
Q1
$889K Buy
5,259
+4,171
+383% +$685K ﹤0.01% 2808
2024
Q4
$164K Buy
+1,088
New +$169K ﹤0.01% 4709
2024
Q2
Sell
-14,148
Closed -$1.94M 8970
2024
Q1
$1.88M Buy
+14,148
New +$1.84M ﹤0.01% 2464
2023
Q2
Sell
-3,271
Closed -$451K 9150
2023
Q1
$462K Buy
+3,271
New +$468K ﹤0.01% 3351
2022
Q3
Sell
-1,437
Closed -$189K 10075
2022
Q2
$191K Sell
1,437
-6,937
-83% -$945K ﹤0.01% 4668
2022
Q1
$1.15M Buy
+8,374
New +$1.17M ﹤0.01% 2752
2021
Q3
Sell
-561
Closed -$82.1K 9784
2021
Q2
$74K Buy
561
+506
+920% +$66.3K ﹤0.01% 7147
2021
Q1
$7K Buy
+55
New +$6.78K ﹤0.01% 8067
2020
Q3
Sell
-385
Closed -$45.5K 7910
2020
Q2
$43K Sell
385
-19,082
-98% -$2.02M ﹤0.01% 5627
2020
Q1
$1.56M Buy
19,467
+3,656
+23% +$379K ﹤0.01% 1484
2019
Q4
$1.69M Buy
15,811
+10,487
+197% +$1.09M ﹤0.01% 1627
2019
Q3
$569K Buy
+5,324
New +$547K ﹤0.01% 2489
2019
Q2
Sell
-19,497
Closed -$1.87M 7224
2019
Q1
$1.75M Buy
19,497
+17,904
+1,124% +$1.55M ﹤0.01% 1490
2018
Q4
$132K Buy
+1,593
New +$149K ﹤0.01% 3571
2018
Q3
Sell
-1,230
Closed -$135K 7514
2018
Q2
$135K Sell
1,230
-2,026
-62% -$211K ﹤0.01% 3939
2018
Q1
$326K Buy
+3,256
New +$333K 0.01% 950
2017
Q3
Sell
-1,465
Closed -$156K 6003
2017
Q2
$162K Buy
+1,465
New +$155K 0.01% 1355
2017
Q1
Sell
-3,233
Closed -$308K 6254
2016
Q4
$297K Buy
+3,233
New +$279K 0.02% 805
2016
Q1
Sell
-198
Closed -$13.3K 5693
2015
Q4
$14K Sell
198
-645
-77% -$43.4K ﹤0.01% 3003
2015
Q3
$51K Buy
+843
New +$58.9K ﹤0.01% 1977

Other funds holding DGX

Simplex Trading's DGX Position: Q1 2026 in Review

Simplex Trading reduced its Quest Diagnostics (DGX) stake by 88% in Q1 2026, selling an estimated $847K and leaving 596 shares worth $117K. The position accounts for ﹤0.01% of the portfolio, ranked #4905.

Simplex Trading first reported a position in DGX in Q3 2015 and has held it in 23 quarters since. The position peaked at $1.88M in Q1 2024. 1,063 funds tracked by Wall St. Rank hold DGX as of Q1 2026.

  • Simplex Trading held 596 shares of Quest Diagnostics worth $117K as of Q1 2026.
  • Simplex Trading sold 4,362 Quest Diagnostics shares in Q1 2026, an estimated $847K.
  • Quest Diagnostics made up ﹤0.01% of Simplex Trading's portfolio in Q1 2026, its #4905 holding.
  • Simplex Trading first reported a position in Quest Diagnostics in Q3 2015 and has held it in 23 quarters since.
  • Simplex Trading's Quest Diagnostics position peaked at $1.88M in Q1 2024.
  • 1,063 funds tracked by Wall St. Rank held Quest Diagnostics as of Q1 2026.

Based on Simplex Trading's 13F filing for Q1 2026, filed 14 May 2026.