Tower Research Capital (TRC)’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
$407K Sell
2,077
-2,766
-57% -$537K 0.01% 1067
2025
Q4
$840K Sell
4,843
-171
-3% -$31.1K 0.02% 573
2025
Q3
$956K Buy
5,014
+1,987
+66% +$353K 0.03% 529
2025
Q2
$544K Sell
3,027
-2,399
-44% -$417K 0.01% 911
2025
Q1
$918K Buy
5,426
+6
+0.1% +$986 0.03% 538
2024
Q4
$818K Sell
5,420
-1,134
-17% -$176K 0.02% 735
2024
Q3
$1.02M Buy
6,554
+668
+11% +$99.8K 0.03% 523
2024
Q2
$806K Buy
5,886
+2,639
+81% +$361K 0.01% 935
2024
Q1
$432K Sell
3,247
-11,576
-78% -$1.5M 0.01% 947
2023
Q4
$2.04M Buy
14,823
+9,706
+190% +$1.28M 0.03% 503
2023
Q3
$624K Sell
5,117
-21,113
-80% -$2.81M 0.02% 752
2023
Q2
$3.69M Buy
26,230
+24,571
+1,481% +$3.39M 0.12% 112
2023
Q1
$235K Sell
1,659
-879
-35% -$126K 0.01% 1275
2022
Q4
$397K Sell
2,538
-4,834
-66% -$695K 0.02% 834
2022
Q3
$904K Sell
7,372
-3,545
-32% -$467K 0.01% 751
2022
Q2
$1.45M Sell
10,917
-16,834
-61% -$2.29M 0.03% 486
2022
Q1
$3.8M Buy
27,751
+17,383
+168% +$2.42M 0.04% 379
2021
Q4
$1.79M Buy
10,368
+8,538
+467% +$1.3M 0.03% 455
2021
Q3
$265K Sell
1,830
-2,986
-62% -$437K 0.01% 1538
2021
Q2
$635K Sell
4,816
-4,556
-49% -$597K 0.02% 981
2021
Q1
$1.2M Buy
9,372
+585
+7% +$72.1K 0.02% 673
2020
Q4
$1.05M Buy
8,787
+3,792
+76% +$462K 0.03% 498
2020
Q3
$571K Buy
4,995
+752
+18% +$88.8K 0.01% 1542
2020
Q2
$483K Buy
+4,243
New +$450K 0.02% 1065
2020
Q1
Sell
-30
Closed -$3K 3201
2019
Q4
$3K Sell
30
-2,983
-99% -$311K ﹤0.01% 2889
2019
Q3
$322K Buy
3,013
+2,521
+512% +$259K 0.02% 778
2019
Q2
$50K Sell
492
-4,561
-90% -$438K ﹤0.01% 1570
2019
Q1
$454K Buy
5,053
+2,913
+136% +$252K 0.03% 658
2018
Q4
$178K Buy
2,140
+1,948
+1,015% +$183K 0.01% 724
2018
Q3
$21K Sell
192
-4,420
-96% -$485K ﹤0.01% 2310
2018
Q2
$507K Buy
+4,612
New +$480K 0.03% 640
2018
Q1
Sell
-349
Closed -$35K 3363
2017
Q4
$35K Sell
349
-136
-28% -$12.9K ﹤0.01% 1606
2017
Q3
$45K Buy
+485
New +$51.5K ﹤0.01% 2057
2017
Q1
Sell
-2,783
Closed -$256K 3209
2016
Q4
$256K Buy
+2,783
New +$240K 0.03% 544
2016
Q3
Sell
-732
Closed -$60K 3776
2016
Q2
$60K Buy
732
+429
+142% +$32.7K 0.01% 1432
2016
Q1
$22K Buy
+303
New +$20.3K ﹤0.01% 1268
2015
Q3
Sell
-306
Closed -$22K 4137
2015
Q2
$22K Sell
306
-1,060
-78% -$78.3K ﹤0.01% 2012
2015
Q1
$105K Buy
+1,366
New +$97.8K 0.01% 844
2014
Q4
Sell
-7,459
Closed -$453K 4124
2014
Q3
$453K Buy
+7,459
New +$460K 0.05% 278
2014
Q2
Sell
-218
Closed -$13K 4122
2014
Q1
$13K Sell
218
-3,464
-94% -$186K ﹤0.01% 2332
2013
Q4
$197K Buy
3,682
+253
+7% +$15K 0.03% 524
2013
Q3
$212K Buy
3,429
+3,112
+982% +$186K 0.02% 713
2013
Q2
$19K Buy
+317
New +$18.9K ﹤0.01% 1757

Other funds holding DGX

Tower Research Capital (TRC)'s DGX Position: Q1 2026 in Review

Tower Research Capital (TRC) reduced its Quest Diagnostics (DGX) stake by 57% in Q1 2026, selling an estimated $537K and leaving 2,077 shares worth $407K. The position accounts for 0.01% of the portfolio, ranked #1067.

Tower Research Capital (TRC) first reported a position in DGX in Q2 2013 and has held it in 43 quarters since. The position peaked at $3.8M in Q1 2022. 1,063 funds tracked by Wall St. Rank hold DGX as of Q1 2026.

  • Tower Research Capital (TRC) held 2,077 shares of Quest Diagnostics worth $407K as of Q1 2026.
  • Tower Research Capital (TRC) sold 2,766 Quest Diagnostics shares in Q1 2026, an estimated $537K.
  • Quest Diagnostics made up 0.01% of Tower Research Capital (TRC)'s portfolio in Q1 2026, its #1067 holding.
  • Tower Research Capital (TRC) first reported a position in Quest Diagnostics in Q2 2013 and has held it in 43 quarters since.
  • Tower Research Capital (TRC)'s Quest Diagnostics position peaked at $3.8M in Q1 2022.
  • 1,063 funds tracked by Wall St. Rank held Quest Diagnostics as of Q1 2026.

Based on Tower Research Capital (TRC)'s 13F filing for Q1 2026, filed 15 May 2026.