Simplex Trading’s Automatic Data Processing ADP Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$4.08M Buy
+20,100
New +$4.61M ﹤0.01% 1248
2025
Q4
Sell
-39,200
Closed -$11.5M 8368
2025
Q3
$11.5M Sell
39,200
-8,600
-18% -$2.59M 0.01% 878
2025
Q2
$14.7M Sell
47,800
-6,200
-11% -$1.9M 0.01% 673
2025
Q1
$16.5M Sell
54,000
-9,700
-15% -$2.93M 0.01% 613
2024
Q4
$18.6M Buy
63,700
+8,900
+16% +$2.63M 0.01% 676
2024
Q3
$15.2M Sell
54,800
-2,100
-4% -$549K 0.01% 784
2024
Q2
$13.6M Sell
56,900
-13,800
-20% -$3.39M 0.01% 816
2024
Q1
$17.7M Sell
70,700
-28,600
-29% -$6.99M 0.01% 777
2023
Q4
$23.1M Buy
99,300
+21,700
+28% +$5.06M 0.01% 649
2023
Q3
$18.7M Buy
77,600
+15,100
+24% +$3.68M 0.01% 622
2023
Q2
$13.7M Sell
62,500
-13,900
-18% -$3M 0.01% 729
2023
Q1
$17M Sell
76,400
-45,000
-37% -$10.2M 0.01% 654
2022
Q4
$29M Buy
121,400
+52,000
+75% +$12.8M 0.03% 423
2022
Q3
$15.7M Buy
69,400
+6,700
+11% +$1.58M 0.02% 597
2022
Q2
$13.2M Buy
62,700
+5,400
+9% +$1.18M 0.01% 690
2022
Q1
$13M Sell
57,300
-5,600
-9% -$1.2M 0.01% 707
2021
Q4
$15.5M Buy
62,900
+8,400
+15% +$1.9M 0.02% 600
2021
Q3
$10.9M Buy
54,500
+1,200
+2% +$247K 0.01% 687
2021
Q2
$10.6M Buy
53,300
+52,580
+7,303% +$10.2M 0.01% 692
2021
Q1
$13.6M Buy
720
+263
+58% +$45.6K 0.02% 368
2020
Q4
$8.05M Sell
457
-171
-27% -$28.1K 0.01% 684
2020
Q3
$8.76M Buy
628
+140
+29% +$19.6K 0.01% 573
2020
Q2
$7.26M Sell
488
-60
-11% -$8.59K 0.01% 655
2020
Q1
$7.49M Buy
548
+72
+15% +$11.6K 0.01% 518
2019
Q4
$8.12M Sell
476
-745
-61% -$123K 0.02% 555
2019
Q3
$19.7M Buy
1,221
+599
+96% +$98.9K 0.06% 244
2019
Q2
$10.3M Sell
622
-214
-26% -$34.8K 0.03% 399
2019
Q1
$13.4M Sell
836
-1,029
-55% -$149K 0.04% 320
2018
Q4
$24.5M Buy
1,865
+1,176
+171% +$166K 0.07% 167
2018
Q3
$10.4M Sell
689
-495
-42% -$70K 0.03% 353
2018
Q2
$15.9M Buy
1,184
+301
+34% +$38.1K 0.06% 221
2018
Q1
$115K Buy
883
+691
+360% +$80.6K 0.01% 1694
2017
Q4
$29K Sell
192
-129
-40% -$14.8K ﹤0.01% 2946
2017
Q3
$145K Sell
321
-333
-51% -$35.7K 0.01% 1426
2017
Q2
$164K Buy
654
+155
+31% +$15.7K 0.01% 1342
2017
Q1
$103K Buy
499
+292
+141% +$29.8K ﹤0.01% 1722
2016
Q4
$95K Sell
207
-251
-55% -$23.4K 0.01% 1575
2016
Q3
$27K Buy
458
+9
+2% +$815 ﹤0.01% 2658
2016
Q2
$143K Buy
449
+133
+42% +$11.7K 0.01% 1219
2016
Q1
$116K Buy
316
+81
+34% +$6.79K 0.01% 1230
2015
Q4
$22K Buy
235
+225
+2,250% +$19.4K ﹤0.01% 2586
2015
Q3
$2K Buy
+10
New +$801 ﹤0.01% 4555
2015
Q2
Sell
-21
Closed -$1K 5082
2015
Q1
$1K Buy
+21
New +$1.81K ﹤0.01% 4362

Other funds holding ADP

Simplex Trading's ADP Position: Q1 2026 in Review

Simplex Trading opened a new position in Automatic Data Processing (ADP) in Q1 2026: 2,602 shares worth $529K. The stake represents ﹤0.01% of the portfolio and ranks #3188 among its holdings. This is a return to the name: Simplex Trading previously reported a position in ADP as recently as Q1 2021.

Simplex Trading first reported a position in ADP in Q4 2014 and has held it in 16 quarters since. The position peaked at $4.04M in Q3 2019. 2,264 funds tracked by Wall St. Rank hold ADP as of Q1 2026.

  • Simplex Trading held 2,602 shares of Automatic Data Processing worth $529K as of Q1 2026.
  • Automatic Data Processing was a new Simplex Trading position in Q1 2026.
  • Automatic Data Processing made up ﹤0.01% of Simplex Trading's portfolio in Q1 2026, its #3188 holding.
  • Simplex Trading first reported a position in Automatic Data Processing in Q4 2014 and has held it in 16 quarters since.
  • Simplex Trading's Automatic Data Processing position peaked at $4.04M in Q3 2019.
  • 2,264 funds tracked by Wall St. Rank held Automatic Data Processing as of Q1 2026.

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