Simplex Trading
ADP icon

Simplex Trading’s Automatic Data Processing ADP Stock Holding History

Simplex Trading’s Portfolio ADP Stock Details ADP Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$7.78M Buy
+38,300
New +$8.78M 0.01% 820
2025
Q4 		– Sell
-16,200
Closed -$4.75M – 8369
2025
Q3 		$4.75M Sell
16,200
-8,200
-34% -$2.47M ﹤0.01% 1505
2025
Q2 		$7.52M Sell
24,400
-13,000
-35% -$3.99M ﹤0.01% 1068
2025
Q1 		$11.4M Sell
37,400
-10,800
-22% -$3.26M 0.01% 810
2024
Q4 		$14.1M Buy
48,200
+3,700
+8% +$1.09M 0.01% 826
2024
Q3 		$12.3M Buy
44,500
+3,400
+8% +$889K 0.01% 910
2024
Q2 		$9.81M Sell
41,100
-8,800
-18% -$2.16M 0.01% 1028
2024
Q1 		$12.5M Sell
49,900
-71,000
-59% -$17.3M 0.01% 993
2023
Q4 		$28.2M Buy
120,900
+67,400
+126% +$15.7M 0.02% 567
2023
Q3 		$12.9M Sell
53,500
-36,600
-41% -$8.92M 0.01% 806
2023
Q2 		$19.8M Buy
90,100
+600
+0.7% +$129K 0.02% 581
2023
Q1 		$19.9M Sell
89,500
-29,600
-25% -$6.68M 0.02% 590
2022
Q4 		$28.4M Buy
119,100
+56,100
+89% +$13.8M 0.03% 433
2022
Q3 		$14.2M Sell
63,000
-50,400
-44% -$11.9M 0.02% 635
2022
Q2 		$23.8M Buy
113,400
+5,600
+5% +$1.23M 0.03% 440
2022
Q1 		$24.5M Sell
107,800
-21,200
-16% -$4.54M 0.02% 468
2021
Q4 		$31.8M Buy
129,000
+96,400
+296% +$21.8M 0.03% 366
2021
Q3 		$6.51M Buy
32,600
+1,000
+3% +$206K 0.01% 994
2021
Q2 		$6.28M Buy
31,600
+31,352
+12,642% +$6.09M 0.01% 999
2021
Q1 		$4.67M Sell
248
-36
-13% -$6.25K 0.01% 879
2020
Q4 		$5M Sell
284
-142
-33% -$23.3K 0.01% 991
2020
Q3 		$5.94M Buy
426
+117
+38% +$16.4K 0.01% 759
2020
Q2 		$4.6M Sell
309
-417
-57% -$59.7K 0.01% 901
2020
Q1 		$9.92M Buy
726
+231
+47% +$37.2K 0.02% 421
2019
Q4 		$8.44M Buy
495
+251
+103% +$41.6K 0.02% 531
2019
Q3 		$3.94M Buy
244
+95
+64% +$15.7K 0.01% 867
2019
Q2 		$2.46M Sell
149
-438
-75% -$71.2K 0.01% 1156
2019
Q1 		$9.38M Buy
587
+347
+145% +$50.4K 0.03% 415
2018
Q4 		$3.15M Sell
240
-199
-45% -$28.1K 0.01% 816
2018
Q3 		$6.61M Sell
439
-255
-37% -$36.1K 0.02% 493
2018
Q2 		$9.31M Buy
694
+411
+145% +$52.1K 0.04% 369
2018
Q1 		$49K Buy
283
+166
+142% +$19.4K ﹤0.01% 2456
2017
Q4 		$9K Sell
117
-508
-81% -$58.1K ﹤0.01% 3959
2017
Q3 		$71K Buy
625
+370
+145% +$39.6K ﹤0.01% 1987
2017
Q2 		$48K Buy
255
+66
+35% +$6.68K ﹤0.01% 2430
2017
Q1 		$13K Buy
189
+139
+278% +$14.2K ﹤0.01% 3687
2016
Q4 		$7K Sell
50
-7
-12% -$653 ﹤0.01% 4015
2016
Q3 		$17K Buy
57
+1
+2% +$91 ﹤0.01% 3115
2016
Q2 		$7K Buy
56
+20
+56% +$1.77K ﹤0.01% 3894
2016
Q1 		$3K Buy
36
+9
+33% +$754 ﹤0.01% 4397
2015
Q4 		$11K Buy
27
+12
+80% +$1.03K ﹤0.01% 3187
2015
Q3 		$5K Sell
15
-7
-32% -$561 ﹤0.01% 3944
2015
Q2 		$24K Buy
+22
New +$1.88K ﹤0.01% 2292

Other funds holding ADP

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Charles Schwab
Charles Schwab San Francisco, California $654B AUM 26.35% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return
Wells Fargo
Wells Fargo San Francisco, California $530B AUM 22.01% 1-Year Est. Return

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.