Calamos Advisors’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
Q2
$21.1M Sell
94,077
-12,428
-12% -$2.66M 0.07% 267
2026
Q1
$21.6M Buy
106,505
+10,679
+11% +$2.45M 0.08% 264
2025
Q4
$24.6M Sell
95,826
-3,891
-4% -$1.04M 0.09% 227
2025
Q3
$29.3M Hold
99,717
0.11% 205
2025
Q2
$30.8M Hold
99,717
0.12% 192
2025
Q1
$30.5M Buy
99,717
+1,111
+1% +$335K 0.13% 185
2024
Q4
$28.9M Hold
98,606
0.12% 194
2024
Q3
$27.3M Sell
98,606
-2,419
-2% -$633K 0.12% 208
2024
Q2
$24.1M Sell
101,025
-3,687
-4% -$905K 0.11% 216
2024
Q1
$26.2M Sell
104,712
-2,634
-2% -$644K 0.12% 209
2023
Q4
$25M Sell
107,346
-1,402
-1% -$327K 0.12% 219
2023
Q3
$26.2M Sell
108,748
-11,780
-10% -$2.87M 0.14% 191
2023
Q2
$26.5M Hold
120,528
0.13% 200
2023
Q1
$26.8M Sell
120,528
-29,135
-19% -$6.57M 0.13% 192
2022
Q4
$35.7M Sell
149,663
-25,492
-15% -$6.26M 0.17% 162
2022
Q3
$39.6M Buy
175,155
+31,180
+22% +$7.36M 0.18% 138
2022
Q2
$30.2M Buy
143,975
+3,877
+3% +$850K 0.13% 189
2022
Q1
$31.9M Buy
140,098
+18,673
+15% +$4M 0.12% 201
2021
Q4
$29.9M Buy
121,425
+4,701
+4% +$1.06M 0.11% 214
2021
Q3
$23.3M Buy
116,724
+10,300
+10% +$2.12M 0.1% 225
2021
Q2
$21.1M Buy
106,424
+24,206
+29% +$4.7M 0.1% 240
2021
Q1
$15.5M Buy
82,218
+2,540
+3% +$441K 0.08% 252
2020
Q4
$14M Sell
79,678
-3,451
-4% -$567K 0.08% 265
2020
Q3
$11.6M Sell
83,129
-7,296
-8% -$1.02M 0.07% 273
2020
Q2
$13.5M Sell
90,425
-5,786
-6% -$829K 0.1% 236
2020
Q1
$13.2M Sell
96,211
-8,261
-8% -$1.33M 0.1% 223
2019
Q4
$17.8M Sell
104,472
-1,711
-2% -$283K 0.09% 249
2019
Q3
$17.1M Buy
106,183
+8,144
+8% +$1.34M 0.09% 255
2019
Q2
$16.2M Buy
98,039
+29,924
+44% +$4.86M 0.09% 260
2019
Q1
$10.9M Buy
68,115
+670
+1% +$97.3K 0.07% 298
2018
Q4
$8.84M Buy
67,445
+9,925
+17% +$1.4M 0.06% 318
2018
Q3
$8.67M Buy
+57,520
New +$8.14M 0.05% 341
2017
Q2
Sell
-29,250
Closed -$3M 608
2017
Q1
$3M Sell
29,250
-7,300
-20% -$745K 0.02% 432
2016
Q4
$3.76M Buy
36,550
+34,120
+1,404% +$3.18M 0.03% 381
2016
Q3
$214K Hold
2,430
﹤0.01% 583
2016
Q2
$223K Hold
2,430
﹤0.01% 591
2016
Q1
$218K Hold
2,430
﹤0.01% 611
2015
Q4
$206K Buy
+2,430
New +$209K ﹤0.01% 642
2015
Q1
Sell
-45,536
Closed -$3.8M 688
2014
Q4
$3.8M Sell
45,536
-6,061
-12% -$491K 0.03% 390
2014
Q3
$3.76M Hold
51,597
0.03% 365
2014
Q2
$3.59M Buy
51,597
+3,759
+8% +$257K 0.02% 380
2014
Q1
$3.25M Hold
47,838
0.02% 372
2013
Q4
$3.39M Hold
47,838
0.02% 361
2013
Q3
$3.04M Hold
47,838
0.02% 356
2013
Q2
$2.89M Buy
+47,838
New +$2.85M 0.02% 356

Other funds holding ADP

Calamos Advisors's ADP Position: Q2 2026 in Review

Calamos Advisors reduced its Automatic Data Processing (ADP) stake by 12% in Q2 2026, selling an estimated $2.66M and leaving 94,077 shares worth $21.1M. The position accounts for 0.07% of the portfolio, ranked #267.

Calamos Advisors first reported a position in ADP in Q2 2013 and has held it in 45 quarters since. The position peaked at $39.6M in Q3 2022. 1,432 funds tracked by Wall St. Rank hold ADP as of Q2 2026.

  • Calamos Advisors held 94,077 shares of Automatic Data Processing worth $21.1M as of Q2 2026.
  • Calamos Advisors sold 12,428 Automatic Data Processing shares in Q2 2026, an estimated $2.66M.
  • Automatic Data Processing made up 0.07% of Calamos Advisors's portfolio in Q2 2026, its #267 holding.
  • Calamos Advisors first reported a position in Automatic Data Processing in Q2 2013 and has held it in 45 quarters since.
  • Calamos Advisors's Automatic Data Processing position peaked at $39.6M in Q3 2022.
  • 1,432 funds tracked by Wall St. Rank held Automatic Data Processing as of Q2 2026.

Based on Calamos Advisors's 13F filing for Q2 2026, filed 31 Jul 2026.