William Blair & Company’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
$46.4M Sell
228,188
-16,091
-7% -$3.69M 0.13% 152
2025
Q4
$62.8M Sell
244,279
-6,123
-2% -$1.63M 0.17% 128
2025
Q3
$73.5M Sell
250,402
-3,704
-1% -$1.11M 0.2% 116
2025
Q2
$78.4M Sell
254,106
-4,713
-2% -$1.45M 0.22% 103
2025
Q1
$79.1M Sell
258,819
-4,478
-2% -$1.35M 0.24% 100
2024
Q4
$77.1M Sell
263,297
-4,528
-2% -$1.34M 0.22% 102
2024
Q3
$74.1M Sell
267,825
-5,059
-2% -$1.32M 0.22% 103
2024
Q2
$65.1M Sell
272,884
-186
-0.1% -$45.7K 0.2% 111
2024
Q1
$68.2M Sell
273,070
-9,927
-4% -$2.43M 0.21% 109
2023
Q4
$65.9M Sell
282,997
-4,494
-2% -$1.05M 0.22% 99
2023
Q3
$69.2M Buy
287,491
+740
+0.3% +$180K 0.27% 89
2023
Q2
$63M Sell
286,751
-3,397
-1% -$732K 0.23% 100
2023
Q1
$64.6M Sell
290,148
-12,305
-4% -$2.78M 0.26% 89
2022
Q4
$72.2M Sell
302,453
-3,092
-1% -$759K 0.31% 78
2022
Q3
$69.1M Sell
305,545
-96
-0% -$22.6K 0.32% 82
2022
Q2
$64.2M Sell
305,641
-7,829
-2% -$1.72M 0.28% 87
2022
Q1
$71.3M Sell
313,470
-2,812
-0.9% -$602K 0.25% 100
2021
Q4
$78M Buy
316,282
+10,681
+3% +$2.42M 0.24% 98
2021
Q3
$61.1M Buy
305,601
+2,966
+1% +$611K 0.21% 111
2021
Q2
$60.1M Sell
302,635
-10,615
-3% -$2.06M 0.21% 111
2021
Q1
$59M Sell
313,250
-8,409
-3% -$1.46M 0.22% 110
2020
Q4
$56.7M Sell
321,659
-6,562
-2% -$1.08M 0.21% 106
2020
Q3
$45.8M Buy
328,221
+9,425
+3% +$1.32M 0.19% 109
2020
Q2
$47.5M Sell
318,796
-11,609
-4% -$1.66M 0.23% 98
2020
Q1
$45.2M Sell
330,405
-10,474
-3% -$1.69M 0.28% 79
2019
Q4
$58.1M Sell
340,879
-1,534
-0.4% -$254K 0.3% 79
2019
Q3
$55.3M Sell
342,413
-7,932
-2% -$1.31M 0.32% 76
2019
Q2
$57.9M Sell
350,345
-3,042
-0.9% -$494K 0.33% 75
2019
Q1
$56.5M Sell
353,387
-30,457
-8% -$4.42M 0.34% 74
2018
Q4
$50.3M Buy
383,844
+624
+0.2% +$88.1K 0.37% 71
2018
Q3
$57.7M Sell
383,220
-11,598
-3% -$1.64M 0.35% 72
2018
Q2
$53M Sell
394,818
-17,613
-4% -$2.23M 0.36% 69
2018
Q1
$46.8M Sell
412,431
-14,047
-3% -$1.64M 0.33% 77
2017
Q4
$50M Sell
426,478
-7,664
-2% -$876K 0.34% 73
2017
Q3
$47.5M Sell
434,142
-23,934
-5% -$2.56M 0.36% 75
2017
Q2
$46.9M Buy
458,076
+10,883
+2% +$1.1M 0.35% 71
2017
Q1
$45.8M Sell
447,193
-5,799
-1% -$591K 0.37% 73
2016
Q4
$46.6M Sell
452,992
-2,057
-0.5% -$192K 0.42% 68
2016
Q3
$40.1M Buy
455,049
+6,227
+1% +$564K 0.35% 80
2016
Q2
$41.2M Buy
448,822
+17,684
+4% +$1.56M 0.38% 77
2016
Q1
$38.7M Sell
431,138
-1,338
-0.3% -$112K 0.36% 84
2015
Q4
$36.6M Sell
432,476
-7,729
-2% -$666K 0.34% 85
2015
Q3
$35.4M Sell
440,205
-8,085
-2% -$647K 0.31% 93
2015
Q2
$36M Sell
448,290
-9,824
-2% -$838K 0.05% 432
2015
Q1
$39.2M Sell
458,114
-3,378
-0.7% -$291K 0.06% 388
2014
Q4
$38.5M Sell
461,492
-157,347
-25% -$12.8M 0.06% 396
2014
Q3
$45.1M Buy
618,839
+73,187
+13% +$5.29M 0.08% 336
2014
Q2
$38M Sell
545,652
-15,776
-3% -$1.08M 0.06% 385
2014
Q1
$38.1M Sell
561,428
-19,484
-3% -$1.33M 0.06% 383
2013
Q4
$41.2M Sell
580,912
-16,974
-3% -$1.14M 0.07% 373
2013
Q3
$38M Sell
597,886
-38,974
-6% -$2.48M 0.07% 391
2013
Q2
$38.5M Buy
+636,860
New +$38M 0.08% 368

Other funds holding ADP

William Blair & Company's ADP Position: Q1 2026 in Review

William Blair & Company reduced its Automatic Data Processing (ADP) stake by 6.6% in Q1 2026, selling an estimated $3.69M and leaving 228,188 shares worth $46.4M. The position accounts for 0.13% of the portfolio, ranked #152.

William Blair & Company first reported a position in ADP in Q2 2013 and has held it in 52 quarters since. The position peaked at $79.1M in Q1 2025. 2,268 funds tracked by Wall St. Rank hold ADP as of Q1 2026.

  • William Blair & Company held 228,188 shares of Automatic Data Processing worth $46.4M as of Q1 2026.
  • William Blair & Company sold 16,091 Automatic Data Processing shares in Q1 2026, an estimated $3.69M.
  • Automatic Data Processing made up 0.13% of William Blair & Company's portfolio in Q1 2026, its #152 holding.
  • William Blair & Company first reported a position in Automatic Data Processing in Q2 2013 and has held it in 52 quarters since.
  • William Blair & Company's Automatic Data Processing position peaked at $79.1M in Q1 2025.
  • 2,268 funds tracked by Wall St. Rank held Automatic Data Processing as of Q1 2026.

Based on William Blair & Company's 13F filing for Q1 2026, filed 8 May 2026.