Automatic Data Processing, Inc.
US ˙ NasdaqGS ˙ US0530151036

SecurityADP / Automatic Data Processing, Inc.
Institution1st Source Bank
Latest Disclosed Ownership28,541 shares
Latest Disclosed Value $ 5,798,961
1st Source Bank reports 2.00% decrease in ownership of ADP / Automatic Data Processing, Inc.

On May 4, 2026 - 1st Source Bank filed a 13F-HR form disclosing ownership of 28,541 shares of Automatic Data Processing, Inc. (US:ADP) valued at $5,798,960 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 5, 2026 disclosing 29,122 shares of Automatic Data Processing, Inc.. This represents a change in shares of -2.00% during the quarter. The current value of the position is $6,500,213 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-05-04 2026-03-31 13F AUTOMATIC DATA PROCESSING IN COM 053015103 28,541 -581 -2.00 5,799 -22.60 0.2760
2026-02-05 2025-12-31 13F AUTOMATIC DATA PROCESSING IN COM 053015103 29,122 -637 -2.14 7,491 -14.23 0.3930
2025-11-12 2025-09-30 13F AUTOMATIC DATA PROCESSING IN COM 053015103 29,759 -689 -2.26 8,734 -6.99 0.4604
2025-08-07 2025-06-30 13F AUTOMATIC DATA PROCESSING IN COM 053015103 30,448 -282 -0.92 9,390 0.02 0.5178
2025-05-05 2025-03-31 13F AUTOMATIC DATA PROCESSING IN COM 053015103 30,730 -381 -1.22 9,389 3.09 0.5533
2025-02-10 2024-12-31 13F AUTOMATIC DATA PROCESSING COM 053015103 31,111 -180 -0.58 9,107 5.17 0.5209
2024-12-11 2024-09-30 13F AUTOMATIC DATA PROCESSING COM 053015103 31,291 -581 -1.82 8,659 13.83 0.4888
2024-08-08 2024-06-30 13F AUTOMATIC DATA PROCESSING COM 053015103 31,872 -1,194 -3.61 7,608 -7.87 0.4448
2024-05-09 2024-03-31 13F AUTOMATIC DATA PROCESSING COM 053015103 33,066 -397 -1.19 8,258 5.93 0.4800
2024-02-08 2023-12-31 13F AUTOMATIC DATA PROCESSING COM 053015103 33,463 -38 -0.11 7,796 -3.28 0.4710
2023-11-09 2023-09-30 13F AUTOMATIC DATA PROCESSING COM 053015103 33,501 -109 -0.32 8,060 9.10 0.5487
2023-08-09 2023-06-30 13F AUTOMATIC DATA PROCESSING COM 053015103 33,610 -345 -1.02 7,387 -2.28 0.4769
2023-05-09 2023-03-31 13F AUTOMATIC DATA PROCESSING COM 053015103 33,955 -1,012 -2.89 7,559 -9.49 0.5024
2023-02-13 2022-12-31 13F AUTOMATIC DATA PROCESSING COM 053015103 34,967 -535 -1.51 8,352 4.01 0.5482
2022-11-04 2022-09-30 13F AUTOMATIC DATA PROCESSING COM 053015103 35,502 -17 -0.05 8,030 7.64 0.5841
2022-08-05 2022-06-30 13F AUTOMATIC DATA PROCESSING COM 053015103 35,519 -344 -0.96 7,460 -8.58 0.5269
2022-05-05 2022-03-31 13F AUTOMATIC DATA PROCESSING COM 053015103 35,863 161 0.45 8,160 -7.31 0.5015
2022-02-09 2021-12-31 13F AUTOMATIC DATA PROCESSING COM 053015103 35,702 -305 -0.85 8,804 22.29 0.5150
2021-11-05 2021-09-30 13F AUTOMATIC DATA PROCESSING COM 053015103 36,007 -743 -2.02 7,199 -1.38 0.4535
2021-08-03 2021-06-30 13F AUTOMATIC DATA PROCESSING COM 053015103 36,750 -455 -1.22 7,300 4.11 0.4602
2021-05-07 2021-03-31 13F AUTOMATIC DATA PROCESSING COM 053015103 37,205 -355 -0.95 7,012 5.95 0.4639
2021-02-05 2020-12-31 13F AUTOMATIC DATA PROCESSING COM 053015103 37,560 -2,480 -6.19 6,618 18.50 0.4823
2020-10-30 2020-09-30 13F AUTOMATIC DATA PROCESSING COM 053015103 40,040 292 0.73 5,585 -5.63 0.4756
2020-08-07 2020-06-30 13F AUTOMATIC DATA PROCESSING COM 053015103 39,748 -405 -1.01 5,918 7.84 0.5088
2020-04-29 2020-03-31 13F AUTOMATIC DATA PROCESSING COM 053015103 40,153 -1,246 -3.01 5,488 -22.24 0.5520
2020-01-27 2019-12-31 13F AUTOMATIC DATA PROCESSING COM 053015103 41,399 -827 -1.96 7,058 3.55 0.5287
2019-11-06 2019-09-30 13F AUTOMATIC DATA PROCESSING COM 053015103 42,226 -1,149 -2.65 6,816 -4.95 0.5589
2019-07-29 2019-06-30 13F AUTOMATIC DATA PROCESSING COM 053015103 43,375 -157 -0.36 7,171 3.12 0.5863
2019-04-29 2019-03-31 13F AUTOMATIC DATA PROCESSING COM 053015103 43,532 -124 -0.28 6,954 21.49 0.5931
2019-02-11 2018-12-31 13F AUTOMATIC DATA PROCESSING COM 053015103 43,656 -2,334 -5.08 5,724 -17.39 0.5562
2018-10-31 2018-09-30 13F AUTOMATIC DATA PROCESSING COM 053015103 45,990 -167 -0.36 6,929 11.90 0.5494
2018-08-02 2018-06-30 13F AUTOMATIC DATA PROCESSING COM 053015103 46,157 477 1.04 6,192 19.44 0.5027
2018-04-24 2018-03-31 13F AUTOMATIC DATA PROCESSING COM 053015103 45,680 -1,477 -3.13 5,184 -6.19 0.4294
2018-02-13 2017-12-31 13F AUTOMATIC DATA PROCESSING COM 053015103 47,157 -165 -0.35 5,526 6.80 0.4546
2017-10-27 2017-09-30 13F AUTOMATIC DATA PROCESSING COM 053015103 47,322 -1,921 -3.90 5,174 2.56 0.4303
2017-07-26 2017-06-30 13F AUTOMATIC DATA PROCESSING COM 053015103 49,243 -846 -1.69 5,045 -1.64 0.4345
2017-04-26 2017-03-31 13F AUTOMATIC DATA PROCESSING COM 053015103 50,089 -467 -0.92 5,129 -1.29 0.4541
2017-02-09 2016-12-31 13F AUTOMATIC DATA PROCESSING COM 053015103 50,556 -1,065 -2.06 5,196 14.12 0.4934
2016-10-27 2016-09-30 13F AUTOMATIC DATA PROCESSING COM 053015103 51,621 -817 -1.56 4,553 -5.50 0.4808
2016-07-29 2016-06-30 13F AUTOMATIC DATA PROCESSING COM 053015103 52,438 176 0.34 4,818 2.77 0.5443
2016-04-26 2016-03-31 13F AUTOMATIC DATA PROCESSING COM 053015103 52,262 -1,702 -3.15 4,688 2.54 0.5234
2016-01-29 2015-12-31 13F AUTOMATIC DATA PROCESSING COM 053015103 53,964 -322 -0.59 4,572 4.79 0.5306
2015-10-20 2015-09-30 13F AUTOMATIC DATA PROCESSING COM 053015103 54,286 -31 -0.06 4,363 0.11 0.5001
2015-08-04 2015-06-30 13F AUTOMATIC DATA PROCESSING COM 053015103 54,317 -1,992 -3.54 4,358 -9.62 0.4722
2015-04-27 2015-03-31 13F AUTOMATIC DATA PROCESSING COM 053015103 56,309 -1,395 -2.42 4,822 0.23 0.5780
2015-02-10 2014-12-31 13F AUTOMATIC DATA PROCESSING COM 053015103 57,704 -100 -0.17 4,811 0.19 0.5781
2014-10-30 2014-09-30 13F AUTOMATIC DATA PROCESS COM 053015103 57,804 -3,940 -6.38 4,802 -1.90 0.6365
2014-07-25 2014-06-30 13F AUTOMATIC DATA PROCESS COM 053015103 61,744 193 0.31 4,895 2.92 0.6317
2014-04-28 2014-03-31 13F AUTOMATIC DATA PROCESS COM 053015103 61,551 -456 -0.74 4,756 -5.07 0.6346
2014-02-13 2013-12-31 13F AUTOMATIC DATA PROCESSING COM 053015103 62,007 2,686 4.53 5,010 16.70 0.6733
2013-11-13 2013-09-30 13F AUTOMATIC DATA PROCESS COM 053015103 59,321 -1,309 -2.16 4,293 2.83 0.6368
2013-08-08 2013-06-30 13F AUTOMATIC DATA PROCESS COM 053015103 60,630 60,630 4,175 0.7053
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.