Automatic Data Processing, Inc.
US ˙ NasdaqGS ˙ US0530151036

SecurityADP / Automatic Data Processing, Inc.
InstitutionCoastline Trust Co
Latest Disclosed Ownership14,668 shares
Latest Disclosed Value $ 2,980,245
Coastline Trust Co reports 2.42% decrease in ownership of ADP / Automatic Data Processing, Inc.

On April 3, 2026 - Coastline Trust Co filed a 13F-HR form disclosing ownership of 14,668 shares of Automatic Data Processing, Inc. (US:ADP) valued at $2,980,244 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 5, 2026 disclosing 15,032 shares of Automatic Data Processing, Inc.. This represents a change in shares of -2.42% during the quarter. The current value of the position is $3,340,637 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)
2026-04-03 2026-03-31 13F AUTOMATIC DATA PROCESSING IN COM 053015103 14,668 -364 -2.42 2,980 -22.92 0.2957
2026-01-05 2025-12-31 13F AUTOMATIC DATA PROCESSING IN COM 053015103 15,032 0 0.00 3,867 -12.36 0.3636
2025-10-21 2025-09-30 13F AUTOMATIC DATA PROCESSING IN COM 053015103 15,032 -326 -2.12 4,412 -6.86 0.4735
2025-07-17 2025-06-30 13F AUTOMATIC DATA PROCESSING IN COM 053015103 15,358 -3 -0.02 4,736 0.92 0.5425
2025-04-28 2025-03-31 13F AUTOMATIC DATA PROCESSING IN COM 053015103 15,361 -210 -1.35 4,693 2.96 0.5834
2025-02-13 2024-12-31 13F AUTOMATIC DATA PROCESSING COM 053015103 15,571 -560 -3.47 4,558 2.13 0.5337
2024-11-06 2024-09-30 13F AUTOMATIC DATA PROCESSING COM 053015103 16,131 -755 -4.47 4,464 10.74 0.5245
2024-07-15 2024-06-30 13F AUTOMATIC DATA PROCESSING COMMON STOCK 053015103 16,886 -115 -0.68 4,031 -5.06 0.4719
2024-04-26 2024-03-31 13F AUTOMATIC DATA PROCESSING COMMON STOCK 053015103 17,001 -9,083 -34.82 4,246 -30.13 0.5131
2024-01-23 2023-12-31 13F AUTOMATIC DATA PROCESSING COMMON STOCK 053015103 26,084 -180 -0.69 6,077 -3.83 0.8080
2023-10-18 2023-09-30 13F AUTOMATIC DATA PROCESSING COMMON STOCK 053015103 26,264 -557 -2.08 6,319 7.19 0.9316
2023-08-07 2023-06-30 13F AUTOMATIC DATA PROCESSING COMMON STOCK 053015103 26,821 -2,742 -9.28 5,895 -10.44 0.8255
2023-05-31 2023-03-31 13F/A-1 AUTOMATIC DATA PROCESSING COMMON STOCK 053015103 29,563 -42 -0.14 6,582 -6.93 0.9747
2023-04-12 2023-03-31 13F AUTOMATIC DATA PROCESSING COMMON STOCK 053015103 29,605 0 7,071 1.0535
2023-02-09 2022-12-31 13F AUTOMATIC DATA PROCESSING COMMON STOCK 053015103 29,605 90 0.30 7,071 5.92 1.0535
2022-11-03 2022-09-30 13F AUTOMATIC DATA PROCESSING COMMON STOCK 053015103 29,515 -185 -0.62 6,676 7.00 1.0680
2022-07-22 2022-06-30 13F AUTOMATIC DATA PROCESSING COMMON STOCK 053015103 29,700 -90 -0.30 6,239 -7.95 0.9229
2022-05-04 2022-03-31 13F AUTOMATIC DATA PROCESSING COMMON STOCK 053015103 29,790 0 0.00 6,778 -7.72 0.8232
2022-02-10 2021-12-31 13F AUTOMATIC DATA PROCESSING COMMON STOCK 053015103 29,790 -690 -2.26 7,345 20.53 0.8379
2021-11-09 2021-09-30 13F AUTOMATIC DATA PROCESSING COMMON STOCK 053015103 30,480 -865 -2.76 6,094 -2.10 0.7581
2021-08-10 2021-06-30 13F AUTOMATIC DATA PROCESSING COMMON STOCK 053015103 31,345 -3,510 -10.07 6,225 -5.24 0.7704
2021-05-10 2021-03-31 13F AUTOMATIC DATA PROCESSING COMMON STOCK 053015103 34,855 -4,660 -11.79 6,569 -5.64 0.8469
2021-02-12 2020-12-31 13F AUTOMATIC DATA PROCESSING COMMON STOCK 053015103 39,515 -1,640 -3.98 6,962 21.27 0.9277
2020-10-15 2020-09-30 13F AUTOMATIC DATA PROCESSING COMMON STOCK 053015103 41,155 1,285 3.22 5,741 -3.29 0.8629
2020-08-07 2020-06-30 13F AUTOMATIC DATA PROCESSING COMMON STOCK 053015103 39,870 -1,240 -3.02 5,936 5.64 0.9371
2020-06-10 2020-03-31 13F AUTOMATIC DATA PROCESSING COMMON STOCK 053015103 41,110 -30 -0.07 5,619 -19.89 1.0146
2020-01-15 2019-12-31 13F AUTOMATIC DATA PROCESSING COMMON STOCK 053015103 41,140 -183 -0.44 7,014 5.16 0.9721
2019-10-18 2019-09-30 13F AUTOMATIC DATA PROCESSING COMMON STOCK 053015103 41,323 -3,707 -8.23 6,670 -10.41 0.9816
2019-07-18 2019-06-30 13F AUTOMATIC DATA PROCESSING COMMON STOCK 053015103 45,030 -4,560 -9.20 7,445 -6.02 1.0822
2019-04-25 2019-03-31 13F AUTOMATIC DATA PROCESSING COMMON STOCK 053015103 49,590 -4,810 -8.84 7,922 11.06 1.1831
2019-01-15 2018-12-31 13F AUTOMATIC DATA PROCESSING COMMON STOCK 053015103 54,400 -105 -0.19 7,133 -13.14 1.2298
2018-10-17 2018-09-30 13F AUTOMATIC DATA PROCESSING COMMON STOCK 053015103 54,505 -3,625 -6.24 8,212 5.32 1.1770
2018-07-27 2018-06-30 13F AUTOMATIC DATA PROCESSING COMMON STOCK 053015103 58,130 -5,925 -9.25 7,797 7.26 1.1757
2018-04-16 2018-03-31 13F AUTOMATIC DATA PROCESSING COMMON STOCK 053015103 64,055 -2,865 -4.28 7,269 -7.31 1.1168
2018-01-17 2017-12-31 13F AUTOMATIC DATA PROCESSING COMMON STOCK 053015103 66,920 -370 -0.55 7,842 6.61 1.1798
2017-11-17 2017-09-30 13F AUTOMATIC DATA PROCESSING COMMON STOCK 053015103 67,290 -4,240 -5.93 7,356 0.38 1.2827
2017-08-10 2017-06-30 13F AUTOMATIC DATA PROCESSING COMMON STOCK 053015103 71,530 75 0.10 7,328 0.16 1.3282
2017-04-19 2017-03-31 13F AUTOMATIC DATA PROCESSING COMMON STOCK 053015103 71,455 -1,155 -1.59 7,316 -1.97 1.3658
2017-01-17 2016-12-31 13F AUTOMATIC DATA PROCESSING COMMON STOCK 053015103 72,610 0 0.00 7,463 16.52 1.4660
2016-10-20 2016-09-30 13F AUTOMATIC DATA PROCESSING COMMON STOCK 053015103 72,610 -25 -0.03 6,405 -4.02 1.2530
2016-07-18 2016-06-30 13F AUTOMATIC DATA PROCESSING COMMON STOCK 053015103 72,635 75 0.10 6,673 2.52 1.3479
2016-04-15 2016-03-31 13F AUTOMATIC DATA PROCESSING COMMON STOCK 053015103 72,560 295 0.41 6,509 6.32 1.3886
2016-01-15 2015-12-31 13F AUTOMATIC DATA PROCESSING COMMON STOCK 053015103 72,265 850 1.19 6,122 6.67 1.3441
2015-10-30 2015-09-30 13F AUTOMATIC DATA PROCESSING COMMON STOCK 053015103 71,415 140 0.20 5,739 0.37 1.3065
2015-07-22 2015-06-30 13F AUTOMATIC DATA PROCESSING COMMON STOCK 053015103 71,275 -3,820 -5.09 5,718 -11.10 1.1961
2015-04-17 2015-03-31 13F AUTOMATIC DATA PROCESSING COMMON STOCK 053015103 75,095 -1,395 -1.82 6,432 0.86 1.3201
2015-01-21 2014-12-31 13F AUTOMATIC DATA PROCESSING COMMON STOCK 053015103 76,490 55 0.07 6,377 0.43 1.3318
2014-10-20 2014-09-30 13F AUTOMATIC DATA PROCESSING COMMON STOCK 053015103 76,435 -4,444 -5.49 6,350 -0.97 1.6642
2014-07-23 2014-06-30 13F AUTOMATIC DATA PROCESSING COMMON STOCK 053015103 80,879 -1,840 -2.22 6,412 0.33 1.6639
2014-05-09 2014-03-31 13F AUTOMATIC DATA PROCESSING COMMON STOCK 053015103 82,719 -2,260 -2.66 6,391 -6.93 1.6991
2014-02-14 2013-12-31 13F AUTOMATIC DATA PROCESSING IN COMMON STOCK 053015103 84,979 919 1.09 6,867 12.87 1.8649
2013-11-12 2013-09-30 13F AUTOMATIC DATA PROCESSING COMMON STOCK 053015103 84,060 -10,130 -10.75 6,084 -6.20 1.7887
2013-08-06 2013-06-30 13F AUTOMATIC DATA PROCESSING COMMON STOCK 053015103 94,190 94,190 6,486 1.9997
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.