Automatic Data Processing, Inc.
US ˙ NasdaqGS ˙ US0530151036

SecurityADP / Automatic Data Processing, Inc.
InstitutionSegment Wealth Management, LLC
Latest Disclosed Ownership60,301 shares
Latest Disclosed Value $ 12,251,917
Segment Wealth Management, LLC reports 2.42% increase in ownership of ADP / Automatic Data Processing, Inc.

On April 20, 2026 - Segment Wealth Management, LLC filed a 13F-HR form disclosing ownership of 60,301 shares of Automatic Data Processing, Inc. (US:ADP) valued at $12,251,957 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 29, 2026 disclosing 58,874 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 $13,733,553 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)
2026-04-20 2026-03-31 13F AUTOMATIC DATA PROCESSING IN COM 053015103 60,301 1,427 2.42 12,252 -19.10 0.7188
2026-01-29 2025-12-31 13F AUTOMATIC DATA PROCESSING IN COM 053015103 58,874 524 0.90 15,144 -11.57 0.8783
2025-10-20 2025-09-30 13F AUTOMATIC DATA PROCESSING IN COM 053015103 58,350 335 0.58 17,126 -4.28 1.0264
2025-07-21 2025-06-30 13F AUTOMATIC DATA PROCESSING IN COM 053015103 58,015 -1,217 -2.05 17,892 -1.14 1.1356
2025-04-22 2025-03-31 13F AUTOMATIC DATA PROCESSING IN COM 053015103 59,232 869 1.49 18,097 5.93 1.2243
2025-01-17 2024-12-31 13F AUTOMATIC DATA PROCESSING IN COM 053015103 58,363 -43 -0.07 17,085 5.70 1.1646
2024-10-22 2024-09-30 13F AUTOMATIC DATA PROCESSING IN COM 053015103 58,406 281 0.48 16,163 16.50 1.1107
2024-07-23 2024-06-30 13F AUTOMATIC DATA PROCESSING IN COM 053015103 58,125 1,022 1.79 13,874 -2.71 1.0236
2024-04-24 2024-03-31 13F AUTOMATIC DATA PROCESSING IN COM 053015103 57,103 1,679 3.03 14,261 10.44 1.0836
2024-01-26 2023-12-31 13F AUTOMATIC DATA PROCESSING IN COM 053015103 55,424 1,425 2.64 12,912 -0.60 1.1403
2023-10-25 2023-09-30 13F AUTOMATIC DATA PROCESSING IN COM 053015103 53,999 1,560 2.97 12,991 12.71 1.3205
2023-08-22 2023-06-30 13F/A-1 AUTOMATIC DATA PROCESSING IN COM 053015103 52,439 33 0.06 11,525 -1.22 1.1852
2023-07-21 2023-06-30 13F AUTOMATIC DATA PROCESSING IN COM 053015103 52,439 33 11,525 1.1966
2023-04-20 2023-03-31 13F AUTOMATIC DATA PROCESSING IN COM 053015103 52,406 552 1.06 11,667 -5.80 1.3198
2023-01-13 2022-12-31 13F AUTOMATIC DATA PROCESSING IN COM 053015103 51,854 375 0.73 12,386 6.36 1.4339
2022-10-24 2022-09-30 13F AUTOMATIC DATA PROCESSING IN COM 053015103 51,479 740 1.46 11,644 9.26 1.4538
2022-07-20 2022-06-30 13F AUTOMATIC DATA PROCESSING IN COM 053015103 50,739 1,820 3.72 10,657 -4.26 1.3527
2022-04-25 2022-03-31 13F AUTOMATIC DATA PROCESSING IN COM 053015103 48,919 3,080 6.72 11,131 -1.52 1.1470
2022-01-24 2021-12-31 13F AUTOMATIC DATA PROCESSING IN COM 053015103 45,839 771 1.71 11,303 25.45 1.1855
2021-10-19 2021-09-30 13F AUTOMATIC DATA PROCESSING IN COM 053015103 45,068 673 1.52 9,010 2.18 1.0694
2021-07-20 2021-06-30 13F AUTOMATIC DATA PROCESSING IN COM 053015103 44,395 1,107 2.56 8,818 8.09 1.0464
2021-05-10 2021-03-31 13F AUTOMATIC DATA PROCESSING IN COM 053015103 43,288 753 1.77 8,158 8.85 1.0819
2021-01-27 2020-12-31 13F AUTOMATIC DATA PROCESSING IN COM 053015103 42,535 -1,957 -4.40 7,495 20.77 1.0820
2020-10-27 2020-09-30 13F AUTOMATIC DATA PROCESSING IN COM 053015103 44,492 5,114 12.99 6,206 5.85 1.0078
2020-07-15 2020-06-30 13F AUTOMATIC DATA PROCESSING IN COM 053015103 39,378 1,115 2.91 5,863 12.10 1.0841
2020-04-24 2020-03-31 13F AUTOMATIC DATA PROCESSING IN COM 053015103 38,263 1,604 4.38 5,230 -16.33 1.1652
2020-01-23 2019-12-31 13F AUTOMATIC DATA PROCESSING IN COM 053015103 36,659 1,371 3.89 6,251 9.74 1.0556
2019-10-22 2019-09-30 13F AUTOMATIC DATA PROCESSING IN COM 053015103 35,288 737 2.13 5,696 -0.28 1.1144
2019-07-29 2019-06-30 13F AUTOMATIC DATA PROCESSING IN COM 053015103 34,551 85 0.25 5,712 3.74 1.1619
2019-04-30 2019-03-31 13F AUTOMATIC DATA PROCESSING IN COM 053015103 34,466 324 0.95 5,506 22.98 1.1663
2019-01-31 2018-12-31 13F AUTOMATIC DATA PROCESSING IN COM 053015103 34,142 1,417 4.33 4,477 -9.19 1.1294
2018-11-07 2018-09-30 13F AUTOMATIC DATA PROCESSING IN COM 053015103 32,725 298 0.92 4,930 13.33 1.0741
2018-07-17 2018-06-30 13F AUTOMATIC DATA PROCESSING IN COM 053015103 32,427 421 1.32 4,350 19.77 1.0260
2018-04-27 2018-03-31 13F AUTOMATIC DATA PROCESSING IN COM 053015103 32,006 707 2.26 3,632 -0.98 0.9032
2018-01-22 2017-12-31 13F AUTOMATIC DATA PROCESSING IN COM 053015103 31,299 626 2.04 3,668 9.39 0.8866
2017-10-26 2017-09-30 13F AUTOMATIC DATA PROCESSING IN COM 053015103 30,673 470 1.56 3,353 8.34 0.8895
2017-08-11 2017-06-30 13F AUTOMATIC DATA PROCESSING IN COM 053015103 30,203 1,503 5.24 3,095 5.31 0.8524
2017-05-08 2017-03-31 13F AUTOMATIC DATA PROCESSING IN COM 053015103 28,700 672 2.40 2,939 2.01 2.9240
2017-02-06 2016-12-31 13F AUTOMATIC DATA PROCESSING IN COM 053015103 28,028 255 0.92 2,881 17.59 1.0570
2016-10-26 2016-09-30 13F AUTOMATIC DATA PROCESSING IN COM 053015103 27,773 45 0.16 2,450 -3.81 0.9643
2016-08-09 2016-06-30 13F AUTOMATIC DATA PROCESSING IN COM 053015103 27,728 -3,445 -11.05 2,547 -8.94 1.0513
2016-05-11 2016-03-31 13F AUTOMATIC DATA PROCESSING IN COM 053015103 31,173 563 1.84 2,797 7.87 1.0442
2016-02-08 2015-12-31 13F AUTOMATIC DATA PROCESSING IN COM 053015103 30,610 -640 -2.05 2,593 3.27 0.9830
2015-10-23 2015-09-30 13F AUTOMATIC DATA PROCESSING IN COM 053015103 31,250 1,959 6.69 2,511 6.85 0.9599
2015-07-21 2015-06-30 13F AUTOMATIC DATA PROCESSING IN COM 053015103 29,291 34 0.12 2,350 -6.23 0.8160
2015-04-28 2015-03-31 13F AUTOMATIC DATA PROCESSING IN COM 053015103 29,257 29,257 0.00 2,506 0.8372
2015-01-28 2014-12-31 13F AUTOMATIC DATA PROCESSING IN COM 053015103 0 -23,481 -100.00 0 -100.00
2014-10-28 2014-09-30 13F AUTOMATIC DATA PROCESSING IN COM 053015103 23,481 1,438 6.52 1,951 11.61 0.7453
2014-07-28 2014-06-30 13F AUTOMATIC DATA PROCESSING IN COM 053015103 22,043 1,434 6.96 1,748 9.80 0.6767
2014-04-25 2014-03-31 13F AUTOMATIC DATA PROCESSING IN COM 053015103 20,609 3,332 19.29 1,592 14.04 0.7402
2014-01-17 2013-12-31 13F AUTOMATIC DATA PROCESSING IN COM 053015103 17,277 17,277 1,396 0.6886
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.