Automatic Data Processing, Inc.
US ˙ NasdaqGS ˙ US0530151036

SecurityADP / Automatic Data Processing, Inc.
InstitutionHunter Associates Investment Management Llc
Latest Disclosed Ownership7,151 shares
Latest Disclosed Value $ 1,453
Hunter Associates Investment Management Llc reports 1.65% decrease in ownership of ADP / Automatic Data Processing, Inc.

On April 27, 2026 - Hunter Associates Investment Management Llc filed a 13F-HR form disclosing ownership of 7,151 shares of Automatic Data Processing, Inc. (US:ADP) valued at $1,452,940 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 21, 2026 disclosing 7,271 shares of Automatic Data Processing, Inc.. This represents a change in shares of -1.65% during the quarter. The current value of the position is $1,654,098 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)
2026-04-27 2026-03-31 13F AUTOMATIC DATA PROCESSING INC COM COM 053015103 7,151 -120 -1.65 1 0.00 0.1922
2026-01-21 2025-12-31 13F AUTOMATIC DATA PROCESSING INC COM COM 053015103 7,271 -115 -1.56 2 -50.00 0.2499
2025-10-30 2025-09-30 13F AUTOMATIC DATA PROCESSING INC COM COM 053015103 7,386 77 1.05 2 0.00 0.3015
2025-08-05 2025-06-30 13F AUTOMATIC DATA PROCESSING INC COM COM 053015103 7,309 -200 -2.66 2 0.00 0.3345
2025-04-30 2025-03-31 13F AUTOMATIC DATA PROCESSING INC COM COM 053015103 7,509 -100 -1.31 2 0.00 0.3542
2025-01-23 2024-12-31 13F AUTOMATIC DATA PROCESSING INC COM COM 053015103 7,609 -366 -4.59 2 0.00 0.3390
2024-10-24 2024-09-30 13F AUTOMATIC DATA PROCESSING INC COM COM 053015103 7,975 -150 -1.85 2 100.00 0.3416
2024-08-01 2024-06-30 13F AUTOMATIC DATA PROCESSING INC COM COM 053015103 8,125 -175 -2.11 2 -50.00 0.3261
2024-05-01 2024-03-31 13F AUTOMATIC DATA PROCESSING INC COM COM 053015103 8,300 75 0.91 2 100.00 0.3483
2024-01-31 2023-12-31 13F AUTOMATIC DATA PROCESSING INC COM COM 053015103 8,225 -11 -0.13 2 0.00 0.3507
2023-11-09 2023-09-30 13F AUTOMATIC DATA PROCESSING INC COM COM 053015103 8,236 1,020 14.14 2 0.00 0.4026
2023-08-03 2023-06-30 13F AUTOMATIC DATA PROCESSING INC COM COM 053015103 7,216 -25 -0.35 2 0.00 0.3100
2023-05-02 2023-03-31 13F AUTOMATIC DATA PROCESSING INC COM COM 053015103 7,241 78 1.09 2 0.00 0.3455
2023-02-01 2022-12-31 13F AUTOMATIC DATA PROCESSING INC COM COM 053015103 7,163 -168 -2.29 2 -99.94 0.4129
2022-11-02 2022-09-30 13F AUTOMATIC DATA PROCESSING INC COM COM 053015103 7,331 0 0.00 1,660 7.79 0.4298
2022-08-10 2022-06-30 13F AUTOMATIC DATA PROCESSING INC COM COM 053015103 7,331 1,331 22.18 1,540 12.82 0.3800
2022-04-26 2022-03-31 13F AUTOMATIC DATA PROCESSING INC COM COM 053015103 6,000 0 0.00 1,365 -7.71 0.4395
2022-01-27 2021-12-31 13F AUTOMATIC DATA PROCESSING INC COM COM 053015103 6,000 0 0.00 1,479 23.25 0.4230
2021-11-12 2021-09-30 13F AUTOMATIC DATA PROCESSING INC COM COM 053015103 6,000 0 0.00 1,200 0.67 0.3856
2021-08-05 2021-06-30 13F/A-1 AUTOMATIC DATA PROCESSING INC COM COM 053015103 6,000 -2,013 -25.12 1,192 -21.06 0.3711
2021-08-05 2021-06-30 13F AUTOMATIC DATA PROCESSING INC COM COM 053015103 8,013 0 1,510 0.3491
2021-05-10 2021-03-31 13F AUTOMATIC DATA PROCESSING INC COM COM 053015103 8,013 0 0.00 1,510 6.94 0.3491
2021-01-29 2020-12-31 13F AUTOMATIC DATA PROCESSING INC COM COM 053015103 8,013 -100 -1.23 1,412 24.73 0.3473
2020-11-10 2020-09-30 13F Automatic Data Processing Inc Com COM 053015103 8,113 -150 -1.82 1,132 -7.97 0.3146
2020-08-13 2020-06-30 13F Automatic Data Processing Inc Com COM 053015103 8,263 0 0.00 1,230 8.95 0.3655
2020-05-11 2020-03-31 13F AUTOMATIC DATA PROCESSING COM 053015103 8,263 600 7.83 1,129 -13.62 0.4375
2020-02-07 2019-12-31 13F AUTOMATIC DATA PROCESSING COM 053015103 7,663 -20 -0.26 1,307 5.40 0.4057
2019-11-08 2019-09-30 13F AUTOMATIC DATA PROCESSING COM 053015103 7,683 50 0.66 1,240 -1.74 0.4263
2019-08-08 2019-06-30 13F AUTOMATIC DATA PROCESSING COM 053015103 7,633 -175 -2.24 1,262 1.20 0.4342
2019-05-10 2019-03-31 13F AUTOMATIC DATA PROCESSING COM 053015103 7,808 0 0.00 1,247 21.78 0.4366
2019-02-11 2018-12-31 13F AUTOMATIC DATA PROCESSING COM 053015103 7,808 135 1.76 1,024 -11.42 0.4165
2018-11-09 2018-09-30 13F AUTOMATIC DATA PROCESSING COM 053015103 7,673 0 0.00 1,156 12.34 0.3986
2018-08-10 2018-06-30 13F AUTOMATIC DATA PROCESSING COM 053015103 7,673 0 0.00 1,029 18.14 0.3717
2018-05-15 2018-03-31 13F/A-1 AUTOMATIC DATA PROCESSING COM 053015103 7,673 0 0.00 871 -3.11 0.3253
2018-05-14 2018-03-31 13F AUTOMATIC DATA PROCESSING COM 053015103 7,673 899
2018-02-15 2017-12-31 13F AUTOMATIC DATA PROCESSING COM 053015103 7,673 -200 -2.54 899 4.41 0.3312
2017-11-13 2017-09-30 13F AUTOMATIC DATA PROCESSING COM 053015103 7,873 -27 -0.34 861 6.43 0.3355
2017-08-11 2017-06-30 13F AUTOMATIC DATA PROCESSING COM 053015103 7,900 0 0.00 809 0.00 0.3289
2017-05-10 2017-03-31 13F AUTOMATIC DATA PROCESSING COM 053015103 7,900 -900 -10.23 809 -10.51 0.3403
2017-02-10 2016-12-31 13F AUTOMATIC DATA PROCESSING COM 053015103 8,800 -700 -7.37 904 7.88 0.3858
2016-11-10 2016-09-30 13F AUTOMATIC DATA PROCESSING COM 053015103 9,500 -447 -4.49 838 -8.32 0.3600
2016-08-15 2016-06-30 13F AUTOMATIC DATA PROCESSING COM 053015103 9,947 0 0.00 914 2.47 0.3960
2016-05-13 2016-03-31 13F AUTOMATIC DATA PROCESSING COM 053015103 9,947 225 2.31 892 8.25 0.4073
2016-02-09 2015-12-31 13F AUTOMATIC DATA PROCESSING COM 053015103 9,722 0 0.00 824 5.51 0.3621
2015-11-12 2015-09-30 13F AUTOMATIC DATA PROCESSING COM 053015103 9,722 0 0.00 781 0.13 0.3665
2015-08-12 2015-06-30 13F AUTOMATIC DATA PROCESSING COM 053015103 9,722 0 0.00 780 -6.36 0.3245
2015-05-12 2015-03-31 13F AUTOMATIC DATA PROCESSING COM 053015103 9,722 0 0.00 833 2.71 0.3281
2015-02-13 2014-12-31 13F AUTOMATIC DATA PROCESSING COM 053015103 9,722 -1,000 -9.33 811 -8.98 0.3121
2014-11-13 2014-09-30 13F AUTOMATIC DATA PROCESSING COM 053015103 10,722 -800 -6.94 891 -2.41 0.3475
2014-08-13 2014-06-30 13F AUTOMATIC DATA PROCESSING COM 053015103 11,522 232 2.05 913 4.70 0.3587
2014-05-14 2014-03-31 13F AUTOMATIC DATA PROCESSING COM 053015103 11,290 -3,670 -24.53 872 -27.87 0.3442
2014-02-14 2013-12-31 13F AUTOMATIC DATA PROCESSING COM 053015103 14,960 0 0.00 1,209 11.63 0.4653
2013-11-13 2013-09-30 13F AUTOMATIC DATA PROCESSING COM 053015103 14,960 750 5.28 1,083 10.62 0.4514
2013-08-13 2013-06-30 13F AUTOMATIC DATA PROCESSING COM 053015103 14,210 14,210 979 0.3629
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.