Automatic Data Processing, Inc.
US ˙ NasdaqGS ˙ US0530151036

SecurityADP / Automatic Data Processing, Inc.
InstitutionOverbrook Management Corp
Latest Disclosed Ownership0 shares
Latest Disclosed Value $ 0
Overbrook Management Corp closes position in ADP / Automatic Data Processing, Inc.

On April 9, 2026 - Overbrook Management Corp filed a 13F-HR form disclosing ownership of 0 shares of Automatic Data Processing, Inc. (US:ADP) valued at $0 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 9, 2026 disclosing 906 shares of Automatic Data Processing, Inc.. The current value of the position is $0 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)
2026-04-09 2026-03-31 13F AUTOMATIC DATA PROCESSING IN COM 053015103 0 -100.00 0
2026-01-09 2025-12-31 13F AUTOMATIC DATA PROCESSING IN COM 053015103 906 -120 -11.70 233 -22.59 0.0402
2025-10-06 2025-09-30 13F AUTOMATIC DATA PROCESSING IN COM 053015103 1,026 -234 -18.57 301 -22.42 0.0542
2025-07-17 2025-06-30 13F AUTOMATIC DATA PROCESSING IN COM 053015103 1,260 -11 -0.87 389 0.00 0.0724
2025-04-24 2025-03-31 13F AUTOMATIC DATA PROCESSING IN COM 053015103 1,271 -164 -11.43 388 -7.62 0.0912
2025-01-16 2024-12-31 13F AUTOMATIC DATA PROCESSING IN COM 053015103 1,435 -4,120 -74.17 420 -72.67 0.0905
2024-11-08 2024-09-30 13F AUTOMATIC DATA PROCESSING IN COM 053015103 5,555 -658 -10.59 1,537 3.71 0.3527
2024-07-25 2024-06-30 13F AUTOMATIC DATA PROCESSING IN COM 053015103 6,213 -245 -3.79 1,483 -8.06 0.3744
2024-04-16 2024-03-31 13F AUTOMATIC DATA PROCESSING IN COM 053015103 6,458 -95 -1.45 1,613 5.64 0.4337
2024-02-02 2023-12-31 13F AUTOMATIC DATA PROCESSING IN COM 053015103 6,553 -79 -1.19 1,527 -4.33 0.3085
2023-11-13 2023-09-30 13F AUTOMATIC DATA PROCESSING IN COM 053015103 6,632 -75 -1.12 1,596 8.21 0.3714
2023-08-11 2023-06-30 13F AUTOMATIC DATA PROCESSING IN COM 053015103 6,707 0 0.00 1,474 -1.27 0.3502
2023-05-12 2023-03-31 13F AUTOMATIC DATA PROCESSING IN COM 053015103 6,707 -45 -0.67 1,493 -7.38 0.3912
2023-02-13 2022-12-31 13F AUTOMATIC DATA PROCESSING IN COM 053015103 6,752 0 0.00 1,613 5.57 0.4688
2022-11-10 2022-09-30 13F AUTOMATIC DATA PROCESSING IN COM 053015103 6,752 -215 -3.09 1,527 4.37 0.4338
2022-08-11 2022-06-30 13F AUTOMATIC DATA PROCESSING IN COM 053015103 6,967 -123 -1.73 1,463 -9.30 0.4228
2022-05-16 2022-03-31 13F AUTOMATIC DATA PROCESSING IN COM 053015103 7,090 -68 -0.95 1,613 -8.61 0.3576
2022-02-14 2021-12-31 13F AUTOMATIC DATA PROCESSING IN COM 053015103 7,158 -11 -0.15 1,765 23.17 0.3559
2021-11-12 2021-09-30 13F AUTOMATIC DATA PROCESSING IN COM 053015103 7,169 -254 -3.42 1,433 -2.78 0.3112
2021-08-13 2021-06-30 13F AUTOMATIC DATA PROCESSING IN COM 053015103 7,423 -243 -3.17 1,474 2.01 0.3082
2021-05-17 2021-03-31 13F AUTOMATIC DATA PROCESSING IN COM 053015103 7,666 -80 -1.03 1,445 5.86 0.3214
2021-02-16 2020-12-31 13F AUTOMATIC DATA PROCESSING IN COM 053015103 7,746 -10,652 -57.90 1,365 -46.80 0.3330
2020-11-16 2020-09-30 13F AUTOMATIC DATA PROCESSING IN COM 053015103 18,398 -4,909 -21.06 2,566 -26.05 0.5920
2020-08-13 2020-06-30 13F AUTOMATIC DATA PROCESSING IN COM 053015103 23,307 15,445 196.45 3,470 222.79 0.9048
2020-05-15 2020-03-31 13F AUTOMATIC DATA PROCESSING IN COM 053015103 7,862 -135 -1.69 1,075 -21.13 0.4916
2020-02-13 2019-12-31 13F AUTOMATIC DATA PROCESSING IN COM 053015103 7,997 -155 -1.90 1,363 3.57 0.4062
2019-11-12 2019-09-30 13F AUTOMATIC DATA PROCESSING IN COM 053015103 8,152 0 0.00 1,316 -2.37 0.3306
2019-08-13 2019-06-30 13F AUTOMATIC DATA PROCESSING IN COM 053015103 8,152 -693 -7.83 1,348 -4.60 0.2783
2019-05-14 2019-03-31 13F AUTOMATIC DATA PROCESSING IN COM 053015103 8,845 -559 -5.94 1,413 14.60 0.3038
2019-02-12 2018-12-31 13F AUTOMATIC DATA PROCESSING IN COM 053015103 9,404 386 4.28 1,233 -9.27 0.2879
2018-11-14 2018-09-30 13F AUTOMATIC DATA PROCESSING IN COM 053015103 9,018 -166 -1.81 1,359 10.31 0.2575
2018-08-08 2018-06-30 13F AUTOMATIC DATA PROCESSING IN COM 053015103 9,184 -2,009 -17.95 1,232 -2.99 0.2335
2018-05-14 2018-03-31 13F AUTOMATIC DATA PROCESSING IN COM 053015103 11,193 600 5.66 1,270 2.34 0.2623
2018-02-12 2017-12-31 13F AUTOMATIC DATA PROCESSING IN COM 053015103 10,593 -100 -0.94 1,241 6.16 0.2515
2017-11-13 2017-09-30 13F AUTOMATIC DATA PROCESSING IN COM 053015103 10,693 0 0.00 1,169 6.66 0.2642
2017-08-10 2017-06-30 13F AUTOMATIC DATA PROCESSING IN COM 053015103 10,693 -167 -1.54 1,096 -1.44 0.2361
2017-05-12 2017-03-31 13F AUTOMATIC DATA PROCESSING IN COM 053015103 10,860 -715 -6.18 1,112 -6.55 0.2430
2017-02-14 2016-12-31 13F AUTOMATIC DATA PROCESSING IN COM 053015103 11,575 -27 -0.23 1,190 16.32 0.2589
2016-11-14 2016-09-30 13F AUTOMATIC DATA PROCESSING IN COM 053015103 11,602 -290 -2.44 1,023 -6.40 0.2357
2016-08-11 2016-06-30 13F AUTOMATIC DATA PROCESSING IN COM 053015103 11,892 -1,335 -10.09 1,093 -7.92 0.2292
2016-05-16 2016-03-31 13F AUTOMATIC DATA PROCESSING IN COM 053015103 13,227 0 0.00 1,187 5.89 0.2559
2016-02-16 2015-12-31 13F AUTOMATIC DATA PROCESSING IN COM 053015103 13,227 910 7.39 1,121 13.23 0.1955
2015-11-16 2015-09-30 13F AUTOMATIC DATA PROCESSING IN COM 053015103 12,317 -325 -2.57 990 -2.37 0.1526
2015-08-14 2015-06-30 13F AUTOMATIC DATA PROCESSING IN COM 053015103 12,642 -149 -1.16 1,014 -7.40 0.1545
2015-05-14 2015-03-31 13F AUTOMATIC DATA PROCESSING IN COM 053015103 12,791 -2,042 -13.77 1,095 -11.48 0.1786
2015-02-12 2014-12-31 13F AUTOMATIC DATA PROCESSING IN COM 053015103 14,833 -60 -0.40 1,237 0.00 0.2498
2014-11-14 2014-09-30 13F AUTOMATIC DATA PROCESSING IN COM 053015103 14,893 -400 -2.62 1,237 2.06 0.1943
2014-08-15 2014-06-30 13F/A-1 AUTOMATIC DATA PROCESSING IN COM 053015103 15,293 -33 -0.22 1,212 2.36 0.2161
2014-08-15 2014-06-30 13F AUTOMATIC DATA PROCESSING IN COM 053015103 15,293 1,212
2014-05-15 2014-03-31 13F AUTOMATIC DATA PROCESSING COM 053015103 15,326 -200 -1.29 1,184 -5.58 0.2255
2014-02-13 2013-12-31 13F AUTOMATIC DATA PROCESSING IN COM 053015103 15,526 -99 -0.63 1,254 10.88 0.2385
2013-11-14 2013-09-30 13F AUTOMATIC DATA PROCESSING IN COM 053015103 15,625 0 0.00 1,131 5.11 0.2613
2013-08-14 2013-06-30 13F AUTOMATIC DATA PROCESSING IN COM 053015103 15,625 15,625 1,076 0.2583
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.