Automatic Data Processing, Inc.
GB ˙ LSE ˙ FR0010340141
234,03 $ ↑3,51 (1,52%)
2026-06-05
DEL PRIS
SecurityGB:0HJI / Automatic Data Processing, Inc.
InstitutionPenbrook Management LLC
Latest Disclosed Ownership6,300 shares
Latest Disclosed Value $ 1,280,034
Penbrook Management LLC ownership in 0HJI / Automatic Data Processing, Inc.

On April 21, 2026 - Penbrook Management LLC filed a 13F-HR form disclosing ownership of 6,300 shares of Automatic Data Processing, Inc. (GB:0HJI) valued at $1,281,798 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 6, 2026 disclosing 6,300 shares of Automatic Data Processing, Inc.. This represents a change in shares of 0.00% during the quarter. The current value of the position is $1,474,389 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)
2026-04-21 2026-03-31 13F AUTOMATIC DATA PROCESSING INC COM Stock 053015103 6,300 0 0.00 1,280 -20.99 0.9693
2026-01-06 2025-12-31 13F AUTOMATIC DATA PROCESSING INC COM Stock 053015103 6,300 0 0.00 1,621 -12.39 1.1178
2025-10-22 2025-09-30 13F AUTOMATIC DATA PROCESSING INC COM Stock 053015103 6,300 0 0.00 1,849 -4.79 1.2910
2025-07-28 2025-06-30 13F/A-1 AUTOMATIC DATA PROCESSING INC COM Stock 053015103 6,300 0 0.00 1,943 0.94 1.4610
2025-07-25 2025-06-30 13F AUTOMATIC DATA PROCESSING Stock 053015103 6,300 0 1,925 1.4550
2025-04-01 2025-03-31 13F AUTOMATIC DATA PROCESSING Stock 053015103 6,300 0 0.00 1,925 4.34 1.4550
2025-01-23 2024-12-31 13F AUTOMATIC DATA PROCESSING Stock 053015103 6,300 0 0.00 1,844 5.79 1.2580
2024-10-15 2024-09-30 13F AUTOMATIC DATA PROCESSING Stock 053015103 6,300 0 0.00 1,743 15.97 1.1334
2024-07-24 2024-06-30 13F AUTOMATIC DATA PROCESSING Stock 053015103 6,300 0 0.00 1,504 -4.45 0.9179
2024-04-18 2024-03-31 13F AUTOMATIC DATA PROCESSING Stock 053015103 6,300 0 0.00 1,573 7.23 0.9751
2024-01-16 2023-12-31 13F AUTOMATIC DATA PROCESSING Stock 053015103 6,300 0 0.00 1,468 -3.17 0.9861
2023-10-10 2023-09-30 13F AUTOMATIC DATA PROCESSING Stock 053015103 6,300 0 0.00 1,516 9.47 1.1106
2023-07-17 2023-06-30 13F AUTOMATIC DATA PROCESSING Stock 053015103 6,300 -38 -0.60 1,385 -1.91 1.0036
2023-04-20 2023-03-31 13F AUTOMATIC DATA PROCESSING Stock 053015103 6,338 0 0.00 1,411 -6.74 1.0812
2023-01-24 2022-12-31 13F AUTOMATIC DATA PROCESSING Stock 053015103 6,338 -1,000 -13.63 1,514 -8.86 1.2903
2022-10-31 2022-09-30 13F AUTOMATIC DATA PROCESSING Stock 053015103 7,338 38 0.52 1,660 8.28 1.4286
2022-07-29 2022-06-30 13F AUTOMATIC DATA PROCESSING Stock 053015103 7,300 0 0.00 1,533 -7.71 1.2089
2022-04-26 2022-03-31 13F AUTOMATIC DATA PROCESSING INC COM Stock 053015103 7,300 -100 -1.35 1,661 -8.99 1.0775
2022-01-10 2021-12-31 13F AUTOMATIC DATA PROCESSING Stock 053015103 7,400 -100 -1.33 1,825 21.75 1.0996
2021-10-26 2021-09-30 13F AUTOMATIC DATA PROCESSING INC COM Stock 053015103 7,500 -128 -1.68 1,499 -1.06 0.9315
2021-07-27 2021-06-30 13F AUTOMATIC DATA PROCESSING INC COM COM 053015103 7,628 0 0.00 1,515 5.35 0.9081
2021-05-06 2021-03-31 13F/A-2 AUTOMATIC DATA PROCESSING Stock 053015103 7,628 0 0.00 1,438 6.99 1.0349
2021-05-05 2021-03-31 13F/A-1 AUTOMATIC DATA PROCESSING Stock 053015103 7,628 0 1,438 1.0431
2021-04-16 2021-03-31 13F AUTOMATIC DATA PROCESSING Stock 053015103 7,628 0 1,043 1.2143
2022-04-25 2020-12-31 13F/A-1 AUTOMATIC DATA PROCESSING INC COM Stock 053015103 7,628 0 0.00 1,344 26.32 1.0352
2021-01-27 2020-12-31 13F AUTOMATIC DATA PROCESSING COM 053015103 7,628 0 1,344 0.9475
2020-10-23 2020-09-30 13F AUTOMATIC DATA PROCESSING COM 053015103 7,628 0 0.00 1,064 -6.34 0.9224
2020-07-28 2020-06-30 13F AUTOMATIC DATA PROCESSING COM 053015103 7,628 0 0.00 1,136 8.92 1.1174
2020-04-14 2020-03-31 13F AUTOMATIC DATA PROCESSING COM 053015103 7,628 0 0.00 1,043 -19.83 1.3356
2020-01-16 2019-12-31 13F AUTOMATIC DATA PROCESSING COM 053015103 7,628 0 0.00 1,301 5.69 1.2677
2019-10-11 2019-09-30 13F AUTOMATIC DATA PROCESSING COM 053015103 7,628 0 0.00 1,231 -2.38 1.3357
2019-07-15 2019-06-30 13F AUTOMATIC DATA PROCESSING COM 053015103 7,628 0 0.00 1,261 3.53 1.3529
2019-04-24 2019-03-31 13F AUTOMATIC DATA PROCESSING COM 053015103 7,628 0 0.00 1,218 21.80 1.2665
2019-02-01 2018-12-31 13F AUTOMATIC DATA PROCESSING COM 053015103 7,628 0 0.00 1,000 -12.97 1.1412
2018-10-23 2018-09-30 13F AUTOMATIC DATA PROCESSING COM 053015103 7,628 0 0.00 1,149 12.32 1.1005
2018-07-30 2018-06-30 13F AUTOMATIC DATA PROCESSING COM 053015103 7,628 0 0.00 1,023 18.13 0.9840
2018-04-27 2018-03-31 13F AUTOMATIC DATA PROCESSING COM 053015103 7,628 0 0.00 866 -3.13 0.8659
2018-02-21 2017-12-31 13F AUTOMATIC DATA PROCESSING COM 053015103 7,628 -2,400 -23.93 894 1.13 0.8049
2016-10-27 2016-09-30 13F AUTOMATIC DATA PROCESSING COM 053015103 10,028 0 0.00 884 -4.02 0.9525
2016-08-05 2016-06-30 13F AUTOMATIC DATA PROCESSING COM 053015103 10,028 0 0.00 921 2.33 1.0155
2016-04-21 2016-03-31 13F AUTOMATIC DATA PROCESSING COM 053015103 10,028 -1,800 -15.22 900 -10.18 0.9909
2016-01-29 2015-12-31 13F AUTOMATIC DATA PROCESSING COM 053015103 11,828 -200 -1.66 1,002 3.62 1.0276
2015-11-12 2015-09-30 13F AUTOMATIC DATA PROCESSING COM 053015103 12,028 0 0.00 967 0.21 1.0240
2015-08-04 2015-06-30 13F AUTOMATIC DATA PROCESSING COM 053015103 12,028 -100 -0.82 965 -7.12 0.9164
2015-04-27 2015-03-31 13F AUTOMATIC DATA PROCESSING COM 053015103 12,128 12,128 0.83 1,039 7.67 0.9229
2015-01-28 2014-12-31 13F AUTOMATIC DATA PROCESSING COM 053015103 0 -11,528 -100.00 0 -100.00
2014-10-16 2014-09-30 13F AUTOMATIC DATA PROCESSING COM 053015103 11,528 0 0.00 958 4.81 0.8833
2014-08-04 2014-06-30 13F AUTOMATIC DATA PROCESSING COM 053015103 11,528 0 0.00 914 2.58 0.8072
2014-05-07 2014-03-31 13F/A-1 AUTOMATIC DATA PROCESSING COM 053015103 11,528 0 0.00 891 -4.30 0.8425
2014-05-02 2014-03-31 13F AUTOMATIC DATA PROCESSING COM 053015103 11,528 931
2014-03-25 2013-12-31 13F AUTOMATIC DATA PROCESSING COM 053015103 11,528 11,528 931 0.9034
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.