Main Street Research LLC Automatic Data Processing Inc Transaction History

Main Street Research LLC

$1.77 Billion
Q3 2025

A detailed history of Main Street Research LLC transactions in Automatic Data Processing Inc stock. As of the latest transaction made, Main Street Research LLC holds 2,478 shares of ADP stock, worth $621,730. This represents 0.04% of its overall portfolio holdings.

Number of Shares

2,478

Previous 2,478 -0.0%

Holding current value

$621,730

Previous $764,000 4.84%

% of portfolio

0.04%

Previous 0.05%

25 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q2 2025 Aug 05, 2025	SELL	$276.76 - $326.81 $63,654 - $75,166	-230 Reduced 8.49%	2,478 $764,000
Q1 2025 Apr 30, 2025	SELL	$286.85 - $318.64 $206,245 - $229,102	-719 Reduced 20.98%	2,708 $827,000
Q4 2024 Feb 07, 2025	BUY	$280.08 - $307.97 $71,420 - $78,532	255 Added 8.04%	3,427 $1 Million
Q2 2024 Jul 29, 2024	SELL	$237.3 - $254.02 $23,730 - $25,402	-100 Reduced 3.06%	3,172 $757,000
Q1 2024 May 01, 2024	SELL	$232.51 - $255.87 $28,831 - $31,727	-124 Reduced 3.65%	3,272 $817,000

Q4 2023 Jan 30, 2024	SELL	$210.37 - $250.18 $38,708 - $46,033	-184 Reduced 5.14%	3,396 $791,000
Q3 2023 Nov 03, 2023	SELL	$218.73 - $255.75 $46,370 - $54,219	-212 Reduced 5.59%	3,580 $861,000
Q2 2023 Aug 08, 2023	BUY	$208.99 - $221.32 $53,710 - $56,879	257 Added 7.27%	3,792 $833,000
Q1 2023 May 01, 2023	BUY	$213.22 - $245.36 $42,644 - $49,072	200 Added 6.0%	3,535 $786,000
Q2 2022 Aug 12, 2022	SELL	$199.94 - $238.5 $9,997 - $11,925	-50 Reduced 1.48%	3,335 $700,000
Q4 2021 Feb 09, 2022	BUY	$199.97 - $248.01 $4,999 - $6,200	25 Added 0.74%	3,385 $835,000
Q3 2021 Nov 12, 2021	SELL	$197.05 - $216.72 $21,675 - $23,839	-110 Reduced 3.17%	3,360 $672,000
Q2 2021 Aug 06, 2021	BUY	$185.81 - $200.06 $20,439 - $22,006	110 Added 3.27%	3,470 $689,000
Q1 2021 May 07, 2021	SELL	$161.03 - $192.69 $29,629 - $35,454	-184 Reduced 5.19%	3,360 $633,000
Q4 2020 Feb 12, 2021	SELL	$137.7 - $179.24 $6,334 - $8,245	-46 Reduced 1.28%	3,544 $624,000
Q3 2020 Nov 10, 2020	SELL	$128.72 - $150.73 $22,011 - $25,774	-171 Reduced 4.55%	3,590 $501,000
Q1 2020 May 01, 2020	SELL	$109.07 - $181.25 $5,998 - $9,968	-55 Reduced 1.44%	3,761 $514,000
Q3 2019 Oct 21, 2019	SELL	$157.77 - $173.27 $3,786 - $4,158	-24 Reduced 0.63%	3,816 $616,000
Q1 2019 May 13, 2019	SELL	$126.21 - $159.74 $29,406 - $37,219	-233 Reduced 5.72%	3,840 $613,000
Q4 2018 Feb 13, 2019	SELL	$121.95 - $151.77 $317,070 - $394,602	-2,600 Reduced 38.96%	4,073 $534,000
Q3 2018 Nov 05, 2018	BUY	$132.61 - $150.68 $33,152 - $37,670	250 Added 3.89%	6,673 $1.01 Million
Q2 2018 Jul 25, 2018	BUY	$113.3 - $140.34 $107,635 - $133,323	950 Added 17.36%	6,423 $862,000
Q1 2018 May 08, 2018	SELL	$108.25 - $123.63 $38,645 - $44,135	-357 Reduced 6.12%	5,473 $621,000
Q4 2017 Feb 05, 2018	SELL	$109.32 - $118.64 $24,269 - $26,338	-222 Reduced 3.67%	5,830 $683,000
Q3 2017 Oct 16, 2017	BUY	$102.89 - $118.91 $622,690 - $719,643	6,052	6,052 $662,000

Others Institutions Holding ADP

# of Institutions

2,737

Shares Held

331M

Call Options Held

1.55M

Put Options Held

1.42M

View Full List

About AUTOMATIC DATA PROCESSING INC

Ticker ADP
Exchange NASDAQ
Sector Industrials
Industry Staffing & Employment Services
Shares Outstandng 415,200,000
Market Cap $104B
Description
Automatic Data Processing, Inc. provides cloud-based human capital management solutions worldwide. It operates in two segments, Employer Services and Professional Employer Organization (PEO). The Employer Services segment offers strategic, cloud-based platforms, and human resources (HR) outsourcing solutions. Its offerings include payroll, benef...

More about ADP

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Main Street Research LLC Automatic Data Processing Inc Transaction History