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Mattern Capital Management, LLC

SEC CIK
0001803227
Latest filing
Jul 24, 2026

ADP holding history

Automatic Data Processing Inc in every 13F filed by Mattern Capital Management, LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

ADP overviewAll 13F holders of ADPFull Q2 2026 holdings

Shares (Q2 2026)
50,215
Value
$11.2M
% of portfolio
1.3%
Quarters held
22
Since Q1 2021
Holdings of ADP by Mattern Capital Management, LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 202650,215$11.2M1.3%+830+1.7%AddedHolders
Q1 202649,385$10.0M1.2%+12,897+35.3%AddedHolders
Q4 202536,488$9.39M1.1%+2,432+7.1%AddedHolders
Q3 202534,056$10.0M1.2%−269−0.8%ReducedHolders
Q2 202534,325$10.6M1.3%+108+0.3%AddedHolders
Q1 202534,217$10.5M1.3%−637−1.8%ReducedHolders
Q4 202434,854$10.2M1.3%−498−1.4%ReducedHolders
Q3 202435,352$9.78M1.2%−146−0.4%ReducedHolders
Q2 202435,498$8.47M1.2%−142−0.4%ReducedHolders
Q1 202435,640$8.90M1.2%+938+2.7%AddedHolders
Q4 202334,702$8.08M1.2%+1,148+3.4%AddedHolders
Q3 202333,554$8.07M1.3%+1,482+4.6%AddedHolders
Q2 202332,072$7.05M1.1%+1,971+6.5%AddedHolders
Q1 202330,101$6.70M1.2%+1,082+3.7%AddedHolders
Q4 202229,019$6.93M1.3%−1,271−4.2%ReducedHolders
Q3 202230,290$6.85M1.4%−1,191−3.8%ReducedHolders
Q2 202231,481$6.61M1.3%−1,140−3.5%ReducedHolders
Q1 202232,621$7.42M1.3%+317+1.0%AddedHolders
Q4 202132,304$7.97M1.4%−666−2.0%ReducedHolders
Q3 202132,970$6.59M1.3%+19+0.1%AddedHolders
Q2 202132,951$6.54M1.3%+417+1.3%AddedHolders
Q1 202132,534$6.13M1.3%––Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.