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Ken Griffin's Automatic Data Processing, Inc. (ADP) position

Yes: as of Q1 2026, Ken Griffin holds 383K shares of ADP worth $78M (0.1% of the disclosed portfolio). Held since at least Q1 2021; that opening coverage snapshot is not counted as a purchase.
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Current value
$78M
Shares held
383K
% of portfolio
0.1%
Est. average buy price (i)
$279.69
est. since Q1 2021
Quarter-end price
$205.13

Estimated trade prices

Average price in quarters with purchases
$253.65
Average prices in quarters with sales
  • Q1 2026: $229.53 (713K shares sold)
  • Q2 2025: $307.15 (153K shares sold)
  • Q1 2025: $301.63 (665K shares sold)
  • Q3 2024: $261.50 (258K shares sold)
  • Q2 2024: $245.52 (956K shares sold)
  • Q4 2023: $232.99 (1.2M shares sold)
  • Q4 2022: $245.52 (1.0M shares sold)
  • Q1 2022: $214.11 (34K shares sold)
  • Q2 2021: $194.33 (26K shares sold)

ADP price vs Griffin's position

1Y 3Y 5Y MAX
Dates
$150$200$250$300$35020222023202420252026Sold 26K shares (67.4%) · Q2 2021. Average closing price $194.33 · Price range $185.81–$200.0626KsharessoldAdded 43K shares (342.3%) · Q3 2021. Average closing price $205.98 · Price range $197.05–$216.7243KsharespurchasedAdded 84K shares (153.5%) · Q4 2021. Average closing price $226.41 · Price range $199.97–$248.0184KsharespurchasedSold 34K shares (24.2%) · Q1 2022. Average closing price $214.11 · Price range $196.29–$245.1534KsharessoldAdded 144K shares (136.7%) · Q2 2022. Average closing price $219.14 · Price range $199.94–$238.50144KsharespurchasedAdded 813K shares (325.5%) · Q3 2022. Average closing price $235.93 · Price range $211.07–$260.94813KsharespurchasedSold 1.0M shares (98.3%) · Q4 2022. Average closing price $245.52 · Price range $224.11–$269.901.0MsharessoldAdded 583K shares (over 1,000%) · Q1 2023. Average closing price $225.59 · Price range $213.22–$245.36583KsharespurchasedAdded 118K shares (19.7%) · Q2 2023. Average closing price $215.61 · Price range $208.99–$221.32118KsharespurchasedAdded 587K shares (81.7%) · Q3 2023. Average closing price $243.82 · Price range $218.73–$255.75587KsharespurchasedSold 1.2M shares (88.9%) · Q4 2023. Average closing price $232.99 · Price range $210.37–$250.181.2MsharessoldAdded 1.1M shares (786.6%) · Q1 2024. Average closing price $244.34 · Price range $232.51–$255.871.1MsharespurchasedSold 956K shares (74.1%) · Q2 2024. Average closing price $245.52 · Price range $237.30–$254.02956KsharessoldSold 258K shares (77.1%) · Q3 2024. Average closing price $261.50 · Price range $233.44–$279.41258KsharessoldAdded 1.2M shares (over 1,000%) · Q4 2024. Average closing price $295.52 · Price range $280.08–$307.971.2MsharespurchasedSold 665K shares (52.4%) · Q1 2025. Average closing price $301.63 · Price range $286.85–$318.64665KsharessoldSold 153K shares (25.3%) · Q2 2025. Average closing price $307.15 · Price range $276.76–$326.81153KsharessoldAdded 83K shares (18.3%) · Q3 2025. Average closing price $300.97 · Price range $288.69–$310.9483KsharespurchasedAdded 562K shares (105.2%) · Q4 2025. Average closing price $266.38 · Price range $249.06–$292.94562KsharespurchasedSold 713K shares (65.1%) · Q1 2026. Average closing price $229.53 · Price range $199.85–$266.02713Ksharessold
Average closing price · filing quarter
$229.53
Price range · filing quarter
$199.85 – $266.02
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Every quarterly change

Quarter Action Shares change Est. value change Δ Own Shares held Filing date
Q1 2026 Reduced −713K −$164M −65.1% 383K May 15, 2026
Q4 2025 Added +562K +$150M +105.2% 1.1M Feb 17, 2026
Q3 2025 Added +83K +$25M +18.3% 534K Nov 14, 2025
Q2 2025 Reduced −153K −$47M −25.3% 451K Aug 14, 2025
Q1 2025 Reduced −665K −$201M −52.4% 604K May 15, 2025
Q4 2024 Added +1.2M +$352M +1,556.8% 1.3M Feb 14, 2025
Q3 2024 Reduced −258K −$67M −77.1% 77K Nov 14, 2024
Q2 2024 Reduced −956K −$235M −74.1% 335K Aug 14, 2024
Q1 2024 Added +1.1M +$280M +786.6% 1.3M May 15, 2024
Q4 2023 Reduced −1.2M −$271M −88.9% 146K Feb 14, 2024
Q3 2023 Added +587K +$143M +81.7% 1.3M Nov 14, 2023
Q2 2023 Added +118K +$26M +19.7% 719K Aug 14, 2023
Q1 2023 Added +583K +$132M +3,284.3% 601K May 15, 2023
Q4 2022 Reduced −1.0M −$257M −98.3% 18K Feb 14, 2023
Q3 2022 Added +813K +$192M +325.5% 1.1M Nov 14, 2022
Q2 2022 Added +144K +$32M +136.7% 250K Aug 15, 2022
Q1 2022 Reduced −34K −$7.2M −24.2% 106K May 16, 2022
Q4 2021 Added +84K +$19M +153.5% 139K Feb 14, 2022
Q3 2021 Added +43K +$8.8M +342.3% 55K Nov 15, 2021
Q2 2021 Reduced −26K −$5.0M −67.4% 12K Aug 16, 2021
Q1 2021 First covered – – – 38K May 21, 2021
Data through Q1 2026 · filed May 15, 2026
21 grouped rows from 21 quarters

Who else owns ADP

Wellington Management Group LLP
owns 2.5% of shares outstanding
Est. $2.1B · Shares: 10.1M

Capital Research Global Investors
owns 2.1% of shares outstanding
Est. $1.8B · Shares: 8.6M

Wells Fargo & Company
owns 1.7% of shares outstanding
Est. $1.4B · Shares: 6.9M

Morgan Stanley
owns 1.6% of shares outstanding
Est. $1.3B · Shares: 6.4M

See all owners of ADP →

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Common questions

Does Ken Griffin own ADP?

Yes. As of Q1 2026, Ken Griffin disclosed 383K shares of ADP, worth $78M. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Ken Griffin buy ADP?

Ken Griffin held ADP since at least Q1 2021, when this filing coverage begins; the opening snapshot is not a disclosed purchase. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

Did Ken Griffin sell ADP?

The quarter-by-quarter table above shows each sale and reduction Ken Griffin disclosed in ADP. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

How many shares of ADP does Ken Griffin own?

Ken Griffin disclosed 383K shares of ADP as of Q1 2026. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

What price did Ken Griffin pay for ADP?

Ken Griffin began building the ADP position before our 13F history starts, so an exact average buy price cannot be estimated without understating it. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

How are the estimated trade prices calculated?

13F filings disclose quarter-end holdings, not trade dates or execution prices. These estimates use each covered quarter's average market price; the add average excludes the opening position and quarters without price data. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.