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Ken Griffin's Donaldson Company, Inc. (DCI) position

Yes: as of Q1 2026, Ken Griffin holds 197K shares of DCI worth $17M (0.0% 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
$17M
Shares held
197K
% of portfolio
0.0%
Est. average buy price (i)
$86.68
est. since Q1 2021
Quarter-end price
$84.87

Estimated trade prices

Average price in quarters with purchases
$66.90
Average prices in quarters with sales
  • Q4 2025: $86.85 (70K shares sold)
  • Q2 2025: $67.26 (183K shares sold)
  • Q3 2024: $72.30 (112K shares sold)
  • Q2 2024: $73.39 (175K shares sold)
  • Q3 2023: $61.89 (11K shares sold)
  • Q2 2023: $62.56 (298K shares sold)
  • Q3 2022: $52.20 (87K shares sold)
  • Q1 2022: $54.43 (85K shares sold)
  • Q3 2021: $64.48 (7K shares sold)
  • Q2 2021: $61.80 (42K shares sold)

DCI price vs Griffin's position

1Y 3Y 5Y MAX
Dates
$40$100$15020222023202420252026Sold 7K shares (13.1%) · Q3 2021. Average closing price $64.48 · Price range $57.41–$69.097KsharessoldAdded 108K shares (222.7%) · Q4 2021. Average closing price $59.20 · Price range $55.35–$62.38108KsharespurchasedSold 85K shares (54.2%) · Q1 2022. Average closing price $54.43 · Price range $48.85–$59.9885KsharessoldAdded 114K shares (158.8%) · Q2 2022. Average closing price $50.37 · Price range $46.27–$53.63114KsharespurchasedSold 87K shares (47.2%) · Q3 2022. Average closing price $52.20 · Price range $47.61–$57.0287KsharessoldAdded 40K shares (40.8%) · Q4 2022. Average closing price $57.27 · Price range $50.20–$61.1840KsharespurchasedAdded 255K shares (185.4%) · Q1 2023. Average closing price $62.84 · Price range $58.46–$66.89255KsharespurchasedSold 298K shares (75.7%) · Q2 2023. Average closing price $62.56 · Price range $58.41–$65.26298KsharessoldSold 11K shares (11.3%) · Q3 2023. Average closing price $61.89 · Price range $59.00–$64.8511KsharessoldAdded 136K shares (160.4%) · Q4 2023. Average closing price $60.93 · Price range $57.30–$65.90136KsharespurchasedAdded 217K shares (98.7%) · Q1 2024. Average closing price $68.03 · Price range $62.42–$74.92217KsharespurchasedSold 175K shares (39.9%) · Q2 2024. Average closing price $73.39 · Price range $71.09–$75.56175KsharessoldSold 112K shares (42.5%) · Q3 2024. Average closing price $72.30 · Price range $69.34–$74.86112KsharessoldAdded 31K shares (20.8%) · Q4 2024. Average closing price $73.75 · Price range $67.28–$78.2731KsharespurchasedAdded 21K shares (11.5%) · Q1 2025. Average closing price $69.18 · Price range $66.51–$72.2821KsharespurchasedSold 183K shares (89.9%) · Q2 2025. Average closing price $67.26 · Price range $59.18–$71.02183KsharessoldAdded 137K shares (664.0%) · Q3 2025. Average closing price $75.40 · Price range $69.82–$82.14137KsharespurchasedSold 70K shares (44.6%) · Q4 2025. Average closing price $86.85 · Price range $79.88–$94.1670KsharessoldAdded 110K shares (126.1%) · Q1 2026. Average closing price $96.57 · Price range $82.61–$110.57110Ksharespurchased← Earlier —1 sell
Average closing price · filing quarter
$96.57
Price range · filing quarter
$82.61 – $110.57
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Every quarterly change

Quarter Action Shares change Est. value change Δ Own Shares held Filing date
Q1 2026 Added +110K +$11M +126.1% 197K May 15, 2026
Q4 2025 Reduced −70K −$6.1M −44.6% 87K Feb 17, 2026
Q3 2025 Added +137K +$10M +664.0% 157K Nov 14, 2025
Q2 2025 Reduced −183K −$12M −89.9% 21K Aug 14, 2025
Q1 2025 Added +21K +$1.4M +11.5% 204K May 15, 2025
Q4 2024 Added +31K +$2.3M +20.8% 183K Feb 14, 2025
Q3 2024 Reduced −112K −$8.1M −42.5% 151K Nov 14, 2024
Q2 2024 Reduced −175K −$13M −39.9% 263K Aug 14, 2024
Q1 2024 Added +217K +$15M +98.7% 438K May 15, 2024
Q4 2023 Added +136K +$8.3M +160.4% 220K Feb 14, 2024
Q3 2023 Reduced −11K −$666K −11.3% 85K Nov 14, 2023
Q2 2023 Reduced −298K −$19M −75.7% 95K Aug 14, 2023
Q1 2023 Added +255K +$16M +185.4% 393K May 15, 2023
Q4 2022 Added +40K +$2.3M +40.8% 138K Feb 14, 2023
Q3 2022 Reduced −87K −$4.6M −47.2% 98K Nov 14, 2022
Q2 2022 Added +114K +$5.7M +158.8% 185K Aug 15, 2022
Q1 2022 Reduced −85K −$4.6M −54.2% 72K May 16, 2022
Q4 2021 Added +108K +$6.4M +222.7% 156K Feb 14, 2022
Q3 2021 Reduced −7K −$470K −13.1% 48K Nov 15, 2021
Q2 2021 Reduced −42K −$2.6M −42.9% 56K Aug 16, 2021
Q1 2021 First covered – – – 98K May 21, 2021
Data through Q1 2026 · filed May 15, 2026
21 grouped rows from 21 quarters

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Common questions

Does Ken Griffin own DCI?

Yes. As of Q1 2026, Ken Griffin disclosed 197K shares of DCI, worth $17M. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Ken Griffin buy DCI?

Ken Griffin held DCI 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 DCI?

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

How many shares of DCI does Ken Griffin own?

Ken Griffin disclosed 197K shares of DCI 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 DCI?

Ken Griffin began building the DCI 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.