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Ken Griffin's CECO Environmental Corp. (CECO) position

Yes: as of Q1 2026, Ken Griffin holds 217K shares of CECO worth $13M (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
$13M
Shares held
217K
% of portfolio
0.0%
Est. average buy price (i)
$55.88
Quarter-end price
$59.58

Estimated trade prices

Average price in quarters with purchases
$26.49
Average prices in quarters with sales
  • Q4 2025: $53.51 (278K shares sold)
  • Q1 2025: $26.66 (22K shares sold)
  • Q2 2024: $24.22 (60K shares sold)
  • Q1 2024: $20.61 (13K shares sold)
  • Q4 2023: $18.23 (78K shares sold)
  • Q3 2023: $13.69 (146K shares sold)
  • Q2 2023: $12.43 (327K shares sold)
  • Q2 2021: $7.74 (3K shares sold)

CECO price vs Griffin's position

1Y 3Y 5Y MAX
Dates
$4$50$10020222023202420252026New position of 11K shares · Q4 2021. Average closing price $6.63 · Price range $5.89–$7.5111KsharespurchasedNew position of 85K shares · Q2 2022. Average closing price $5.54 · Price range $4.25–$6.7785KsharespurchasedAdded 68K shares (80.0%) · Q3 2022. Average closing price $8.57 · Price range $5.85–$10.6268KsharespurchasedAdded 35K shares (23.0%) · Q4 2022. Average closing price $11.32 · Price range $9.40–$12.5035KsharespurchasedAdded 435K shares (232.0%) · Q1 2023. Average closing price $14.14 · Price range $11.34–$15.63435KsharespurchasedSold 327K shares (52.5%) · Q2 2023. Average closing price $12.43 · Price range $10.76–$13.66327KsharessoldSold 146K shares (49.3%) · Q3 2023. Average closing price $13.69 · Price range $11.59–$16.53146KsharessoldSold 78K shares (51.8%) · Q4 2023. Average closing price $18.23 · Price range $15.47–$21.1278KsharessoldSold 13K shares (17.7%) · Q1 2024. Average closing price $20.61 · Price range $18.73–$23.2113KsharessoldSold 60K shares (100.0%) · Q2 2024. Average closing price $24.22 · Price range $21.62–$28.8560KsharessoldNew position of 33K shares · Q4 2024. Average closing price $28.45 · Price range $22.56–$34.5133KsharespurchasedSold 22K shares (67.5%) · Q1 2025. Average closing price $26.66 · Price range $22.65–$32.8222KsharessoldAdded 114K shares (over 1,000%) · Q2 2025. Average closing price $24.89 · Price range $17.97–$30.06114KsharespurchasedAdded 218K shares (174.5%) · Q3 2025. Average closing price $42.33 · Price range $28.75–$51.20218KsharespurchasedSold 278K shares (81.1%) · Q4 2025. Average closing price $53.51 · Price range $47.44–$62.51278KsharessoldAdded 152K shares (234.1%) · Q1 2026. Average closing price $64.33 · Price range $51.38–$79.14152Ksharespurchased← Earlier —1 sell
Average closing price · filing quarter
$64.33
Price range · filing quarter
$51.38 – $79.14
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Every quarterly change

Quarter Action Shares change Est. value change Δ Own Shares held Filing date
Q1 2026 Added +152K +$9.8M +234.1% 217K May 15, 2026
Q4 2025 Reduced −278K −$15M −81.1% 65K Feb 17, 2026
Q3 2025 Added +218K +$9.2M +174.5% 344K Nov 14, 2025
Q2 2025 Added +114K +$2.8M +1,063.3% 125K Aug 14, 2025
Q1 2025 Reduced −22K −$595K −67.5% 11K May 15, 2025
Q4 2024 New +33K +$941K – 33K Feb 14, 2025
Q2 2024 Reduced −60K −$1.4M −100.0% 2 Aug 14, 2024
Q1 2024 Reduced −13K −$264K −17.7% 60K May 15, 2024
Q4 2023 Reduced −78K −$1.4M −51.8% 72K Feb 14, 2024
Q3 2023 Reduced −146K −$2.0M −49.3% 150K Nov 14, 2023
Q2 2023 Reduced −327K −$4.1M −52.5% 296K Aug 14, 2023
Q1 2023 Added +435K +$6.2M +232.0% 622K May 15, 2023
Q4 2022 Added +35K +$397K +23.0% 187K Feb 14, 2023
Q3 2022 Added +68K +$580K +80.0% 152K Nov 14, 2022
Q2 2022 New +85K +$469K – 85K Aug 15, 2022
Q4 2021 New +11K +$72K – 11K Feb 14, 2022
Q2 2021 Reduced −3K −$25K −5.6% 54K Aug 16, 2021
Q1 2021 First covered – – – 57K May 21, 2021
Data through Q1 2026 · filed May 15, 2026
18 grouped rows from 18 quarters

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Common questions

Does Ken Griffin own CECO?

Yes. As of Q1 2026, Ken Griffin disclosed 217K shares of CECO, worth $13M. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Ken Griffin buy CECO?

Ken Griffin held CECO 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 CECO?

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

How many shares of CECO does Ken Griffin own?

Ken Griffin disclosed 217K shares of CECO 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 CECO?

Ken Griffin's estimated average buy price for CECO is $55.88, from quarter-average prices weighted by the shares added each quarter. 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.