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Ken Griffin's Constellation Energy Corporation (CEG) position

Yes: as of Q1 2026, Ken Griffin holds 409K shares of CEG worth $114M (0.1% of the disclosed portfolio). Last quarter the position was increased by 46.7%. First disclosed Q1 2022.
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Current value
$114M
Shares held
409K
% of portfolio
0.1%
Est. average buy price (i)
$316.54
Quarter-end price
$279.25

Estimated trade prices

Average price in quarters with purchases
$109.35
Average prices in quarters with sales
  • Q2 2025: $264.62 (300K shares sold)
  • Q3 2024: $198.70 (84K shares sold)
  • Q1 2024: $142.00 (81K shares sold)
  • Q2 2023: $82.90 (1.3M shares sold)
  • Q4 2022: $89.96 (444K shares sold)
  • Q3 2022: $73.71 (154K shares sold)
  • Q2 2022: $60.14 (594K shares sold)

CEG price vs Griffin's position

1Y 3Y 5Y MAX
Dates
$40$200$4002023202420252026New position of 1.3M shares · Q1 2022. Average closing price $48.78 · Price range $41.90–$57.501.3MsharespurchasedSold 594K shares (44.9%) · Q2 2022. Average closing price $60.14 · Price range $53.47–$66.71594KsharessoldSold 154K shares (21.1%) · Q3 2022. Average closing price $73.71 · Price range $54.00–$89.36154KsharessoldSold 444K shares (77.3%) · Q4 2022. Average closing price $89.96 · Price range $81.26–$97.16444KsharessoldAdded 1.2M shares (940.4%) · Q1 2023. Average closing price $80.88 · Price range $73.40–$86.811.2MsharespurchasedSold 1.3M shares (96.5%) · Q2 2023. Average closing price $82.90 · Price range $74.48–$94.251.3MsharessoldAdded 14K shares (28.8%) · Q3 2023. Average closing price $103.07 · Price range $91.00–$112.4614KsharespurchasedAdded 164K shares (266.3%) · Q4 2023. Average closing price $116.72 · Price range $104.73–$126.52164KsharespurchasedSold 81K shares (36.1%) · Q1 2024. Average closing price $142.00 · Price range $111.41–$187.2681KsharessoldAdded 196K shares (136.2%) · Q2 2024. Average closing price $203.99 · Price range $180.90–$231.27196KsharespurchasedSold 84K shares (24.8%) · Q3 2024. Average closing price $198.70 · Price range $167.08–$262.8684KsharessoldAdded 42K shares (16.6%) · Q4 2024. Average closing price $249.35 · Price range $223.71–$285.5242KsharespurchasedAdded 58K shares (19.6%) · Q1 2025. Average closing price $268.03 · Price range $201.63–$347.4458KsharespurchasedSold 300K shares (84.1%) · Q2 2025. Average closing price $264.62 · Price range $170.96–$322.76300KsharessoldAdded 41K shares (72.6%) · Q3 2025. Average closing price $322.46 · Price range $298.82–$354.8941KsharespurchasedAdded 181K shares (184.8%) · Q4 2025. Average closing price $363.63 · Price range $335.74–$402.69181KsharespurchasedAdded 130K shares (46.7%) · Q1 2026. Average closing price $304.12 · Price range $245.20–$358.21130Ksharespurchased
Average closing price · filing quarter
$304.12
Price range · filing quarter
$245.20 – $358.21
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Every quarterly change

Quarter Action Shares change Est. value change Δ Own Shares held Filing date
Q1 2026 Added +130K +$40M +46.7% 409K May 15, 2026
Q4 2025 Added +181K +$66M +184.8% 279K Feb 17, 2026
Q3 2025 Added +41K +$13M +72.6% 98K Nov 14, 2025
Q2 2025 Reduced −300K −$79M −84.1% 57K Aug 14, 2025
Q1 2025 Added +58K +$16M +19.6% 356K May 15, 2025
Q4 2024 Added +42K +$11M +16.6% 298K Feb 14, 2025
Q3 2024 Reduced −84K −$17M −24.8% 256K Nov 14, 2024
Q2 2024 Added +196K +$40M +136.2% 340K Aug 14, 2024
Q1 2024 Reduced −81K −$12M −36.1% 144K May 15, 2024
Q4 2023 Added +164K +$19M +266.3% 225K Feb 14, 2024
Q3 2023 Added +14K +$1.4M +28.8% 61K Nov 14, 2023
Q2 2023 Reduced −1.3M −$108M −96.5% 48K Aug 14, 2023
Q1 2023 Added +1.2M +$99M +940.4% 1.4M May 15, 2023
Q4 2022 Reduced −444K −$40M −77.3% 130K Feb 14, 2023
Q3 2022 Reduced −154K −$11M −21.1% 575K Nov 14, 2022
Q2 2022 Reduced −594K −$36M −44.9% 728K Aug 15, 2022
Q1 2022 New +1.3M +$64M – 1.3M May 16, 2022
Data through Q1 2026 · filed May 15, 2026
17 grouped rows from 17 quarters

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Common questions

Does Ken Griffin own CEG?

Yes. As of Q1 2026, Ken Griffin disclosed 409K shares of CEG, worth $114M. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Ken Griffin buy CEG?

Ken Griffin first disclosed a CEG position in Q1 2022; every quarterly buy and sell since is in the table above. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

Did Ken Griffin sell CEG?

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

How many shares of CEG does Ken Griffin own?

Ken Griffin disclosed 409K shares of CEG 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 CEG?

Ken Griffin's estimated average buy price for CEG is $316.54, 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.