Save your place

Sign in to WhoBought

Please try again later.

Ken Griffin's Ring Energy, Inc. (REI) position

Yes: as of Q1 2026, Ken Griffin holds 738K shares of REI worth an amount we cannot price (0.0% of the disclosed portfolio). Held since at least Q1 2021; that opening coverage snapshot is not counted as a purchase.
View full portfolio →
Current value
an amount we cannot price
Shares held
738K
% of portfolio
0.0%
Quarter-end price
No quarter-end price available

Average buy price is hidden here because at least one covered purchase quarter has no usable local mean price.

REI price vs Griffin's position

Dates
$1.1$1.15$1.2$1.25$1.3$1.35← Earlier —11 purchases, 9 sells
Average closing price · filing quarter
Price range · filing quarter

Every quarterly change

Quarter Action Shares change Est. value change Δ Own Shares held Filing date
Q1 2026 Added +693K +1,530.5% 738K May 15, 2026
Q4 2025 Reduced −339K −88.2% 45K Feb 17, 2026
Q3 2025 Added +79K +25.9% 384K Nov 14, 2025
Q2 2025 Added +221K +262.0% 305K Aug 14, 2025
Q1 2025 Reduced −1.6M −94.9% 84K May 15, 2025
Q4 2024 Added +1.6M +6,494.7% 1.7M Feb 14, 2025
Q3 2024 Reduced −347K −93.3% 25K Nov 14, 2024
Q2 2024 Added +115K +44.8% 372K Aug 14, 2024
Q1 2024 Reduced −292K −53.2% 257K May 15, 2024
Q4 2023 Reduced −218K −28.4% 550K Feb 14, 2024
Q3 2023 Reduced −1.0M −57.0% 767K Nov 14, 2023
Q2 2023 Added +615K +52.5% 1.8M Aug 14, 2023
Q1 2023 Reduced −96K −7.6% 1.2M May 15, 2023
Q4 2022 Added +940K +287.4% 1.3M Feb 14, 2023
Q3 2022 Reduced −209K −39.0% 327K Nov 14, 2022
Q2 2022 Added +195K +57.2% 536K Aug 15, 2022
Q1 2022 Added +222K +186.1% 341K May 16, 2022
Q4 2021 Added +78K +191.1% 119K Feb 14, 2022
Q3 2021 Reduced −147K −78.2% 41K Nov 15, 2021
Q2 2021 Added +72K +61.5% 188K Aug 16, 2021
Q1 2021 First covered 116K May 21, 2021
Data through Q1 2026 · filed May 15, 2026
21 grouped rows from 21 quarters

More Griffin positions

Common questions

Does Ken Griffin own REI?

Yes. As of Q1 2026, Ken Griffin disclosed 738K shares of REI, worth an amount we cannot price. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Ken Griffin buy REI?

Ken Griffin held REI 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 REI?

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

How many shares of REI does Ken Griffin own?

Ken Griffin disclosed 738K shares of REI 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 REI?

Ken Griffin began building the REI 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.