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Ken Griffin's Ocean Power Technologies, Inc. (OPTT) position

Not anymore: Ken Griffin fully exited OPTT in Q4 2025. The position peaked at an amount we cannot price in Q3 2021.
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Value at exit
an amount we cannot price
Shares at exit
119K
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.

OPTT price vs Griffin's position

Dates
$0.14$0.16$0.18$0.2← Earlier —7 purchases, 3 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
Q4 2025 Exited −119K −100.0% 0 Feb 17, 2026
Q3 2025 New +119K 119K Nov 14, 2025
Q1 2024 Reduced −28K −29.8% 66K May 15, 2024
Q4 2023 Added +56K +147.8% 95K Feb 14, 2024
Q3 2023 Reduced −37K −49.2% 38K Nov 14, 2023
Q2 2023 Added +69K +1,085.4% 75K Aug 14, 2023
Q1 2023 Added +5K +651.5% 6K May 15, 2023
Q4 2022 New +843 843 Feb 14, 2023
Q1 2022 Reduced −15K −38.3% 25K May 16, 2022
Q4 2021 Added +8K +25.9% 40K Feb 14, 2022
Q3 2021 New +32K 32K Nov 15, 2021
Data through Q4 2025 · filed Feb 17, 2026
11 grouped rows from 11 quarters

More Griffin positions

Common questions

Does Ken Griffin own OPTT?

Not currently. Ken Griffin fully exited OPTT in Q4 2025, and the complete history is above. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Ken Griffin buy OPTT?

Ken Griffin first disclosed a OPTT position in Q3 2021; 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 OPTT?

Yes. Ken Griffin reduced and then fully exited OPTT by Q4 2025; the reductions are in the table above. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

How many shares of OPTT does Ken Griffin own?

None as of the latest filing: Ken Griffin has exited OPTT. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

What price did Ken Griffin pay for OPTT?

Ken Griffin began building the OPTT 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.