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Ken Griffin's Hepion Pharmaceuticals, Inc. (HEPA) position

Not anymore: Ken Griffin fully exited HEPA in Q2 2025. The position peaked at an amount we cannot price in Q1 2021.
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Value at exit
an amount we cannot price
Shares at exit
16K
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.

HEPA price vs Griffin's position

Dates
$0.045$0.05$0.055$0.06$0.065← Earlier —5 purchases, 4 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
Q2 2025 Exited −16K −100.0% 0 Aug 14, 2025
Q1 2025 New +16K 16K May 15, 2025
Q3 2024 New +29K 29K Nov 14, 2024
Q1 2023 Reduced −3K −61.5% 2K May 15, 2023
Q4 2022 Reduced −17K −80.1% 4K Feb 14, 2023
Q3 2022 New +22K 22K Nov 14, 2022
Q1 2022 Reduced −24K −65.5% 12K May 16, 2022
Q4 2021 Added +10K +36.4% 36K Feb 14, 2022
Q3 2021 Reduced −31K −54.0% 26K Nov 15, 2021
Q2 2021 Added +30K +110.9% 58K Aug 16, 2021
Q1 2021 First covered 27K May 21, 2021
Data through Q2 2025 · filed Aug 14, 2025
11 grouped rows from 11 quarters

More Griffin positions

Common questions

Does Ken Griffin own HEPA?

Not currently. Ken Griffin fully exited HEPA in Q2 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 HEPA?

Ken Griffin held HEPA 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 HEPA?

Yes. Ken Griffin reduced and then fully exited HEPA by Q2 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 HEPA does Ken Griffin own?

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

What price did Ken Griffin pay for HEPA?

Ken Griffin began building the HEPA 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.