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Ken Griffin's Day One Biopharmaceuticals, Inc. (DAWN) position

Not anymore: Ken Griffin fully exited DAWN in Q1 2026. The position peaked at an amount we cannot price in Q1 2022.
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Value at exit
an amount we cannot price
Shares at exit
1.4M
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.

DAWN price vs Griffin's position

Dates
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 Exited −1.4M −100.0% 0 May 15, 2026
Q4 2025 Added +696K +105.0% 1.4M Feb 17, 2026
Q3 2025 Reduced −40K −5.7% 663K Nov 14, 2025
Q2 2025 Reduced −635K −47.5% 704K Aug 14, 2025
Q1 2025 Added +728K +119.0% 1.3M May 15, 2025
Q4 2024 Added +127K +26.2% 611K Feb 14, 2025
Q3 2024 Added +115K +31.0% 484K Nov 14, 2024
Q2 2024 Added +322K +682.0% 370K Aug 14, 2024
Q1 2024 Added +40K +550.4% 47K May 15, 2024
Q4 2023 Added +513 +7.6% 7K Feb 14, 2024
Q3 2023 Reduced −765K −99.1% 7K Nov 14, 2023
Q2 2023 Added +378K +95.9% 772K Aug 14, 2023
Q1 2023 Added +387K +5,635.5% 394K May 15, 2023
Q4 2022 Reduced −41K −85.7% 7K Feb 14, 2023
Q3 2022 Reduced −12K −19.8% 48K Nov 14, 2022
Q2 2022 Reduced −52K −46.5% 60K Aug 15, 2022
Q1 2022 New +112K 112K May 16, 2022
Data through Q1 2026 · filed May 15, 2026
17 grouped rows from 17 quarters

More Griffin positions

Common questions

Does Ken Griffin own DAWN?

Not currently. Ken Griffin fully exited DAWN in Q1 2026, 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 DAWN?

Ken Griffin first disclosed a DAWN 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 DAWN?

Yes. Ken Griffin reduced and then fully exited DAWN by Q1 2026; 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 DAWN does Ken Griffin own?

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

What price did Ken Griffin pay for DAWN?

Ken Griffin began building the DAWN 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.