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Ken Griffin's Medallion Financial Corp. (MFIN) position

Not anymore: Ken Griffin fully exited MFIN in Q2 2025. 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
2K
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.

MFIN price vs Griffin's position

1Y 3Y 5Y MAX
Dates
$9.4$9.6$9.8$10← Earlier —8 purchases, 3 sells
Average closing price · filing quarter
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Price range · filing quarter
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Every quarterly change

Quarter Action Shares change Est. value change Δ Own Shares held Filing date
Q2 2025 Exited −2K – −100.0% 0 Aug 14, 2025
Q1 2025 New +2K – – 2K May 15, 2025
Q3 2024 Reduced −43K – −94.3% 3K Nov 14, 2024
Q2 2024 Added +16K – +53.3% 46K Aug 14, 2024
Q1 2024 Added +11K – +58.7% 30K May 15, 2024
Q4 2023 Reduced −27K – −58.6% 19K Feb 14, 2024
Q3 2023 Added +2K – +4.9% 46K Nov 14, 2023
Q2 2023 Added +37K – +604.3% 43K Aug 14, 2023
Q1 2023 New +6K – – 6K May 15, 2023
Q3 2022 Reduced −37K – −62.4% 22K Nov 14, 2022
Q2 2022 Added +36K – +159.2% 58K Aug 15, 2022
Q1 2022 New +23K – – 23K May 16, 2022
Data through Q2 2025 · filed Aug 14, 2025
12 grouped rows from 12 quarters

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Common questions

Does Ken Griffin own MFIN?

Not currently. Ken Griffin fully exited MFIN 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 MFIN?

Ken Griffin first disclosed a MFIN 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 MFIN?

Yes. Ken Griffin reduced and then fully exited MFIN 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 MFIN does Ken Griffin own?

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

What price did Ken Griffin pay for MFIN?

Ken Griffin began building the MFIN 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.