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Ken Griffin's BioSig Technologies, Inc. (BSGM) position

Not anymore: Ken Griffin fully exited BSGM in Q1 2024. 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
77K
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.

BSGM 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 2024 Exited −77K −100.0% 0 May 15, 2024
Q4 2023 New +77K 77K Feb 14, 2024
Q2 2023 New +26K 26K Aug 14, 2023
Q3 2022 New +22K 22K Nov 14, 2022
Q1 2022 Added +45K +42.5% 149K May 16, 2022
Q4 2021 Added +63K +150.1% 105K Feb 14, 2022
Q3 2021 New +42K 42K Nov 15, 2021
Q1 2021 First covered 12K May 21, 2021
Data through Q1 2024 · filed May 15, 2024
8 grouped rows from 8 quarters

More Griffin positions

Common questions

Does Ken Griffin own BSGM?

Not currently. Ken Griffin fully exited BSGM in Q1 2024, 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 BSGM?

Ken Griffin held BSGM 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 BSGM?

Yes. Ken Griffin reduced and then fully exited BSGM by Q1 2024; 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 BSGM does Ken Griffin own?

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

What price did Ken Griffin pay for BSGM?

Ken Griffin began building the BSGM 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.