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Ken Griffin's Vivani Medical, Inc. (VANI) position

Not anymore: Ken Griffin fully exited VANI in Q1 2026. The position peaked at an amount we cannot price in Q4 2022.
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Value at exit
an amount we cannot price
Shares at exit
40K
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.

VANI price vs Griffin's position

Dates
$1.3$1.35$1.4$1.45← Earlier —6 purchases
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 −40K −100.0% 0 May 15, 2026
Q4 2025 Added +22K +120.0% 40K Feb 17, 2026
Q3 2025 New +18K 18K Nov 14, 2025
Q4 2024 Added +11K +136,425.0% 11K Feb 14, 2025
Q3 2024 New +8 8 Nov 14, 2024
Q4 2023 New +11K 11K Feb 14, 2024
Q4 2022 New +80 80 Feb 14, 2023
Data through Q1 2026 · filed May 15, 2026
7 grouped rows from 7 quarters

More Griffin positions

Common questions

Does Ken Griffin own VANI?

Not currently. Ken Griffin fully exited VANI 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 VANI?

Ken Griffin first disclosed a VANI position in Q4 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 VANI?

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

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

What price did Ken Griffin pay for VANI?

Ken Griffin began building the VANI 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.