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Ken Griffin's Greenidge Generation Holdings Inc. (GREE) position

Not anymore: Ken Griffin fully exited GREE in Q1 2023. The position peaked at an amount we cannot price in Q3 2021.
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Value at exit
an amount we cannot price
Shares at exit
36K
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.

GREE price vs Griffin's position

Dates
$1.5$2$2.5$3← Earlier —4 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 2023 Exited −36K −100.0% 0 May 15, 2023
Q4 2022 New +36K 36K Feb 14, 2023
Q2 2022 Added +6K +13.2% 53K Aug 15, 2022
Q1 2022 New +47K 47K May 16, 2022
Q3 2021 New +57K 57K Nov 15, 2021
Data through Q1 2023 · filed May 15, 2023
5 grouped rows from 5 quarters

More Griffin positions

Common questions

Does Ken Griffin own GREE?

Not currently. Ken Griffin fully exited GREE in Q1 2023, 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 GREE?

Ken Griffin first disclosed a GREE position in Q3 2021; 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 GREE?

Yes. Ken Griffin reduced and then fully exited GREE by Q1 2023; 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 GREE does Ken Griffin own?

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

What price did Ken Griffin pay for GREE?

Ken Griffin began building the GREE 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.