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Joel Greenblatt's Quantum Computing, Inc. (QUBT) position

Not anymore: Joel Greenblatt fully exited QUBT in Q3 2025. The position peaked at an amount we cannot price in Q1 2025.
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Value at exit
an amount we cannot price
Shares at exit
47K
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.

QUBT price vs Greenblatt's position

Dates
$7.8$8$8.2$8.4← Earlier —2 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
Q3 2025 Exited −47K −100.0% 0 Nov 14, 2025
Q2 2025 Added +7K +18.1% 47K Aug 14, 2025
Q1 2025 New +40K 40K May 15, 2025
Data through Q3 2025 · filed Nov 14, 2025
3 grouped rows from 3 quarters

More Greenblatt positions

Common questions

Does Joel Greenblatt own QUBT?

Not currently. Joel Greenblatt fully exited QUBT in Q3 2025, and the complete history is above. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Joel Greenblatt buy QUBT?

Joel Greenblatt first disclosed a QUBT position in Q1 2025; 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 Joel Greenblatt sell QUBT?

Yes. Joel Greenblatt reduced and then fully exited QUBT by Q3 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 QUBT does Joel Greenblatt own?

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

What price did Joel Greenblatt pay for QUBT?

Joel Greenblatt began building the QUBT 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.