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Joel Greenblatt's Supernus Pharmaceuticals, Inc. (SUPN) position

Not anymore: Joel Greenblatt fully exited SUPN in Q3 2025. 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
18K
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.

SUPN price vs Greenblatt's position

Dates
$47$47.5$48$48.5← Earlier —7 purchases, 3 sells
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 −18K −100.0% 0 Nov 14, 2025
Q2 2025 Reduced −13K −42.6% 18K Aug 14, 2025
Q1 2025 Reduced −9K −21.8% 31K May 15, 2025
Q4 2024 Added +1K +3.8% 39K Feb 14, 2025
Q3 2024 Added +27K +242.0% 38K Nov 14, 2024
Q2 2024 Added +4K +57.8% 11K Aug 14, 2024
Q1 2024 New +7K 7K May 15, 2024
Q2 2023 New +9K 9K Aug 14, 2023
Q1 2022 Reduced −1K −9.0% 10K May 16, 2022
Q4 2021 Added +1K +10.8% 11K Feb 14, 2022
Q3 2021 New +10K 10K Nov 15, 2021
Data through Q3 2025 · filed Nov 14, 2025
11 grouped rows from 11 quarters

More Greenblatt positions

Common questions

Does Joel Greenblatt own SUPN?

Not currently. Joel Greenblatt fully exited SUPN 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 SUPN?

Joel Greenblatt first disclosed a SUPN 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 Joel Greenblatt sell SUPN?

Yes. Joel Greenblatt reduced and then fully exited SUPN 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 SUPN does Joel Greenblatt own?

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

What price did Joel Greenblatt pay for SUPN?

Joel Greenblatt began building the SUPN 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.