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Joel Greenblatt's Neurocrine Biosciences, Inc. (NBIX) position

Yes: as of Q1 2026, Joel Greenblatt holds 360K shares of NBIX worth an amount we cannot price (0.1% of the disclosed portfolio). Last quarter the position was increased by 113.6%. First disclosed Q4 2021.
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Current value
an amount we cannot price
Shares held
360K
% of portfolio
0.1%
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.

NBIX price vs Greenblatt's position

Dates
$170$175$180← Earlier —11 purchases, 7 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
Q1 2026 Added +192K +113.6% 360K May 15, 2026
Q4 2025 Added +32K +23.6% 169K Feb 17, 2026
Q3 2025 Added +45K +49.6% 136K Nov 14, 2025
Q2 2025 Added +60K +193.7% 91K Aug 14, 2025
Q1 2025 Added +25K +442.9% 31K May 15, 2025
Q4 2024 Reduced −10K −62.7% 6K Feb 14, 2025
Q3 2024 Reduced −23K −60.0% 15K Nov 14, 2024
Q2 2024 Added +33K +621.7% 38K Aug 14, 2024
Q1 2024 Reduced −234 −4.2% 5K May 15, 2024
Q4 2023 Added +480 +9.5% 6K Feb 14, 2024
Q3 2023 Reduced −355 −6.6% 5K Nov 14, 2023
Q2 2023 Reduced −2K −28.7% 5K Aug 14, 2023
Q1 2023 Reduced −236 −3.0% 8K May 15, 2023
Q4 2022 Added +2K +39.2% 8K Feb 14, 2023
Q3 2022 Added +29 +0.5% 6K Nov 14, 2022
Q2 2022 Reduced −1K −20.3% 6K Aug 15, 2022
Q1 2022 Added +4K +174.6% 7K May 16, 2022
Q4 2021 New +3K 3K Feb 14, 2022
Data through Q1 2026 · filed May 15, 2026
18 grouped rows from 18 quarters

More Greenblatt positions

Common questions

Does Joel Greenblatt own NBIX?

Yes. As of Q1 2026, Joel Greenblatt disclosed 360K shares of NBIX, worth an amount we cannot price. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Joel Greenblatt buy NBIX?

Joel Greenblatt first disclosed a NBIX position in Q4 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 NBIX?

The quarter-by-quarter table above shows each sale and reduction Joel Greenblatt disclosed in NBIX. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

How many shares of NBIX does Joel Greenblatt own?

Joel Greenblatt disclosed 360K shares of NBIX as of Q1 2026. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

What price did Joel Greenblatt pay for NBIX?

Joel Greenblatt began building the NBIX 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.