Manager × security

Sarissa Capital Management LP NBIX holdings history

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NEUROCRINE BIOSCIENCES INC · CUSIP 64125C109 · CIK 1577524

This is the oldest quarter open without an account, so changes against the quarter before it are withheld. Sign in to see them.
Citable facts

As of 2026-06-30, Sarissa Capital Management LP reported 116.53K NBIX (shares), valued at $19.64M, or 11.04% of its reported non-derivative portfolio. Filed 2026-08-14.

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Portfolio weight and quantity history
Reported portfolio weight
11.04%
Shares
116.53K
116,533
Reported value
$19.64M
USD

Shares unchanged; reported value increased 27.93%, and weight changed +1.30 pp. Weight depends on both the security valuation and total portfolio value, not trade proceeds.

Left: % · Right: Shares · Independently scaled axes

Exact data and methodology

Axes scale independently; a crossing does not mean equal values. Weight uses each quarter's total reported non-derivative value. Same CUSIP; missing quarters are gaps, not zero. Revised history may include later disclosures.

QuarterWeightQuantitySource
Q2 202611.04%116,533SEC filing ↗Filed Aug 14, 2026
Q1 20269.74%116,533SEC filing ↗Filed May 15, 2026
Q4 202519.29%303,151SEC filing ↗Filed Feb 17, 2026
Q3 202523.59%303,151SEC filing ↗Filed Nov 14, 2025
Q2 202524.68%303,151SEC filing ↗Filed Aug 14, 2025
Q1 202522.10%309,116SEC filing ↗Filed May 15, 2025
Q4 202413.07%309,116SEC filing ↗Filed Feb 14, 2025
Q3 202411.76%410,483SEC filing ↗Filed Nov 14, 2024
Q2 20249.54%410,483SEC filing ↗Filed Aug 14, 2024
Q1 20248.36%346,426SEC filing ↗Filed May 15, 2024
Q4 20239.54%470,000SEC filing ↗Filed Feb 14, 2024
Q3 20235.55%366,000SEC filing ↗Filed Nov 14, 2023

History & evidence by quarter

QuarterWeightQuantityValueChange explainedSource
Q3 20235.55%366,000$41.17MThe prior quarter is outside the free window. Sign in for the comparison.SEC filing ↗
Filed Nov 14, 2023
Q4 20239.54%470,000$61.93MShares increased 28.42%; reported value increased 50.40%, and weight changed +3.99 pp. Weight depends on both the security valuation and total portfolio value, not trade proceeds.SEC filing ↗
Filed Feb 14, 2024
Q1 20248.36%346,426$47.78MShares decreased 26.29%; reported value decreased 22.85%, and weight changed -1.18 pp. Weight depends on both the security valuation and total portfolio value, not trade proceeds.SEC filing ↗
Filed May 15, 2024
Q2 20249.54%410,483$56.51MShares increased 18.49%; reported value increased 18.28%, and weight changed +1.18 pp. Weight depends on both the security valuation and total portfolio value, not trade proceeds.SEC filing ↗
Filed Aug 14, 2024
Q3 202411.76%410,483$47.30MShares unchanged; reported value decreased 16.31%, and weight changed +2.22 pp. Weight depends on both the security valuation and total portfolio value, not trade proceeds.SEC filing ↗
Filed Nov 14, 2024
Q4 202413.07%309,116$42.19MShares decreased 24.69%; reported value decreased 10.79%, and weight changed +1.31 pp. Weight depends on both the security valuation and total portfolio value, not trade proceeds.SEC filing ↗
Filed Feb 14, 2025
Q1 202522.10%309,116$34.19MShares unchanged; reported value decreased 18.97%, and weight changed +9.03 pp. Weight depends on both the security valuation and total portfolio value, not trade proceeds.SEC filing ↗
Filed May 15, 2025
Q2 202524.68%303,151$38.10MShares decreased 1.93%; reported value increased 11.45%, and weight changed +2.58 pp. Weight depends on both the security valuation and total portfolio value, not trade proceeds.SEC filing ↗
Filed Aug 14, 2025
Q3 202523.59%303,151$42.56MShares unchanged; reported value increased 11.69%, and weight changed -1.09 pp. Weight depends on both the security valuation and total portfolio value, not trade proceeds.SEC filing ↗
Filed Nov 14, 2025
Q4 202519.29%303,151$43.00MShares unchanged; reported value increased 1.03%, and weight changed -4.30 pp. Weight depends on both the security valuation and total portfolio value, not trade proceeds.SEC filing ↗
Filed Feb 17, 2026
Q1 20269.74%116,533$15.35MShares decreased 61.56%; reported value decreased 64.29%, and weight changed -9.55 pp. Weight depends on both the security valuation and total portfolio value, not trade proceeds.SEC filing ↗
Filed May 15, 2026
Q2 202611.04%116,533$19.64MShares unchanged; reported value increased 27.93%, and weight changed +1.30 pp. Weight depends on both the security valuation and total portfolio value, not trade proceeds.SEC filing ↗
Filed Aug 14, 2026
Sarissa Capital Management LP · NEUROCRINE BIOSCIENCES INC

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Figures are as reported to the SEC and merged with later amendments where Akkru could match them. Preview limits apply to what is listed, not to the totals, which come from the complete reported data. Nothing is zero-filled: a missing quarter or month is shown as missing.

13F reports quarter-end long positions in securities traded on US exchanges, filed by managers holding at least $100 million of such securities; it is not the manager's full portfolio, not assets under management, and value changes are not returns. Weights use the reported total value as denominator. Option rows show notional value, not premium or net exposure. Amendments are merged into the quarter when Akkru could match them.