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NBIX · Neurocrine Biosciences Inc

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Market Cap
$16.10B
Shares
101.65M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 775
Total Value: $17,109,974,315
Total Shares: 101,625,252
Showing 1–100 of 790 holdings by value · page 1 of 8

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 775 13F filers · Δ vs Mar 31, 2026
Top Holder
13.5%
Sep 2023 → Jun 2026 · range 12.8% – 15.5%
+0.2 pts
Top 5
34.7%
Sep 2023 → Jun 2026 · range 33.7% – 38.7%
+1.0 pts
Top 10
49.2%
Sep 2023 → Jun 2026 · range 43.5% – 50.1%
−0.8 pts
HHI
370
Sep 2023 → Jun 2026 · range 366 – 451
Broadly held+4

Quarterly Activity

vs Mar 31, 2026
New
148
Increased
319
Decreased
226
Sold Out
74
Unchanged
82
Holder count: +74
Institutional value: +28.9%
Shares held: +0.9%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 790
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 914475 CUSIP 64125C109 13F (30d) 472 filings 455 filers Visit website Investor relations