13F Insight
DOSSIER · 13F Holders · Q2 2026Healthcare · Biological Products, (No Diagnostic Substances)
NBIX

NEUROCRINE BIOSCIENCES INC

805 institutions still hold NEUROCRINE BIOSCIENCES INC as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 64125C109·Biological Products, (No Diagnostic Substances)·805 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$10.3B
visible holders
Holders
805
filers reporting
Concentration
22.37%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q2 2026

Swedbank, already Neurocrine Biosciences' largest holder, added 71,653 shares this quarter — a real 12.4% increase and a $12.1 million genuine purchase. Zoom out and that wasn't an isolated call: Assenagon Asset Management, flagged quasi-passive, more than doubled its stake (+143.4%, a real $22.1 million buy), PKO BP Bankowy added 23.1% ($5.4 million real buy), and Linden Thomas Advisory Services more than doubled a smaller position (+150.3%, $1.9 million real buy). Seven new positions joined the holder table, led by Congress Asset Management at $13.9 million. Wealth Enhancement Advisory Services made the largest real sale, cutting 10.8% for a $1.4 million outflow.

Zoom out: the buying spread across multiple funds

That wasn't a one-off. Assenagon Asset Management, flagged quasi-passive in this dataset, more than doubled its stake — up 143.4%, from 91,478 to 222,606 shares, a real $22.1 million purchase, the largest single real buy in the book once you account for the position's starting size. PKO BP Bankowy Universal Pension Society added 23.1% ($5.4 million real buy), and Linden Thomas Advisory Services more than doubled a smaller position, up 150.3% ($1.9 million real buy). Generali Investments Management added 19.8% ($297 thousand real buy), and QRG Capital Management added 14.4% ($402 thousand real buy).

Analysis generated by 13F Insight from SEC Form 13F filing data · Q2 2026. Methodology

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$2.3B13.7M0.03%Q2 202602
JPMORGAN CHASE & CO
CIK 0000019617
$1.1B6.4M0.06%Q2 202603
DODGE & COX
CIK 0000200217
$941M5.6M0.49%Q2 202604
Vanguard Portfolio Management
CIK 0002100121· Index
$838M5.0M0.04%Q2 202605
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$766M4.5M0.02%Q2 202606
STATE STREET CORP
CIK 0000093751
$739M4.4M0.02%Q2 202607
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
$643M3.8M0.22%Q2 202608
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
$394M2.3M0.54%Q2 202609
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$360M2.1M0.02%Q2 202610
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$350M2.1M0.25%Q2 202611
BNP Paribas Asset Management Holding S.A.
CIK 0001520354
$252M1.5M0.25%Q2 202612
MORGAN STANLEY
CIK 0000895421
$222M1.3M0.01%Q2 202613
RTW INVESTMENTS, LP
CIK 0001493215
$214M1.3M1.82%Q2 202614
NORTHERN TRUST CORP
CIK 0000073124· Index
$212M1.3M0.02%Q2 202615
Invesco Ltd.
CIK 0000914208
$182M1.1M0.01%Q2 202616
DEERFIELD MANAGEMENT COMPANY, L.P.
CIK 0001009258
$168M1.2M2.15%Q4 202517
Vestal Point Capital, LP
CIK 0001974915
$165M1.3M4.60%Q1 202618
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
CIK 0000884546· Index
$164M974K0.02%Q2 202619
NORGES BANK
CIK 0001374170· Sovereign
$164M974K0.02%Q2 202620
FIRST TRUST ADVISORS LP
CIK 0001125816· Index
$156M923K0.09%Q2 2026
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Insiders at NEUROCRINE BIOSCIENCES INC
Sherwin Stephen A →Onyia Jude →Norwalk Leslie V →Delaet Ingrid →Lippoldt Darin →Cooke Julie →Keswani Sanjay Chandru →