13F Insight
DOSSIER · 13F Holders · Q1 2026Healthcare · Biological Products, (No Diagnostic Substances)
NBIX

NEUROCRINE BIOSCIENCES INC

757 institutions still hold NEUROCRINE BIOSCIENCES INC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 64125C109·Biological Products, (No Diagnostic Substances)·757 13F holders·last filed Mar 31, 2026
Market cap
—
13F value held
$8.4B
visible holders
Holders
757
filers reporting
Concentration
21.07%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q1 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).

Top holders

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

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$1.8B13.4M0.03%Q1 202602
DODGE & COX
CIK 0000200217
$719M5.5M0.40%Q1 202603
JPMORGAN CHASE & CO
CIK 0000019617
$701M5.4M0.04%Q1 202604
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
$651M4.9M0.30%Q1 202605
Vanguard Portfolio Management
CIK 0002100121· Index
$623M4.7M0.03%Q1 202606
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$594M4.5M0.01%Q1 202607
STATE STREET CORP
CIK 0000093751
$574M4.4M0.02%Q1 202608
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$403M3.1M0.33%Q1 202609
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
$319M2.4M0.50%Q1 202610
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$281M2.1M0.02%Q1 202611
Bellevue Group AG
CIK 0001674546
$242M1.7M4.58%Q4 202512
BNP Paribas Asset Management Holding S.A.
CIK 0001520354
$197M1.5M0.23%Q1 202613
WELLINGTON MANAGEMENT GROUP LLP
CIK 0000902219
$183M1.4M0.03%Q1 202614
DEERFIELD MANAGEMENT COMPANY, L.P.
CIK 0001009258
$168M1.2M2.15%Q4 202515
Vestal Point Capital, LP
CIK 0001974915
$165M1.3M4.60%Q1 202616
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
$164M1.2M0.07%Q1 202617
NORTHERN TRUST CORP
CIK 0000073124· Index
$164M1.2M0.02%Q1 202618
UBS Group AG
CIK 0001610520
$161M1.2M0.02%Q1 202619
MORGAN STANLEY
CIK 0000895421
$161M1.2M0.01%Q1 202620
RTW INVESTMENTS, LP
CIK 0001493215
$140M1.1M1.39%Q1 2026
Page 1 of 38
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Insiders at NEUROCRINE BIOSCIENCES INC
Delaet Ingrid →Lippoldt Darin →Sherwin Stephen A →Onyia Jude →Norwalk Leslie V →Cooke Julie →Keswani Sanjay Chandru →Rastetter William H →