SIMPLEX TRADING, LLC

Position in NBIX — Neurocrine Biosciences Inc

CIK 1488542 CHICAGO, IL

Position in NBIX

as of Mar 31, 2026 · filed May 14, 2026 Compact

Position Value

$941,150

+$113,289 QoQ

Shares Held

7,144

+22.4% QoQ

Ownership

0.007%

of shares outstanding

% of Portfolio

0.03%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Jun 2020

14 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Healthcare · as of Mar 31, 2026

SIMPLEX TRADING, LLC holds $16,102,016 across 33 Drug Manufacturers - Specialty & Generic names. NBIX ranks #2 (5.8% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ZTS	Zoetis Inc.	74,697	$8,829,932
2	NBIX	Neurocrine Biosciences Inc This page	7,144	$941,150
3	PRGO	PERRIGO Co plc	87,608	$940,909
4	HROW	Harrow, Inc.	19,608	$691,378
5	RDY	Dr Reddys Laboratories Ltd	44,776	$620,147
6	CRON	Cronos Group Inc.	212,416	$533,164
7	VTRS	Viatris Inc	38,221	$516,365
8	BCRX	Biocryst Pharmaceuticals Inc	53,965	$513,746

14 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$941,150	7,144	+22.4%	Shares	Sole	2026-05-14
2025-12-31	$827,861	5,837	+101.4%	Shares	Sole	2026-02-11
2025-09-30	$406,821	2,898	-24.6%	Shares	Sole	2025-11-12
2025-06-30	$483,026	3,843	+60.1%	Shares	Sole	2025-08-05
2025-03-31	$265,440	2,400	-75.1%	Shares	Sole	2025-05-12
2024-06-30	$1,328,240	9,648	+190.8%	Shares	Sole	2024-07-25
2022-09-30	$352,404	3,318	-76.5%	Shares	Sole	2022-11-04
2022-06-30	$1,374,760	14,103	-40.1%	Shares	Sole	2022-08-03
2022-03-31	$2,208,656	23,559	+335.6%	Shares	Sole	2022-05-02
2021-09-30	$518,777	5,409	-12.9%	Shares	Sole	2021-10-28
2021-06-30	$604,259	6,209	+434.3%	Shares	Sole	2021-08-12
2020-12-31	$111,377	1,162	-82.6%	Shares	Sole	2021-02-02
2020-09-30	$643,406	6,691	+669000.0%	Shares	Sole	2020-10-14
2020-06-30	$122	1	—	Shares	Sole	2020-07-13
No filing history on record for this holder in this stock.