Tax-loss harvesting alternatives for NBIX

Among the 28 Biotechnology peers screened, EXEL (Exelixis) has tracked NBIX most closely over the past year, with a return correlation of 0.46. The strongest fund stand-in is IBB (iShares Biotechnology ETF) at 0.49 over the past year. Correlations are computed from daily closing-price returns aligned by trading day.

Run this search live in the Screener →

STOCKS

Single-name peers

Ticker	Name	Sub-industry	1Y	3Y	5Y	10Y
EXEL	Exelixis	Biotechnology	0.46	0.30	0.33	0.38
INCY	Incyte	Biotechnology	0.37	0.32	0.36	0.39
PTGX	Protagonist Therapeutics, Inc.	Biotechnology	0.35	0.17	0.18	0.12
TGTX	TG Therapeutics, Inc.	Biotechnology	0.34	0.20	0.21	0.23
BMRN	BioMarin Pharmaceutical	Biotechnology	0.32	0.28	0.31	0.36
XNCR	Xencor Inc	Biotechnology	0.31	0.26	0.27	0.32
VIR	Vir Biotechnology, Inc.	Biotechnology	0.29	0.23	0.21	0.11
HALO	Halozyme	Biotechnology	0.29	0.25	0.26	0.32
ARWR	Arrowhead Pharmaceuticals	Biotechnology	0.29	0.24	0.29	0.29
VRTX	Vertex Pharmaceuticals	Biotechnology	0.29	0.21	0.25	0.34
KRYS	Krystal Biotech	Biotechnology	0.29	0.23	0.18	0.21
BIIB	Biogen Inc.	Biotechnology	0.29	0.25	0.25	0.26
SRPT	Sarepta Therapeutics	Biotechnology	0.28	0.17	0.21	0.26
RCUS	Arcus Biosciences, Inc.	Biotechnology	0.28	0.25	0.25	0.24
HRMY	Harmony Biosciences Holdings, Inc.	Biotechnology	0.28	0.17	0.23	0.19
AMGN	Amgen Inc.	Biotechnology	0.27	0.25	0.22	0.29
CYTK	Cytokinetics	Biotechnology	0.25	0.20	0.24	0.25
FTRE	Fortrea	Biotechnology	0.25	0.24	0.23	—
GILD	Gilead Sciences	Biotechnology	0.24	0.20	0.21	0.23
LGND	Ligand Pharmaceuticals, Inc.	Biotechnology	0.24	0.22	0.25	0.30
ROIV	Roivant Sciences	Biotechnology	0.24	0.25	0.18	—
REGN	Regeneron Pharmaceuticals	Biotechnology	0.22	0.25	0.27	0.31
VCEL	Vericel	Biotechnology	0.21	0.24	0.26	0.24
ALNY	Alnylam Pharmaceuticals	Biotechnology	0.20	0.25	0.27	0.35
UTHR	United Therapeutics	Biotechnology	0.16	0.21	0.22	0.27
RGEN	Repligen	Biotechnology	0.15	0.23	0.24	0.28
MRNA	Moderna Inc.	Biotechnology	0.13	0.11	0.12	0.11
ADMA	ADMA Biologics, Inc.	Biotechnology	0.12	0.18	0.21	0.17

ETFS

Fund stand-ins

An ETF is generally not 'substantially identical' to a single stock, which is why funds are the standard wash-sale-aware replacement.

Ticker	Name	Focus	Match	1Y	3Y	5Y	10Y
IBB	iShares Biotechnology ETF	Biotechnology	INDUSTRY	0.49	0.45	0.46	0.52
XBI	SPDR S&P Biotech ETF	Biotechnology (Equal Wt)	INDUSTRY	0.48	0.44	0.45	0.52
XPH	SPDR S&P Pharmaceuticals	Pharmaceuticals (Equal Wt)	INDUSTRY	0.37	0.38	0.39	0.44
FHLC	Fidelity MSCI Health Care ETF	Health Care Sector	SECTOR	0.35	0.37	0.38	0.43
VHT	Vanguard Health Care ETF	Health Care Sector	SECTOR	0.35	0.37	0.38	0.43
IHE	iShares US Pharmaceuticals ETF	Pharmaceuticals	INDUSTRY	0.33	0.33	0.34	0.41
IYH	iShares US Healthcare ETF	Health Care Sector	SECTOR	0.32	0.35	0.36	0.41
ARKG	ARK Genomic Revolution ETF	Genomics (Active)	INDUSTRY	0.31	0.31	0.34	0.39
XLV	Health Care Select Sector SPDR	Health Care Sector	SECTOR	0.29	0.32	0.33	0.39
PPH	VanEck Pharma ETF	Pharmaceuticals	INDUSTRY	0.27	0.28	0.29	0.36
IHF	iShares Health Care Providers	Health Care Providers	INDUSTRY	0.26	0.21	0.26	0.32
IHI	iShares Medical Devices ETF	Medical Devices	SUB-IND	0.18	0.29	0.31	0.36

NEXT STEPS

Harvesting a loss in NBIX?

Estimate what the harvest could save →Check the eight wash-sale traps →Document the trade with a Tax Memo →

Replacement research for NBIX's peers

EXEL INCY PTGX TGTX BMRN XNCR VIR HALO ARWR VRTX KRYS BIIB SRPT RCUS HRMY AMGN CYTK FTRE GILD LGND ROIV REGN VCEL ALNY UTHR RGEN MRNA ADMA

Browse all tickers →

Method: Pearson correlation of daily closing-price returns, Yahoo Finance data, series aligned by trading day, refreshed weekly. A cell is blank when overlapping history covers less than 60% of its window. Correlation is descriptive, not predictive. Wash-sale treatment depends on facts and circumstances — confirm with a tax professional. Not investment advice.