Tax-loss harvesting alternatives for CYTK

Among the 28 Biotechnology peers screened, ROIV (Roivant Sciences) has tracked CYTK most closely over the past year, with a return correlation of 0.36. The strongest fund stand-in is XBI (SPDR S&P Biotech ETF) at 0.53 over the past year. Correlations are computed from daily closing-price returns aligned by trading day.

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STOCKS

Single-name peers

Ticker	Name	Sub-industry	1Y	3Y	5Y	10Y
ROIV	Roivant Sciences	Biotechnology	0.36	0.28	0.21	—
LGND	Ligand Pharmaceuticals, Inc.	Biotechnology	0.33	0.24	0.29	0.31
RCUS	Arcus Biosciences, Inc.	Biotechnology	0.31	0.24	0.28	0.24
VIR	Vir Biotechnology, Inc.	Biotechnology	0.29	0.19	0.20	0.13
XNCR	Xencor Inc	Biotechnology	0.29	0.22	0.28	0.31
ARWR	Arrowhead Pharmaceuticals	Biotechnology	0.29	0.27	0.33	0.27
VRTX	Vertex Pharmaceuticals	Biotechnology	0.27	0.17	0.19	0.23
KRYS	Krystal Biotech	Biotechnology	0.27	0.24	0.22	0.22
NBIX	Neurocrine Biosciences	Biotechnology	0.26	0.20	0.24	0.25
PTGX	Protagonist Therapeutics, Inc.	Biotechnology	0.24	0.18	0.19	0.16
TGTX	TG Therapeutics, Inc.	Biotechnology	0.23	0.16	0.24	0.24
EXEL	Exelixis	Biotechnology	0.22	0.12	0.19	0.24
SRPT	Sarepta Therapeutics	Biotechnology	0.21	0.15	0.20	0.23
RGEN	Repligen	Biotechnology	0.21	0.18	0.23	0.24
HRMY	Harmony Biosciences Holdings, Inc.	Biotechnology	0.20	0.12	0.18	0.16
AMGN	Amgen Inc.	Biotechnology	0.19	0.18	0.17	0.24
FTRE	Fortrea	Biotechnology	0.19	0.18	0.18	—
REGN	Regeneron Pharmaceuticals	Biotechnology	0.17	0.18	0.20	0.22
VCEL	Vericel	Biotechnology	0.16	0.14	0.24	0.22
BMRN	BioMarin Pharmaceutical	Biotechnology	0.16	0.20	0.26	0.28
ALNY	Alnylam Pharmaceuticals	Biotechnology	0.14	0.16	0.20	0.22
BIIB	Biogen Inc.	Biotechnology	0.14	0.21	0.22	0.23
ADMA	ADMA Biologics, Inc.	Biotechnology	0.14	0.17	0.23	0.21
MRNA	Moderna Inc.	Biotechnology	0.14	0.12	0.13	0.12
INCY	Incyte	Biotechnology	0.13	0.17	0.19	0.23
GILD	Gilead Sciences	Biotechnology	0.12	0.12	0.13	0.16
HALO	Halozyme	Biotechnology	0.11	0.12	0.20	0.25
UTHR	United Therapeutics	Biotechnology	0.06	0.23	0.23	0.25

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
XBI	SPDR S&P Biotech ETF	Biotechnology (Equal Wt)	INDUSTRY	0.53	0.41	0.48	0.46
IBB	iShares Biotechnology ETF	Biotechnology	INDUSTRY	0.46	0.37	0.42	0.43
XPH	SPDR S&P Pharmaceuticals	Pharmaceuticals (Equal Wt)	INDUSTRY	0.45	0.31	0.39	0.38
IHE	iShares US Pharmaceuticals ETF	Pharmaceuticals	INDUSTRY	0.36	0.26	0.29	0.32
ARKG	ARK Genomic Revolution ETF	Genomics (Active)	INDUSTRY	0.35	0.27	0.35	0.37
VHT	Vanguard Health Care ETF	Health Care Sector	SECTOR	0.29	0.26	0.30	0.32
FHLC	Fidelity MSCI Health Care ETF	Health Care Sector	SECTOR	0.28	0.26	0.30	0.32
PPH	VanEck Pharma ETF	Pharmaceuticals	INDUSTRY	0.27	0.20	0.23	0.26
IYH	iShares US Healthcare ETF	Health Care Sector	SECTOR	0.25	0.24	0.27	0.30
XLV	Health Care Select Sector SPDR	Health Care Sector	SECTOR	0.22	0.22	0.25	0.28
IHI	iShares Medical Devices ETF	Medical Devices	SUB-IND	0.09	0.14	0.22	0.26
IHF	iShares Health Care Providers	Health Care Providers	INDUSTRY	0.04	0.13	0.20	0.24

NEXT STEPS

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Replacement research for CYTK's peers

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

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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.