FBIOX Mutual Fund

NAV$30.90

AUM$7.1B

TER0.62%

Holdings191

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FBIOX Mutual Fund

NAV$30.90

Fidelity Select Biotechnology Portfolio

AUM$7.1B

TER0.62%

Holdings191

See how much of FBIOX you already own

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Overview Performance Chart Dividends Top Holdings All Holdings Sectors Geography Similar Compare Overlap

Showing top 50 of 185 holdings · as of Feb 28, 2026

FBIOX holdings, by weight
#	Ticker	Name	Weight	Cumulative	Shares	Mkt value	Share chg	Sector	Industry
1	ABBV	AbbVie Inc.Health Care · Pharmaceuticals	13.22%	13.2%	3,049,432	$707.71M	-249.2K	Health Care	Pharmaceuticals
2	KRYS	Krystal Biotech IncHealth Care · Biotechnology	9.30%	22.5%	1,806,522	$497.95M	-48.9K	Health Care	Biotechnology
Share changes, sector and industry · Pro
3	GILD	Gilead Sciences	8.77%	31.3%	3,149,952	$469.19M
4	AMGN	Amgen Inc.	8.34%	39.6%	1,149,551	$446.21M
5	ALNY	Alnylam Pharmaceuticals Inc.	3.09%	42.7%	496,683	$165.36M
6	NMF	Fidelity Securities Lending Cash Central Fund	2.55%	45.3%	136,216,588	$136.23M
7	PRAX	Praxis Precision Medicines Inc	2.46%	47.7%	390,500	$131.50M
8	ASND	Ascendis Pharma A/S	2.44%	50.2%	558,201	$130.34M
9	INSM	Insmed Inc	2.26%	52.4%	811,101	$121.12M
10	—	Ucb Sa	2.17%	54.6%	390,274	$116.35M
11	—	Argenx Se Sponsored Adr (1 Ads : 1 Ordinary)	2.14%	56.7%	149,344	$114.53M
12	REGN	Regeneron Pharmaceuticals, Inc.	1.48%	58.2%	101,316	$79.20M
13	—	Moderna therapeutics	1.43%	59.6%	1,432,529	$76.74M
14	SRRK	Scholar Rock Holding Corp	1.37%	61.0%	1,650,449	$73.07M
15	NTRA	Natera Inc	1.29%	62.3%	331,532	$68.97M
16	COGT	Cogent Biosciences Inc	1.23%	63.5%	1,691,394	$65.71M
17	CNTA	Centessa Pharmaceuticals Plc	1.10%	64.6%	2,187,494	$58.76M
18	BIIB	Biogen Inc.	1.07%	65.7%	299,435	$57.44M
19	—	Roivant Sciences Ltd. Common Shares	1.07%	66.8%	1,972,719	$57.09M
20	—	Nvaesrtex Pharmaceuticals Inc	1.05%	67.8%	112,900	$56.09M
21	BBIO	Bridgebio Pharma Inc_None_0	0.88%	68.7%	707,304	$47.02M
22	IMNM	Immunome Inc	0.87%	69.6%	2,131,664	$46.60M
23	PTGX	Protagonist Therapeutics Inc	0.87%	70.4%	506,713	$46.66M
24	TERN	Terns Pharmaceuticals Inc	0.85%	71.3%	1,079,186	$45.46M
25	RVMD	Revolution Medicines Inc	0.84%	72.1%	438,772	$44.76M
26	KYMR	Kymera Therapeutics Inccommon Stock	0.79%	72.9%	462,441	$42.24M
27	AVBP	Arrivent Biopharma Inc	0.72%	73.6%	1,680,003	$38.59M
28	IONS	Ionis Pharmaceuticals Inc	0.72%	74.4%	476,377	$38.66M
29	CRNX	Crinetics Pharmaceuticals Inc	0.71%	75.1%	926,671	$38.09M
30	—	Abivax Sa Sponsored Adr (1 Ads : 1 Ordinary)	0.68%	75.8%	301,600	$36.58M
31	IRON	Disc Medicine Inc	0.66%	76.4%	532,174	$35.45M
32	—	Structure Therapeutics Inc Adr	0.66%	77.1%	564,438	$35.55M
33	GALD	Galderma	0.65%	77.7%	184,660	$34.85M
34	ZEAL	Zealand Pharma A/s	0.63%	78.4%	589,130	$33.89M
35	CYTK	Cytokinetics Inc	0.59%	78.9%	503,175	$31.31M
36	CADL	Candel Therapeutics Inc.	0.58%	79.5%	5,911,951	$31.04M
37	VRDN	Viridian Therapeutics Inc	0.55%	80.1%	1,001,204	$29.42M
38	STOK	Stoke Therapeuti	0.54%	80.6%	792,594	$28.86M
39	PCVX	Vaxcyte Inc	0.54%	81.2%	470,455	$29.05M
40	NUVL	Nuvalent, Inc.	0.52%	81.7%	273,399	$27.87M
41	APGE	Apogee Therapeutics Inc	0.51%	82.2%	392,757	$27.49M
42	TRVI	Trevi Therapeutics Inc.	0.51%	82.7%	2,288,485	$27.28M
43	ANNX	Annexon Inc	0.50%	83.2%	4,733,596	$26.51M
44	ARWR	Arrowhead Pharmaceuticals Inc	0.48%	83.7%	409,378	$25.90M
45	DNTH	Dianthus Therapeutics Inc	0.45%	84.1%	432,218	$23.85M
46	EWTX	Edgewise Therapeutics Inc.	0.44%	84.6%	776,925	$23.65M
47	VOR	Vor Biopharma Inc	0.44%	85.0%	1,536,125	$23.72M
48	UTHR	United Therapeutics Corp	0.42%	85.4%	44,593	$22.47M
49	NTLA	Intellia Therapeutics Inc	0.41%	85.8%	1,607,833	$22.16M
50	DYN	Dyne Therapeutics Inc	0.40%	86.2%	1,368,144	$21.37M
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FBIOX Mutual Fund All Holdings

FBIOX holdings total 191 positions. The top 10 holdings account for 54.6% of the fund, led by Abbvie Inc. at 13.2%, Krystal Biotech Inc at 9.3%, Gilead Sciences at 8.8%.

FBIOX portfolio concentration is relatively high, with the top 10 representing 54.6% of total assets. The largest sector exposure is Health Care at 91.5%.

FBIOX sectors provide a detailed breakdown. FBIOX overlap shows how holdings compare to other funds in your portfolio.