FBIOX
Select Biotechnology Portfolio
Fidelity Select Portfolios

Portfolio concentration

As of February 28, 2026 · N-PORT
Holdings
187
Top-10 weight
53.26%
Effective holdings ?
22
Crowding ?
768.6

Holdings

As of February 28, 2026 · N-PORT
#SecurityTickerSharesValue% of fund
1 ABBVIE INC 3,049,432 $707.71M 13.22%
2 KRYSTAL BIOTECH INC 1,806,522 $497.95M 9.30%
3 GILEAD SCIENCES INC 3,149,952 $469.19M 8.77%
4 AMGEN INC 1,149,551 $446.21M 8.34%
5 ALNYLAM PHARMACEUTICALS INC 496,683 $165.36M 3.09%
6 Fidelity Securities Lending Cash Central Fund 136,216,589 $136.23M 2.55%
7 PRAXIS PRECISION MEDICINES INC 390,500 $131.50M 2.46%
8 Ascendis Pharma A/S 558,201 $130.34M 2.44%
9 INSMED INC 811,101 $121.12M 2.26%
10 UCB SA 390,274 $116.35M 2.17%
11 ARGENX SE SPONSORED ADR 149,344 $114.53M 2.14%
12 REGENERON PHARMACEUTICALS INC 101,316 $79.20M 1.48%
13 MODERNA INC 1,432,529 $76.74M 1.43%
14 SCHOLAR ROCK HOLDING CORP 1,650,449 $73.07M 1.37%
15 NATERA INC 331,532 $68.97M 1.29%
16 COGENT BIOSCIENCES INC 1,691,394 $65.71M 1.23%
17 CENTESSA PHARMACEUTICALS LTD ADR 2,187,494 $58.76M 1.10%
18 BIOGEN INC 299,435 $57.44M 1.07%
19 ROIVANT SCIENCES LTD 1,972,719 $57.09M 1.07%
20 VERTEX PHARMACEUTICALS INC 112,900 $56.09M 1.05%
21 BRIDGEBIO PHARMA INC 707,304 $47.02M 0.88%
22 PROTAGONIST THERAPEUTICS INC 506,713 $46.66M 0.87%
23 IMMUNOME INC 2,131,664 $46.60M 0.87%
24 TERNS PHARMACEUTICALS INC 1,079,186 $45.46M 0.85%
25 REVOLUTION MEDICINES INC 438,772 $44.76M 0.84%
26 KYMERA THERAPEUTICS INC 462,441 $42.24M 0.79%
27 IONIS PHARMACEUTICALS INC 476,377 $38.66M 0.72%
28 ARRIVENT BIOPHARMA INC 1,680,003 $38.59M 0.72%
29 CRINETICS PHARMACEUTICALS INC 926,671 $38.09M 0.71%
30 Abivax SA SPONSORED ADS ABVX US 301,600 $36.58M 0.68%
31 STRUCTURE THERAPEUTICS INC ADR 564,438 $35.55M 0.66%
32 DISC MEDICINE INC 532,174 $35.45M 0.66%
33 GALDERMA GROUP A 184,660 $34.85M 0.65%
34 ZEALAND PHARMA A 589,130 $33.89M 0.63%
35 CYTOKINETICS INC 503,175 $31.31M 0.59%
36 CANDEL THERAPEUTICS INC 5,911,951 $31.04M 0.58%
37 VIRIDIAN THERAPEUTICS INC 1,001,204 $29.42M 0.55%
38 VAXCYTE INC 470,455 $29.05M 0.54%
39 STOKE THERAPEUTICS INC 792,594 $28.86M 0.54%
40 NUVALENT INC-A 273,399 $27.87M 0.52%
41 APOGEE THERAPEUTICS INC 392,757 $27.49M 0.51%
42 TREVI THERAPEUTICS INC 2,288,485 $27.28M 0.51%
43 ANNEXON INC 4,733,596 $26.51M 0.50%
44 ARROWHEAD PHARMACEUTICALS INC 409,378 $25.90M 0.48%
45 DIANTHUS THERAPEUTICS INC 432,218 $23.85M 0.45%
46 VOR BIOPHARMA INC 1,536,125 $23.72M 0.44%
47 EDGEWISE THERAPEUTICS INC 776,925 $23.65M 0.44%
48 UNITED THERAPEUTICS CORP DEL 44,593 $22.47M 0.42%
49 INTELLIA THERAPEUTICS INC 1,607,833 $22.16M 0.41%
50 TRAVERE THERAPEUTICS INC 720,343 $21.46M 0.40%
1 / 4 Next ›

Machine-readable: JSON · Markdown. Programmatic access via the agent surface.