FBTCX Holdings — Fidelity Advisor Biotechnology Fund
Data updated: 2026-10-13
FBTCX holds 129 securities. The top 10 make up 46.9% of net assets, led by Abbvie (14.71%) and Gilead Sciences (5.70%). Health Care (97.6%) and Funds & ETFs (2.3%) are the largest sectors, and 87.8% of the portfolio is in United States. Debt holdings: 7 positions, 0.1% of assets.
Holdings cover 102.20% of net asset value (99.65% of total assets; remainder is cash and receivables). As of July 31, 2026 · N-PORT.
FBTCX Portfolio Holdings
129 holdings of Fidelity Advisor Biotechnology Fund by percentage of net assets, from the fund's SEC N-PORT filing as of July 31, 2026. The 100 largest are listed below; the interactive table on this page lists all 129.
| Holding | Ticker | Sector | % of net assets | Value (USD) |
|---|---|---|---|---|
| Abbvie, Inc. | ABBV | Health Care | 14.71% | $323.68M |
| Gilead Sciences, Inc. | GILD | Health Care | 5.70% | $125.46M |
| Spyre Therapeutics, Inc. | SYRE | Health Care | 3.83% | $84.30M |
| Alnylam Pharmaceuticals, Inc. | ALNY | Health Care | 3.62% | $79.57M |
| Dianthus Therapeutics, Inc. | DNTH | Health Care | 3.55% | $78.06M |
| Cogent Biosciences, Inc. | COGT | Health Care | 3.25% | $71.43M |
| Oruka Therapeutics, Inc. | ORKA | Health Care | 3.24% | $71.17M |
| Insmed, Inc. | INSM | Health Care | 3.05% | $67.08M |
| Revolution Medicines, Inc. | RVMD | Health Care | 3.00% | $66.05M |
| Argenx SE Sponsored ADR | ARGX | Health Care | 3.00% | $65.91M |
| Ascendis Pharma As | ASND | Health Care | 2.99% | $65.67M |
| Biogen, Inc. | BIIB | Health Care | 2.71% | $59.69M |
| Mbx Biosciences, Inc. | MBX | Health Care | 2.45% | $53.90M |
| Amgen, Inc. | AMGN | Health Care | 2.37% | $52.04M |
| Amylyx Pharmaceuticals, Inc. | AMLX | Health Care | 2.25% | $49.42M |
| Vaxcyte, Inc. | PCVX | Health Care | 1.97% | $43.35M |
| Fidelity Securities Lending Cash Central Fund | — | Funds & ETFs | 1.96% | $43.21M |
| Moderna, Inc. | MRNA | Health Care | 1.60% | $35.13M |
| Relay Therapeutics, Inc. | RLAY | Health Care | 1.58% | $34.85M |
| Viridian Therapeutics, Inc. | VRDN | Health Care | 1.53% | $33.72M |
| Natera, Inc. | NTRA | Health Care | 1.43% | $31.38M |
| Kiniksa Pharmaceuticals International PLC | KNSA | Health Care | 1.41% | $31.04M |
| Vertex Pharmaceuticals, Inc. | VRTX | Health Care | 1.39% | $30.49M |
| Enliven Therapeutics, Inc. | ELVN | Health Care | 1.25% | $27.48M |
| Alumis, Inc. | ALMS | Health Care | 1.22% | $26.74M |
| Roivant Sciences Ltd. | ROIV | Health Care | 1.20% | $26.34M |
| Structure Therapeutics, Inc. ADR | GPCR | Health Care | 1.15% | $25.36M |
| Kymera Therapeutics, Inc. | KYMR | Health Care | 1.09% | $23.96M |
| Praxis Precision Medicines, Inc. | PRAX | Health Care | 1.04% | $22.84M |
| Xenon Pharmaceuticals, Inc. | XENE | Health Care | 0.98% | $21.45M |
| Celldex Therapeutics, Inc. | CLDX | Health Care | 0.89% | $19.50M |
| Parabilis Medicines, Inc. (180 Day Lockup) | — | Health Care | 0.82% | $17.98M |
| Regeneron Pharmaceuticals, Inc. | REGN | Health Care | 0.78% | $17.16M |
| Zenas Biopharma, Inc. | ZBIO | Health Care | 0.70% | $15.46M |
| First Tracks Biotherapeutics, Inc. | TRAX | Health Care | 0.68% | $15.02M |
| Mirum Pharmaceuticals, Inc. | MIRM | Health Care | 0.65% | $14.31M |
| Viking Therapeutics, Inc. | VKTX | Health Care | 0.65% | $14.29M |
| Jade Biosciences, Inc. | JBIO | Health Care | 0.63% | $13.80M |
| Newamsterdam Pharma Company NV | NAMS | Health Care | 0.57% | $12.45M |
| Dyne Therapeutics, Inc. | DYN | Health Care | 0.55% | $12.14M |
| Climb Bio, Inc. | CLYM | Health Care | 0.54% | $11.86M |
| Arcus Biosciences, Inc. | RCUS | Health Care | 0.54% | $11.78M |
| Avalo Therapeutics, Inc. | AVTX | Health Care | 0.53% | $11.67M |
| Tyra Biosciences, Inc. | TYRA | Health Care | 0.51% | $11.29M |
| Cg Oncology, Inc. | CGON | Health Care | 0.51% | $11.23M |
| Uniqure N.v. | QURE | Health Care | 0.44% | $9.75M |
| Stoke Therapeutics, Inc. | STOK | Health Care | 0.42% | $9.17M |
| Olema Pharmaceuticals, Inc. | OLMA | Health Care | 0.40% | $8.90M |
| Hemab Therapeutics Holdings, Inc. | COAG | Health Care | 0.40% | $8.88M |
| Damora Therapeutics, Inc. | DMRA | Health Care | 0.39% | $8.64M |
| Fidelity Cash Central Fund | — | Funds & ETFs | 0.39% | $8.49M |
| Annexon, Inc. | ANNX | Health Care | 0.38% | $8.47M |
| Mineralys Therapeutics, Inc. | MLYS | Health Care | 0.38% | $8.45M |
| Ucb SA | — | Health Care | 0.38% | $8.38M |
| Cytomx Therapeutics, Inc. | CTMX | Health Care | 0.35% | $7.72M |
| Vor Biopharma, Inc. | VOR | Health Care | 0.33% | $7.27M |
| Definium Therapeutics, Inc. | DFTX | Health Care | 0.32% | $7.02M |
| Tarsus Pharmaceuticals, Inc. | TARS | Health Care | 0.30% | $6.49M |
| Disc Medicine, Inc. | IRON | Health Care | 0.28% | $6.23M |
| Tenax Therapeutics, Inc. | TENX | Health Care | 0.28% | $6.10M |
| Neurogene, Inc. | NGNE | Health Care | 0.26% | $5.83M |
| Dbv Technologies SA Spon ADR | DBVT | Health Care | 0.26% | $5.79M |
| Scholar Rock Holding Corp. | SRRK | Health Care | 0.25% | $5.59M |
| Edgewise Therapeutics, Inc. | EWTX | Health Care | 0.25% | $5.55M |
| Solid Biosciences, Inc. | SLDB | Health Care | 0.25% | $5.46M |
| Inflarx NV | IFRX | Health Care | 0.25% | $5.43M |
| X4 Pharmaceuticals, Inc. | XFOR | Health Care | 0.24% | $5.34M |
| Crescent Biopharma, Inc. | CBIO | Health Care | 0.23% | $5.15M |
| Silence Therapeutics PLC ADR | SLN | Health Care | 0.23% | $5.06M |
| Janux Therapeutics, Inc. | JANX | Health Care | 0.22% | $4.86M |
| Madrigal Pharmaceuticals, Inc. | MDGL | Health Care | 0.22% | $4.81M |
| Avalyn Pharma, Inc. | AVLN | Health Care | 0.21% | $4.67M |
| Kartos Therapeutics, Inc. Series C Pc Pp | — | Health Care | 0.20% | $4.37M |
| Upstream Bio, Inc. | UPB | Health Care | 0.20% | $4.36M |
| Mentari Therapeutics, Inc. Ser A Pc Pp | — | Health Care | 0.20% | $4.34M |
| Caldera Therapeutics Fwd Cmmt Pipe | — | Health Care | 0.19% | $4.15M |
| Enliven Therapeutics, Inc. Pipe | — | Health Care | 0.18% | $4.01M |
| Avenzo Therapeutics Fwd Cmmt Pipe | — | Health Care | 0.17% | $3.77M |
| Bridgebio Pharma, Inc. | BBIO | Health Care | 0.17% | $3.76M |
| Kodiak Sciences, Inc. | KOD | Health Care | 0.17% | $3.67M |
| Contineum Therapeutics, Inc. Cl A | CTNM | Health Care | 0.16% | $3.48M |
| Endeavor Biomedicines, Inc. Series C Pc Pp | — | Health Care | 0.16% | $3.43M |
| Tectonic Therapeutic, Inc. | TECX | Health Care | 0.15% | $3.39M |
| Cellcentric Ltd. Ser D Pc Pp | — | Unknown | 0.14% | $3.14M |
| Sonoma Biotherapeutics, Inc. Ser B Pfd Pp | — | Health Care | 0.14% | $3.09M |
| Inventiva SA Unspon ADR | IVA | Health Care | 0.14% | $3.07M |
| Lifemine Therapeutics, Inc. Ser C Pp | — | Health Care | 0.13% | $2.93M |
| Zenas Biopharma, Inc. Pipe | — | Health Care | 0.12% | $2.71M |
| Avere Therapeutics Fwd Cmmt Pipe | — | Health Care | 0.12% | $2.70M |
| Maplight Therapeutics, Inc. | MPLT | Health Care | 0.12% | $2.64M |
| Bright Peak Therapeutics Ser B Pc Pp | — | Health Care | 0.10% | $2.23M |
| Advancell, Inc. Ser D Pc Pp | — | Health Care | 0.09% | $1.96M |
| Sonoma Biotherapeutics, Inc. Ser B1 Pfd Pp | — | Health Care | 0.09% | $1.93M |
| Cardurion Pharmaceuticals, Inc. Ser B Pc Pp | — | Health Care | 0.09% | $1.90M |
| Mentari Therapeutics Fwd Cmmt Pipe | — | Health Care | 0.07% | $1.47M |
| Crescent Biopharma, Inc. Pipe | — | Health Care | 0.06% | $1.42M |
| Advancell Conv 0% 12/31/2199 Pp | — | Health Care | 0.04% | $981.03K |
| Wugen, Inc. Ser B Pc Pp | — | Health Care | 0.04% | $899.43K |
| T-Knife Therapeutics, Inc. Ser B Pc Pp | — | Health Care | 0.04% | $897.07K |
| Wugen, Inc. Conv 0% 12/31/2199 P/p | — | Health Care | 0.04% | $863.90K |
FBTCX Sector Allocation
Fidelity Advisor Biotechnology Fund holdings grouped by sector, by share of the portfolio's market value.
| Sector | Weight | Holdings |
|---|---|---|
| Health Care | 97.6% | 126 |
| Funds & ETFs | 2.3% | 2 |
| Unknown | 0.1% | 1 |
FBTCX Country Allocation
Where Fidelity Advisor Biotechnology Fund's holdings are domiciled, by percentage of net assets (largest 11).
| Country | % of net assets |
|---|---|
| United States | 87.8% |
| Netherlands | 4.2% |
| Denmark | 3.0% |
| Cayman Islands | 1.8% |
| United Kingdom | 1.8% |
| Canada | 1.4% |
| Bermuda | 1.2% |
| France | 0.4% |
| Belgium | 0.4% |
| Australia | 0.1% |
| Germany | 0.1% |
FBTCX Portfolio Allocation
Asset-class allocation of Fidelity Advisor Biotechnology Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Equity | 99.7% |
| Cash & Equivalents | 2.4% |
| Fixed Income | 0.1% |
FBTCX Debt Constituents
Largest debt holdings of Fidelity Advisor Biotechnology Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| Advancell Pty Ltd. | 0.04% |
| Wugen, Inc. | 0.04% |
| Bright Peak Therapeutics Inc. | 0.03% |
| Kartos Therapeutics, Inc. | 0.01% |
| Kartos Therapeutics, Inc. | 0.00% |
| Kartos Therapeutics, Inc. | 0.00% |
| Kartos Therapeutics, Inc. | 0.00% |
For information only. Not investment advice: figures are as reported in SEC filings and may contain errors or be out of date. Past performance does not guarantee future results.