# Select Biotechnology Portfolio

Select Biotechnology Portfolio is a registered fund series of Fidelity Select Portfolios (series S000007486). Net assets $5.3B as of 2026-05-31.

## Profile

- Series ID: S000007486
- Registrant: Fidelity Select Portfolios
- LEI: FQDPG178WXRZSXLIRG32
- Net assets: $5.3B
- Total assets: $5.5B
- As of: 2026-05-31

## Advisers

- [FMR Investment Management (UK) Limited (Subadvisor)](https://search.stillhousedata.com/firm/108273)
- [Fidelity Management & Research Company LLC (Advisor)](https://search.stillhousedata.com/firm/108281)
- [Fidelity Management & Research (Hong Kong) Limited (Subadvisor)](https://search.stillhousedata.com/firm/148045)
- [Fidelity Management & Research (Japan) Limited (Subadvisor)](https://search.stillhousedata.com/firm/148239)

## Top holdings (200 reported)

_Showing 15 of 200 holdings by value._

| Holding | Ticker | Value | % of fund |
| --- | --- | --- | --- |
| [KRYSTAL BIOTECH INC](https://search.stillhousedata.com/security/501147102) | — | $557.1M | 1057.85% |
| [ABBVIE INC](https://search.stillhousedata.com/security/00287Y109) | — | $485.6M | 922.05% |
| [AMGEN INC](https://search.stillhousedata.com/security/031162100) | — | $343.9M | 652.97% |
| [GILEAD SCIENCES INC](https://search.stillhousedata.com/security/375558103) | — | $253.6M | 481.53% |
| [Fidelity Revere Street Trust](https://search.stillhousedata.com/security/31635A303) | — | $176.5M | 335.15% |
| [ALNYLAM PHARMACEUTICALS INC](https://search.stillhousedata.com/security/02043Q107) | — | $154.5M | 293.42% |
| [PRAXIS PRECISION MEDICINES INC.](https://search.stillhousedata.com/security/74006W207) | — | $130.0M | 246.84% |
| [INSMED INC](https://search.stillhousedata.com/security/457669307) | — | $118.6M | 225.19% |
| [ARGENX SE](https://search.stillhousedata.com/security/04016X101) | — | $118.2M | 224.54% |
| ASCENDIS PHARMA A/S | — | $107.7M | 204.45% |
| [REVOLUTION MEDICINES INC](https://search.stillhousedata.com/security/76155X100) | — | $106.3M | 201.88% |
| UCB SA | — | $105.1M | 199.52% |
| JAZZ PHARMACEUTICALS PLC | — | $97.1M | 184.33% |
| [SCHOLAR ROCK HOLDING CORP](https://search.stillhousedata.com/security/80706P103) | — | $81.4M | 154.51% |
| [NATERA INC](https://search.stillhousedata.com/security/632307104) | — | $74.1M | 140.63% |

## Net asset history

| Report date | Net assets |
| --- | --- |
| 2026-05-31 | $5.3B |
| 2026-02-28 | $5.4B |
| 2025-11-30 | $5.3B |
| 2025-08-31 | $4.2B |
| 2025-05-31 | $3.7B |
| 2025-02-28 | $4.3B |
| 2024-11-30 | $4.8B |
| 2024-08-31 | $5.0B |

## More

- [Registrant: Fidelity Select Portfolios](https://search.stillhousedata.com/registrant/320351)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/fund/S000007486.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.