# BlackRock Health Sciences Opportunities Portfolio

BlackRock Health Sciences Opportunities Portfolio is a registered fund series of BlackRock Funds (series S000001877). Net assets $5.9B as of 2026-05-29.

## Profile

- Series ID: S000001877
- Registrant: BlackRock Funds
- LEI: VN6DJGBO8DKY0GTM4883
- Net assets: $5.9B
- Total assets: $6.0B
- As of: 2026-05-29

## Advisers

- [BlackRock Advisors, LLC (Advisor)](https://search.stillhousedata.com/firm/106614)

## Top holdings (155 reported)

_Showing 15 of 155 holdings by value._

| Holding | Ticker | Value | % of fund |
| --- | --- | --- | --- |
| [ELI LILLY & COMPANY](https://search.stillhousedata.com/security/532457108) | LLY | $725.6M | 1228.60% |
| [JOHNSON & JOHNSON](https://search.stillhousedata.com/security/478160104) | JNJ | $518.1M | 877.23% |
| [UNITEDHEALTH GROUP INC](https://search.stillhousedata.com/security/91324P102) | UNH | $360.3M | 610.09% |
| [MERCK & COMPANY INC](https://search.stillhousedata.com/security/58933Y105) | MRK | $291.6M | 493.80% |
| [GILEAD SCIENCES INC](https://search.stillhousedata.com/security/375558103) | GILD | $247.5M | 419.12% |
| [ABBVIE INC](https://search.stillhousedata.com/security/00287Y109) | ABBV | $232.5M | 393.72% |
| [AMGEN INC](https://search.stillhousedata.com/security/031162100) | AMGN | $198.8M | 336.57% |
| [THERMO FISHER SCIENTIFIC INC](https://search.stillhousedata.com/security/883556102) | TMO | $178.5M | 302.16% |
| [VERTEX PHARMACEUTICALS INC](https://search.stillhousedata.com/security/92532F100) | VRTX | $162.0M | 274.25% |
| [PFIZER INC](https://search.stillhousedata.com/security/717081103) | PFE | $154.4M | 261.49% |
| [EDWARDS LIFESCIENCES CORP](https://search.stillhousedata.com/security/28176E108) | EW | $147.9M | 250.51% |
| [DANAHER CORP](https://search.stillhousedata.com/security/235851102) | DHR | $117.8M | 199.54% |
| [ABBOTT LABORATORIES](https://search.stillhousedata.com/security/002824100) | ABT | $116.6M | 197.39% |
| [INTUITIVE SURGICAL INC](https://search.stillhousedata.com/security/46120E602) | ISRG | $115.3M | 195.16% |
| [TEVA PHARMACEUTICAL INDUSTRIES LTD](https://search.stillhousedata.com/security/881624209) | TEVA | $110.2M | 186.67% |

## Net asset history

| Report date | Net assets |
| --- | --- |
| 2026-05-29 | $5.9B |
| 2026-02-27 | $6.5B |
| 2025-11-28 | $6.8B |
| 2025-08-29 | $6.2B |
| 2025-05-30 | $6.5B |
| 2025-02-28 | $7.5B |
| 2024-11-29 | $8.0B |
| 2024-08-30 | $8.7B |

## More

- [Registrant: BlackRock Funds](https://search.stillhousedata.com/registrant/844779)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/fund/S000001877.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.