BSTSX — BlackRock Technology Opportunities Fund
Data updated: 2026-07-27
BSTSX — BlackRock Technology Opportunities Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. United States Information Technology Equity · $8.63B AUM · 1.17% expense ratio · 23.1% 1-yr return. From SEC regulatory filings.
BSTSX Fund Overview
BSTSX — BlackRock Technology Opportunities Fund is a US mutual fund managed by Blackrock Funds, categorised as United States Information Technology Equity. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US mutual fund
- Manager: Blackrock Funds
- Category: United States Information Technology Equity
- Assets under management: $8.63B
- 1-year return: 23.1%
- Ticker: BSTSX
- SEC CIK: 0000844779
- SEC series ID: S000001510
- Share class ID: C000004063
BSTSX Holdings
Top 10 holdings of BlackRock Technology Opportunities Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| NVIDIA Corp. | 9.78% |
| Broadcom, Inc. | 7.46% |
| Sk Hynix, Inc. | 7.37% |
| Apple, Inc. | 5.40% |
| Samsung Electronics Co. Ltd. | 5.26% |
| Advanced Micro Devices, Inc. | 4.53% |
| Taiwan Semiconductor Manufacturing Company Ltd. | 4.40% |
| Lam Research Corp. | 4.39% |
| Microsoft Corp. | 4.11% |
| Alphabet, Inc. | 3.96% |
BSTSX Portfolio Allocation
Asset-class allocation of BlackRock Technology Opportunities Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Equity | 100.5% |
| Cash & Equivalents | 0.9% |
BSTSX Performance
Total returns for BSTSX (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 0.7% |
| 1 year | 23.1% |
| 3 years (annualised) | 29.5% |
| 5 years (annualised) | 7.5% |
BSTSX Risk Information
Risk metrics for BSTSX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 22.3%
BSTSX Costs and Fees
BSTSX costs about $117 per $10,000 invested per year in fund expenses.
- Net expense ratio: 1.17%
- Gross expense ratio: 1.21%
- Portfolio turnover: 52%
- Brokerage commissions: 1.80 bps of average net assets (SEC N-CEN)
BSTSX Cashflows
Over the 12 months to 2026-02, BlackRock Technology Opportunities Fund had net inflows of $160.18M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-02 | −$82.09M |
| 2026-01 | −$81.10M |
| 2025-12 | $333.01M |
| 2025-11 | −$26.96M |
| 2025-10 | −$84.92M |
| 2025-09 | −$140.15M |
BSTSX Debt Constituents
No individual debt constituents are reported in BlackRock Technology Opportunities Fund's latest SEC N-PORT filing.
BSTSX Prospectus and SEC Filings
Official BlackRock Technology Opportunities Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other United States Information Technology Equity funds tracked on ABC INVEST:
Data Sources
ABC INVEST compiles this page from public filings made to the U.S. Securities and Exchange Commission (SEC) through EDGAR: portfolio holdings and monthly cashflows from Form N-PORT, expenses and returns from fund prospectuses (Form 485BPOS) and the SEC DERA Risk/Return Summary data sets, annual data from Form N-CEN, and shareholder reports from Form N-CSR.