FLXSX — Fidelity Flex Small Cap Index Fund
Data updated: 2026-07-10
FLXSX — Fidelity Flex Small Cap Index Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. United States Small Cap Blend / Core Equity · $411.00M AUM · 0.00% expense ratio · 43.2% 1-yr return. From SEC regulatory filings.
FLXSX Fund Overview
FLXSX — Fidelity Flex Small Cap Index Fund is a US mutual fund managed by Fidelity Salem Street Trust, categorised as United States Small Cap Blend / Core Equity. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US mutual fund
- Manager: Fidelity Salem Street Trust
- Category: United States Small Cap Blend / Core Equity
- Assets under management: $411.00M
- 1-year return: 43.2%
- Ticker: FLXSX
- SEC CIK: 0000035315
- SEC series ID: S000056362
- Share class ID: C000177589
FLXSX Holdings
Top 10 holdings of Fidelity Flex Small Cap Index Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| Fidelity Revere Street Trust | 4.13% |
| Sanmina Corp. | 0.44% |
| Fidelity Revere Street Trust | 0.40% |
| Applied Optoelectronics, Inc. | 0.39% |
| Semtech Corp. | 0.36% |
| Oklo, Inc. | 0.33% |
| Viasat, Inc. | 0.33% |
| Axsome Therapeutics, Inc. | 0.32% |
| Applied Digital Corp. | 0.31% |
| Firstcash Holdings, Inc. | 0.31% |
FLXSX Portfolio Allocation
Asset-class allocation of Fidelity Flex Small Cap Index Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Equity | 99.2% |
| Cash & Equivalents | 4.5% |
FLXSX Performance
Total returns for FLXSX (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 13.0% |
| 1 year | 43.2% |
| 3 years (annualised) | 17.9% |
| 5 years (annualised) | 5.6% |
FLXSX Risk Information
Risk metrics for FLXSX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 15.4%
FLXSX Costs and Fees
FLXSX costs about $0 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.00%
- Gross expense ratio: 0.00%
- Portfolio turnover: 80%
- Brokerage commissions: 1.13 bps of average net assets (SEC N-CEN)
FLXSX Cashflows
Over the 12 months to 2026-04, Fidelity Flex Small Cap Index Fund had net outflows of $197.76M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-04 | $902.74K |
| 2026-03 | $5.88M |
| 2026-02 | $554.05K |
| 2026-01 | $3.12M |
| 2025-12 | $2.38M |
| 2025-11 | $3.31M |
FLXSX Debt Constituents
Largest debt holdings of Fidelity Flex Small Cap Index Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| Ust Bills | 0.02% |
FLXSX Prospectus and SEC Filings
Official Fidelity Flex Small Cap Index Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other United States Small Cap Blend / Core 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.