FLAPX — Fidelity Flex Mid Cap Index Fund
Data updated: 2026-07-10
FLAPX — Fidelity Flex Mid Cap Index Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. United States Mid Cap Blend / Core Equity · $605.61M AUM · 0.00% expense ratio · 33.5% 1-yr return. From SEC regulatory filings.
FLAPX Fund Overview
FLAPX — Fidelity Flex Mid Cap Index Fund is a US mutual fund managed by Fidelity Salem Street Trust, categorised as United States Mid 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 Mid Cap Blend / Core Equity
- Assets under management: $605.61M
- 1-year return: 33.5%
- Ticker: FLAPX
- SEC CIK: 0000035315
- SEC series ID: S000056358
- Share class ID: C000177585
FLAPX Holdings
Top 10 holdings of Fidelity Flex Mid 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 | 2.52% |
| Astera Labs, Inc. | 0.62% |
| Fabrinet | 0.59% |
| Nvent Electric PLC | 0.55% |
| Everpure, Inc. | 0.54% |
| Bwx Technologies, Inc. | 0.47% |
| Mks, Inc. | 0.46% |
| Loews Corp. | 0.46% |
| Rbc Bearings, Inc. | 0.45% |
| Reddit, Inc. | 0.45% |
FLAPX Portfolio Allocation
Asset-class allocation of Fidelity Flex Mid Cap Index Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Equity | 99.6% |
| Cash & Equivalents | 2.9% |
FLAPX Performance
Total returns for FLAPX (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 11.6% |
| 1 year | 33.5% |
| 3 years (annualised) | 18.6% |
| 5 years (annualised) | 9.0% |
FLAPX Risk Information
Risk metrics for FLAPX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 12.2%
FLAPX Costs and Fees
FLAPX costs about $0 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.00%
- Gross expense ratio: 0.00%
- Portfolio turnover: 89%
- Brokerage commissions: 0.65 bps of average net assets (SEC N-CEN)
FLAPX Cashflows
Over the 12 months to 2026-04, Fidelity Flex Mid Cap Index Fund had net outflows of $49.88M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-04 | $1.64M |
| 2026-03 | $6.15M |
| 2026-02 | −$1.85M |
| 2026-01 | $5.62M |
| 2025-12 | $5.61M |
| 2025-11 | $7.59M |
FLAPX Debt Constituents
Largest debt holdings of Fidelity Flex Mid Cap Index Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| Ust Bills | 0.02% |
FLAPX Prospectus and SEC Filings
Official Fidelity Flex Mid Cap Index Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other United States Mid 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.