FZFLX — Fidelity SAI Small-Mid Cap 500 Index Fund
Data updated: 2026-06-26
FZFLX — Fidelity SAI Small-Mid Cap 500 Index Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. United States Mid Cap Blend / Core Equity · $4.27B AUM · 0.05% expense ratio · 50.7% 1-yr return. From SEC regulatory filings.
FZFLX Fund Overview
FZFLX — Fidelity SAI Small-Mid Cap 500 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: $4.27B
- 1-year return: 50.7%
- Ticker: FZFLX
- SEC CIK: 0000035315
- SEC series ID: S000050321
- Share class ID: C000158877
FZFLX Holdings
Top 10 holdings of Fidelity SAI Small-Mid Cap 500 Index Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| Sandisk Corp/de | 3.45% |
| Ciena Corp. | 2.13% |
| Comfort Systems USA, Inc. | 2.02% |
| Lumentum Holdings, Inc. | 1.91% |
| Coherent Corp. | 1.83% |
| Flex Ltd. | 1.65% |
| Fabrinet | 1.45% |
| Casey's General Stores, Inc. | 1.41% |
| Rocket Lab Corp. | 1.39% |
| Mastec, Inc. | 1.38% |
FZFLX Portfolio Allocation
Asset-class allocation of Fidelity SAI Small-Mid Cap 500 Index Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Equity | 99.8% |
| Cash & Equivalents | 1.4% |
FZFLX Performance
Total returns for FZFLX (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 24.8% |
| 1 year | 50.7% |
| 3 years (annualised) | 21.3% |
| 5 years (annualised) | 9.8% |
FZFLX Risk Information
Risk metrics for FZFLX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 17.6%
FZFLX Costs and Fees
FZFLX costs about $5 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.05%
- Gross expense ratio: 0.13%
- Portfolio turnover: 9%
- Brokerage commissions: 0.50 bps of average net assets (SEC N-CEN)
FZFLX Cashflows
Over the 12 months to 2026-04, Fidelity SAI Small-Mid Cap 500 Index Fund had net inflows of $2.88B, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-04 | $391.66K |
| 2026-03 | $513.85M |
| 2026-02 | $1.18B |
| 2026-01 | $974.48M |
| 2025-12 | $770.07M |
| 2025-11 | −$798.84K |
FZFLX Debt Constituents
Largest debt holdings of Fidelity SAI Small-Mid Cap 500 Index Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| Ust Bills | 0.00% |
FZFLX Prospectus and SEC Filings
Official Fidelity SAI Small-Mid Cap 500 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.