FUMIX — Fidelity SAI U.S. Momentum Index Fund
Data updated: 2026-06-26
FUMIX — Fidelity SAI U.S. Momentum Index Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. United States Large Cap Growth Equity · $8.13B AUM · 0.11% expense ratio · 30.3% 1-yr return. From SEC regulatory filings.
FUMIX Fund Overview
FUMIX — Fidelity SAI U.S. Momentum Index Fund is a US mutual fund managed by Fidelity Salem Street Trust, categorised as United States Large Cap Growth 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 Large Cap Growth Equity
- Assets under management: $8.13B
- 1-year return: 30.3%
- Ticker: FUMIX
- SEC CIK: 0000035315
- SEC series ID: S000056275
- Share class ID: C000177148
FUMIX Holdings
Top 10 holdings of Fidelity SAI U.S. Momentum Index Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| Alphabet, Inc. | 9.25% |
| NVIDIA Corp. | 9.02% |
| Micron Technology, Inc. | 4.17% |
| Advanced Micro Devices, Inc. | 4.02% |
| JOHNSON and JOHNSON | 3.27% |
| Apple, Inc. | 3.07% |
| Caterpillar, Inc. | 3.03% |
| Cisco Systems, Inc. | 2.49% |
| Lam Research Corp. | 2.28% |
| Applied Materials, Inc. | 2.20% |
FUMIX Portfolio Allocation
Asset-class allocation of Fidelity SAI U.S. Momentum Index Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Equity | 99.8% |
| Cash & Equivalents | 0.3% |
FUMIX Performance
Total returns for FUMIX (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 12.5% |
| 1 year | 30.3% |
| 3 years (annualised) | 26.9% |
| 5 years (annualised) | 14.2% |
FUMIX Risk Information
Risk metrics for FUMIX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 19.1%
FUMIX Costs and Fees
FUMIX costs about $11 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.11%
- Gross expense ratio: 0.11%
- Portfolio turnover: 143%
- Brokerage commissions: 0.30 bps of average net assets (SEC N-CEN)
FUMIX Cashflows
Over the 12 months to 2026-04, Fidelity SAI U.S. Momentum Index Fund had net inflows of $2.66B, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-04 | −$14.45M |
| 2026-03 | $24.65M |
| 2026-02 | $383.05M |
| 2026-01 | $322.63M |
| 2025-12 | $844.26M |
| 2025-11 | $761.65M |
FUMIX Debt Constituents
Largest debt holdings of Fidelity SAI U.S. Momentum Index Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| Ust Bills | 0.02% |
FUMIX Prospectus and SEC Filings
Official Fidelity SAI U.S. Momentum Index Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other United States Large Cap Growth 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.