Fidelity SAI U.S. Momentum Index Fund
U.S. stock index fund · tracks MSCI USA Custom Momentum Composite Index
As of its 2026 Q2 report, Fidelity SAI U.S. Momentum Index Fund held 159 positions with $8.13B in net assets. Its ten largest holdings made up 42.8% of the fund. The FUMIX share class costs 0.11% a year. Over the 12 months to May 2026, FUMIX returned 31.9%, with dividends reinvested. In 2026 Q3 it added 79 new positions and exited 49.
Fidelity SAI U.S. Momentum Index Fund seeks to provide investment results that correspond to the total return of U.S. stocks with high price momentum.
The fund tracks the Fidelity U.S. Large Cap Momentum Focus Index (effective October 31, 2025), which selects large and mid-cap U.S. stocks based on price and earnings momentum metrics from the 1,000 largest U.S. companies by market capitalization. The fund normally invests at least 80% of assets in index constituents and may use derivatives to gain exposure to those securities or their underlying risk factors. The fund also lends securities to generate additional income.
What you own
| Company | Weight | Value | Shares | Reported price |
|---|---|---|---|---|
GOOGLALPHABET INC | 9.25% | $751.97M | 2.0M | $384.80 |
NVDANVIDIA CORP | 9.02% | $732.95M | 3.7M | $199.57 |
4.17% | $339.12M | 655.7K | $517.16 | |
4.02% | $326.91M | 922.2K | $354.49 | |
3.27% | $265.96M | 1.2M | $229.85 | |
AAPLAPPLE INC | 3.07% | $249.36M | 919.0K | $271.35 |
3.03% | $246.45M | 276.9K | $890.11 | |
2.49% | $202.11M | 2.2M | $91.50 | |
2.28% | $185.50M | 719.4K | $257.86 | |
2.20% | $178.66M | 452.9K | $394.49 |
Reported price is the fund's own reported value divided by its own reported shares at 2026-04-30 — not a live quote, and not what the fund paid.
All 159 holdings, with the share counts as filed, open with a free account.
What the fund is made of
Percentages are of fund net assets. Rounding, liabilities and short positions can make totals differ from 100%.
| Stocks | 99.81% |
| Cash & short-term | 0.30% |
| Bonds | 0.02% |
| Derivatives | 0.02% |
Derivatives are shown at market value, not notional exposure.
By sector
- Information Technology
- 37.8%
- Industrials
- 13.9%
- Communication Services
- 9.1%
- Financials
- 8.3%
- 11 other sectors
- 30.9%
- Information Technology
- 37.8%
- Industrials
- 13.9%
- Communication Services
- 9.1%
- Financials
- 8.3%
- Energy
- 7.5%
- Health Care
- 7.5%
- Consumer Discretionary
- 4.7%
- International
- 2.8%
- Real Estate
- 2.6%
- Materials
- 2.0%
- Utilities
- 1.9%
- Consumer Staples
- 1.6%
- Cash
- 0.1%
- Government
- 0.1%
- Other
- 0.0%
How it has done
FUMIX share class · total returns with dividends reinvested
Volatility over the last 12 months: 19.61%. Past returns are a record, not a forecast.
Jun 2026 and Jul 2026 have been filed since the trailing figures were struck, so they are not in the table above or the curve — every figure here shares one cut-off, which is what makes them comparable with other funds.
Fees & fund details
Fidelity SAI U.S. Momentum Index Fund is a U.S. equity index fund that tracks the MSCI USA Custom Momentum Composite Index. 25% of FUMIX’s stock holdings are in companies whose revenue grew in the top quartile of U.S. companies over the last five fiscal years (covering 97% of the fund’s equity).
- Asset class
- Equity
- Region
- United States
- Management
- Index (passive)
- Fund type
- Open-end fund
- Expense ratio, by class
- 0.11%· FUMIX 0.11%
- Portfolio turnover
- 143.00% a year · as of 2025 Q3
Turnover is how much of the portfolio was replaced in a year.
Classified from what the fund holds, not from its name · 2026 Q2. The summary is a paraphrase of the prospectus; the objective is verbatim.
What changed this quarter
Positions that entered or left the fund since its previous filing. Positions that were only resized are not listed.
79 new· the largest 8
49 exited· the largest 8
Debt profile
What this fund holds — value-weighted across its bond and securitized long positions · as of 2026-04-30
Share of the fund's debt by how its coupon behaves — the fact that decides whether a rate move reaches this portfolio at all.
| Fixed rate | 100.0% |
Share of the fund's debt value in each maturity band, shortest first.
| <1y | 100.0% |
Based on what filers reported; a filer that never reported a flag also reads as none.
Understand how this fund fits with the rest.
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