Investment objective & strategy
As of June 24, 2025 · prospectusObjective. Fidelity Mid Cap Index Fund seeks to provide investment results that correspond to the total return of stocks of mid-capitalization United States companies.
Strategy. Normally investing at least 80% of assets in securities included in the Russell Midcap Index. The Russell Midcap Index is a market capitalization-weighted index of medium-capitalization U.S. company stocks. Effective December 11, 2025, derivative instruments that provide investment exposure to the investments above or exposure to one or more market risk factors associated with such investments are included in the fund's 80% policy, consistent with the fund's investment policies and limitations with respect to investments in derivatives. Lending securities to earn income for the fund. Normally investing at least 80% of assets in securities included in the Russell Midcap Index. The Russell Midcap Index is a market capitalization-weighted index of medium-capitalization U.S. company stocks. Effective December 11, 2025, derivative instruments that provide investment exposure to the investments above or exposure to one or more market risk factors associated with such investments are included in the fund's 80% policy, consistent with the fund's investment policies and limitations with respect to investments in derivatives. Lending securities to earn income for the fund.
Top holdings
As of Jan. 31, 2026 · N-PORT| Security | Ticker | Value | % of fund |
|---|---|---|---|
| Fidelity Securities Lending Cash Central Fund | — | $650.68M | 1.39% |
| WESTERN DIGITAL CORP | — | $309.76M | 0.66% |
| BANK OF NEW YORK MELLON CORP | — | $304.45M | 0.65% |
| HOWMET AEROSPACE INC | — | $303.59M | 0.65% |
| ROYAL CARIBBEAN CRUISES LTD | — | $299.28M | 0.64% |
| CORNING INC | — | $293.31M | 0.63% |
| CUMMINS INC | — | $289.84M | 0.62% |
| SANDISK CORPORATION | — | $282.76M | 0.60% |
| ROBINHOOD MARKETS INC | — | $267.88M | 0.57% |
| VERTIV HOLDINGS CO | — | $257.72M | 0.55% |
Portfolio moves
Oct 31, 2025 → Jan 31, 2026How many positions this fund opened, exited, grew, trimmed, or left unchanged between its two most recent N-PORT snapshots — net changes between point-in-time reports, not a trade log.
Similar funds
Funds whose portfolios most overlap this one, by weight| Fund | Overlap | Net exp. |
|---|---|---|
| Schwab U.S. Mid-Cap Index Fund · SWMCX | 98% | 0.04% |
| iShares Russell Mid-Cap Index Fund | 97% | 0.04% |
| Venerable Mid Cap Index Fund | 92% | 0.40% |
Advisers
| Firm | Role |
|---|---|
| Fidelity Management & Research Company LLC | Adviser |
| Geode Capital Management, LLC | Sub-adviser |
Footnotes
- Expense ratio as of June 24, 2025, from the fund's prospectus.
- Net assets and holdings count as of January 31, 2026, from the fund's N-PORT filing.
- Total return for calendar year 2025, before tax and after fund expenses. Computed by compounding the twelve monthly total returns the fund reported in its SEC N-PORT filings for 2025 (the latest prospectus does not yet chart this year).
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