What Is FMDE? Fidelity Enhanced Mid Cap Core ETF
Last updated July 2026
Short answer
FMDE is Fidelity Enhanced Mid Cap Core ETF, an ETF that tracks a US mid-cap equity index at a 0.23% expense ratio. FMDE tracks a US mid-cap equity index. Holdings are spread widely, with the ten largest coming to about 8% of assets. It charges 0.23%. The distribution yield is about 1.08%. It launched in 2007.
FMDE is issued by Fidelity and tracks a US mid-cap equity index. It charges a 0.23% expense ratio, holds approximately $7.4B in assets under management, yields about 1.08%, and launched in 2007.
What is FMDE?
FMDE is Fidelity Enhanced Mid Cap Core ETF, an ETF that tracks a US mid-cap equity index at a 0.23% expense ratio. FMDE tracks a US mid-cap equity index. Holdings are spread widely, with the ten largest coming to about 8% of assets. It charges 0.23%. The distribution yield is about 1.08%. It launched in 2007.
FMDE is issued by Fidelity and tracks a US mid-cap equity index, so a single ticker gives you the whole portfolio of underlying holdings weighted by the index's methodology rather than by any active stock-picking.
What does FMDE hold?
FMDE is weighted toward its largest constituents. As of August 2026, the top holdings are:
| Rank | Ticker | Company | % of FMDE | |
|---|---|---|---|---|
| 1 | TER | Teradyne Inc | 1.1% | |
| 2 | KEYS | Keysight Technologies Inc | 1.0% | |
| 3 | FIX | Comfort Systems USA Inc | 1.0% | |
| 4 | BNY | Bank of New York Mellon Corp | 1.0% | |
| 5 | HWM | Howmet Aerospace Inc | 1.0% | |
| 6 | LHX | L3Harris Technologies Inc | 1.0% | |
| 7 | HUM | Humana Inc | 0.9% | |
| 8 | ALL | Allstate Corp | 0.9% |
The remaining holdings make up the balance of the fund, with weights tapering off below the top names. Because the index reconstitutes on a rolling basis, the roster stays current without active management. Each ticker above links to its individual stock guide in Walnut.
How do I invest in FMDE?
There are three common ways to get FMDE exposure. Buy shares (or fractional shares) of FMDE directly at any major broker that lists it. Hold it as a core position and layer more concentrated ideas on top. Or build it into a thematic portfolio in Walnut, so FMDE sits alongside other holdings that express the same thesis, with target weights you can rebalance toward. FMDE trades like a stock during market hours, so you buy it the same way you would any listed share.
New to buying funds? See how to buy an ETF, step by step.
Is FMDE a good buy?
Whether FMDE is a good buy depends less on any single call and more on your time horizon and what you already hold: it tracks a US mid-cap equity index, so the real question is whether you want that exposure in your mix and at what weight. We walk through valuation, concentration, and what would have to be true for it to outperform from here in is FMDE a buy?
The bottom line on FMDE
FMDE gives you a US mid-cap equity index exposure in one ticker at a 0.23% expense ratio. Most investors use it as a core holding and layer more concentrated thematic portfolios on top.
More on FMDE
Whether FMDE is worth buying today depends more on your time horizon and what you already hold than on any single call. We walk through valuation, concentration, and what would have to be true for it to outperform from here in is FMDE a buy?
FMDE yields 1.08% as of August 2026, paid by passing through the dividends of its underlying holdings. For the payout schedule, history, and how the distributions are taxed, see FMDE dividend: yield and schedule.
New to funds like FMDE? Start with what an ETF is, then how to buy an ETF, or browse the full guide to ETF investing.
Wondering how FMDE fits the portfolio you already own? Walnut is an AI investing app that connects your brokerage read-only and answers questions like that about your actual holdings: overlap, concentration, and how each position tracks the S&P 500. Compare the best AI portfolio analyzers or see the best AI investing apps in 2026.
Investing in FMDE with AI
Connect the broker you already use and ask Walnut's AI how FMDE fits what you actually hold: what it overlaps with, what it leaves you exposed to, and how it has tracked the S&P 500. Read-only by default, and you approve anything before it reaches your broker.
FAQ
What is FMDE's ticker symbol?
+
FMDE, Fidelity Enhanced Mid Cap Core ETF. Issued by Fidelity; tracks a US mid-cap equity index. Trades during US market hours, available at every major US brokerage.
What is FMDE's expense ratio?
+
0.23% as of August 2026.
What are FMDE's top holdings?
+
Top holdings as of August 2026: TER, KEYS, FIX, BNY, HWM and others. See the full holdings table above.
How can I invest in FMDE through Walnut?
+
Walnut isn't a broker. Connect a brokerage and Walnut sits on top to help you build and track thematic portfolios. FMDE can be a constituent alongside individual stocks.
How do I compare FMDE to similar ETFs?
+
Put a few fields side by side: the expense ratio (fees compound over decades), the index or strategy it tracks, the top holdings and how much they overlap with what you already own, the dividend yield, and the AUM, liquidity, and bid-ask spread that affect trading costs. For index funds, tracking error (how closely it follows its index) and tax efficiency matter too. FMDE's figures are above; the full method is in Walnut's guide on how to compare ETFs.
Related ETFs
Walnut is informational, not investment advice. Holdings weights and fund statistics on this page are approximations stamped to August 2026; verify current figures against Fidelity's fund page or your broker before investing.