IMCB vs SPMD: Differences, Returns & Fees
IMCB and SPMD hold 5% of their weight in the same names, and IMCB returned +19.2% over the year. Net assets on Oct 20, 2026: $1.7bn for iShares Morningstar Mid-Cap ETF and $18.4bn for State Street SPDR Portfolio S&P 400 Mid Cap ETF.
SPMD costs 0.01 points a year less; their one-year returns differ by 5.7 points; SPMD is 10.7 times larger.
| IMCB | SPMD | |
|---|---|---|
| Expense ratio | 0.04% | 0.03% |
| Net assets | $1.7bn | $18.4bn |
| Total return, 1 year | +19.2% | +13.5% |
| What it tracks | Morningstar US Mid Cap Index | S&P MidCap 400 Index |
| Holdings in common | 5% | |
| Top ten holdings, share of the fund | 7.9% | 7.1% |
| Below its high | 3.3%, high on Aug 14, 2026 | 6.8%, high on Aug 14, 2026 |
Holdings in common uses holdings dated Oct 19, 2026.
IMCB and SPMD are built for the same job. How do they differ in cost, holdings and results?
- What each follows. IMCB follows Morningstar US Mid Cap Index and SPMD follows S&P MidCap 400 Index.
- Holdings in common. 5% of the weight is in the same securities (holdings dated Oct 19, 2026).
- One-year total return. Over 1 year to Oct 20, 2026 IMCB returned +19.2% and SPMD +13.5% with distributions reinvested, a gap of 5.7 points.
Data as of Oct 20, 2026. The differences are picked by a fixed rule, in a fixed order; the PDF prints it. Page 2 has the returns, overlap, risks and sources.
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What they hold in common
By the books each fund has filed, IMCB and SPMD hold 5% of their money in the same securities at the same weight. Holdings dated Oct 19, 2026.
half
5% in common
On the same fields
IMCB and SPMD on the fields both publish, as of Oct 20, 2026. Source: ETFIQ.
About IMCB
IMCB tracks an index. Over the year to Oct 20, 2026 it returned +19.2% with distributions reinvested. The prospectus expense ratio is 0.04% a year. By its holdings published by its issuer for Oct 19, 2026, 86% of the fund by weight is stocks the S&P 500 also holds, across 394 positions, with the top ten at 7.9%. It sat 3.3% below its high of Aug 14, 2026 on Oct 20, 2026.
About SPMD
SPMD tracks an index. Over the year to Oct 20, 2026 it returned +13.5% with distributions reinvested, against +13.4% for its benchmark, the S&P MidCap 400 Index. The prospectus expense ratio is 0.03% a year. By its holdings published by its issuer for Oct 19, 2026, 0% of the fund by weight is stocks the S&P 500 also holds, across 401 positions, with the top ten at 7.1%. It sat 6.8% below its high of Aug 14, 2026 on Oct 20, 2026.
Questions people ask
- Which returned more over the last year, IMCB or SPMD?
- In the year to Oct 20, 2026, with distributions reinvested, IMCB returned +19.2% and SPMD +13.5%.
- Which is cheaper, IMCB or SPMD?
- SPMD is cheaper, by 0.01 percentage points a year. That is about $1 on $10,000 held for a year. Fees come from each fund's prospectus.
ETFIQ links to the documents behind every figure; a link is not an endorsement. A comparison is not a recommendation.
How this is computed
Overlap adds up the smaller of the two weights for each security both funds hold.
Cite this pageCitation, APA and Markdown
ETFIQ, IMCB against SPMD, data as of Oct 20, 2026. https://etfiq.com/compare/any/imcb-vs-spmd
ETFIQ. (Oct 20, 2026). IMCB against SPMD. Retrieved from https://etfiq.com/compare/any/imcb-vs-spmd
[IMCB against SPMD (ETFIQ, Oct 20, 2026)](https://etfiq.com/compare/any/imcb-vs-spmd)
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