MDY vs SPMD
State Street SPDR S&P MIDCAP 400 ETF Trust against State Street SPDR Portfolio S&P 400 Mid Cap ETF: cost, size, returns, what they hold and how much of it is the same.
Overlap by weight
99%
399 shared positions
Fee gap
20 bp
SPMD is cheaper
1-year return gap
0.1 pts
SPMD is ahead
Larger fund
MDY
$25.6B
Side by side
| MDY | SPMD | |
|---|---|---|
| Fund | State Street SPDR S&P MIDCAP 400 ETF Trust | State Street SPDR Portfolio S&P 400 Mid Cap ETF |
| Issuer | State Street SPDR | State Street SPDR |
| Category | Mid Cap Blend | Mid Cap Blend |
| Expense ratio | 0.23% | 0.03% |
| Assets | $25.6B | $18.3B |
| Average daily dollar volume | $454M | $104M |
| Listed | May 4, 1995 | Nov 8, 2005 |
| FrenzyCap score | 88 | 99 |
| 1-month return | −0.5% | −0.6% |
| 3-month return | −2.4% | −2.4% |
| Year to date | +11.0% | +11.1% |
| 1-year return | +11.5% | +11.6% |
| 30-day volatility | 11.5% | 11.6% |
| Worst drawdown, 1 year | −9.0% | −9.2% |
| Trailing 12-month yield | 1.05% | 1.30% |
| Holdings | 400 | 402 |
| Top 10 weight | 7.3% | 7.3% |
| Look-through P/E | 22.9 | 22.9 |
| Holdings vs fair value | +11.9% | +11.8% |
| Holdings above 200-day average | 48% | 48% |
| Net flow, latest 3 reported months | — | +$536M thru Jun 2026 |
| 30-day implied volatility | 15.9% | 19.0% |
| Holdings as of | as of Oct 8, 2026issuer data | as of Oct 8, 2026issuer data |
Returns are price returns and exclude distributions. Flows are each fund's own latest reported months and may not cover the same period.
Largest shared holdings
99% of MDY · 100% of SPMD| Holding | MDY | SPMD |
|---|---|---|
| OKTA | 1.06% | 1.07% |
| FTI | 0.79% | 0.80% |
| NVT | 0.77% | 0.78% |
| ATI | 0.74% | 0.75% |
| ENTG | 0.72% | 0.73% |
| UTHR | 0.66% | 0.67% |
| MTSI | 0.65% | 0.66% |
| SNX | 0.62% | 0.63% |
| XPO | 0.62% | 0.62% |
| USFD | 0.61% | 0.61% |
| THC | 0.61% | 0.61% |
| ROKU | 0.59% | 0.59% |
| RS | 0.59% | 0.59% |
| NTNX | 0.57% | 0.58% |
| RGLD | 0.57% | 0.57% |
| CRS | 0.56% | 0.56% |
| PR | 0.56% | 0.56% |
| WWD | 0.56% | 0.56% |
| CW | 0.54% | 0.55% |
| DINO | 0.54% | 0.55% |
| ROIV | 0.54% | 0.54% |
| ITT | 0.52% | 0.52% |
| LSCC | 0.52% | 0.52% |
| DT | 0.51% | 0.52% |
| MKSI | 0.51% | 0.52% |
Sector mix of the stock holdings
| Sector | MDY | SPMD | Gap |
|---|---|---|---|
| Industrials | 22.6% | 22.7% | −0.2% |
| Technology | 15.4% | 15.5% | −0.1% |
| Financials | 13.7% | 13.8% | −0.1% |
| Consumer Discretionary | 10.1% | 10.2% | −0.1% |
| Health Care | 9.2% | 9.2% | −0.1% |
| Materials | 8.1% | 8.2% | −0.1% |
| Real Estate | 7.5% | 7.6% | −0.1% |
| Utilities | 4.1% | 4.2% | −0.0% |
| Energy | 3.7% | 3.7% | −0.0% |
| Consumer Staples | 2.9% | 2.9% | −0.0% |
| Communication Services | 1.1% | 1.2% | −0.0% |
| Other | 0.3% | 0.3% | −0.0% |
More: full overlap table · MDY holdings · SPMD holdings
Fund data comes from each fund's SEC filings and issuer disclosures and is shown with the date it is as of. SEC portfolio and flow filings become public about 60 days after the period they cover. Nothing here is investment advice; see Terms.