# State Street SPDR S&P MidCap 400 ETF Trust (MDY) — Holdings

MDY · NYSE · Fund

Canonical page: https://www.lighthorse.io/tickers/mdy/holdings

## Top holdings (as of Oct 15, 2026)

The 10 largest positions make up 7.5% of the fund. Want full holdings data source? [Register at AInvest](https://www.ainvest.com/etfs/NYSE-MDY/holdings/).

| Ticker | Weight |
| --- | --- |
| OKTA | 1.03% |
| U.S. Dollar | 0.91% |
| FTI | 0.80% |
| ATI | 0.75% |
| NVT | 0.73% |
| ENTG | 0.69% |
| UTHR | 0.68% |
| XPO | 0.64% |
| THC | 0.64% |
| USFD | 0.63% |

## Frequently Asked Questions

### What are the top holdings of MDY?

As of Oct 15, 2026, the largest positions in State Street SPDR S&P MidCap 400 ETF Trust are OKTA (1.0%), U.S. Dollar (0.9%), FTI (0.8%), ATI (0.8%), NVT (0.7%).

### How concentrated is MDY?

The 10 largest positions make up 7.5% of State Street SPDR S&P MidCap 400 ETF Trust, as reported on Oct 15, 2026.

---

Fund holdings are reported periodically and are a snapshot of a past date, not a live position list — what the fund holds today may differ. Weights cover only the largest positions shown, not the whole portfolio.

This page is for informational purposes only. Nothing on it is a recommendation, solicitation or offer to buy or sell any security, nor investment, legal or tax advice. Light Horse Securities Inc does not verify third-party data and is not responsible for its accuracy, completeness or timeliness.

Data provided by [AInvest](https://www.ainvest.com).