MDY vs SDY: how much do they overlap?
SPDR S&P MIDCAP 400 ETF Trust (MDY) · SPDR S&P Dividend ETF (SDY)
overlap by weight · 36 shared holdings
MDY: 400 holdings (as of 09-Jul-2026) · SDY: 156 holdings (as of 09-Jul-2026)
Low overlap
What this means
MDY and SDY hold mostly different stocks. Combining them genuinely spreads your exposure across different parts of the market.
Overlap by weight sums the smaller of the two funds' weights for every stock they both hold — it answers "how much of my money is in the same stocks either way?" See methodology.
Top shared holdings
| Company | Ticker | in MDY | in SDY |
|---|---|---|---|
| Rb Global Inc. | RBA | 0.58% | 0.57% |
| Lincoln Electric Holdings Inc. | LECO | 0.37% | 0.5% |
| Carlisle Companies Incorporated | CSL | 0.37% | 0.5% |
| Rpm International Inc. | RPM | 0.37% | 0.59% |
| Equity Lifestyle Properties Inc. | ELS | 0.34% | 0.56% |
| Graco Inc. | GGG | 0.34% | 0.48% |
| Essential Utilities Inc. | WTRG | 0.3% | 0.54% |
| Ryder System Inc. | R | 0.29% | 0.45% |
| Umb Financial Corporation | UMBF | 0.29% | 0.45% |
| Donaldson Company Inc. | DCI | 0.28% | 0.47% |
FAQ
How much do MDY and SDY overlap?
MDY and SDY have a 8.3% overlap by weight, sharing 36 holdings (out of 400 in MDY and 156 in SDY), based on official issuer holdings as of 09-Jul-2026.
What does 8.3% overlap mean?
MDY and SDY hold mostly different stocks. Combining them genuinely spreads your exposure across different parts of the market.
Which stocks do MDY and SDY both hold?
The largest shared positions are Rb Global Inc., Lincoln Electric Holdings Inc., Carlisle Companies Incorporated, Rpm International Inc., Equity Lifestyle Properties Inc.. The full list of top shared holdings with weights in each fund is shown on this page.