MDY vs SCHM: Holdings Overlap
MDYState Street® SPDR® S&P MIDCAP 400® ETF Trust
State Street (SPDR) · 399 holdings · $27.1B · as of 2026-08-06
Schwab · 496 holdings · $15.1B · as of 2026-05-31
Holdings snapshots are 67 days apart (MDY: 2026-08-06, SCHM: 2026-05-31). Weights and index membership change between snapshots, so the true current overlap is typically higher than shown. For funds tracking the same index, the gap can be 5–15 points.
How similar are MDY and SCHM?
State Street® SPDR® S&P MIDCAP 400® ETF Trust (MDY, by State Street (SPDR)) holds 399 positions; Schwab U.S. Mid-Cap ETF (SCHM, by Schwab) holds 496. They have 297 holdings in common, and by portfolio weight the two funds are 53.6% identical. In practical terms the pair is moderately overlapping; they share a meaningful core, but each fund adds distinct exposure.
- Overlap by Weight
- 53.6%Sum of the smaller weight of each shared holding
- Shared Holdings
- 297MDY holds 399 · SCHM holds 496
- Weight in Shared Holdings
- MDY 87%·SCHM 54%Share of each fund's weight in stocks both funds own
Based on each fund's latest official holdings. How is this calculated?
What makes each fund different
Only in MDY
102 of 399 positions (18.6% of the fund) are not held by SCHM. Showing the top 30 by weight.
Sector Breakdown
| Sector | MDY | SCHM |
|---|---|---|
| Industrials | 25.9% | 22.5% |
| Information Technology | 15.6% | 20.2% |
| Financials | 16.0% | 11.7% |
| Consumer Discretionary | 11.6% | 9.5% |
| Health Care | 10.3% | 10.8% |
| Other Sectors | 25.7% | 25.0% |
Share of each fund's portfolio weight by GICS-style sector, compiled from issuer fund data and our own classification of the holdings, not the issuers' published sector charts.
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| MDY | +3.1% | +18.1% | +25.6% | +14.2% | +8.8% | +10.9% | 0.99% |
| SCHM | +1.6% | +20.7% | +28.9% | +15.8% | +8.2% | +11.2% | 1.22% |
Total returns including dividends, from adjusted daily closes as of 2026-08-07. 3Y/5Y/10Y are annualized. Yield is trailing-12-month distributions over the last close. Past performance does not predict future results.
Project the growth of $10,000 in MDY vs SCHM →
Shared Holdings(297)
The top 10 shared positions account for 9% of the overlap, led by TWLO, FTI and CW.
 TWLOTwilio Inc. Class A | 0.80% | 0.54% | 0.54% |
|---|---|---|---|
 FTITechnipFMC plc | 0.76% | 0.51% | 0.51% |
 CWCurtiss-Wright Corporation | 0.72% | 0.51% | 0.51% |
 NVTnVent Electric plc | 0.72% | 0.50% | 0.50% |
 XPOXPO Inc. | 0.63% | 0.47% | 0.47% |
 STRLSterling Infrastructure Inc. | 0.45% | 0.49% | 0.45% |
 UTHRUnited Therapeutics Corporation | 0.62% | 0.44% | 0.44% |
 ATIATI Inc | 0.83% | 0.44% | 0.44% |
 MTSIMACOM Technology Solutions Holdings Inc. | 0.54% | 0.44% | 0.44% |
 FNFabrinet | 0.53% | 0.43% | 0.43% |
 CRSCarpenter Technology Corporation | 0.76% | 0.43% | 0.43% |
 MTZMasTec Inc. | 0.44% | 0.43% | 0.43% |
 MKSIMKS Inc. | 0.54% | 0.40% | 0.40% |
 NXTNextpower Inc. Class A | 0.40% | 0.43% | 0.40% |
 ENTGEntegris Inc. | 0.59% | 0.39% | 0.39% |
 OKTAOkta Inc. Class A | 0.66% | 0.39% | 0.39% |
 WWDWoodward Inc. | 0.60% | 0.39% | 0.39% |
 BURLBurlington Stores Inc. | 0.64% | 0.37% | 0.37% |
 LSCCLattice Semiconductor Corporation | 0.48% | 0.37% | 0.37% |
 AAAlcoa Corporation | 0.68% | 0.37% | 0.37% |
 CDECoeur Mining Inc. | 0.44% | 0.37% | 0.37% |
 RSReliance Inc. | 0.58% | 0.37% | 0.37% |
 RBARB Global Inc. | 0.47% | 0.37% | 0.37% |
 SNXTD SYNNEX Corporation | 0.53% | 0.36% | 0.36% |
 RGLDRoyal Gold Inc. | 0.49% | 0.34% | 0.34% |
Showing the top 250 of 297 shared holdings by overlap weight.
Frequently Asked Questions
How much do MDY and SCHM overlap?
MDY and SCHM overlap by 53.6% of portfolio weight. They share 297 holdings (MDY holds 399 positions and SCHM holds 496), based on each fund's latest SEC-reported holdings.
Is it redundant to own both MDY and SCHM?
The two portfolios are 53.6% identical by weight. Owning both is defensible: they share a meaningful core, but each fund adds exposure the other lacks.
What are the biggest shared holdings of MDY and SCHM?
The largest positions held by both funds are TWLO, FTI, CW, NVT and XPO. Together the top 10 shared positions account for 9% of the total overlap.
What does MDY own that SCHM doesn't?
102 positions (18.6% of MDY) are unique to MDY, led by ILMN, P and SN. In the other direction, 199 positions (46.2% of SCHM) are unique to SCHM.