MDY vs SCHB: Holdings Overlap
MDYState Street® SPDR® S&P MIDCAP 400® ETF Trust
State Street (SPDR) · 399 holdings · $27.1B · as of 2026-08-06
SCHBSchwab U.S. Broad Market ETF
Schwab · 2407 holdings · $44.7B · as of 2026-05-31
Holdings snapshots are 67 days apart (MDY: 2026-08-06, SCHB: 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 SCHB?
State Street® SPDR® S&P MIDCAP 400® ETF Trust (MDY, by State Street (SPDR)) holds 399 positions; Schwab U.S. Broad Market ETF (SCHB, by Schwab) holds 2407. They have 399 holdings in common, and by portfolio weight the two funds are 4.8% identical. In practical terms the pair is essentially distinct, holding almost none of the same securities.
- Overlap by Weight
- 4.8%Sum of the smaller weight of each shared holding
- Shared Holdings
- 399MDY holds 399 · SCHB holds 2407
- Weight in Shared Holdings
- MDY 105%·SCHB 5%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
Every position in MDY is also held by SCHB, so it brings nothing the other fund doesn’t already own.
Sector Breakdown
| Sector | MDY | SCHB |
|---|---|---|
| Information Technology | 15.6% | 36.4% |
| Industrials | 25.9% | 9.6% |
| Financials | 16.0% | 11.6% |
| Consumer Discretionary | 11.6% | 9.7% |
| Health Care | 10.3% | 8.7% |
| Other Sectors | 25.7% | 23.8% |
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% |
| SCHB | +3.3% | +14.6% | +24.0% | +20.9% | +12.4% | +14.9% | 1.00% |
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 SCHB →
Shared Holdings(399)
The top 10 shared positions account for 7% of the overlap, led by TWLO, FTI and CW.
 TWLOTwilio Inc. Class A | 0.80% | 0.04% | 0.04% |
|---|---|---|---|
 FTITechnipFMC plc | 0.76% | 0.04% | 0.04% |
 CWCurtiss-Wright Corporation | 0.72% | 0.04% | 0.04% |
 NVTnVent Electric plc | 0.72% | 0.04% | 0.04% |
 STRLSterling Infrastructure Inc. | 0.45% | 0.04% | 0.04% |
 XPOXPO Inc. | 0.63% | 0.03% | 0.03% |
 PEverpure Inc. Class A | 0.75% | 0.03% | 0.03% |
 ILMNIllumina Inc. | 0.80% | 0.03% | 0.03% |
 UTHRUnited Therapeutics Corporation | 0.62% | 0.03% | 0.03% |
 ATIATI Inc | 0.83% | 0.03% | 0.03% |
 MTSIMACOM Technology Solutions Holdings Inc. | 0.54% | 0.03% | 0.03% |
 CRSCarpenter Technology Corporation | 0.76% | 0.03% | 0.03% |
 FNFabrinet | 0.53% | 0.03% | 0.03% |
 MTZMasTec Inc. | 0.44% | 0.03% | 0.03% |
 NXTNextpower Inc. Class A | 0.40% | 0.03% | 0.03% |
 MKSIMKS Inc. | 0.54% | 0.03% | 0.03% |
 OKTAOkta Inc. Class A | 0.66% | 0.03% | 0.03% |
 ENTGEntegris Inc. | 0.59% | 0.03% | 0.03% |
 WWDWoodward Inc. | 0.60% | 0.03% | 0.03% |
 LSCCLattice Semiconductor Corporation | 0.48% | 0.03% | 0.03% |
 BURLBurlington Stores Inc. | 0.64% | 0.03% | 0.03% |
 AAAlcoa Corporation | 0.68% | 0.03% | 0.03% |
 CDECoeur Mining Inc. | 0.44% | 0.03% | 0.03% |
 RSReliance Inc. | 0.58% | 0.03% | 0.03% |
 RBARB Global Inc. | 0.47% | 0.03% | 0.03% |
Showing the top 250 of 399 shared holdings by overlap weight.
Frequently Asked Questions
How much do MDY and SCHB overlap?
MDY and SCHB overlap by 4.8% of portfolio weight. They share 399 holdings (MDY holds 399 positions and SCHB holds 2407), based on each fund's latest SEC-reported holdings.
Is it redundant to own both MDY and SCHB?
The two portfolios are 4.8% identical by weight. Owning both is genuine diversification: the funds hold almost none of the same securities.
What are the biggest shared holdings of MDY and SCHB?
The largest positions held by both funds are TWLO, FTI, CW, NVT and STRL. Together the top 10 shared positions account for 7% of the total overlap.
What does MDY own that SCHB doesn't?
Nothing. Every position in MDY is also held by SCHB. In the other direction, 2008 positions (95.0% of SCHB) are unique to SCHB.