MDYG vs VTI: Holdings Overlap
MDYGState Street® SPDR® S&P 400™ Mid Cap Growth ETF
State Street (SPDR) · 245 holdings · $2.9B · as of 2026-08-06
VTIVanguard Total Stock Market Index Fund
Vanguard · 3505 holdings · $696.4B · as of 2026-03-31
Holdings snapshots are 128 days apart (MDYG: 2026-08-06, VTI: 2026-03-31). 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 MDYG and VTI?
State Street® SPDR® S&P 400™ Mid Cap Growth ETF (MDYG, by State Street (SPDR)) holds 245 positions; Vanguard Total Stock Market Index Fund (VTI, by Vanguard) holds 3505. They have 243 holdings in common, and by portfolio weight the two funds are 3.4% identical. In practical terms the pair is essentially distinct, holding almost none of the same securities.
- Overlap by Weight
- 3.4%Sum of the smaller weight of each shared holding
- Shared Holdings
- 243MDYG holds 245 · VTI holds 3505
- Weight in Shared Holdings
- MDYG 99%·VTI 3%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 MDYG
2 of 245 positions (0.5% of the fund) are not held by VTI.
ALVAutoliv Inc. COM0.28%
LIVNLivaNova PLC ORD GBP1.00 (DI)0.22%
Sector Breakdown
| Sector | MDYG | VTI |
|---|---|---|
| Information Technology | 20.2% | 30.5% |
| Industrials | 29.8% | 10.4% |
| Health Care | 15.5% | 10.0% |
| Financials | 8.0% | 12.7% |
| Consumer Discretionary | 9.0% | 9.8% |
| Other Sectors | 17.3% | 26.0% |
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 |
|---|---|---|---|---|---|---|---|
| MDYG | +3.3% | +21.6% | +28.0% | +16.0% | +8.5% | +11.3% | 0.56% |
| VTI | +3.3% | +14.6% | +24.2% | +20.9% | +12.3% | +14.9% | 1.02% |
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 MDYG vs VTI →
Shared Holdings(243)
The top 10 shared positions account for 11% of the overlap, led by FTI, UTHR and CW.
 FTITechnipFMC PLC USD1 | 1.48% | 0.04% | 0.04% |
|---|---|---|---|
 UTHRUnited Therapeutics Corporation COM | 1.21% | 0.04% | 0.04% |
 CWCurtiss-Wright Corporation | 1.41% | 0.04% | 0.04% |
 RGLDRoyal Gold, Inc. COM | 0.95% | 0.03% | 0.03% |
 XPOXPO Inc COM | 1.23% | 0.03% | 0.03% |
 WWDWoodward Inc. COM | 1.16% | 0.03% | 0.03% |
 BURLBurlington Stores Inc. COM | 0.76% | 0.03% | 0.03% |
 MTZMastec, Inc. COM | 0.85% | 0.03% | 0.03% |
 ATIATI Inc COM | 1.63% | 0.03% | 0.03% |
 NVTNVent Electric PLC COM USD0.01 | 1.41% | 0.03% | 0.03% |
 TWLOTwilio, Inc., Class A | 1.56% | 0.03% | 0.03% |
 FNFabrinet COM USD0.01 | 1.04% | 0.03% | 0.03% |
 CRSCarpenter Technology Corporation COM | 1.48% | 0.03% | 0.03% |
 BWXTBWX Technologies Inc. COM | 0.81% | 0.03% | 0.03% |
 PEverpure, Inc., Class A | 1.47% | 0.03% | 0.03% |
 ILMNIllumina Inc COM | 0.84% | 0.03% | 0.03% |
 RBARB Global Inc COM | 0.92% | 0.03% | 0.03% |
 ENTGEntegris Inc COM | 0.46% | 0.03% | 0.03% |
 RBCRBC Bearings Incorporated | 0.95% | 0.03% | 0.03% |
 NXTNextpower Inc. CLASS A COM | 0.51% | 0.03% | 0.03% |
 THCTenet Healthcare Corporation COM NEW | 1.18% | 0.03% | 0.03% |
 ITTITT Inc COM | 1.02% | 0.03% | 0.03% |
 MKSIMKS Inc. COM | 0.74% | 0.02% | 0.02% |
 WPCW. P. Carey Inc COM | 0.45% | 0.02% | 0.02% |
 MTSIMACOM Technology Solutions Holdings Inc. COM | 1.06% | 0.02% | 0.02% |
Frequently Asked Questions
How much do MDYG and VTI overlap?
MDYG and VTI overlap by 3.4% of portfolio weight. They share 243 holdings (MDYG holds 245 positions and VTI holds 3505), based on each fund's latest SEC-reported holdings.
Is it redundant to own both MDYG and VTI?
The two portfolios are 3.4% identical by weight. Owning both is genuine diversification: the funds hold almost none of the same securities.
What are the biggest shared holdings of MDYG and VTI?
The largest positions held by both funds are FTI, UTHR, CW, RGLD and XPO. Together the top 10 shared positions account for 11% of the total overlap.
What does MDYG own that VTI doesn't?
2 positions (0.5% of MDYG) are unique to MDYG, led by ALV and LIVN. In the other direction, 3262 positions (96.3% of VTI) are unique to VTI.