MDYG vs VXF: Holdings Overlap
MDYGState Street® SPDR® S&P 400™ Mid Cap Growth ETF
State Street (SPDR) · 245 holdings · $2.9B · as of 2026-08-06
VXFVanguard Extended Market Index Fund
Vanguard · 3359 holdings · $32.2B · as of 2026-03-31
Holdings snapshots are 128 days apart (MDYG: 2026-08-06, VXF: 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 VXF?
State Street® SPDR® S&P 400™ Mid Cap Growth ETF (MDYG, by State Street (SPDR)) holds 245 positions; Vanguard Extended Market Index Fund (VXF, by Vanguard) holds 3359. They have 245 holdings in common, and by portfolio weight the two funds are 29.3% identical. In practical terms the pair is lightly overlapping, with most of each portfolio distinct.
- Overlap by Weight
- 29.3%Sum of the smaller weight of each shared holding
- Shared Holdings
- 245MDYG holds 245 · VXF holds 3359
- Weight in Shared Holdings
- MDYG 100%·VXF 29%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
Every position in MDYG is also held by VXF, so it brings nothing the other fund doesn’t already own.
Only in VXF
3114 of 3359 positions (70.4% of the fund) are not held by MDYG. Showing the top 30 by weight.
Sector Breakdown
| Sector | MDYG | VXF |
|---|---|---|
| Industrials | 29.8% | 19.5% |
| Information Technology | 20.2% | 16.3% |
| Health Care | 15.5% | 13.3% |
| Financials | 8.0% | 15.0% |
| Consumer Discretionary | 9.0% | 9.8% |
| Other Sectors | 17.3% | 23.6% |
| Unclassified | 0.0% | 2.4% |
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. “Unclassified” is weight we could not classify (0% of MDYG, 2% of VXF).
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% |
| VXF | +2.4% | +18.9% | +26.9% | +18.6% | +6.9% | +12.0% | 0.99% |
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 VXF →
Shared Holdings(245)
The top 10 shared positions account for 10% of the overlap, led by FTI, UTHR and CW.
 FTITechnipFMC PLC USD1 | 1.48% | 0.38% | 0.38% |
|---|---|---|---|
 UTHRUnited Therapeutics Corporation COM | 1.21% | 0.35% | 0.35% |
 CWCurtiss-Wright Corporation | 1.41% | 0.34% | 0.34% |
 XPOXPO Inc COM | 1.23% | 0.31% | 0.31% |
 WWDWoodward Inc. COM | 1.16% | 0.29% | 0.29% |
 RGLDRoyal Gold, Inc. COM | 0.95% | 0.28% | 0.28% |
 BURLBurlington Stores Inc. COM | 0.76% | 0.28% | 0.28% |
 ATIATI Inc COM | 1.63% | 0.27% | 0.27% |
 MTZMastec, Inc. COM | 0.85% | 0.27% | 0.27% |
 CRSCarpenter Technology Corporation COM | 1.48% | 0.27% | 0.27% |
 CDECoeur Mining Inc COM NEW | 0.86% | 0.27% | 0.27% |
 TWLOTwilio, Inc., Class A | 1.56% | 0.26% | 0.26% |
 NVTNVent Electric PLC COM USD0.01 | 1.41% | 0.26% | 0.26% |
 ILMNIllumina Inc COM | 0.84% | 0.26% | 0.26% |
 BWXTBWX Technologies Inc. COM | 0.81% | 0.26% | 0.26% |
 FNFabrinet COM USD0.01 | 1.04% | 0.26% | 0.26% |
 PEverpure, Inc., Class A | 1.47% | 0.25% | 0.25% |
 NXTNextpower Inc. CLASS A COM | 0.51% | 0.25% | 0.25% |
 ENTGEntegris Inc COM | 0.46% | 0.24% | 0.24% |
 RBARB Global Inc COM | 0.92% | 0.24% | 0.24% |
 RBCRBC Bearings Incorporated | 0.95% | 0.24% | 0.24% |
 THCTenet Healthcare Corporation COM NEW | 1.18% | 0.23% | 0.23% |
 ITTITT Inc COM | 1.02% | 0.22% | 0.22% |
 APGAPI Group Corp COM STK | 0.85% | 0.21% | 0.21% |
 SGISomnigroup International Inc. COM | 0.73% | 0.21% | 0.21% |
Frequently Asked Questions
How much do MDYG and VXF overlap?
MDYG and VXF overlap by 29.3% of portfolio weight. They share 245 holdings (MDYG holds 245 positions and VXF holds 3359), based on each fund's latest SEC-reported holdings.
Is it redundant to own both MDYG and VXF?
The two portfolios are 29.3% identical by weight. Owning both is not redundant. Most of each portfolio is distinct, so the funds can serve different roles.
What are the biggest shared holdings of MDYG and VXF?
The largest positions held by both funds are FTI, UTHR, CW, XPO and WWD. Together the top 10 shared positions account for 10% of the total overlap.
What does MDYG own that VXF doesn't?
Nothing. Every position in MDYG is also held by VXF. In the other direction, 3114 positions (70.4% of VXF) are unique to VXF.