MDY vs VIG: Holdings Overlap
MDYState Street® SPDR® S&P MIDCAP 400® ETF Trust
State Street (SPDR) · 399 holdings · $27.1B · as of 2026-08-06
VIGVanguard Dividend Appreciation Index Fund
Vanguard · 332 holdings · $113.6B · as of 2026-04-30
Holdings snapshots are 98 days apart (MDY: 2026-08-06, VIG: 2026-04-30). 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 VIG?
State Street® SPDR® S&P MIDCAP 400® ETF Trust (MDY, by State Street (SPDR)) holds 399 positions; Vanguard Dividend Appreciation Index Fund (VIG, by Vanguard) holds 332. They have 78 holdings in common, and by portfolio weight the two funds are 3.2% identical. In practical terms the pair is essentially distinct, holding almost none of the same securities.
- Overlap by Weight
- 3.2%Sum of the smaller weight of each shared holding
- Shared Holdings
- 78MDY holds 399 · VIG holds 332
- Weight in Shared Holdings
- MDY 22%·VIG 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 MDY
321 of 399 positions (83.4% of the fund) are not held by VIG. Showing the top 30 by weight.
Sector Breakdown
| Sector | MDY | VIG |
|---|---|---|
| Industrials | 25.9% | 12.1% |
| Information Technology | 15.6% | 25.5% |
| Financials | 16.0% | 20.5% |
| Health Care | 10.3% | 16.4% |
| Consumer Discretionary | 11.6% | 4.6% |
| Other Sectors | 25.7% | 20.3% |
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% |
| VIG | +2.7% | +12.5% | +21.0% | +16.3% | +10.9% | +13.2% | 1.46% |
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 VIG →
Shared Holdings(78)
The top 10 shared positions account for 24% of the overlap, led by BWXT, RBA and RS.
 BWXTBWX Technologies Inc. COM | 0.42% | 0.09% | 0.09% |
|---|---|---|---|
 RBARB Global Inc COM | 0.47% | 0.09% | 0.09% |
 RSReliance Inc COM | 0.58% | 0.09% | 0.09% |
 RGLDRoyal Gold, Inc. COM | 0.49% | 0.09% | 0.09% |
 ITTITT Inc COM | 0.52% | 0.08% | 0.08% |
 WSOWatsco Inc COM | 0.63% | 0.07% | 0.07% |
 DKSDick's Sporting Goods, Inc. COM | 0.36% | 0.07% | 0.07% |
 DTMDT Midstream Inc COMMON STOCK | 0.37% | 0.07% | 0.07% |
 LECOLincoln Electric Holdings Inc. COM | 0.42% | 0.07% | 0.07% |
 CSLCarlisle Companies Incorporated | 0.42% | 0.07% | 0.07% |
 RGAReinsurance Group of America, Incorporated COM NEW | 0.42% | 0.06% | 0.06% |
 RNRRenaissancere Holdings Ltd. COM USD1 | 0.38% | 0.06% | 0.06% |
 GGGGraco Inc COM | 0.38% | 0.06% | 0.06% |
 RPMRPM International Inc. COM | 0.40% | 0.06% | 0.06% |
 SOLSSolstice Advanced Materials Inc. COM SHS | 0.27% | 0.06% | 0.06% |
 EVREvercore, Inc., Class A | 0.66% | 0.06% | 0.06% |
 UNMUnum Group COM | 0.36% | 0.06% | 0.06% |
 AITApplied Industrial Technologies Inc. COM | 0.36% | 0.05% | 0.05% |
 SCIService Corporation International COM | 0.64% | 0.05% | 0.05% |
 WTRGEssential Utilities Inc COM | 0.31% | 0.05% | 0.05% |
 ENSGEnsign Group, Inc. (The) | 0.29% | 0.05% | 0.05% |
 WMSAdvanced Drainage System Inc COM | 0.29% | 0.05% | 0.05% |
 DCIDonaldson Company Inc. | 0.31% | 0.05% | 0.05% |
 OCOwens Corning COM | 0.65% | 0.05% | 0.05% |
 WTFCWintrust Financial Corporation COM | 0.29% | 0.05% | 0.05% |
Frequently Asked Questions
How much do MDY and VIG overlap?
MDY and VIG overlap by 3.2% of portfolio weight. They share 78 holdings (MDY holds 399 positions and VIG holds 332), based on each fund's latest SEC-reported holdings.
Is it redundant to own both MDY and VIG?
The two portfolios are 3.2% 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 VIG?
The largest positions held by both funds are BWXT, RBA, RS, RGLD and ITT. Together the top 10 shared positions account for 24% of the total overlap.
What does MDY own that VIG doesn't?
321 positions (83.4% of MDY) are unique to MDY, led by ATI, TWLO and ILMN. In the other direction, 254 positions (96.2% of VIG) are unique to VIG.