ETF comparison
MDY vs VTI
US Mid Cap vs US Total Market.
State Street SPDR S&P MIDCAP 400 ETF Trust · Vanguard Morningstar Total Stock Market ETF
Holdings overlap
397 positions appear in both funds. Buying equal dollars of MDY and VTI would leave roughly 5.0% of each dollar exposed to the same underlying securities.
Unmatched is the part of a fund's weight the other fund doesn't match: names only it holds, plus any extra weight it puts in names both funds hold.
Side by side
Sub-score comparison
Tracking quality isn't part of the composite — see what we don't score for why.
Cost difference
VTI is 20 bps cheaper than MDY. On a $100,000 position that's about $200/yr more in fees for MDY.
Fee figure is the annual expense charged on $100,000. To see how the gap compounds over a multi-decade holding period, open the cost calculator pre-filled with MDY vs VTI.
Top shared holdings
397 shared in total| # | Holding | In MDY | In VTI | Overlap |
|---|---|---|---|---|
| 1 | Twilio Inc. Class A | 1.30% | 0.04% | 0.04% |
| 2 | MKS Inc. | 0.54% | 0.04% | 0.04% |
| 3 | Carpenter Technology Corporation | 0.55% | 0.04% | 0.04% |
| 4 | Curtiss-Wright Corporation | 0.58% | 0.04% | 0.04% |
| 5 | Entegris Inc. | 0.73% | 0.04% | 0.04% |
| 6 | nVent Electric plc | 0.79% | 0.04% | 0.04% |
| 7 | ATI Inc | 0.75% | 0.04% | 0.04% |
| 8 | TechnipFMC plc | 0.77% | 0.04% | 0.04% |
| 9 | MasTec Inc. | 0.39% | 0.04% | 0.04% |
| 10 | MACOM Technology Solutions Holdings Inc. | 0.64% | 0.04% | 0.04% |
| 11 | Woodward Inc. | 0.56% | 0.04% | 0.04% |
| 12 | Sterling Infrastructure Inc. | 0.47% | 0.03% | 0.03% |
Only in MDY
4 total- U.S. Dollar 0.89%
- SharkNinja Inc. 0.44%
- Autoliv Inc. 0.21%
- LivaNova Plc 0.12%
Only in VTI
3,107 total- NVIDIA Corp 6.36%
- Apple Inc 5.87%
- Microsoft Corp 3.83%
- Amazon.com Inc 3.19%
- Alphabet Inc 2.90%
- Broadcom Inc 2.47%
- Alphabet Inc 2.28%
- Micron Technology Inc 1.80%
- Meta Platforms Inc 1.71%
- Tesla Inc 1.64%
Related comparisons
More comparisons with MDY
- MDY vs ITOT · iShares Core S&P Total U.S. Stock Market ETF 4.8%
- MDY vs SCHB · Schwab U.S. Broad Market ETF 4.6%
- MDY vs VYM · Vanguard High Dividend Yield Index Fund ETF Shares 4.4%
- MDY vs DGRO · iShares Core Dividend Growth ETF 4.0%
- MDY vs SCHD · Schwab U.S. Dividend Equity ETF 3.4%
- MDY vs VIG · Vanguard Dividend Appreciation Index Fund ETF Shares 3.1%
More comparisons with VTI
- VTI vs IJH · iShares Core S&P Mid-Cap ETF 5.0%
- VTI vs SPMD · State Street SPDR Portfolio S&P 400 Mid Cap ETF 5.0%
- VTI vs IVOO · Vanguard S&P Mid-Cap 400 Index Fund ETF Shares 4.9%
- VTI vs FDL · First Trust Morningstar Dividend Leaders Index Fund 4.9%
- VTI vs VTWO · Vanguard Russell 2000 Index Fund ETF Shares 4.9%
- VTI vs SPYD · State Street SPDR Portfolio S&P 500 High Dividend ETF 4.9%
Percentages are holdings overlap with the named fund.
Open MDY or VTI at a brokerage
Both funds trade commission-free at major US brokerages.
Affiliate links — opening an account through these earns PlainIndex a one-time referral. Scoring is computed before any affiliate consideration; see our methodology and funding disclosure.
Holdings overlap is the sum of min(weight_a, weight_b) over positions
matched on ISIN (CUSIP fallback). Methodology: see
/methodology/.
Comparing two funds doesn't endorse swapping one for the other. Tax-lot history, account type, and personal goals matter — PlainIndex publishes data and methodology, not investment advice.