ETF comparison
SPY vs VBK
US Large Cap vs US Small Cap.
State Street SPDR S&P 500 ETF Trust · Vanguard Morningstar Small-Cap Growth ETF
Holdings overlap
33 positions appear in both funds. Buying equal dollars of SPY and VBK would leave roughly 0.8% 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
VBK is 4 bps cheaper than SPY. On a $100,000 position that's about $44/yr more in fees for SPY.
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 SPY vs VBK.
Top shared holdings
33 shared in total| # | Holding | In SPY | In VBK | Overlap |
|---|---|---|---|---|
| 1 | EVERPURE INC A | 0.07% | 0.70% | 0.07% |
| 2 | FLEX LTD | 0.06% | 0.42% | 0.06% |
| 3 | ILLUMINA INC | 0.06% | 0.36% | 0.06% |
| 4 | EMCOR GROUP INC | 0.05% | 0.52% | 0.05% |
| 5 | EQT CORP | 0.05% | 0.23% | 0.05% |
| 6 | HUBBELL INC | 0.04% | 0.19% | 0.04% |
| 7 | CASEY S GENERAL STORES INC | 0.03% | 0.83% | 0.03% |
| 8 | TEXAS PACIFIC LAND CORP | 0.03% | 0.36% | 0.03% |
| 9 | INCYTE CORP | 0.03% | 0.54% | 0.03% |
| 10 | FIRST SOLAR INC | 0.03% | 0.34% | 0.03% |
| 11 | NORDSON CORP | 0.03% | 0.45% | 0.03% |
| 12 | PTC INC | 0.02% | 0.37% | 0.02% |
Only in SPY
472 total- NVIDIA CORP 8.50%
- APPLE INC 7.32%
- MICROSOFT CORP 5.77%
- AMAZON.COM INC 3.71%
- ALPHABET INC CL A 3.03%
- BROADCOM INC 2.54%
- ALPHABET INC CL C 2.43%
- META PLATFORMS INC CLASS A 2.41%
- MICRON TECHNOLOGY INC 1.82%
- TESLA INC 1.57%
Only in VBK
510 total- Credo Technology Group Holding Ltd 1.27%
- REVOLUTION Medicines Inc 1.06%
- Astera Labs Inc 1.05%
- Natera Inc 1.04%
- Twilio Inc 0.88%
- Carpenter Technology Corp 0.82%
- Curtiss-Wright Corp 0.79%
- FTAI Aviation Ltd 0.78%
- nVent Electric PLC 0.77%
- Entegris Inc 0.77%
Related comparisons
More comparisons with SPY
- SPY vs DFAT · U.S. Targeted Value Portfolio-ETF Class Shares 0.7%
- SPY vs SCHA · Schwab U.S. Small-Cap ETF 0.5%
- SPY vs CALF · Pacer US Small Cap Cash Cows 100 ETF 0.4%
- SPY vs DFSV · DFA U.S. Small Cap Value Portfolio – ETF Class Shares 0.3%
- SPY vs IVOO · Vanguard S&P Mid-Cap 400 Index Fund ETF Shares 0.2%
- SPY vs VTWO · Vanguard Russell 2000 Index Fund ETF Shares 0.1%
More comparisons with VBK
Percentages are holdings overlap with the named fund.
Open SPY or VBK 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.