ETF comparison
SPY vs VONG
US Large Cap vs US Large Cap Growth.
State Street SPDR S&P 500 ETF Trust · Vanguard Russell 1000 Growth Index Fund ETF Shares
Holdings overlap
193 positions appear in both funds. Buying equal dollars of SPY and VONG would leave roughly 59.8% 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
VONG is 3 bps cheaper than SPY. On a $100,000 position that's about $34/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 VONG.
Top shared holdings
193 shared in total| # | Holding | In SPY | In VONG | Overlap |
|---|---|---|---|---|
| 1 | NVIDIA CORP | 8.50% | 13.07% | 8.50% |
| 2 | APPLE INC | 7.32% | 11.95% | 7.32% |
| 3 | MICROSOFT CORP | 5.77% | 8.96% | 5.77% |
| 4 | AMAZON.COM INC | 3.71% | 5.06% | 3.71% |
| 5 | ALPHABET INC CL A | 3.03% | 3.91% | 3.03% |
| 6 | BROADCOM INC | 2.54% | 5.77% | 2.54% |
| 7 | ALPHABET INC CL C | 2.43% | 3.15% | 2.43% |
| 8 | META PLATFORMS INC CLASS A | 2.41% | 3.19% | 2.41% |
| 9 | TESLA INC | 1.57% | 3.48% | 1.57% |
| 10 | ADVANCED MICRO DEVICES | 1.55% | 1.46% | 1.46% |
| 11 | ELI LILLY + CO | 1.37% | 2.67% | 1.37% |
| 12 | VISA INC CLASS A SHARES | 0.92% | 1.57% | 0.92% |
Only in SPY
312 total- MICRON TECHNOLOGY INC 1.82%
- BERKSHIRE HATHAWAY INC CL B 1.41%
- JPMORGAN CHASE + CO 1.33%
- EXXONMOBIL HOLDINGS CORP 1.01%
- JOHNSON + JOHNSON 0.93%
- INTEL CORP 0.89%
- CISCO SYSTEMS INC 0.66%
- CHEVRON CORP 0.61%
- MERCK + CO. INC. 0.53%
- PROCTER + GAMBLE CO/THE 0.51%
Only in VONG
194 total- Snowflake Inc 0.26%
- Spotify Technology SA 0.23%
- Cloudflare Inc 0.23%
- Rocket Lab Corp 0.21%
- Astera Labs Inc 0.13%
- NU Holdings Ltd/Cayman Islands 0.13%
- Alnylam Pharmaceuticals Inc 0.12%
- Natera Inc 0.09%
- ROBLOX Corp 0.09%
- FTAI Aviation Ltd 0.08%
Related comparisons
More comparisons with SPY
- SPY vs FNDX · Schwab Fundamental U.S. Large Company ETF 59.4%
- SPY vs VUG · Vanguard Morningstar Growth ETF 59.0%
- SPY vs ONEQ · Fidelity Nasdaq Composite Index ETF 57.6%
- SPY vs SUSA · iShares ESG Optimized MSCI USA ETF 56.8%
- SPY vs IWF · iShares Russell 1000 Growth ETF 56.6%
- SPY vs DLN · WisdomTree U.S. LargeCap Dividend Fund 55.8%
More comparisons with VONG
Percentages are holdings overlap with the named fund.
Open SPY or VONG 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.