ETF comparison
SPYM vs VONG
US Large Cap vs US Large Cap Growth.
State Street SPDR Portfolio S&P 500 ETF · Vanguard Russell 1000 Growth Index Fund ETF Shares
Holdings overlap
191 positions appear in both funds. Buying equal dollars of SPYM and VONG would leave roughly 57.6% 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
SPYM is 4 bps cheaper than VONG. On a $100,000 position that's about $40/yr more in fees for VONG.
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 SPYM vs VONG.
Top shared holdings
191 shared in total| # | Holding | In SPYM | In VONG | Overlap |
|---|---|---|---|---|
| 1 | NVIDIA Corp | 7.51% | 13.07% | 7.51% |
| 2 | Apple Inc | 6.59% | 11.95% | 6.59% |
| 3 | Microsoft Corp | 4.29% | 8.96% | 4.29% |
| 4 | Amazon.com Inc | 3.62% | 5.06% | 3.62% |
| 5 | Alphabet Inc | 3.25% | 3.91% | 3.25% |
| 6 | Broadcom Inc | 2.77% | 5.77% | 2.77% |
| 7 | Alphabet Inc | 2.59% | 3.15% | 2.59% |
| 8 | Meta Platforms Inc | 1.92% | 3.19% | 1.92% |
| 9 | Tesla Inc | 1.83% | 3.48% | 1.83% |
| 10 | Eli Lilly & Co | 1.47% | 2.67% | 1.47% |
| 11 | Advanced Micro Devices Inc | 1.47% | 1.46% | 1.46% |
| 12 | Visa Inc | 0.88% | 1.57% | 0.88% |
Only in SPYM
315 total- Micron Technology Inc 2.02%
- Berkshire Hathaway Inc 1.42%
- JPMorgan Chase & Co 1.36%
- Intel Corp 1.02%
- Johnson & Johnson 0.95%
- Exxon Mobil Corp 0.88%
- Cisco Systems Inc 0.72%
- UnitedHealth Group Inc 0.58%
- Procter & Gamble Co/The 0.53%
- Sandisk Corp 0.52%
Only in VONG
196 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 SPYM
- SPYM vs IWF · iShares Russell 1000 Growth ETF 57.5%
- SPYM vs VOOV · Vanguard S&P 500 Value Index Fund ETF Shares 57.4%
- SPYM vs VUG · Vanguard Morningstar Growth ETF 57.4%
- SPYM vs IWD · iShares Russell 1000 Value ETF 57.2%
- SPYM vs ONEQ · Fidelity Nasdaq Composite Index ETF 56.7%
- SPYM vs DTD · WisdomTree U.S. Total Dividend Fund 56.4%
More comparisons with VONG
- VONG vs IVV · iShares Core S&P 500 ETF 57.6%
- VONG vs QQQM · Invesco NASDAQ 100 ETF 57.4%
- VONG vs SCHB · Schwab U.S. Broad Market ETF 55.8%
- VONG vs QQQ · Invesco QQQ Trust 53.6%
- VONG vs VTI · Vanguard Morningstar Total Stock Market ETF 53.5%
- VONG vs ITOT · iShares Core S&P Total U.S. Stock Market ETF 53.4%
Percentages are holdings overlap with the named fund.
Open SPYM 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.