ETF comparison
MGK vs VONG
Both US Large Cap Growth.
Vanguard Mega Cap Growth Index Fund · Vanguard Russell 1000 Growth Index Fund ETF Shares
Holdings overlap
53 positions appear in both funds. Buying equal dollars of MGK and VONG would leave roughly 76.6% of each dollar exposed to the same underlying securities.
Side by side
Sub-score comparison
Tracking quality isn't part of the composite — see what we don't score for why.
Cost difference
MGK is 1 bps cheaper than VONG. On a $100,000 position that's about $10/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 MGK vs VONG.
Top shared holdings
53 shared in total| # | Holding | In MGK | In VONG | Overlap |
|---|---|---|---|---|
| 1 | NVIDIA Corp | 13.75% | 12.20% | 12.20% |
| 2 | Apple Inc | 12.60% | 11.36% | 11.36% |
| 3 | Microsoft Corp | 9.01% | 8.65% | 8.65% |
| 4 | Broadcom Inc | 4.40% | 4.60% | 4.40% |
| 5 | Amazon.com Inc | 4.59% | 4.33% | 4.33% |
| 6 | Meta Platforms Inc | 4.17% | 3.76% | 3.76% |
| 7 | Alphabet Inc | 5.51% | 3.60% | 3.60% |
| 8 | Tesla Inc | 4.18% | 3.58% | 3.58% |
| 9 | Eli Lilly & Co | 3.17% | 2.94% | 2.94% |
| 10 | Alphabet Inc | 4.37% | 2.92% | 2.92% |
| 11 | Visa Inc | 1.97% | 1.78% | 1.78% |
| 12 | Mastercard Inc | 1.72% | 1.45% | 1.45% |
Only in MGK
6 total- Welltower Inc 0.74%
- Sandisk Corp/DE 0.62%
- Equinix Inc 0.60%
- Corning Inc 0.44%
- S&P Global Inc 0.44%
- T-Mobile US Inc 0.39%
Only in VONG
337 total- Costco Wholesale Corp 1.57%
- AbbVie Inc 1.44%
- General Electric Co 1.24%
- Home Depot Inc/The 1.01%
- Coca-Cola Co/The 0.54%
- Amgen Inc 0.54%
- McKesson Corp 0.40%
- Howmet Aerospace Inc 0.37%
- Trane Technologies PLC 0.36%
- Vertiv Holdings Co 0.34%
Open MGK 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.