ETF comparison
IUSG vs MGK
Both US Large Cap Growth.
iShares Core S&P U.S. Growth ETF · Vanguard Morningstar Mega Cap Growth ETF
Holdings overlap
47 positions appear in both funds. Buying equal dollars of IUSG and MGK would leave roughly 70.1% 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
IUSG is 1 bps cheaper than MGK. On a $100,000 position that's about $10/yr more in fees for MGK.
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 IUSG vs MGK.
Top shared holdings
47 shared in total| # | Holding | In IUSG | In MGK | Overlap |
|---|---|---|---|---|
| 1 | NVIDIA CORP | 12.95% | 13.27% | 12.95% |
| 2 | MICROSOFT CORP | 7.41% | 7.50% | 7.41% |
| 3 | APPLE INC | 5.68% | 12.17% | 5.68% |
| 4 | ALPHABET INC | 5.60% | 5.92% | 5.60% |
| 5 | ALPHABET INC | 4.46% | 4.66% | 4.46% |
| 6 | BROADCOM INC | 4.78% | 4.27% | 4.27% |
| 7 | META PLATFORMS INC | 3.31% | 4.08% | 3.31% |
| 8 | AMAZON.COM INC | 3.31% | 4.46% | 3.31% |
| 9 | ELI LILLY & COMPANY | 2.54% | 3.40% | 2.54% |
| 10 | ADVANCED MICRO DEVICES INC | 2.53% | 3.19% | 2.53% |
| 11 | TESLA INC | 1.96% | 3.93% | 1.96% |
| 12 | LAM RESEARCH CORP | 1.45% | 1.92% | 1.45% |
Only in IUSG
343 total- MICRON TECHNOLOGY INC 3.48%
- BERKSHIRE HATHAWAY INC 2.45%
- JP MORGAN CHASE & COMPANY 1.59%
- CATERPILLAR INC 1.31%
- JOHNSON & JOHNSON 0.96%
- RTX CORP 0.68%
- CISCO SYSTEMS INC 0.66%
- ABBVIE INC 0.55%
- GE AEROSPACE 0.54%
- GOLDMAN SACHS GROUP INC (THE) 0.52%
Only in MGK
9 total- Intel Corp 1.10%
- Vertex Pharmaceuticals Inc 0.60%
- Western Digital Corp 0.51%
- Equinix Inc 0.50%
- Space Exploration Technologies Corp 0.48%
- Synopsys Inc 0.45%
- Ecolab Inc 0.42%
- Snowflake Inc 0.33%
- Cintas Corp 0.28%
Related comparisons
More comparisons with IUSG
- IUSG vs VONG · Vanguard Russell 1000 Growth Index Fund ETF Shares 69.4%
- IUSG vs FELG · Fidelity Enhanced Large Cap Growth ETF 67.8%
- IUSG vs SCHG · Schwab U.S. Large-Cap Growth ETF 65.6%
- IUSG vs SPYM · State Street SPDR Portfolio S&P 500 ETF 65.4%
- IUSG vs IVV · iShares Core S&P 500 ETF 65.4%
- IUSG vs VOO · Vanguard S&P 500 ETF 65.3%
More comparisons with MGK
Percentages are holdings overlap with the named fund.
Open IUSG or MGK 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.