ETF comparison
IWY vs MGK
Both US Large Cap Growth.
iShares Russell Top 200 Growth ETF · Vanguard Morningstar Mega Cap Growth ETF
Holdings overlap
46 positions appear in both funds. Buying equal dollars of IWY and MGK would leave roughly 76.9% 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
MGK is 15 bps cheaper than IWY. On a $100,000 position that's about $150/yr more in fees for IWY.
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 IWY vs MGK.
Top shared holdings
46 shared in total| # | Holding | In IWY | In MGK | Overlap |
|---|---|---|---|---|
| 1 | NVIDIA CORP | 14.16% | 13.27% | 13.27% |
| 2 | APPLE INC | 7.14% | 12.17% | 7.14% |
| 3 | ALPHABET INC | 6.37% | 5.92% | 5.92% |
| 4 | ALPHABET INC | 5.14% | 4.66% | 4.66% |
| 5 | MICROSOFT CORP | 4.56% | 7.50% | 4.56% |
| 6 | BROADCOM INC | 5.64% | 4.27% | 4.27% |
| 7 | TESLA INC | 4.59% | 3.93% | 3.93% |
| 8 | META PLATFORMS INC | 3.68% | 4.08% | 3.68% |
| 9 | ELI LILLY & COMPANY | 3.35% | 3.40% | 3.35% |
| 10 | ADVANCED MICRO DEVICES INC | 3.25% | 3.19% | 3.19% |
| 11 | LAM RESEARCH CORP | 1.86% | 1.92% | 1.86% |
| 12 | VISA INC | 1.95% | 1.82% | 1.82% |
Only in IWY
55 total- MICRON TECHNOLOGY INC 4.87%
- CATERPILLAR INC 1.67%
- GE AEROSPACE 1.33%
- TEXAS INSTRUMENTS INC 0.93%
- HOME DEPOT INC (THE) 0.90%
- COSTCO WHOLESALE CORP 0.63%
- AMGEN INC 0.48%
- VERTIV HOLDINGS COMPANY 0.44%
- TRANE TECHNOLOGIES PLC 0.37%
- QUANTA SERVICES INC 0.37%
Only in MGK
10 total- Intel Corp 1.10%
- Welltower Inc 0.71%
- Vertex Pharmaceuticals Inc 0.60%
- Seagate Technology Holdings PLC 0.51%
- Equinix Inc 0.50%
- Synopsys Inc 0.45%
- O'Reilly Automotive Inc 0.43%
- Ecolab Inc 0.42%
- Snowflake Inc 0.33%
- Boston Scientific Corp 0.28%
Related comparisons
More comparisons with IWY
- IWY vs SPYG · State Street SPDR Portfolio S&P 500 Growth ETF 75.7%
- IWY vs IVW · iShares S&P 500 Growth ETF 75.7%
- IWY vs VUG · Vanguard Morningstar Growth ETF 75.3%
- IWY vs FELG · Fidelity Enhanced Large Cap Growth ETF 75.2%
- IWY vs VOOG · Vanguard S&P 500 Growth Index Fund ETF Shares 74.2%
- IWY vs IUSG · iShares Core S&P U.S. Growth ETF 72.2%
More comparisons with MGK
- MGK vs VONG · Vanguard Russell 1000 Growth Index Fund ETF Shares 75.8%
- MGK vs SCHG · Schwab U.S. Large-Cap Growth ETF 73.9%
- MGK vs SPYG · State Street SPDR Portfolio S&P 500 Growth ETF 72.8%
- MGK vs IVW · iShares S&P 500 Growth ETF 72.8%
- MGK vs VOOG · Vanguard S&P 500 Growth Index Fund ETF Shares 71.9%
- MGK vs IWF · iShares Russell 1000 Growth ETF 71.5%
Percentages are holdings overlap with the named fund.
Open IWY 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.