ETF comparison
IWY vs VONG
Both US Large Cap Growth.
iShares Russell Top 200 Growth ETF · Vanguard Russell 1000 Growth Index Fund ETF Shares
Holdings overlap
87 positions appear in both funds. Buying equal dollars of IWY and VONG would leave roughly 71.6% 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
VONG is 14 bps cheaper than IWY. On a $100,000 position that's about $140/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 VONG.
Top shared holdings
87 shared in total| # | Holding | In IWY | In VONG | Overlap |
|---|---|---|---|---|
| 1 | NVIDIA CORP | 14.16% | 13.07% | 13.07% |
| 2 | APPLE INC | 7.14% | 11.95% | 7.14% |
| 3 | BROADCOM INC | 5.64% | 5.77% | 5.64% |
| 4 | MICROSOFT CORP | 4.56% | 8.96% | 4.56% |
| 5 | ALPHABET INC | 6.37% | 3.91% | 3.91% |
| 6 | TESLA INC | 4.59% | 3.48% | 3.48% |
| 7 | META PLATFORMS INC | 3.68% | 3.19% | 3.19% |
| 8 | ALPHABET INC | 5.14% | 3.15% | 3.15% |
| 9 | ELI LILLY & COMPANY | 3.35% | 2.67% | 2.67% |
| 10 | VISA INC | 1.95% | 1.57% | 1.57% |
| 11 | ADVANCED MICRO DEVICES INC | 3.25% | 1.46% | 1.46% |
| 12 | LAM RESEARCH CORP | 1.86% | 1.20% | 1.20% |
Only in IWY
14 total- MICRON TECHNOLOGY INC 4.87%
- SANDISK CORP 1.14%
- WESTERN DIGITAL CORP 0.74%
- CORNING INC 0.70%
- SPACE EXPLORATION TECHNOLOGIES CORP 0.28%
- BLOOM ENERGY CORP 0.28%
- CIENA CORP 0.24%
- CUMMINS INC 0.15%
- EATON CORP PLC 0.09%
- ANALOG DEVICES INC 0.05%
Only in VONG
300 total- Vertex Pharmaceuticals Inc 0.34%
- Snowflake Inc 0.26%
- Datadog Inc 0.23%
- Cloudflare Inc 0.23%
- Royal Caribbean Cruises Ltd 0.22%
- Rocket Lab Corp 0.21%
- O'Reilly Automotive Inc 0.20%
- Synopsys Inc 0.20%
- Comfort Systems USA Inc 0.19%
- QUALCOMM Inc 0.18%
Related comparisons
More comparisons with IWY
More comparisons with VONG
- VONG vs SPYG · State Street SPDR Portfolio S&P 500 Growth ETF 70.6%
- VONG vs IVW · iShares S&P 500 Growth ETF 70.6%
- VONG vs IUSG · iShares Core S&P U.S. Growth ETF 69.4%
- VONG vs FELG · Fidelity Enhanced Large Cap Growth ETF 66.9%
- VONG vs ONEQ · Fidelity Nasdaq Composite Index ETF 66.1%
- VONG vs FBCG · Fidelity Blue Chip Growth ETF 60.3%
Percentages are holdings overlap with the named fund.
Open IWY 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.