ETF comparison
IWY vs SPY
US Large Cap Growth vs US Large Cap.
iShares Russell Top 200 Growth ETF · State Street SPDR S&P 500 ETF Trust
Holdings overlap
93 positions appear in both funds. Buying equal dollars of IWY and SPY would leave roughly 50.7% 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
SPY is 11 bps cheaper than IWY. On a $100,000 position that's about $106/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 SPY.
Top shared holdings
93 shared in total| # | Holding | In IWY | In SPY | Overlap |
|---|---|---|---|---|
| 1 | NVIDIA CORP | 14.16% | 7.30% | 7.30% |
| 2 | APPLE INC | 7.14% | 7.69% | 7.14% |
| 3 | MICROSOFT CORP | 4.56% | 6.22% | 4.56% |
| 4 | ALPHABET INC | 6.37% | 2.56% | 2.56% |
| 5 | BROADCOM INC | 5.64% | 2.33% | 2.33% |
| 6 | META PLATFORMS INC | 3.68% | 2.09% | 2.09% |
| 7 | ALPHABET INC | 5.14% | 2.06% | 2.06% |
| 8 | ELI LILLY & COMPANY | 3.35% | 1.71% | 1.71% |
| 9 | TESLA INC | 4.59% | 1.64% | 1.64% |
| 10 | MICRON TECHNOLOGY INC | 4.87% | 1.35% | 1.35% |
| 11 | ADVANCED MICRO DEVICES INC | 3.25% | 1.20% | 1.20% |
| 12 | VISA INC | 1.95% | 1.12% | 1.12% |
Only in IWY
8 total- TRANE TECHNOLOGIES PLC 0.37%
- SPACE EXPLORATION TECHNOLOGIES CORP 0.28%
- SPOTIFY TECHNOLOGY SA 0.25%
- NU HOLDINGS LTD 0.16%
- EATON CORP PLC 0.09%
- BROOKFIELD ASSET MANAGEMENT LTD 0.05%
- JOHNSON CONTROLS INTERNATIONAL PLC 0.02%
- SOUTHERN COPPER CORP 0.01%
Only in SPY
411 total- BERKSHIRE HATHAWAY INC CL B 1.63%
- JPMORGAN CHASE + CO 1.41%
- EXXONMOBIL HOLDINGS CORP 1.05%
- JOHNSON + JOHNSON 1.00%
- CHEVRON CORP 0.65%
- CISCO SYSTEMS INC 0.62%
- PROCTER + GAMBLE CO/THE 0.59%
- MERCK + CO. INC. 0.56%
- UNITEDHEALTH GROUP INC 0.55%
- PHILIP MORRIS INTERNATIONAL 0.50%
Related comparisons
More comparisons with IWY
- IWY vs VTI · Vanguard Morningstar Total Stock Market ETF 49.1%
- IWY vs ITOT · iShares Core S&P Total U.S. Stock Market ETF 49.0%
- IWY vs CGGR · Capital Group Growth ETF 48.7%
- IWY vs SCHB · Schwab U.S. Broad Market ETF 48.2%
- IWY vs VIG · Vanguard Dividend Appreciation Index Fund ETF Shares 31.6%
- IWY vs RPG · Invesco S&P 500 Pure Growth ETF 30.1%
More comparisons with SPY
- SPY vs DGRW · WisdomTree U.S. Quality Dividend Growth Fund 50.3%
- SPY vs FELG · Fidelity Enhanced Large Cap Growth ETF 50.3%
- SPY vs FBCG · Fidelity Blue Chip Growth ETF 50.2%
- SPY vs MGK · Vanguard Morningstar Mega Cap Growth ETF 50.0%
- SPY vs QQQ · Invesco QQQ Trust 49.8%
- SPY vs IWX · iShares Russell Top 200 Value ETF 49.5%
Percentages are holdings overlap with the named fund.
Open IWY or SPY 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.