ETF comparison
IWY vs SPYM
US Large Cap Growth vs US Large Cap.
iShares Russell Top 200 Growth ETF · State Street SPDR Portfolio S&P 500 ETF
Holdings overlap
95 positions appear in both funds. Buying equal dollars of IWY and SPYM would leave roughly 54.8% 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
SPYM is 18 bps cheaper than IWY. On a $100,000 position that's about $180/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 SPYM.
Top shared holdings
95 shared in total| # | Holding | In IWY | In SPYM | Overlap |
|---|---|---|---|---|
| 1 | NVIDIA CORP | 14.16% | 7.51% | 7.51% |
| 2 | APPLE INC | 7.14% | 6.59% | 6.59% |
| 3 | MICROSOFT CORP | 4.56% | 4.29% | 4.29% |
| 4 | ALPHABET INC | 6.37% | 3.25% | 3.25% |
| 5 | BROADCOM INC | 5.64% | 2.77% | 2.77% |
| 6 | ALPHABET INC | 5.14% | 2.59% | 2.59% |
| 7 | MICRON TECHNOLOGY INC | 4.87% | 2.02% | 2.02% |
| 8 | META PLATFORMS INC | 3.68% | 1.92% | 1.92% |
| 9 | TESLA INC | 4.59% | 1.83% | 1.83% |
| 10 | ELI LILLY & COMPANY | 3.35% | 1.47% | 1.47% |
| 11 | ADVANCED MICRO DEVICES INC | 3.25% | 1.47% | 1.47% |
| 12 | APPLIED MATERIALS INC | 1.97% | 0.89% | 0.89% |
Only in IWY
6 total- SPACE EXPLORATION TECHNOLOGIES CORP 0.28%
- BLOOM ENERGY CORP 0.28%
- SPOTIFY TECHNOLOGY SA 0.25%
- NU HOLDINGS LTD 0.16%
- BROOKFIELD ASSET MANAGEMENT LTD 0.05%
- SOUTHERN COPPER CORP 0.01%
Only in SPYM
411 total- Berkshire Hathaway Inc 1.42%
- JPMorgan Chase & Co 1.36%
- Intel Corp 1.02%
- Johnson & Johnson 0.95%
- Exxon Mobil Corp 0.88%
- Cisco Systems Inc 0.72%
- UnitedHealth Group Inc 0.58%
- Procter & Gamble Co/The 0.53%
- Merck & Co Inc 0.49%
- Chevron Corp 0.48%
Related comparisons
More comparisons with IWY
- IWY vs IVV · iShares Core S&P 500 ETF 54.8%
- IWY vs SPY · State Street SPDR S&P 500 ETF Trust 54.4%
- IWY vs SCHB · Schwab U.S. Broad Market ETF 49.8%
- IWY vs CGGR · Capital Group Growth ETF 49.2%
- 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%
More comparisons with SPYM
- SPYM vs QQQ · Invesco QQQ Trust 54.5%
- SPYM vs QQQM · Invesco NASDAQ 100 ETF 54.2%
- SPYM vs SCHG · Schwab U.S. Large-Cap Growth ETF 53.1%
- SPYM vs DSI · iShares ESG MSCI KLD 400 ETF 53.1%
- SPYM vs FELG · Fidelity Enhanced Large Cap Growth ETF 52.4%
- SPYM vs OMFL · Invesco Russell 1000 Dynamic Multifactor ETF 52.2%
Percentages are holdings overlap with the named fund.
Open IWY or SPYM 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.