ETF comparison
IWV vs SPY
US Total Market vs US Large Cap.
iShares Russell 3000 ETF · State Street SPDR S&P 500 ETF Trust
Holdings overlap
471 positions appear in both funds. Buying equal dollars of IWV and SPY would leave roughly 83.2% 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 IWV. On a $100,000 position that's about $106/yr more in fees for IWV.
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 IWV vs SPY.
Top shared holdings
471 shared in total| # | Holding | In IWV | In SPY | Overlap |
|---|---|---|---|---|
| 1 | NVIDIA CORP | 6.43% | 8.50% | 6.43% |
| 2 | APPLE INC | 5.76% | 7.32% | 5.76% |
| 3 | MICROSOFT CORP | 3.82% | 5.77% | 3.82% |
| 4 | AMAZON.COM INC | 3.19% | 3.71% | 3.19% |
| 5 | ALPHABET INC | 2.87% | 3.03% | 2.87% |
| 6 | BROADCOM INC | 2.42% | 2.54% | 2.42% |
| 7 | ALPHABET INC | 2.31% | 2.43% | 2.31% |
| 8 | MICRON TECHNOLOGY INC | 1.79% | 1.82% | 1.79% |
| 9 | META PLATFORMS INC | 1.71% | 2.41% | 1.71% |
| 10 | TESLA INC | 1.69% | 1.57% | 1.57% |
| 11 | ELI LILLY & COMPANY | 1.32% | 1.37% | 1.32% |
| 12 | ADVANCED MICRO DEVICES INC | 1.30% | 1.55% | 1.30% |
Only in IWV
2,119 total- EXXONMOBIL HOLDINGS CORP 0.78%
- LINDE PLC 0.33%
- EATON CORP PLC 0.23%
- CHUBB LTD (SWITZERLAND) 0.17%
- TRANE TECHNOLOGIES PLC 0.15%
- MEDTRONIC PLC 0.14%
- SPACE EXPLORATION TECHNOLOGIES CORP 0.12%
- JOHNSON CONTROLS INTERNATIONAL PLC 0.12%
- SNOWFLAKE INC 0.12%
- ROYAL CARIBBEAN CRUISES LTD 0.11%
Only in SPY
34 total- EXXONMOBIL HOLDINGS CORP 1.01%
- LINDE PLC 0.33%
- SEAGATE TECHNOLOGY HOLDINGS 0.29%
- EATON CORP PLC 0.25%
- ACCENTURE PLC CL A 0.18%
- CHUBB LTD 0.17%
- MEDTRONIC PLC 0.17%
- TRANE TECHNOLOGIES PLC 0.15%
- JOHNSON CONTROLS INTERNATION 0.14%
- ROYAL CARIBBEAN CRUISES LTD 0.10%
Related comparisons
More comparisons with IWV
- IWV vs ESGV · Vanguard ESG U.S. Stock ETF 79.0%
- IWV vs AVUS · Avantis US Equity ETF 74.3%
- IWV vs DFAC · U.S. Core Equity 2 Portfolio-ETF Class Shares 71.6%
- IWV vs ESGU · iShares ESG Aware MSCI USA ETF 71.3%
- IWV vs IWD · iShares Russell 1000 Value ETF 57.2%
- IWV vs IWF · iShares Russell 1000 Growth ETF 54.6%
More comparisons with SPY
- SPY vs ITOT · iShares Core S&P Total U.S. Stock Market ETF 83.2%
- SPY vs DFAU · Dimensional US Core Equity Market ETF 82.7%
- SPY vs MGC · Vanguard Morningstar Mega Cap ETF 81.8%
- SPY vs ESGV · Vanguard ESG U.S. Stock ETF 81.0%
- SPY vs ESGU · iShares ESG Aware MSCI USA ETF 76.3%
- SPY vs GSLC · Goldman Sachs ActiveBeta U.S. Large Cap Equity ETF 73.1%
Percentages are holdings overlap with the named fund.
Open IWV 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.