ETF comparison
IWV vs SPYM
US Total Market vs US Large Cap.
iShares Russell 3000 ETF · State Street SPDR Portfolio S&P 500 ETF
Holdings overlap
500 positions appear in both funds. Buying equal dollars of IWV and SPYM would leave roughly 87.8% 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 IWV. On a $100,000 position that's about $180/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 SPYM.
Top shared holdings
500 shared in total| # | Holding | In IWV | In SPYM | Overlap |
|---|---|---|---|---|
| 1 | NVIDIA CORP | 6.43% | 7.51% | 6.43% |
| 2 | APPLE INC | 5.76% | 6.59% | 5.76% |
| 3 | MICROSOFT CORP | 3.82% | 4.29% | 3.82% |
| 4 | AMAZON.COM INC | 3.19% | 3.62% | 3.19% |
| 5 | ALPHABET INC | 2.87% | 3.25% | 2.87% |
| 6 | BROADCOM INC | 2.42% | 2.77% | 2.42% |
| 7 | ALPHABET INC | 2.31% | 2.59% | 2.31% |
| 8 | MICRON TECHNOLOGY INC | 1.79% | 2.02% | 1.79% |
| 9 | META PLATFORMS INC | 1.71% | 1.92% | 1.71% |
| 10 | TESLA INC | 1.69% | 1.83% | 1.69% |
| 11 | ELI LILLY & COMPANY | 1.32% | 1.47% | 1.32% |
| 12 | ADVANCED MICRO DEVICES INC | 1.30% | 1.47% | 1.30% |
Only in IWV
2,090 total- SPACE EXPLORATION TECHNOLOGIES CORP 0.12%
- SNOWFLAKE INC 0.12%
- BLOOM ENERGY CORP 0.11%
- CLOUDFLARE INC 0.11%
- ASTERA LABS INC 0.10%
- SPOTIFY TECHNOLOGY SA 0.10%
- ROCKET LAB CORP 0.08%
- CHENIERE ENERGY INC 0.07%
- NU HOLDINGS LTD 0.06%
- FERGUSON ENTERPRISES INC 0.06%
Only in SPYM
6 total- Seagate Technology Holdings PLC 0.34%
- NXP Semiconductors NV 0.11%
- TE Connectivity PLC 0.09%
- Erie Indemnity Co 0.01%
- Paramount Skydance Corp 0.00%
- CONTRA WALGREENS BOOTS 0.00%
Related comparisons
More comparisons with IWV
- IWV vs IVV · iShares Core S&P 500 ETF 87.8%
- IWV vs DFAU · Dimensional US Core Equity Market ETF 85.9%
- IWV vs BBUS · JPMorgan BetaBuilders U.S. Equity ETF 84.7%
- IWV vs SPY · State Street SPDR S&P 500 ETF Trust 83.2%
- IWV vs ESGV · Vanguard ESG U.S. Stock ETF 79.0%
- IWV vs AVUS · Avantis US Equity ETF 74.3%
More comparisons with SPYM
- SPYM vs DFUS · Dimensional U.S. Equity Market ETF 87.8%
- SPYM vs VTHR · Vanguard Russell 3000 Index Fund ETF Shares 87.2%
- SPYM vs DFAU · Dimensional US Core Equity Market ETF 82.0%
- SPYM vs MGC · Vanguard Morningstar Mega Cap ETF 81.4%
- SPYM vs ESGV · Vanguard ESG U.S. Stock ETF 80.1%
- SPYM vs ESGU · iShares ESG Aware MSCI USA ETF 77.7%
Percentages are holdings overlap with the named fund.
Open IWV 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.