ETF comparison
ITOT vs IWS
US Total Market vs US Mid Cap.
iShares Core S&P Total U.S. Stock Market ETF · iShares Russell Mid-Cap Value ETF
Holdings overlap
697 positions appear in both funds. Buying equal dollars of ITOT and IWS would leave roughly 15.3% 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
ITOT is 20 bps cheaper than IWS. On a $100,000 position that's about $200/yr more in fees for IWS.
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 ITOT vs IWS.
Top shared holdings
697 shared in total| # | Holding | In ITOT | In IWS | Overlap |
|---|---|---|---|---|
| 1 | Robinhood Markets, Inc. | 0.11% | 0.13% | 0.11% |
| 2 | Royal Caribbean Cruises Ltd. | 0.11% | 0.34% | 0.11% |
| 3 | Coherent Corp. | 0.11% | 0.54% | 0.11% |
| 4 | Marathon Petroleum Corp. | 0.10% | 0.36% | 0.10% |
| 5 | United Rentals, Inc. | 0.10% | 0.53% | 0.10% |
| 6 | Phillips 66 | 0.09% | 0.62% | 0.09% |
| 7 | Warner Bros Discovery, Inc. | 0.09% | 0.63% | 0.09% |
| 8 | Kinder Morgan, Inc. | 0.09% | 0.61% | 0.09% |
| 9 | Delta Air Lines, Inc. | 0.08% | 0.56% | 0.08% |
| 10 | Allstate Corp. (The) | 0.08% | 0.60% | 0.08% |
| 11 | Keysight Technologies, Inc. | 0.08% | 0.25% | 0.08% |
| 12 | Hewlett Packard Enterprise Co. | 0.08% | 0.59% | 0.08% |
Only in ITOT
1,801 total- NVIDIA Corp. 6.63%
- Apple, Inc. 5.81%
- Microsoft Corp. 3.79%
- Amazon.com, Inc. 3.19%
- Alphabet, Inc. 2.86%
- Broadcom, Inc. 2.45%
- Alphabet, Inc. 2.29%
- Micron Technology, Inc. 1.78%
- Meta Platforms, Inc. 1.69%
- Tesla, Inc. 1.62%
Only in IWS
23 total- IREN LTD 0.13%
- RESTAURANT BRANDS INTERNATIONAL INC 0.10%
- GLOBALFOUNDRIES INC 0.10%
- GFL ENVIRONMENTAL INC 0.09%
- MILLICOM INTERNATIONAL CELLULAR SA 0.08%
- QIAGEN NV 0.08%
- XP INC 0.06%
- AMDOCS LTD 0.05%
- AMER SPORTS INC 0.05%
- BROOKFIELD RENEWABLE CORP 0.05%
Related comparisons
More comparisons with ITOT
- ITOT vs SPLV · Invesco S&P 500 Low Volatility ETF 14.7%
- ITOT vs MOAT · VanEck Morningstar Wide Moat ETF 14.2%
- ITOT vs SDY · State Street SPDR S&P Dividend ETF 13.1%
- ITOT vs VLUE · iShares MSCI USA Value Factor ETF 12.0%
- ITOT vs VB · Vanguard Morningstar Small-Cap ETF 11.9%
- ITOT vs NOBL · ProShares S&P 500 Dividend Aristocrats ETF 9.7%
More comparisons with IWS
- IWS vs SCHB · Schwab U.S. Broad Market ETF 15.0%
- IWS vs IJK · iShares S&P Mid-Cap 400 Growth ETF 14.8%
- IWS vs VIG · Vanguard Dividend Appreciation Index Fund ETF Shares 12.2%
- IWS vs VOO · Vanguard S&P 500 ETF 11.5%
- IWS vs SPYM · State Street SPDR Portfolio S&P 500 ETF 11.5%
- IWS vs IVV · iShares Core S&P 500 ETF 11.5%
Percentages are holdings overlap with the named fund.
Open ITOT or IWS 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.