ETF comparison
ITOT vs IWB
US Total Market vs US Large Cap.
iShares Core S&P Total U.S. Stock Market ETF · iShares Russell 1000 ETF
Holdings overlap
981 positions appear in both funds. Buying equal dollars of ITOT and IWB would leave roughly 94.5% of each dollar exposed to the same underlying securities.
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 12 bps cheaper than IWB. On a $100,000 position that's about $120/yr more in fees for IWB.
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 IWB.
Top shared holdings
981 shared in total| # | Holding | In ITOT | In IWB | Overlap |
|---|---|---|---|---|
| 1 | NVIDIA Corp. | 6.69% | 6.81% | 6.69% |
| 2 | Apple, Inc. | 5.88% | 6.10% | 5.88% |
| 3 | Microsoft Corp. | 4.34% | 4.58% | 4.34% |
| 4 | Amazon.com, Inc. | 3.21% | 3.33% | 3.21% |
| 5 | Alphabet, Inc. | 2.64% | 2.79% | 2.64% |
| 6 | Broadcom, Inc. | 2.32% | 2.39% | 2.32% |
| 7 | Alphabet, Inc. | 2.12% | 2.27% | 2.12% |
| 8 | Meta Platforms, Inc. | 1.98% | 2.08% | 1.98% |
| 9 | Tesla, Inc. | 1.65% | 1.75% | 1.65% |
| 10 | Berkshire Hathaway, Inc. | 1.39% | 1.47% | 1.39% |
| 11 | JPMorgan Chase & Co. | 1.25% | 1.33% | 1.25% |
| 12 | Eli Lilly & Co. | 1.15% | 1.23% | 1.15% |
Only in ITOT
1,509 total- BlackRock Funds III 1.15%
- BlackRock Funds III 0.19%
- Seagate Technology Holdings plc 0.13%
- TE Connectivity plc 0.10%
- NXP Semiconductors NV 0.08%
- Bloom Energy Corp. 0.06%
- Amrize Ltd. 0.05%
- CoreWeave, Inc. 0.03%
- Fabrinet 0.03%
- Nextpower, Inc. 0.03%
Only in IWB
24 total- SPOTIFY TECHNOLOGY S.A. 0.12%
- ANGLOGOLD ASHANTI PLC 0.08%
- Nu Holdings Ltd. 0.08%
- Restaurant Brands International Inc. 0.04%
- BROOKFIELD ASSET MANAGEMENT LTD. 0.03%
- SOUTHERN COPPER CORPORATION 0.02%
- Viking Holdings Ltd 0.02%
- Qiagen N.V. 0.01%
- XP Inc. 0.01%
- MILLICOM INTERNATIONAL CELLULAR S.A. 0.01%
Open ITOT or IWB 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.