ETF comparison
FNDX vs IWB
Both US Large Cap.
Schwab Fundamental U.S. Large Company ETF · iShares Russell 1000 ETF
Holdings overlap
640 positions appear in both funds. Buying equal dollars of FNDX and IWB would leave roughly 61.3% 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
IWB is 10 bps cheaper than FNDX. On a $100,000 position that's about $100/yr more in fees for FNDX.
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 FNDX vs IWB.
Top shared holdings
640 shared in total| # | Holding | In FNDX | In IWB | Overlap |
|---|---|---|---|---|
| 1 | Apple Inc | 4.46% | 6.03% | 4.46% |
| 2 | Microsoft Corp | 2.82% | 3.99% | 2.82% |
| 3 | Amazon.com Inc | 1.80% | 3.33% | 1.80% |
| 4 | Alphabet Inc | 1.78% | 3.00% | 1.78% |
| 5 | Alphabet Inc | 1.41% | 2.42% | 1.41% |
| 6 | Berkshire Hathaway Inc | 1.60% | 1.34% | 1.34% |
| 7 | JPMorgan Chase & Co | 1.63% | 1.26% | 1.26% |
| 8 | Meta Platforms Inc | 1.21% | 1.78% | 1.21% |
| 9 | Micron Technology Inc | 0.97% | 1.87% | 0.97% |
| 10 | Intel Corp | 1.42% | 0.88% | 0.88% |
| 11 | Johnson & Johnson | 1.06% | 0.88% | 0.88% |
| 12 | Walmart Inc | 0.88% | 0.72% | 0.72% |
Only in FNDX
91 total- ExxonMobil Holdings Corp 2.42%
- Seagate Technology Holdings PLC 0.16%
- PBF Energy Inc 0.16%
- TE Connectivity PLC 0.10%
- Lumen Technologies Inc 0.10%
- ManpowerGroup Inc 0.06%
- SM Energy Co 0.06%
- Paramount Skydance Corp 0.06%
- Kohl's Corp 0.06%
- World Kinect Corp 0.05%
Only in IWB
384 total- EXXON MOBIL CORPORATION 0.82%
- PALANTIR TECHNOLOGIES INC. 0.37%
- CROWDSTRIKE HOLDINGS, INC. 0.28%
- APPLOVIN CORPORATION 0.18%
- SPACE EXPLORATION TECHNOLOGIES CORP. 0.13%
- SNOWFLAKE INC. 0.12%
- DATADOG, INC. 0.12%
- BLOOM ENERGY CORPORATION 0.12%
- CLOUDFLARE, INC. 0.11%
- ROBINHOOD MARKETS, INC. 0.11%
Related comparisons
More comparisons with FNDX
- FNDX vs SPYM · State Street SPDR Portfolio S&P 500 ETF 61.3%
- FNDX vs IVV · iShares Core S&P 500 ETF 61.2%
- FNDX vs VOO · Vanguard S&P 500 ETF 61.1%
- FNDX vs SPY · State Street SPDR S&P 500 ETF Trust 61.0%
- FNDX vs ITOT · iShares Core S&P Total U.S. Stock Market ETF 60.4%
- FNDX vs VTI · Vanguard Morningstar Total Stock Market ETF 60.2%
More comparisons with IWB
Percentages are holdings overlap with the named fund.
Open FNDX 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.