ETF comparison
FNDX vs IWB
Both US Large Cap.
Schwab Fundamental U.S. Large Company ETF · iShares Russell 1000 ETF
Holdings overlap
631 positions appear in both funds. Buying equal dollars of FNDX and IWB would leave roughly 63.4% 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
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
631 shared in total| # | Holding | In FNDX | In IWB | Overlap |
|---|---|---|---|---|
| 1 | Apple Inc | 4.03% | 6.10% | 4.03% |
| 2 | Alphabet Inc | 2.19% | 2.79% | 2.19% |
| 3 | Microsoft Corp | 2.01% | 4.58% | 2.01% |
| 4 | Alphabet Inc | 1.76% | 2.27% | 1.76% |
| 5 | Berkshire Hathaway Inc | 1.52% | 1.47% | 1.47% |
| 6 | JPMorgan Chase & Co | 1.45% | 1.33% | 1.33% |
| 7 | Amazon.com Inc | 1.31% | 3.33% | 1.31% |
| 8 | Meta Platforms Inc | 1.21% | 2.08% | 1.21% |
| 9 | Exxon Mobil Corp | 2.66% | 1.20% | 1.20% |
| 10 | Johnson & Johnson | 1.23% | 0.98% | 0.98% |
| 11 | Walmart Inc | 1.22% | 0.90% | 0.90% |
| 12 | Chevron Corp | 1.64% | 0.65% | 0.65% |
Only in FNDX
77 total- Seagate Technology Holdings PLC 0.19%
- Lumen Technologies Inc 0.18%
- TE Connectivity PLC 0.13%
- PBF Energy Inc 0.10%
- State Street Institutional US Government Money Market Fund 0.08%
- Kohl's Corp 0.08%
- Amcor PLC 0.08%
- Paramount Skydance Corp 0.06%
- World Kinect Corp 0.06%
- Commercial Metals Co 0.05%
Only in IWB
374 total- PALANTIR TECHNOLOGIES INC. 0.53%
- MEDTRONIC PUBLIC LIMITED COMPANY 0.19%
- CROWDSTRIKE HOLDINGS, INC. 0.16%
- VERTIV HOLDINGS CO 0.16%
- APPLOVIN CORPORATION 0.16%
- TRANE TECHNOLOGIES PLC 0.15%
- SPOTIFY TECHNOLOGY S.A. 0.12%
- CLOUDFLARE, INC. 0.11%
- DOORDASH, INC. 0.09%
- AIRBNB, INC. 0.09%
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.