ETF comparison
IWP vs IWS
Both US Mid Cap.
iShares Russell Mid-Cap Growth ETF · iShares Russell Mid-Cap Value ETF
Holdings overlap
162 positions appear in both funds. Buying equal dollars of IWP and IWS would leave roughly 10.6% 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
Expense ratios are effectively identical (0.23% vs 0.23%).
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 IWP vs IWS.
Top shared holdings
162 shared in total| # | Holding | In IWP | In IWS | Overlap |
|---|---|---|---|---|
| 1 | United Rentals, Inc. | 0.45% | 0.53% | 0.45% |
| 2 | Coherent Corp. | 0.40% | 0.54% | 0.40% |
| 3 | Marathon Petroleum Corp. | 1.05% | 0.36% | 0.36% |
| 4 | Royal Caribbean Cruises Ltd. | 1.24% | 0.34% | 0.34% |
| 5 | Yum! Brands, Inc. | 0.36% | 0.30% | 0.30% |
| 6 | eBay, Inc. | 0.30% | 0.38% | 0.30% |
| 7 | Cardinal Health, Inc. | 0.70% | 0.30% | 0.30% |
| 8 | Keysight Technologies, Inc. | 0.93% | 0.25% | 0.25% |
| 9 | Kimberly-Clark Corp. | 0.32% | 0.24% | 0.24% |
| 10 | Old Dominion Freight Line, Inc. | 0.23% | 0.31% | 0.23% |
| 11 | Sysco Corp. | 0.52% | 0.21% | 0.21% |
| 12 | Electronic Arts, Inc. | 0.19% | 0.43% | 0.19% |
Only in IWP
104 total- Datadog, Inc. 2.34%
- Snowflake, Inc. 2.33%
- Cloudflare, Inc. 2.12%
- Teradyne, Inc. 2.07%
- Astera Labs, Inc. 2.02%
- Simon Property Group, Inc. 1.96%
- Comfort Systems USA, Inc. 1.89%
- Lumentum Holdings, Inc. 1.67%
- Targa Resources Corp. 1.56%
- Rocket Lab Corp. 1.49%
Only in IWS
558 total- WARNER BROS. DISCOVERY INC 0.63%
- DIGITAL REALTY TRUST INC 0.62%
- KINDER MORGAN INC 0.61%
- ALLSTATE CORP (THE) 0.60%
- HEWLETT PACKARD ENTERPRISE COMPANY 0.59%
- FLEX LTD 0.58%
- REALTY INCOME CORP 0.57%
- CORTEVA INC 0.56%
- AMETEK INC 0.54%
- BAKER HUGHES COMPANY 0.54%
Related comparisons
More comparisons with IWP
- IWP vs VTI · Vanguard Morningstar Total Stock Market ETF 7.5%
- IWP vs ITOT · iShares Core S&P Total U.S. Stock Market ETF 7.5%
- IWP vs SCHB · Schwab U.S. Broad Market ETF 7.2%
- IWP vs VUG · Vanguard Morningstar Growth ETF 5.6%
- IWP vs IWD · iShares Russell 1000 Value ETF 4.8%
- IWP vs IJJ · iShares S&P Mid-Cap 400 Value ETF 4.7%
More comparisons with IWS
Percentages are holdings overlap with the named fund.
Open IWP 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.