ETF comparison
IJK vs IWP
Both US Mid Cap.
iShares S&P Mid-Cap 400 Growth ETF · iShares Russell Mid-Cap Growth ETF
Holdings overlap
78 positions appear in both funds. Buying equal dollars of IJK and IWP would leave roughly 17.7% 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
IJK is 6 bps cheaper than IWP. On a $100,000 position that's about $60/yr more in fees for IWP.
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 IJK vs IWP.
Top shared holdings
78 shared in total| # | Holding | In IJK | In IWP | Overlap |
|---|---|---|---|---|
| 1 | BlackRock Funds III | 4.65% | 4.34% | 4.34% |
| 2 | Burlington Stores, Inc. | 0.76% | 0.74% | 0.74% |
| 3 | Everpure, Inc. | 1.14% | 0.57% | 0.57% |
| 4 | Somnigroup International, Inc. | 0.95% | 0.54% | 0.54% |
| 5 | Guidewire Software, Inc. | 0.78% | 0.46% | 0.46% |
| 6 | Penumbra, Inc. | 0.79% | 0.45% | 0.45% |
| 7 | Lamar Advertising Co. | 0.40% | 0.39% | 0.39% |
| 8 | Texas Roadhouse, Inc. | 0.67% | 0.39% | 0.39% |
| 9 | Neurocrine Biosciences, Inc. | 0.81% | 0.39% | 0.39% |
| 10 | Dynatrace, Inc. | 0.68% | 0.39% | 0.39% |
| 11 | Lattice Semiconductor Corp. | 0.46% | 0.39% | 0.39% |
| 12 | Medpace Holdings, Inc. | 0.66% | 0.39% | 0.39% |
Only in IJK
166 total- TechnipFMC plc 1.71%
- United Therapeutics Corp. 1.57%
- Curtiss-Wright Corp. 1.54%
- Flex Ltd. 1.48%
- Woodward, Inc. 1.31%
- Royal Gold, Inc. 1.26%
- ATI, Inc. 1.21%
- nVent Electric plc 1.17%
- Fabrinet 1.15%
- Tenet Healthcare Corp. 1.02%
Only in IWP
201 total- Vertiv Holdings Co. 3.43%
- Howmet Aerospace, Inc. 3.32%
- Royal Caribbean Cruises Ltd. 2.51%
- Hilton Worldwide Holdings, Inc. 2.49%
- Cloudflare, Inc. 2.33%
- Quanta Services, Inc. 2.25%
- Cencora, Inc. 2.07%
- Targa Resources Corp. 1.92%
- Vistra Corp. 1.83%
- Monolithic Power Systems, Inc. 1.82%
Open IJK or IWP 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.