ETF comparison
IJK vs IWR
Both US Mid Cap.
iShares S&P Mid-Cap 400 Growth ETF · iShares Russell Mid-Cap ETF
Holdings overlap
201 positions appear in both funds. Buying equal dollars of IJK and IWR would leave roughly 15.9% 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
IJK is 2 bps cheaper than IWR. On a $100,000 position that's about $20/yr more in fees for IWR.
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 IWR.
Top shared holdings
201 shared in total| # | Holding | In IJK | In IWR | Overlap |
|---|---|---|---|---|
| 1 | Twilio, Inc. | 1.66% | 0.22% | 0.22% |
| 2 | MKS, Inc. | 1.13% | 0.22% | 0.22% |
| 3 | Carpenter Technology Corp. | 1.62% | 0.22% | 0.22% |
| 4 | Curtiss-Wright Corp. | 1.48% | 0.20% | 0.20% |
| 5 | Entegris, Inc. | 0.58% | 0.20% | 0.20% |
| 6 | nVent Electric plc | 1.45% | 0.20% | 0.20% |
| 7 | Illumina, Inc. | 0.76% | 0.19% | 0.19% |
| 8 | ATI, Inc. | 1.42% | 0.19% | 0.19% |
| 9 | TechnipFMC plc | 1.40% | 0.19% | 0.19% |
| 10 | MasTec, Inc. | 1.36% | 0.19% | 0.19% |
| 11 | MACOM Technology Solutions Holdings, Inc. | 1.32% | 0.18% | 0.18% |
| 12 | Woodward, Inc. | 1.34% | 0.18% | 0.18% |
Only in IJK
42 total- Moog, Inc. 0.64%
- CareTrust REIT, Inc. 0.50%
- EnerSys 0.46%
- FirstCash Holdings, Inc. 0.44%
- HealthEquity, Inc. 0.40%
- Hims & Hers Health, Inc. 0.39%
- InterDigital, Inc. 0.39%
- Ormat Technologies, Inc. 0.35%
- Cytokinetics, Inc. 0.33%
- Lantheus Holdings, Inc. 0.26%
Only in IWR
623 total- Datadog, Inc. 0.62%
- Snowflake, Inc. 0.61%
- Royal Caribbean Cruises Ltd. 0.58%
- Cloudflare, Inc. 0.56%
- Robinhood Markets, Inc. 0.56%
- Teradyne, Inc. 0.55%
- Marathon Petroleum Corp. 0.54%
- Astera Labs, Inc. 0.53%
- Simon Property Group, Inc. 0.52%
- United Rentals, Inc. 0.51%
Related comparisons
More comparisons with IJK
- IJK vs IWS · iShares Russell Mid-Cap Value ETF 14.8%
- IJK vs IWM · iShares Russell 2000 ETF 6.0%
- IJK vs IWD · iShares Russell 1000 Value ETF 4.2%
- IJK vs ITOT · iShares Core S&P Total U.S. Stock Market ETF 3.4%
- IJK vs VTI · Vanguard Morningstar Total Stock Market ETF 3.4%
- IJK vs SCHB · Schwab U.S. Broad Market ETF 3.2%
More comparisons with IWR
- IWR vs IJJ · iShares S&P Mid-Cap 400 Value ETF 14.7%
- IWR vs VIG · Vanguard Dividend Appreciation Index Fund ETF Shares 13.9%
- IWR vs VOO · Vanguard S&P 500 ETF 13.3%
- IWR vs SPYM · State Street SPDR Portfolio S&P 500 ETF 13.3%
- IWR vs IVV · iShares Core S&P 500 ETF 13.3%
- IWR vs SPY · State Street SPDR S&P 500 ETF Trust 12.1%
Percentages are holdings overlap with the named fund.
Open IJK or IWR 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.