IJK vs IWR: Holdings Overlap
IJKiShares S&P Mid-Cap 400 Growth ETF
iShares · 242 holdings · $11.0B · as of 2026-03-31
IWRiShares Russell Mid-Cap ETF
iShares · 806 holdings · $57.6B · as of 2026-03-31
How similar are IJK and IWR?
iShares S&P Mid-Cap 400 Growth ETF (IJK, by iShares) holds 242 positions; iShares Russell Mid-Cap ETF (IWR, by iShares) holds 806. They have 180 holdings in common, and by portfolio weight the two funds are 13.5% identical. In practical terms the pair is lightly overlapping, with most of each portfolio distinct.
- Overlap by Weight
- 13.5%Sum of the smaller weight of each shared holding
- Shared Holdings
- 180IJK holds 242 · IWR holds 806
- Weight in Shared Holdings
- IJK 79%·IWR 14%Share of each fund's weight in stocks both funds own
Based on each fund's latest official holdings. How is this calculated?
What makes each fund different
Only in IJK
62 of 242 positions (20.7% of the fund) are not held by IWR. Showing the top 30 by weight.
Sector Breakdown
| Sector | IJK | IWR |
|---|---|---|
| Industrials | 31.3% | 18.7% |
| Information Technology | 17.3% | 13.0% |
| Health Care | 14.4% | 9.2% |
| Financials | 7.2% | 13.6% |
| Consumer Discretionary | 10.2% | 10.8% |
| Other Sectors | 19.4% | 34.3% |
Share of each fund's portfolio weight by GICS-style sector, compiled from issuer fund data and our own classification of the holdings, not the issuers' published sector charts.
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| IJK | +3.1% | +21.4% | +27.9% | +15.9% | +8.4% | +11.3% | 0.52% |
| IWR | +2.9% | +18.1% | +23.0% | +16.4% | +8.5% | +11.6% | 1.12% |
Total returns including dividends, from adjusted daily closes as of 2026-08-07. 3Y/5Y/10Y are annualized. Yield is trailing-12-month distributions over the last close. Past performance does not predict future results.
Project the growth of $10,000 in IJK vs IWR →
Shared Holdings(180)
The top 10 shared positions account for 14% of the overlap, led by FTI, CASY and UTHR.
 FTITechnipFMC plc | 1.71% | 0.22% | 0.22% |
|---|---|---|---|
 CASYCasey's General Stores, Inc. | 1.65% | 0.21% | 0.21% |
 UTHRUnited Therapeutics Corp. | 1.57% | 0.20% | 0.20% |
 CWCurtiss-Wright Corp. | 1.54% | 0.20% | 0.20% |
 FLEXFlex Ltd. | 1.48% | 0.19% | 0.19% |
 XPOXPO, Inc. | 1.40% | 0.18% | 0.18% |
 RGLDRoyal Gold, Inc. | 1.26% | 0.17% | 0.17% |
 WWDWoodward, Inc. | 1.31% | 0.17% | 0.17% |
 BURLBurlington Stores, Inc. | 0.76% | 0.16% | 0.16% |
 MTZMasTec, Inc. | 1.21% | 0.16% | 0.16% |
 ATIATI, Inc. | 1.21% | 0.16% | 0.16% |
 CRSCarpenter Technology Corp. | 1.20% | 0.15% | 0.15% |
 ILMNIllumina, Inc. | 0.62% | 0.15% | 0.15% |
 NVTnVent Electric plc | 1.17% | 0.15% | 0.15% |
 BWXTBWX Technologies, Inc. | 1.15% | 0.15% | 0.15% |
 PEverpure, Inc., Class A | 1.14% | 0.15% | 0.15% |
 TWLOTwilio, Inc., Class A | 1.17% | 0.14% | 0.14% |
 RBARB Global, Inc. | 1.09% | 0.14% | 0.14% |
 ENTGEntegris, Inc. | 0.44% | 0.14% | 0.14% |
 RBCRBC Bearings, Inc. | 1.05% | 0.13% | 0.13% |
 THCTenet Healthcare Corp. | 1.02% | 0.13% | 0.13% |
 ITTITT, Inc. | 1.00% | 0.13% | 0.13% |
 MKSIMKS, Inc. | 0.67% | 0.12% | 0.12% |
 SGISomnigroup International, Inc. | 0.95% | 0.12% | 0.12% |
 MTSIMACOM Technology Solutions Holdings, Inc. | 0.88% | 0.12% | 0.12% |
Frequently Asked Questions
How much do IJK and IWR overlap?
IJK and IWR overlap by 13.5% of portfolio weight. They share 180 holdings (IJK holds 242 positions and IWR holds 806), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IJK and IWR?
The two portfolios are 13.5% identical by weight. Owning both is not redundant. Most of each portfolio is distinct, so the funds can serve different roles.
What are the biggest shared holdings of IJK and IWR?
The largest positions held by both funds are FTI, CASY, UTHR, CW and FLEX. Together the top 10 shared positions account for 14% of the total overlap.
What does IJK own that IWR doesn't?
62 positions (20.7% of IJK) are unique to IJK, led by FN, KTOS and STRL. In the other direction, 626 positions (86.2% of IWR) are unique to IWR.