IWR vs IWP: Holdings Overlap
IWRiShares Russell Mid-Cap ETF
iShares · 806 holdings · $57.6B · as of 2026-03-31
IWPiShares Russell Mid-Cap Growth ETF
iShares · 277 holdings · $20.5B · as of 2026-03-31
How similar are IWR and IWP?
iShares Russell Mid-Cap ETF (IWR, by iShares) holds 806 positions; iShares Russell Mid-Cap Growth ETF (IWP, by iShares) holds 277. They have 277 holdings in common, and by portfolio weight the two funds are 31.9% identical. In practical terms the pair is moderately overlapping; they share a meaningful core, but each fund adds distinct exposure.
- Overlap by Weight
- 31.9%Sum of the smaller weight of each shared holding
- Shared Holdings
- 277IWR holds 806 · IWP holds 277
- Weight in Shared Holdings
- IWR 37%·IWP 100%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 IWR
529 of 806 positions (62.8% of the fund) are not held by IWP. Showing the top 30 by weight.
Only in IWP
Every position in IWP is also held by IWR, so it brings nothing the other fund doesn’t already own.
Sector Breakdown
| Sector | IWR | IWP |
|---|---|---|
| Industrials | 18.7% | 24.4% |
| Consumer Discretionary | 10.8% | 21.2% |
| Information Technology | 13.0% | 15.6% |
| Health Care | 9.2% | 14.9% |
| Financials | 13.6% | 8.5% |
| Other Sectors | 34.3% | 15.3% |
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 |
|---|---|---|---|---|---|---|---|
| IWR | +2.9% | +18.1% | +23.0% | +16.4% | +8.5% | +11.6% | 1.12% |
| IWP | +1.5% | +5.4% | +3.1% | +14.6% | +5.1% | +12.1% | 0.34% |
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 IWR vs IWP →
Shared Holdings(277)
The top 10 shared positions account for 18% of the overlap, led by VRT, HWM and PWR.
 VRTVertiv Holdings Co., Class A | 0.76% | 3.43% | 0.76% |
|---|---|---|---|
 HWMHowmet Aerospace, Inc. | 0.73% | 3.32% | 0.73% |
 PWRQuanta Services, Inc. | 0.64% | 2.25% | 0.64% |
 RCLRoyal Caribbean Cruises Ltd. | 0.55% | 2.51% | 0.55% |
 HLTHilton Worldwide Holdings, Inc. | 0.55% | 2.49% | 0.55% |
 NETCloudflare, Inc., Class A | 0.51% | 2.33% | 0.51% |
 ROSTRoss Stores, Inc. | 0.55% | 0.50% | 0.50% |
 LNGCheniere Energy, Inc. | 0.48% | 0.98% | 0.48% |
 SPGSimon Property Group, Inc. | 0.48% | 0.48% | 0.48% |
 CORCencora, Inc. | 0.46% | 2.07% | 0.46% |
 TRGPTarga Resources Corp. | 0.42% | 1.92% | 0.42% |
 FASTFastenal Co. | 0.42% | 1.57% | 0.42% |
 VSTVistra Corp. | 0.40% | 1.83% | 0.40% |
 MPWRMonolithic Power Systems, Inc. | 0.40% | 1.82% | 0.40% |
 CAHCardinal Health, Inc. | 0.40% | 0.91% | 0.40% |
 FIXComfort Systems USA, Inc. | 0.38% | 1.73% | 0.38% |
 GWWWW Grainger, Inc. | 0.38% | 1.46% | 0.38% |
 IDXXIDEXX Laboratories, Inc. | 0.35% | 1.61% | 0.35% |
 YUMYum! Brands, Inc. | 0.34% | 0.52% | 0.34% |
 CVNACarvana Co., Class A | 0.34% | 1.53% | 0.34% |
 ALNYAlnylam Pharmaceuticals, Inc. | 0.33% | 1.51% | 0.33% |
 AMPAmeriprise Financial, Inc. | 0.32% | 1.32% | 0.32% |
 MSCIMSCI, Inc. | 0.30% | 0.68% | 0.30% |
 DDOGDatadog, Inc., Class A | 0.29% | 1.33% | 0.29% |
 TTWOTake-Two Interactive Software, Inc. | 0.29% | 0.44% | 0.29% |
Showing the top 250 of 277 shared holdings by overlap weight.
Frequently Asked Questions
How much do IWR and IWP overlap?
IWR and IWP overlap by 31.9% of portfolio weight. They share 277 holdings (IWR holds 806 positions and IWP holds 277), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IWR and IWP?
The two portfolios are 31.9% identical by weight. Owning both is defensible: they share a meaningful core, but each fund adds exposure the other lacks.
What are the biggest shared holdings of IWR and IWP?
The largest positions held by both funds are VRT, HWM, PWR, RCL and HLT. Together the top 10 shared positions account for 18% of the total overlap.
What does IWR own that IWP doesn't?
529 positions (62.8% of IWR) are unique to IWR, led by GLW, WDC and SNDK. In the other direction, 0 positions (0.0% of IWP) are unique to IWP.