IVV vs IWR: Holdings Overlap
iShares · 503 holdings · $901.0B · as of 2026-03-31
IWRiShares Russell Mid-Cap ETF
iShares · 806 holdings · $57.6B · as of 2026-03-31
How similar are IVV and IWR?
iShares Core S&P 500 ETF (IVV, by iShares) holds 503 positions; iShares Russell Mid-Cap ETF (IWR, by iShares) holds 806. They have 308 holdings in common, and by portfolio weight the two funds are 15.1% identical. In practical terms the pair is lightly overlapping, with most of each portfolio distinct.
- Overlap by Weight
- 15.1%Sum of the smaller weight of each shared holding
- Shared Holdings
- 308IVV holds 503 · IWR holds 806
- Weight in Shared Holdings
- IVV 16%·IWR 67%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 IVV
195 of 503 positions (83.9% of the fund) are not held by IWR. Showing the top 30 by weight.
Sector Breakdown
| Sector | IVV | IWR |
|---|---|---|
| Information Technology | 32.6% | 13.0% |
| Industrials | 9.0% | 18.7% |
| Financials | 12.6% | 13.6% |
| Consumer Discretionary | 9.8% | 10.8% |
| Communication Services | 10.5% | 3.6% |
| Other Sectors | 25.3% | 39.9% |
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 |
|---|---|---|---|---|---|---|---|
| IVV | +3.4% | +14.0% | +23.7% | +21.3% | +13.4% | +15.4% | 1.05% |
| 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 IVV vs IWR →
Shared Holdings(308)
The top 10 shared positions account for 10% of the overlap, led by GLW, VRT and SNDK.
 GLWCorning, Inc. | 0.19% | 0.84% | 0.19% |
|---|---|---|---|
 VRTVertiv Holdings Co., Class A | 0.17% | 0.76% | 0.17% |
 SNDKSandisk Corp. | 0.17% | 0.72% | 0.17% |
 HWMHowmet Aerospace, Inc. | 0.16% | 0.73% | 0.16% |
 WDCWestern Digital Corp. | 0.16% | 0.73% | 0.16% |
 PWRQuanta Services, Inc. | 0.15% | 0.64% | 0.15% |
 BNYBank of New York Mellon Corp. (The) | 0.15% | 0.65% | 0.15% |
 VLOValero Energy Corp. | 0.13% | 0.60% | 0.13% |
 CMICummins, Inc. | 0.13% | 0.59% | 0.13% |
 PSXPhillips 66 | 0.13% | 0.58% | 0.13% |
 MPCMarathon Petroleum Corp. | 0.13% | 0.58% | 0.13% |
 ROSTRoss Stores, Inc. | 0.13% | 0.55% | 0.13% |
 HLTHilton Worldwide Holdings, Inc. | 0.12% | 0.55% | 0.12% |
 RCLRoyal Caribbean Cruises Ltd. | 0.12% | 0.55% | 0.12% |
 WBDWarner Bros Discovery, Inc. | 0.12% | 0.51% | 0.12% |
 KMIKinder Morgan, Inc. | 0.12% | 0.52% | 0.12% |
 LHXL3Harris Technologies, Inc. | 0.12% | 0.51% | 0.12% |
 CORCencora, Inc. | 0.11% | 0.46% | 0.11% |
 SPGSimon Property Group, Inc. | 0.11% | 0.48% | 0.11% |
 BKRBaker Hughes Co., Class A | 0.11% | 0.48% | 0.11% |
 DLRDigital Realty Trust, Inc. | 0.10% | 0.49% | 0.10% |
 OKEONEOK, Inc. | 0.10% | 0.45% | 0.10% |
 CTVACorteva, Inc. | 0.10% | 0.45% | 0.10% |
 ORealty Income Corp. | 0.10% | 0.44% | 0.10% |
 HOODRobinhood Markets, Inc., Class A | 0.10% | 0.42% | 0.10% |
Showing the top 250 of 308 shared holdings by overlap weight.
Frequently Asked Questions
How much do IVV and IWR overlap?
IVV and IWR overlap by 15.1% of portfolio weight. They share 308 holdings (IVV holds 503 positions and IWR holds 806), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IVV and IWR?
The two portfolios are 15.1% 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 IVV and IWR?
The largest positions held by both funds are GLW, VRT, SNDK, HWM and WDC. Together the top 10 shared positions account for 10% of the total overlap.
What does IVV own that IWR doesn't?
195 positions (83.9% of IVV) are unique to IVV, led by NVDA, AAPL and MSFT. In the other direction, 498 positions (32.7% of IWR) are unique to IWR.