IVV vs IWS: Holdings Overlap
iShares · 503 holdings · $901.0B · as of 2026-03-31
IWSiShares Russell Mid-Cap Value ETF
iShares · 712 holdings · $15.9B · as of 2026-03-31
How similar are IVV and IWS?
iShares Core S&P 500 ETF (IVV, by iShares) holds 503 positions; iShares Russell Mid-Cap Value ETF (IWS, by iShares) holds 712. They have 277 holdings in common, and by portfolio weight the two funds are 13.1% identical. In practical terms the pair is lightly overlapping, with most of each portfolio distinct.
- Overlap by Weight
- 13.1%Sum of the smaller weight of each shared holding
- Shared Holdings
- 277IVV holds 503 · IWS holds 712
- Weight in Shared Holdings
- IVV 13%·IWS 69%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
226 of 503 positions (86.5% of the fund) are not held by IWS. Showing the top 30 by weight.
Only in IWS
435 of 712 positions (30.7% of the fund) are not held by IVV. Showing the top 30 by weight.
Sector Breakdown
| Sector | IVV | IWS |
|---|---|---|
| Information Technology | 32.6% | 12.3% |
| Industrials | 9.0% | 17.1% |
| Financials | 12.6% | 15.1% |
| Communication Services | 10.5% | 3.2% |
| Consumer Discretionary | 9.8% | 7.8% |
| Other Sectors | 25.3% | 44.0% |
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% |
| IWS | +3.3% | +22.1% | +29.8% | +16.6% | +9.8% | +10.4% | 1.27% |
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 IWS →
Shared Holdings(277)
The top 10 shared positions account for 11% of the overlap, led by GLW, SNDK and WDC.
 GLWCorning Incorporated COM | 0.19% | 1.08% | 0.19% |
|---|---|---|---|
 SNDKSandisk Corporation COM | 0.17% | 0.92% | 0.17% |
 WDCWestern Digital Corp. COM | 0.16% | 0.94% | 0.16% |
 PWRQuanta Services, Inc. COM | 0.15% | 0.19% | 0.15% |
 BNYThe Bank of New York Mellon Corp. COM | 0.15% | 0.77% | 0.15% |
 VLOValero Energy Corp. COM | 0.13% | 0.76% | 0.13% |
 CMICummins Inc. COM | 0.13% | 0.75% | 0.13% |
 PSXPhillips 66 COM | 0.13% | 0.69% | 0.13% |
 MPCMarathon Petroleum Corp. COM | 0.13% | 0.75% | 0.13% |
 ROSTRoss Stores Inc COM | 0.13% | 0.56% | 0.13% |
 WBDWarner Bros. Discovery Inc. COM SER A | 0.12% | 0.65% | 0.12% |
 KMIKinder Morgan, Inc. COM | 0.12% | 0.66% | 0.12% |
 LHXL3 Harris Technologies Inc COM | 0.12% | 0.66% | 0.12% |
 SPGSimon Property Group Inc COM | 0.11% | 0.48% | 0.11% |
 BKRBaker Hughes Co., Class A | 0.11% | 0.62% | 0.11% |
 DLRDigital Realty Trust Inc. COM | 0.10% | 0.63% | 0.10% |
 OKEOneok Inc. COM | 0.10% | 0.57% | 0.10% |
 CTVACorteva Inc COM | 0.10% | 0.58% | 0.10% |
 ORealty Income Corporation COM | 0.10% | 0.57% | 0.10% |
 HOODRobinhood Markets, Inc., Class A | 0.10% | 0.46% | 0.10% |
 CIENCiena Corporation COM NEW | 0.10% | 0.56% | 0.10% |
 ALLThe Allstate Corporation COM | 0.10% | 0.55% | 0.10% |
 FASTFastenal Co. COM | 0.10% | 0.10% | 0.10% |
 ETREntergy Corporation COM | 0.09% | 0.51% | 0.09% |
 LITELumentum Holdings Inc. COM | 0.09% | 0.47% | 0.09% |
Showing the top 250 of 277 shared holdings by overlap weight.
Frequently Asked Questions
How much do IVV and IWS overlap?
IVV and IWS overlap by 13.1% of portfolio weight. They share 277 holdings (IVV holds 503 positions and IWS holds 712), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IVV and IWS?
The two portfolios are 13.1% 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 IWS?
The largest positions held by both funds are GLW, SNDK, WDC, PWR and BNY. Together the top 10 shared positions account for 11% of the total overlap.
What does IVV own that IWS doesn't?
226 positions (86.5% of IVV) are unique to IVV, led by NVDA, AAPL and MSFT. In the other direction, 435 positions (30.7% of IWS) are unique to IWS.