IVV vs VB: Holdings Overlap
iShares · 503 holdings · $901.0B · as of 2026-03-31
VBVanguard Small-cap Index Fund
Vanguard · 1312 holdings · $82.5B · as of 2026-03-31
How similar are IVV and VB?
iShares Core S&P 500 ETF (IVV, by iShares) holds 503 positions; Vanguard Small-cap Index Fund (VB, by Vanguard) holds 1312. They have 122 holdings in common, and by portfolio weight the two funds are 3.4% identical. In practical terms the pair is essentially distinct, holding almost none of the same securities.
- Overlap by Weight
- 3.4%Sum of the smaller weight of each shared holding
- Shared Holdings
- 122IVV holds 503 · VB holds 1312
- Weight in Shared Holdings
- IVV 3%·VB 22%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
381 of 503 positions (96.4% of the fund) are not held by VB. Showing the top 30 by weight.
Only in VB
1190 of 1312 positions (77.8% of the fund) are not held by IVV. Showing the top 30 by weight.
Sector Breakdown
| Sector | IVV | VB |
|---|---|---|
| Information Technology | 32.6% | 13.8% |
| Industrials | 9.0% | 21.2% |
| Financials | 12.6% | 13.4% |
| Health Care | 9.4% | 11.6% |
| Consumer Discretionary | 9.8% | 10.5% |
| Other Sectors | 26.3% | 28.5% |
| Unclassified | 0.0% | 0.7% |
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. “Unclassified” is weight we could not classify (0% of IVV, 1% of VB).
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% |
| VB | +2.5% | +19.5% | +29.1% | +15.9% | +8.1% | +11.3% | 1.18% |
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 VB →
Shared Holdings(122)
The top 10 shared positions account for 21% of the overlap, led by CIEN, LITE and FIX.
 CIENCiena Corporation COM NEW | 0.10% | 0.38% | 0.10% |
|---|---|---|---|
 LITELumentum Holdings Inc. COM | 0.09% | 0.35% | 0.09% |
 FIXComfort Systems USA Inc. COM | 0.09% | 0.34% | 0.09% |
 COHRCoherent Corp COM | 0.08% | 0.31% | 0.08% |
 EQTEQT Corporation COM | 0.07% | 0.28% | 0.07% |
 EMEEmcor Group Inc COM | 0.06% | 0.46% | 0.06% |
 NRGNRG Energy, Inc. COM NEW | 0.06% | 0.43% | 0.06% |
 ATOAtmos Energy Corp. COM | 0.05% | 0.43% | 0.05% |
 DOWDow Inc COM | 0.05% | 0.21% | 0.05% |
 TPRTapestry Inc COM | 0.05% | 0.40% | 0.05% |
 JBLJabil Inc COM | 0.05% | 0.37% | 0.05% |
 TPLTexas Pacific Land Corporation COM | 0.05% | 0.19% | 0.05% |
 EXEExpand Energy Corp. COM | 0.05% | 0.37% | 0.05% |
 HUBBHubbell Incorporated COM | 0.05% | 0.18% | 0.05% |
 STLDSteel Dynamics, Inc. COM | 0.04% | 0.17% | 0.04% |
 QQnity Electronics Inc. COMMON STOCK | 0.04% | 0.17% | 0.04% |
 OMCOmnicom Group Inc COM | 0.04% | 0.33% | 0.04% |
 NINiSource Inc. COM | 0.04% | 0.16% | 0.04% |
 WSMWilliams-Sonoma Inc. COM | 0.04% | 0.30% | 0.04% |
 ALBAlbemarle Corp COM | 0.04% | 0.30% | 0.04% |
 FSLRFirst Solar Inc COM | 0.04% | 0.14% | 0.04% |
 SWSmurfit WestRock plc COM USD0.001 | 0.04% | 0.29% | 0.04% |
 LYBLyondellBasell Industries NV COM EUR0.04 CLASS 'A' | 0.04% | 0.15% | 0.04% |
 CFCF Industries Holdings, Inc. COM | 0.04% | 0.28% | 0.04% |
 LDOSLeidos Holdings Inc COM | 0.04% | 0.14% | 0.04% |
Frequently Asked Questions
How much do IVV and VB overlap?
IVV and VB overlap by 3.4% of portfolio weight. They share 122 holdings (IVV holds 503 positions and VB holds 1312), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IVV and VB?
The two portfolios are 3.4% identical by weight. Owning both is genuine diversification: the funds hold almost none of the same securities.
What are the biggest shared holdings of IVV and VB?
The largest positions held by both funds are CIEN, LITE, FIX, COHR and EQT. Together the top 10 shared positions account for 21% of the total overlap.
What does IVV own that VB doesn't?
381 positions (96.4% of IVV) are unique to IVV, led by NVDA, AAPL and MSFT. In the other direction, 1190 positions (77.8% of VB) are unique to VB.