IVW vs VB: how much do they overlap?
iShares S&P 500 Growth ETF (IVW) · Vanguard Small-Cap ETF (VB)
overlap by weight · 17 shared holdings
IVW: 143 holdings (as of 2026-03-31) · VB: 1312 holdings (as of 2026-03-31)
Low overlap
What this means
IVW and VB hold mostly different stocks. Combining them genuinely spreads your exposure across different parts of the market.
Overlap by weight sums the smaller of the two funds' weights for every stock they both hold — it answers "how much of my money is in the same stocks either way?" See methodology.
Top shared holdings
| Company | Ticker | in IVW | in VB |
|---|---|---|---|
| Ciena Corporation | CIEN | 0.19% | 0.38% |
| Lumentum Holdings Inc. | LITE | 0.17% | 0.35% |
| Comfort Systems USA Inc. | FIX | 0.17% | 0.34% |
| Coherent Corp | COHR | 0.15% | 0.31% |
| Emcor Group Inc | EME | 0.11% | 0.46% |
| Tapestry Inc | TPR | 0.1% | 0.4% |
| NRG Energy, Inc. | NRG | 0.08% | 0.43% |
| First Solar Inc | FSLR | 0.07% | 0.14% |
| Jabil Inc | JBL | 0.06% | 0.37% |
| EchoStar Corp. | ECHO | 0.05% | 0.22% |
FAQ
How much do IVW and VB overlap?
IVW and VB have a 1.4% overlap by weight, sharing 17 holdings (out of 143 in IVW and 1312 in VB), based on official issuer holdings as of 2026-03-31.
What does 1.4% overlap mean?
IVW and VB hold mostly different stocks. Combining them genuinely spreads your exposure across different parts of the market.
Which stocks do IVW and VB both hold?
The largest shared positions are Ciena Corporation, Lumentum Holdings Inc., Comfort Systems USA Inc., Coherent Corp, Emcor Group Inc. The full list of top shared holdings with weights in each fund is shown on this page.