Guardfolio Research · ETF Overlap
IWF vs VTI Overlap: 32.5% of Weight in Shared Holdings
IWF (iShares Russell 1000 Growth) and VTI (Vanguard Total Stock Market) overlap by 32.5% of weight through 9 shared top-10 holdings — including NVDA, AAPL, MSFT, AMZN, GOOGL. Here is exactly which stocks duplicate, the sector picture, and whether holding both concentrates or diversifies your portfolio.
Overlap Summary
Bottom line
IWF and VTI share 32.5% of their top-10 weight across 9 common holdings. That is significant overlap: the funds reinforce the same bet, so combining them concentrates you more than it diversifies.
The Data
Exactly which stocks IWF and VTI share
The table below shows every holding that appears in both funds' top 10, with each fund's weight and the shared (minimum) weight that counts toward overlap.
| Holding | IWF weight | VTI weight | Shared (min) |
|---|---|---|---|
| NVIDIA Corp. (NVDA) | 14.79% | 6.64% | 6.64% |
| Apple Inc. (AAPL) | 11.58% | 5.74% | 5.74% |
| Microsoft Corp. (MSFT) | 8.26% | 4.36% | 4.36% |
| Amazon.com, Inc. (AMZN) | 5.06% | 3.69% | 3.69% |
| Alphabet Inc. (GOOGL) | 4.18% | 3.23% | 3.23% |
| Broadcom Inc. (AVGO) | 5.76% | 2.85% | 2.85% |
| Alphabet Inc. (GOOG) | 3.37% | 2.54% | 2.54% |
| Meta Platforms, Inc. (META) | 3.16% | 1.93% | 1.93% |
| Tesla, Inc. (TSLA) | 3.58% | 1.55% | 1.55% |
| Total shared top-10 weight | 59.7% | 32.5% | 32.5% |
Weights are approximate, based on the most recent quarterly holdings. The 32.5% figure is the sum of the lesser of each fund's weight per shared holding (the conservative top-10 method).
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Sector Picture
IWF vs VTI: sector exposure side by side
Two funds can share few holdings yet still concentrate the same sectors. Here is how the top sectors compare (71.0% combined sector overlap).
| Sector | IWF | VTI |
|---|---|---|
| Technology | 52.8% | 30.9% |
| Consumer Discretionary | 13.2% | 10.4% |
| Communication Services | 9.5% | 7.6% |
| Healthcare | 6.4% | 9.6% |
| Financial Services | 6.3% | 13.0% |
| Industrials | 5.7% | 9.8% |
The Verdict
Should you hold both IWF and VTI?
IWF and VTI share 32.5% of their top-10 weight across 9 common holdings. That is significant overlap: the funds reinforce the same bet, so combining them concentrates you more than it diversifies. Worth knowing before you size both as core positions.
FAQ
IWF vs VTI overlap: common questions
How much do IWF and VTI overlap?
IWF (iShares Russell 1000 Growth) and VTI (Vanguard Total Stock Market) overlap by approximately 32.5% of weight based on their top-10 holdings, with 71.0% sector overlap. They share 9 top-10 holdings: NVDA, AAPL, MSFT, AMZN, GOOGL, AVGO, GOOG, META, TSLA.
What stocks do IWF and VTI both hold?
Both IWF and VTI hold NVIDIA Corp (NVDA), Apple Inc (AAPL), Microsoft Corp (MSFT), Amazon (AMZN), Alphabet Inc (GOOGL), Broadcom Inc (AVGO), Alphabet Inc (GOOG), Meta Platforms (META) among their top positions. These shared names account for the 32.5% weight overlap.
Is it worth holding both IWF and VTI?
IWF and VTI share 32.5% of their top-10 weight across 9 common holdings. That is significant overlap: the funds reinforce the same bet, so combining them concentrates you more than it diversifies. Worth knowing before you size both as core positions.
What is the difference between IWF and VTI?
IWF is a large-cap growth fund (US Large-Cap Growth, 0.19% expense ratio) and VTI is a total US market fund (US Total Market, 0.03% expense ratio). IWF's top 10 is 62.2% of the fund; VTI's is 33.8%.
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