ITOT vs VOOG: how much do they overlap?
iShares Core S&P Total U.S. Stock Market ETF (ITOT) · Vanguard S&P 500 Growth ETF (VOOG)
overlap by weight · 139 shared holdings
ITOT: 2470 holdings (as of 2026-03-31) · VOOG: 140 holdings (as of 2026-02-28)
Note: the two funds' latest official filings have different dates, which can understate overlap slightly for funds tracking similar indexes.
Moderate overlap
What this means
ITOT and VOOG share a meaningful slice of holdings. They are related but not interchangeable; check the shared names below to see where your exposure doubles up.
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 ITOT | in VOOG |
|---|---|---|---|
| NVIDIA Corp. | NVDA | 6.69% | 14.16% |
| Apple, Inc. | AAPL | 5.88% | 6.42% |
| Microsoft Corp. | MSFT | 4.34% | 9.6% |
| Amazon.com, Inc. | AMZN | 3.21% | 3.56% |
| Alphabet, Inc. | GOOGL | 2.64% | 5.97% |
| Broadcom, Inc. | AVGO | 2.32% | 4.96% |
| Alphabet, Inc. | GOOG | 2.12% | 4.76% |
| Meta Platforms, Inc. | META | 1.98% | 4.64% |
| Tesla, Inc. | TSLA | 1.65% | 2.31% |
| Berkshire Hathaway, Inc. | BRK.B | 1.39% | 3.05% |
FAQ
How much do ITOT and VOOG overlap?
ITOT and VOOG have a 56.6% overlap by weight, sharing 139 holdings (out of 2470 in ITOT and 140 in VOOG), based on official issuer holdings as of 2026-03-31.
What does 56.6% overlap mean?
ITOT and VOOG share a meaningful slice of holdings. They are related but not interchangeable; check the shared names below to see where your exposure doubles up.
Which stocks do ITOT and VOOG both hold?
The largest shared positions are NVIDIA Corp., Apple, Inc., Microsoft Corp., Amazon.com, Inc., Alphabet, Inc.. The full list of top shared holdings with weights in each fund is shown on this page.