ITOT vs IVV ETF holdings comparison
iShares Core S&P Total U.S. Stock Market ETF (ITOT) · iShares Core S&P 500 ETF (IVV)
ITOT and IVV overlap by 88.1% by portfolio weight. The remaining 11.9 percentage points are not counted as shared holdings weight by this calculation. They share 503 stocks; the largest shared position is NVIDIA Corp. (NVDA), contributing 6.63% to the overlap.
What this means
ITOT and IVV share most of their portfolio weight in the same underlying stocks. OverlapCheck labels this "high holdings overlap" using house ranges of 70% or more, 30% to under 70%, and under 30%. These descriptive ranges are not industry standards or investment guidance. Holdings overlap does not measure correlation, volatility, geographic or factor exposure, fees, or suitability.
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.
This comparison covers normalized equity positions represented in the dataset. Cash, derivatives, options, structured notes, and other non-equity assets are not included, so the result is not a complete comparison of every asset or risk in either fund.
Top shared holdings
| Company | Ticker | in ITOT | in IVV |
|---|---|---|---|
| NVIDIA Corp. | NVDA | 6.63% | 7.51% |
| Apple, Inc. | AAPL | 5.81% | 6.58% |
| Microsoft Corp. | MSFT | 3.79% | 4.29% |
| Amazon.com, Inc. | AMZN | 3.19% | 3.61% |
| Alphabet, Inc. | GOOGL | 2.86% | 3.25% |
| Broadcom, Inc. | AVGO | 2.45% | 2.77% |
| Alphabet, Inc. | GOOG | 2.29% | 2.59% |
| Micron Technology, Inc. | MU | 1.78% | 2.02% |
| Meta Platforms, Inc. | META | 1.69% | 1.92% |
| Tesla, Inc. | TSLA | 1.62% | 1.83% |
Holdings only in ITOT or IVV
ITOT has 1947 fund-only positions representing approximately 11.7 percentage points of reported exposure; IVV has 0 fund-only positions representing approximately 0.0 percentage points of reported exposure. These are positions whose normalized security identifiers appear in one issuer file but not the other.
Largest positions only in ITOT
| Company | Ticker | Weight |
|---|---|---|
| Space Exploration Technologies Corp. | SPCX | 0.14% |
| Snowflake, Inc. | SNOW | 0.12% |
| Bloom Energy Corp. | BE | 0.11% |
| Cloudflare, Inc. | NET | 0.11% |
| Astera Labs, Inc. | ALAB | 0.09% |
| Rocket Lab Corp. | RKLB | 0.07% |
| Cheniere Energy, Inc. | LNG | 0.07% |
| Ferguson Enterprises, Inc. | FERG | 0.06% |
| Credo Technology Group Holding Ltd. | CRDO | 0.06% |
| Alnylam Pharmaceuticals, Inc. | ALNY | 0.06% |
Largest positions only in IVV
No fund-only positions in this holdings snapshot.
FAQ
How much do ITOT and IVV overlap?
ITOT and IVV have 88.1% overlap by weight, sharing 503 equity positions (out of 2450 in ITOT and 503 in IVV). The official holdings files used are dated 2026-06-30 for ITOT and 2026-06-30 for IVV.
What does 88.1% overlap mean?
ITOT and IVV share most of their portfolio weight in the same underlying stocks. OverlapCheck labels this "high holdings overlap" using house ranges of 70% or more, 30% to under 70%, and under 30%. These descriptive ranges are not industry standards or investment guidance. Holdings overlap does not measure correlation, volatility, geographic or factor exposure, fees, or suitability.
Which stocks do ITOT and IVV both hold?
The largest shared positions are NVIDIA Corp., Apple, Inc., Microsoft Corp., Amazon.com, Inc., Alphabet, Inc.. The top shared holdings with weights in each fund are shown on this page.
What holdings are different between ITOT and IVV?
ITOT has 1947 positions not found in IVV, while IVV has 0 positions not found in ITOT. The largest fund-only positions and their weights are shown on this page.