Source: BasisPilot built-in test holdings, not official Vanguard or iShares holdings. Example date: 2026-08-01 (UTC), not a fund disclosure date.
Coverage: 20 ETFs with partial synthetic equity rows. Unrepresented weight does not imply cash or non-equity assets. Row resolution coverage applies only to included examples, not the full fund.
Real data is unavailable: data-use authorization, holdings adapters, and snapshot integration are required.
Fixture comparison · development preview
VTI vs ITOT
Vanguard Total Stock Market ETFvsiShares Core S&P Total U.S. Stock Market ETF
Exposure
Shared vs unique exposure
Shared exposure
Top shared holdings
| Holding | Company | VTI | ITOT | Shared | Difference |
|---|---|---|---|---|---|
| AAPL | Apple Inc. | 7.1% | 6.8% | 6.8% | +0.30 pp |
| MSFT | Microsoft Corp. | 6.6% | 6.4% | 6.4% | +0.20 pp |
| NVDA | NVIDIA Corp. | 6.1% | 6.1% | 6.1% | +0.00 pp |
| AMZN | Amazon.com Inc. | 3.8% | 3.8% | 3.8% | +0.00 pp |
| GOOGL | Alphabet Inc. | 3.5% | 3.5% | 3.5% | +0.00 pp |
| META | Meta Platforms Inc. | 2.6% | 2.6% | 2.6% | +0.00 pp |
| AVGO | Broadcom Inc. | 2.4% | 2.4% | 2.4% | +0.00 pp |
| BRK.B | Berkshire Hathaway Inc. | 1.8% | 1.8% | 1.8% | +0.00 pp |
| JPM | JPMorgan Chase & Co. | 1.4% | 1.4% | 1.4% | +0.00 pp |
| XOM | Exxon Mobil Corp. | 1.3% | 1.3% | 1.3% | +0.00 pp |
Holdings detail
Shared and unique holdings
| Holding | Company | VTI | ITOT | Shared | Difference |
|---|---|---|---|---|---|
| AAPL | Apple Inc. | 7.1% | 6.8% | 6.8% | +0.30 pp |
| MSFT | Microsoft Corp. | 6.6% | 6.4% | 6.4% | +0.20 pp |
| NVDA | NVIDIA Corp. | 6.1% | 6.1% | 6.1% | +0.00 pp |
| AMZN | Amazon.com Inc. | 3.8% | 3.8% | 3.8% | +0.00 pp |
| GOOGL | Alphabet Inc. | 3.5% | 3.5% | 3.5% | +0.00 pp |
| META | Meta Platforms Inc. | 2.6% | 2.6% | 2.6% | +0.00 pp |
| AVGO | Broadcom Inc. | 2.4% | 2.4% | 2.4% | +0.00 pp |
| BRK.B | Berkshire Hathaway Inc. | 1.8% | 1.8% | 1.8% | +0.00 pp |
| JPM | JPMorgan Chase & Co. | 1.4% | 1.4% | 1.4% | +0.00 pp |
| XOM | Exxon Mobil Corp. | 1.3% | 1.3% | 1.3% | +0.00 pp |
| LLY | Eli Lilly & Co. | 1.2% | 1.2% | 1.2% | +0.00 pp |
| V | Visa Inc. | 1.1% | 1.1% | 1.1% | +0.00 pp |
| AMD | Advanced Micro Devices Inc. | 0.8% | 0.9% | 0.8% | -0.10 pp |
| CRM | Salesforce Inc. | 0.7% | 0.8% | 0.7% | -0.10 pp |
| ORCL | Oracle Corp. | 0.7% | 0.8% | 0.7% | -0.10 pp |
| ADBE | Adobe Inc. | 0.6% | 0.6% | 0.6% | +0.00 pp |
Weight comparison
Largest weighting differences
| Holding | Company | VTI | ITOT | Difference |
|---|---|---|---|---|
| NFLX | Netflix Inc. | 0.5% | 0.0% | +0.50 pp |
| AAPL | Apple Inc. | 7.1% | 6.8% | +0.30 pp |
| MSFT | Microsoft Corp. | 6.6% | 6.4% | +0.20 pp |
| AMD | Advanced Micro Devices Inc. | 0.8% | 0.9% | -0.10 pp |
| CRM | Salesforce Inc. | 0.7% | 0.8% | -0.10 pp |
| ORCL | Oracle Corp. | 0.7% | 0.8% | -0.10 pp |
| NVDA | NVIDIA Corp. | 6.1% | 6.1% | +0.00 pp |
| AMZN | Amazon.com Inc. | 3.8% | 3.8% | +0.00 pp |
| GOOGL | Alphabet Inc. | 3.5% | 3.5% | +0.00 pp |
| META | Meta Platforms Inc. | 2.6% | 2.6% | +0.00 pp |
Data quality
Snapshot and coverage
Comparability
Data comparability · Compatible
Interpretation
What this result means
Weighted overlap adds the smaller reported weight for each recognized equity security held by both ETFs. It measures shared reported portfolio weight at the selected snapshots; it does not measure return correlation or predict future performance.
Limitations
This page uses synthetic fixture holdings for product development. Results are not current ETF holdings and should not be used for investment decisions. Real provider data remains disabled until data-use authorization, retention rules, holdings adapters, and snapshot integration are completed.