ITOT vs VT: how much do they really overlap?
ITOT (iShares Core S&P Total US Stock Market ETF, tracking the S&P Total Market) and VT (Vanguard Total World Stock ETF, tracking the FTSE Global All Cap) overlap by roughly 83% by weight. 10 of ITOT's top 10 holdings also appear in VT. A 50/50 blend of the two behaves like about 99 equally-weighted bets (diversification grade A). In short, the two funds hold nearly the same stocks in nearly the same proportions — owning both is largely redundant.
The same companies, in both funds
These 39 holdings appear in both ITOT and VT. The weight columns show how much of each fund each name represents.
| Holding | in ITOT | in VT |
|---|---|---|
| NVDA NVIDIA CORP | 6.54% | 3.99% |
| AAPL APPLE INC | 6.78% | 3.57% |
| MSFT MICROSOFT CORP | 4.64% | 2.37% |
| AMZN AMAZON.COM INC | 3.19% | 1.97% |
| GOOGL ALPHABET INC CLASS A | 2.71% | 1.80% |
| AVGO BROADCOM INC | 2.54% | 1.50% |
| GOOG ALPHABET INC CLASS C | 2.18% | 1.41% |
| MU MICRON TECHNOLOGY INC | 1.36% | 1.11% |
| META META PLATFORMS INC CLASS A | 1.64% | 1.06% |
| TSLA TESLA INC | 1.20% | 1.05% |
| LLY ELI LILLY | 1.26% | 0.82% |
| AMD ADVANCED MICRO DEVICES INC | 1.09% | 0.81% |
| JPM JPMORGAN CHASE & CO | 1.30% | 0.69% |
| JNJ JOHNSON & JOHNSON | 0.85% | 0.52% |
| INTC INTEL CORPORATION | 0.60% | 0.52% |
+ 24 more shared holdings.
Only in ITOT
iShares Core S&P Total US Stock Market ETF — total US market. Its biggest holdings that VT doesn’t have:
| BRKB BERKSHIRE HATHAWAY INC CLASS B | 1.30% |
| XOM EXXONMOBIL HOLDINGS CORP | 0.90% |
| RTX RTX CORP | 0.40% |
| PLTR PALANTIR TECHNOLOGIES INC CLASS A | 0.39% |
| WFC WELLS FARGO | 0.36% |
| MS MORGAN STANLEY | 0.35% |
| LIN LINDE PLC | 0.32% |
| C CITIGROUP INC | 0.31% |
Only in VT
Vanguard Total World Stock ETF — global all-cap. Its biggest holdings that ITOT doesn’t have:
| 2330 Taiwan Semiconductor Manufacturing Co. Ltd. | 1.64% |
| 005930 Samsung Electronics Co. Ltd. | 0.88% |
| 000660 SK hynix Inc. | 0.84% |
| BRK.B Berkshire Hathaway Inc. Class B | 0.70% |
| ASML ASML Holding NV | 0.65% |
| 700 Tencent Holdings Ltd. | 0.29% |
| SNDK Sandisk Corp. | 0.28% |
| HSBA HSBC Holdings plc | 0.28% |
So — nearly identical. Should you hold both?
ITOT and VT hold nearly the same stocks in nearly the same proportions — owning both is largely redundant. If you already hold ITOT, adding VT mostly increases your bet on the names they share rather than spreading it — a 50/50 blend still behaves like only ~99 equal positions, with the top 10 alone at 26% and the Magnificent Seven at 23%.
Holdings as of — ITOT: Jul 30, 2026 (iShares (BlackRock)); VT: Jun 30, 2026 (Vanguard). Refreshed monthly. Overlap is measured across each fund’s largest holdings (top 50); the diffuse long tail barely moves the math.
See this for YOUR whole portfolio, free →ITOT vs VT — FAQ
- How much do ITOT and VT overlap?
- ITOT and VT overlap by approximately 83% measured by portfolio weight — that is the share of the smaller fund's holdings (by weight) that also sit inside the other. 10 of ITOT's 10 largest holdings are also held by VT. They share 39 of their listed top holdings in total.
- Is it redundant to hold both ITOT and VT?
- Because they hold nearly the same stocks in nearly the same proportions — owning both is largely redundant, holding both is largely redundant — you mostly duplicate the same megacaps and concentrate rather than diversify. A 50/50 blend has an effective 99 positions and a A diversification grade.
- What does VT hold that ITOT doesn't?
- VT's largest holdings that ITOT doesn't hold include 2330, 005930, 000660, BRK.B, ASML. Its category is global all-cap, versus ITOT's total US market.
- Which is more concentrated, ITOT or VT?
- ITOT's top 10 holdings are 59% of its listed weight; VT's are 55%. The more concentrated fund leans harder on its largest names.