ITOT vs VUG: Holdings Overlap
ITOTiShares Core S&P Total U.S. Stock Market ETF
iShares · 2487 holdings · $97.6B · as of 2026-03-31
Vanguard · 153 holdings · $229.6B · as of 2026-03-31
How similar are ITOT and VUG?
iShares Core S&P Total U.S. Stock Market ETF (ITOT, by iShares) holds 2487 positions; Vanguard Growth Index Fund (VUG, by Vanguard) holds 153. They have 150 holdings in common, and by portfolio weight the two funds are 49.9% identical. In practical terms the pair is moderately overlapping; they share a meaningful core, but each fund adds distinct exposure.
- Overlap by Weight
- 49.9%Sum of the smaller weight of each shared holding
- Shared Holdings
- 150ITOT holds 2487 · VUG holds 153
- Weight in Shared Holdings
- ITOT 50%·VUG 100%Share of each fund's weight in stocks both funds own
Based on each fund's latest official holdings. How is this calculated?
What makes each fund different
Only in ITOT
2337 of 2487 positions (49.9% of the fund) are not held by VUG. Showing the top 30 by weight.
Sector Breakdown
| Sector | ITOT | VUG |
|---|---|---|
| Information Technology | 30.8% | 51.9% |
| Communication Services | 9.7% | 16.5% |
| Financials | 12.9% | 4.7% |
| Consumer Discretionary | 9.9% | 12.5% |
| Industrials | 10.2% | 5.2% |
| Other Sectors | 26.2% | 9.2% |
Share of each fund's portfolio weight by GICS-style sector, compiled from issuer fund data and our own classification of the holdings, not the issuers' published sector charts.
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| ITOT | +3.3% | +14.6% | +24.1% | +20.9% | +12.3% | +14.9% | 0.97% |
| VUG | +4.1% | +10.2% | +18.2% | +24.1% | +13.0% | +17.8% | 0.38% |
Total returns including dividends, from adjusted daily closes as of 2026-08-07. 3Y/5Y/10Y are annualized. Yield is trailing-12-month distributions over the last close. Past performance does not predict future results.
Project the growth of $10,000 in ITOT vs VUG →
Shared Holdings(150)
The top 10 shared positions account for 64% of the overlap, led by NVDA, AAPL and MSFT.
 NVDANVIDIA Corp. COM | 6.69% | 13.31% | 6.69% |
|---|---|---|---|
 AAPLApple Inc. COM | 5.88% | 12.32% | 5.88% |
 MSFTMicrosoft Corp. COM | 4.34% | 9.09% | 4.34% |
 AMZNAmazon.com, Inc. COM | 3.21% | 4.59% | 3.21% |
 GOOGLAlphabet Inc. CAP STK CL A | 2.64% | 5.54% | 2.64% |
 AVGOBroadcom Inc COM | 2.32% | 4.40% | 2.32% |
 GOOGAlphabet Inc. CAP STK CL C | 2.12% | 4.39% | 2.12% |
 METAMeta Platforms, Inc., Class A | 1.98% | 4.15% | 1.98% |
 TSLATesla Inc COM | 1.65% | 3.47% | 1.65% |
 LLYEli Lilly & Co. COM | 1.15% | 2.60% | 1.15% |
 VVisa, Inc., Class A | 0.80% | 1.65% | 0.80% |
 COSTCostco Wholesale Corporation COM | 0.70% | 1.48% | 0.70% |
 MAMasterCard Incorporated CL A | 0.64% | 1.33% | 0.64% |
 NFLXNetflix, Inc. COM | 0.64% | 1.36% | 0.64% |
 PLTRPalantir Technologies, Inc., Class A | 0.53% | 1.07% | 0.53% |
 AMDAdvanced Micro Devices Inc. COM | 0.52% | 1.11% | 0.52% |
 GEGeneral Electric Co. | 0.47% | 0.48% | 0.47% |
 AMATApplied Materials Inc. COM | 0.43% | 0.47% | 0.43% |
 LRCXLam Research Corporation COM NEW | 0.42% | 0.90% | 0.42% |
 ORCLOracle Corp. COM | 0.39% | 0.85% | 0.39% |
 GEVGE Vernova Inc. COM | 0.37% | 0.80% | 0.37% |
 MCDMcDonald's Corp. COM | 0.35% | 0.75% | 0.35% |
 KLACKLA Corp. COM NEW | 0.30% | 0.66% | 0.30% |
 TJXThe TJX Companies Inc. COM | 0.28% | 0.60% | 0.28% |
 TXNTexas Instruments Inc. COM | 0.28% | 0.31% | 0.28% |
Frequently Asked Questions
How much do ITOT and VUG overlap?
ITOT and VUG overlap by 49.9% of portfolio weight. They share 150 holdings (ITOT holds 2487 positions and VUG holds 153), based on each fund's latest SEC-reported holdings.
Is it redundant to own both ITOT and VUG?
The two portfolios are 49.9% identical by weight. Owning both is defensible: they share a meaningful core, but each fund adds exposure the other lacks.
What are the biggest shared holdings of ITOT and VUG?
The largest positions held by both funds are NVDA, AAPL, MSFT, AMZN and GOOGL. Together the top 10 shared positions account for 64% of the total overlap.
What does ITOT own that VUG doesn't?
2337 positions (49.9% of ITOT) are unique to ITOT, led by BRK-B, JPM and XOM. In the other direction, 3 positions (0.2% of VUG) are unique to VUG.