ITOT vs VTHR: Holdings Overlap
ITOTiShares Core S&P Total U.S. Stock Market ETF
iShares · 2487 holdings · $97.6B · as of 2026-03-31
VTHRVanguard Russell 3000 Index Fund
Vanguard · 2910 holdings · $4.8B · as of 2026-05-31
Holdings snapshots are 61 days apart (ITOT: 2026-03-31, VTHR: 2026-05-31). Weights and index membership change between snapshots, so the true current overlap is typically higher than shown. For funds tracking the same index, the gap can be 5–15 points.
How similar are ITOT and VTHR?
iShares Core S&P Total U.S. Stock Market ETF (ITOT, by iShares) holds 2487 positions; Vanguard Russell 3000 Index Fund (VTHR, by Vanguard) holds 2910. They have 2356 holdings in common, and by portfolio weight the two funds are 91.3% identical. In practical terms the pair is essentially interchangeable, so holding both adds little diversification.
- Overlap by Weight
- 91.3%Sum of the smaller weight of each shared holding
- Shared Holdings
- 2356ITOT holds 2487 · VTHR holds 2910
- Weight in Shared Holdings
- ITOT 99%·VTHR 99%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
131 of 2487 positions (0.8% of the fund) are not held by VTHR. Showing the top 30 by weight.
Only in VTHR
554 of 2910 positions (0.8% of the fund) are not held by ITOT. Showing the top 30 by weight.
Sector Breakdown
| Sector | ITOT | VTHR |
|---|---|---|
| Information Technology | 30.8% | 35.6% |
| Financials | 12.9% | 11.6% |
| Industrials | 10.2% | 9.7% |
| Communication Services | 9.7% | 10.0% |
| Health Care | 9.9% | 8.8% |
| Other Sectors | 26.2% | 23.8% |
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% |
| VTHR | +3.4% | +14.5% | +24.0% | +20.8% | +12.4% | +14.8% | 0.99% |
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 VTHR →
Shared Holdings(2356)
The top 10 shared positions account for 35% of the overlap, led by NVDA, AAPL and MSFT.
 NVDANVIDIA Corp. COM | 6.69% | 6.81% | 6.69% |
|---|---|---|---|
 AAPLApple Inc. COM | 5.88% | 6.20% | 5.88% |
 MSFTMicrosoft Corp. COM | 4.34% | 4.60% | 4.34% |
 AMZNAmazon.com, Inc. COM | 3.21% | 3.58% | 3.21% |
 GOOGLAlphabet Inc. CAP STK CL A | 2.64% | 3.05% | 2.64% |
 AVGOBroadcom Inc COM | 2.32% | 2.84% | 2.32% |
 GOOGAlphabet Inc. CAP STK CL C | 2.12% | 2.46% | 2.12% |
 METAMeta Platforms, Inc., Class A | 1.98% | 1.90% | 1.90% |
 TSLATesla Inc COM | 1.65% | 1.69% | 1.65% |
 BRK-BBerkshire Hathaway, Inc., Class B | 1.39% | 1.21% | 1.21% |
 LLYEli Lilly & Co. COM | 1.15% | 1.22% | 1.15% |
 JPMJPMorgan Chase & Co. COM | 1.25% | 1.05% | 1.05% |
 XOMExxon Mobil Corp. COM | 1.12% | 0.85% | 0.85% |
 VVisa, Inc., Class A | 0.80% | 0.76% | 0.76% |
 JNJJohnson & Johnson COM | 0.93% | 0.75% | 0.75% |
 WMTWalmart Inc COM | 0.86% | 0.69% | 0.69% |
 MUMicron Technology Inc. COM | 0.60% | 1.50% | 0.60% |
 COSTCostco Wholesale Corporation COM | 0.70% | 0.58% | 0.58% |
 MAMasterCard Incorporated CL A | 0.64% | 0.55% | 0.55% |
 ABBVAbbVie Inc. COM | 0.61% | 0.53% | 0.53% |
 AMDAdvanced Micro Devices Inc. COM | 0.52% | 1.15% | 0.52% |
 CATCaterpillar Inc COM | 0.52% | 0.56% | 0.52% |
 NFLXNetflix, Inc. COM | 0.64% | 0.50% | 0.50% |
 CSCOCisco Systems, Inc. COM | 0.48% | 0.66% | 0.48% |
 PLTRPalantir Technologies, Inc., Class A | 0.53% | 0.47% | 0.47% |
Showing the top 250 of 2356 shared holdings by overlap weight.
Frequently Asked Questions
How much do ITOT and VTHR overlap?
ITOT and VTHR overlap by 91.3% of portfolio weight. They share 2356 holdings (ITOT holds 2487 positions and VTHR holds 2910), based on each fund's latest SEC-reported holdings.
Is it redundant to own both ITOT and VTHR?
The two portfolios are 91.3% identical by weight. Owning both is largely redundant: they are close to the same portfolio, so a second position mostly duplicates the first.
What are the biggest shared holdings of ITOT and VTHR?
The largest positions held by both funds are NVDA, AAPL, MSFT, AMZN and GOOGL. Together the top 10 shared positions account for 35% of the total overlap.
What does ITOT own that VTHR doesn't?
131 positions (0.8% of ITOT) are unique to ITOT, led by STX, TEL and NXPI. In the other direction, 554 positions (0.8% of VTHR) are unique to VTHR.