IUSG vs VTI: Holdings Overlap
IUSGiShares Core S&P U.S. Growth ETF
iShares · 385 holdings · $33.6B · as of 2026-03-31
VTIVanguard Total Stock Market Index Fund
Vanguard · 3505 holdings · $696.4B · as of 2026-03-31
How similar are IUSG and VTI?
iShares Core S&P U.S. Growth ETF (IUSG, by iShares) holds 385 positions; Vanguard Total Stock Market Index Fund (VTI, by Vanguard) holds 3505. They have 383 holdings in common, and by portfolio weight the two funds are 59.9% identical. In practical terms the pair is moderately overlapping; they share a meaningful core, but each fund adds distinct exposure.
- Overlap by Weight
- 59.9%Sum of the smaller weight of each shared holding
- Shared Holdings
- 383IUSG holds 385 · VTI holds 3505
- Weight in Shared Holdings
- IUSG 100%·VTI 60%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 IUSG
2 of 385 positions (0.0% of the fund) are not held by VTI.
ALVAutoliv Inc. COM0.01%
LIVNLivaNova PLC ORD GBP1.00 (DI)0.01%
Sector Breakdown
| Sector | IUSG | VTI |
|---|---|---|
| Information Technology | 46.0% | 30.5% |
| Communication Services | 16.0% | 9.6% |
| Financials | 9.6% | 12.7% |
| Industrials | 8.1% | 10.4% |
| Health Care | 7.2% | 10.0% |
| Other Sectors | 12.8% | 26.1% |
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 |
|---|---|---|---|---|---|---|---|
| IUSG | +4.3% | +15.9% | +25.6% | +26.2% | +13.9% | +17.5% | 0.48% |
| VTI | +3.3% | +14.6% | +24.2% | +20.9% | +12.3% | +14.9% | 1.02% |
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 IUSG vs VTI →
Shared Holdings(383)
The top 10 shared positions account for 54% of the overlap, led by NVDA, AAPL and MSFT.
 NVDANVIDIA Corp. COM | 13.84% | 6.42% | 6.42% |
|---|---|---|---|
 AAPLApple Inc. COM | 6.08% | 5.94% | 5.94% |
 MSFTMicrosoft Corp. COM | 8.97% | 4.38% | 4.38% |
 AMZNAmazon.com, Inc. COM | 3.52% | 3.21% | 3.21% |
 GOOGLAlphabet Inc. CAP STK CL A | 5.47% | 2.67% | 2.67% |
 AVGOBroadcom Inc COM | 4.79% | 2.34% | 2.34% |
 GOOGAlphabet Inc. CAP STK CL C | 4.38% | 2.11% | 2.11% |
 METAMeta Platforms, Inc., Class A | 4.09% | 2.00% | 2.00% |
 TSLATesla Inc COM | 2.12% | 1.67% | 1.67% |
 BRK-BBerkshire Hathaway, Inc., Class B | 2.87% | 1.37% | 1.37% |
 LLYEli Lilly & Co. COM | 2.38% | 1.25% | 1.25% |
 JPMJPMorgan Chase & Co. COM | 1.76% | 1.19% | 1.19% |
 JNJJohnson & Johnson COM | 1.13% | 0.94% | 0.94% |
 VVisa, Inc., Class A | 0.91% | 0.79% | 0.79% |
 NFLXNetflix, Inc. COM | 1.33% | 0.65% | 0.65% |
 MAMasterCard Incorporated CL A | 0.89% | 0.63% | 0.63% |
 MUMicron Technology Inc. COM | 1.24% | 0.61% | 0.61% |
 ABBVAbbVie Inc. COM | 0.58% | 0.61% | 0.58% |
 AMDAdvanced Micro Devices Inc. COM | 1.08% | 0.53% | 0.53% |
 CATCaterpillar Inc COM | 1.08% | 0.53% | 0.53% |
 PLTRPalantir Technologies, Inc., Class A | 1.09% | 0.51% | 0.51% |
 GEGE Aerospace COM NEW | 0.51% | 0.45% | 0.45% |
 CSCOCisco Systems, Inc. COM | 0.53% | 0.44% | 0.44% |
 AMATApplied Materials Inc. COM | 0.89% | 0.43% | 0.43% |
 LRCXLam Research Corporation COM NEW | 0.87% | 0.43% | 0.43% |
Showing the top 250 of 383 shared holdings by overlap weight.
Frequently Asked Questions
How much do IUSG and VTI overlap?
IUSG and VTI overlap by 59.9% of portfolio weight. They share 383 holdings (IUSG holds 385 positions and VTI holds 3505), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IUSG and VTI?
The two portfolios are 59.9% 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 IUSG and VTI?
The largest positions held by both funds are NVDA, AAPL, MSFT, AMZN and GOOGL. Together the top 10 shared positions account for 54% of the total overlap.
What does IUSG own that VTI doesn't?
2 positions (0.0% of IUSG) are unique to IUSG, led by ALV and LIVN. In the other direction, 3122 positions (39.5% of VTI) are unique to VTI.