VUG vs IUSG: Holdings Overlap
Vanguard · 153 holdings · $229.6B · as of 2026-03-31
IUSGiShares Core S&P U.S. Growth ETF
iShares · 385 holdings · $33.6B · as of 2026-03-31
How similar are VUG and IUSG?
Vanguard Growth Index Fund (VUG, by Vanguard) holds 153 positions; iShares Core S&P U.S. Growth ETF (IUSG, by iShares) holds 385. They have 88 holdings in common, and by portfolio weight the two funds are 75.0% identical. In practical terms the pair is heavily overlapping, with largely the same stocks driving both funds.
- Overlap by Weight
- 75.0%Sum of the smaller weight of each shared holding
- Shared Holdings
- 88VUG holds 153 · IUSG holds 385
- Weight in Shared Holdings
- VUG 90%·IUSG 77%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 VUG
65 of 153 positions (9.9% of the fund) are not held by IUSG. Showing the top 30 by weight.
Sector Breakdown
| Sector | VUG | IUSG |
|---|---|---|
| Information Technology | 51.9% | 46.0% |
| Communication Services | 16.5% | 16.0% |
| Consumer Discretionary | 12.5% | 9.4% |
| Financials | 4.7% | 9.6% |
| Industrials | 5.2% | 8.1% |
| Other Sectors | 9.2% | 10.6% |
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 |
|---|---|---|---|---|---|---|---|
| VUG | +4.1% | +10.2% | +18.2% | +24.1% | +13.0% | +17.8% | 0.38% |
| IUSG | +4.3% | +15.9% | +25.6% | +26.2% | +13.9% | +17.5% | 0.48% |
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 VUG vs IUSG →
Shared Holdings(88)
The top 10 shared positions account for 73% of the overlap, led by NVDA, MSFT and AAPL.
 NVDANVIDIA Corp. COM | 13.31% | 13.84% | 13.31% |
|---|---|---|---|
 MSFTMicrosoft Corp. COM | 9.09% | 8.97% | 8.97% |
 AAPLApple Inc. COM | 12.32% | 6.08% | 6.08% |
 GOOGLAlphabet Inc. CAP STK CL A | 5.54% | 5.47% | 5.47% |
 AVGOBroadcom Inc COM | 4.40% | 4.79% | 4.40% |
 GOOGAlphabet Inc. CAP STK CL C | 4.39% | 4.38% | 4.38% |
 METAMeta Platforms, Inc., Class A | 4.15% | 4.09% | 4.09% |
 AMZNAmazon.com, Inc. COM | 4.59% | 3.52% | 3.52% |
 LLYEli Lilly & Co. COM | 2.60% | 2.38% | 2.38% |
 TSLATesla Inc COM | 3.47% | 2.12% | 2.12% |
 NFLXNetflix, Inc. COM | 1.36% | 1.33% | 1.33% |
 AMDAdvanced Micro Devices Inc. COM | 1.11% | 1.08% | 1.08% |
 PLTRPalantir Technologies, Inc., Class A | 1.07% | 1.09% | 1.07% |
 VVisa, Inc., Class A | 1.65% | 0.91% | 0.91% |
 MAMasterCard Incorporated CL A | 1.33% | 0.89% | 0.89% |
 LRCXLam Research Corporation COM NEW | 0.90% | 0.87% | 0.87% |
 GEVGE Vernova Inc. COM | 0.80% | 0.77% | 0.77% |
 KLACKLA Corp. COM NEW | 0.66% | 0.63% | 0.63% |
 ISRGIntuitive Surgical Inc. COM NEW | 0.56% | 0.53% | 0.53% |
 APHAmphenol Corporation CL A | 0.53% | 0.51% | 0.51% |
 UBERUber Technologies Inc COM | 0.51% | 0.48% | 0.48% |
 GEGeneral Electric Co. | 0.48% | 0.51% | 0.48% |
 AMATApplied Materials Inc. COM | 0.47% | 0.89% | 0.47% |
 WELLWelltower Inc. COM | 0.47% | 0.45% | 0.45% |
 BKNGBooking Holdings Inc COM | 0.46% | 0.44% | 0.44% |
Frequently Asked Questions
How much do VUG and IUSG overlap?
VUG and IUSG overlap by 75.0% of portfolio weight. They share 88 holdings (VUG holds 153 positions and IUSG holds 385), based on each fund's latest SEC-reported holdings.
Is it redundant to own both VUG and IUSG?
The two portfolios are 75.0% identical by weight. Owning both mostly doubles down on the shared core rather than diversifying: the same large positions drive both funds.
What are the biggest shared holdings of VUG and IUSG?
The largest positions held by both funds are NVDA, MSFT, AAPL, GOOGL and AVGO. Together the top 10 shared positions account for 73% of the total overlap.
What does VUG own that IUSG doesn't?
65 positions (9.9% of VUG) are unique to VUG, led by COST, VRTX and SBUX. In the other direction, 297 positions (23.0% of IUSG) are unique to IUSG.