IUSG vs QQQ: Holdings Overlap
IUSGiShares Core S&P U.S. Growth ETF
iShares · 385 holdings · $33.6B · as of 2026-03-31
QQQInvesco QQQ Trust, Series 1
Invesco · 101 holdings · $479.2B · as of 2026-03-31
How similar are IUSG and QQQ?
iShares Core S&P U.S. Growth ETF (IUSG, by iShares) holds 385 positions; Invesco QQQ Trust, Series 1 (QQQ, by Invesco) holds 101. They have 45 holdings in common, and by portfolio weight the two funds are 52.1% identical. In practical terms the pair is moderately overlapping; they share a meaningful core, but each fund adds distinct exposure.
- Overlap by Weight
- 52.1%Sum of the smaller weight of each shared holding
- Shared Holdings
- 45IUSG holds 385 · QQQ holds 101
- Weight in Shared Holdings
- IUSG 66%·QQQ 70%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
340 of 385 positions (33.6% of the fund) are not held by QQQ. Showing the top 30 by weight.
Sector Breakdown
| Sector | IUSG | QQQ |
|---|---|---|
| Information Technology | 46.0% | 49.7% |
| Communication Services | 16.0% | 16.0% |
| Consumer Discretionary | 9.4% | 12.6% |
| Financials | 9.6% | 0.2% |
| Consumer Staples | 1.2% | 8.5% |
| Other Sectors | 17.5% | 12.8% |
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 |
|---|---|---|---|---|---|---|---|
| IUSG | +4.3% | +15.9% | +25.6% | +26.2% | +13.9% | +17.5% | 0.48% |
| QQQ | +1.9% | +18.0% | +27.6% | +25.2% | +15.2% | +20.8% | 0.42% |
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 QQQ →
Shared Holdings(45)
The top 10 shared positions account for 78% of the overlap, led by NVDA, AAPL and MSFT.
 NVDANVIDIA Corp. COM | 13.84% | 8.68% | 8.68% |
|---|---|---|---|
 AAPLApple Inc. COM | 6.08% | 7.63% | 6.08% |
 MSFTMicrosoft Corp. COM | 8.97% | 5.63% | 5.63% |
 AMZNAmazon.com, Inc. COM | 3.52% | 4.58% | 3.52% |
 METAMeta Platforms, Inc., Class A | 4.09% | 3.46% | 3.46% |
 GOOGLAlphabet Inc. CAP STK CL A | 5.47% | 3.43% | 3.43% |
 GOOGAlphabet Inc. CAP STK CL C | 4.38% | 3.20% | 3.20% |
 AVGOBroadcom Inc COM | 4.79% | 3.01% | 3.01% |
 TSLATesla Inc COM | 2.12% | 3.80% | 2.12% |
 NFLXNetflix, Inc. COM | 1.33% | 2.30% | 1.33% |
 MUMicron Technology Inc. COM | 1.24% | 2.15% | 1.24% |
 PLTRPalantir Technologies Inc., Class A | 1.09% | 1.90% | 1.09% |
 AMDAdvanced Micro Devices Inc. COM | 1.08% | 1.88% | 1.08% |
 AMATApplied Materials Inc. COM | 0.89% | 1.53% | 0.89% |
 LRCXLam Research Corporation COM NEW | 0.87% | 1.51% | 0.87% |
 KLACKLA Corp. COM NEW | 0.63% | 1.09% | 0.63% |
 ISRGIntuitive Surgical Inc. COM NEW | 0.53% | 0.93% | 0.53% |
 CSCOCisco Systems, Inc. COM | 0.53% | 1.73% | 0.53% |
 BKNGBooking Holdings Inc COM | 0.44% | 0.75% | 0.44% |
 AMGNAmgen Inc. COM | 0.42% | 1.07% | 0.42% |
 APPApplovin Corp. COM CL A | 0.35% | 0.69% | 0.35% |
 CRWDCrowdStrike Holdings, Inc., Class A | 0.32% | 0.56% | 0.32% |
 GILDGilead Sciences Inc. COM | 0.30% | 0.98% | 0.30% |
 ORLYO'Reilly Automotive Inc. COM | 0.25% | 0.44% | 0.25% |
 PANWPalo Alto Networks Inc COM | 0.24% | 0.74% | 0.24% |
Frequently Asked Questions
How much do IUSG and QQQ overlap?
IUSG and QQQ overlap by 52.1% of portfolio weight. They share 45 holdings (IUSG holds 385 positions and QQQ holds 101), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IUSG and QQQ?
The two portfolios are 52.1% 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 QQQ?
The largest positions held by both funds are NVDA, AAPL, MSFT, AMZN and META. Together the top 10 shared positions account for 78% of the total overlap.
What does IUSG own that QQQ doesn't?
340 positions (33.6% of IUSG) are unique to IUSG, led by BRK-B, LLY and JPM. In the other direction, 56 positions (29.6% of QQQ) are unique to QQQ.