QQQ vs VO: Holdings Overlap
QQQInvesco QQQ Trust, Series 1
Invesco · 101 holdings · $479.2B · as of 2026-03-31
Vanguard · 289 holdings · $109.2B · as of 2026-03-31
How similar are QQQ and VO?
Invesco QQQ Trust, Series 1 (QQQ, by Invesco) holds 101 positions; Vanguard Mid-cap Index Fund (VO, by Vanguard) holds 289. They have 42 holdings in common, and by portfolio weight the two funds are 10.8% identical. In practical terms the pair is lightly overlapping, with most of each portfolio distinct.
- Overlap by Weight
- 10.8%Sum of the smaller weight of each shared holding
- Shared Holdings
- 42QQQ holds 101 · VO holds 289
- Weight in Shared Holdings
- QQQ 11%·VO 18%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 QQQ
59 of 101 positions (88.9% of the fund) are not held by VO. Showing the top 30 by weight.
Sector Breakdown
| Sector | QQQ | VO |
|---|---|---|
| Information Technology | 49.7% | 14.2% |
| Industrials | 4.2% | 18.4% |
| Communication Services | 16.0% | 3.1% |
| Financials | 0.2% | 13.8% |
| Consumer Discretionary | 12.6% | 9.3% |
| Other Sectors | 17.2% | 40.9% |
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 |
|---|---|---|---|---|---|---|---|
| QQQ | +1.9% | +18.0% | +27.6% | +25.2% | +15.2% | +20.8% | 0.42% |
| VO | +2.6% | +14.8% | +18.0% | +15.7% | +8.0% | +11.6% | 1.29% |
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 QQQ vs VO →
Shared Holdings(42)
The top 10 shared positions account for 39% of the overlap, led by CEG, WDC and STX.
 CEGConstellation Energy Corp. COM | 0.57% | 0.94% | 0.57% |
|---|---|---|---|
 WDCWestern Digital Corp. COM | 0.52% | 1.00% | 0.52% |
 STXSeagate Technology Holdings PLC ORD SHS | 0.48% | 0.93% | 0.48% |
 MRVLMarvell Technology Inc COM | 0.49% | 0.47% | 0.47% |
 ROSTRoss Stores Inc COM | 0.40% | 0.76% | 0.40% |
 WBDWarner Bros. Discovery Inc. COM SER A | 0.39% | 0.70% | 0.39% |
 DASHDoorDash, Inc., Class A | 0.35% | 0.57% | 0.35% |
 PCARPaccar Inc COM | 0.34% | 0.66% | 0.34% |
 BKRBaker Hughes Co., Class A | 0.34% | 0.66% | 0.34% |
 FANGDiamondback Energy Inc COM | 0.32% | 0.43% | 0.32% |
 CTASCintas Corporation COM | 0.38% | 0.31% | 0.31% |
 MPWRMonolithic Power Systems Inc. COM | 0.30% | 0.55% | 0.30% |
 FASTFastenal Co. COM | 0.30% | 0.58% | 0.30% |
 EAElectronic Arts Inc. COM | 0.29% | 0.56% | 0.29% |
 EXCExelon Corp. COM | 0.28% | 0.54% | 0.28% |
 XELXcel Energy Inc COM | 0.28% | 0.54% | 0.28% |
 ADSKAutodesk Inc COM | 0.29% | 0.28% | 0.28% |
 FTNTFortinet Inc COM | 0.34% | 0.26% | 0.26% |
 IDXXIDEXX Laboratories Inc. COM | 0.25% | 0.49% | 0.25% |
 ALNYAlnylam Pharmaceuticals Inc. COM | 0.25% | 0.48% | 0.25% |
 PYPLPaypal Holdings Inc. COM | 0.24% | 0.29% | 0.24% |
 ODFLOld Dominion Freight Line Inc. COM | 0.23% | 0.40% | 0.23% |
 MSTRStrategy, Inc., Class A | 0.22% | 0.43% | 0.22% |
 DDOGDatadog, Inc., Class A | 0.22% | 0.42% | 0.22% |
 TTWOTake-Two Interactive Software Inc. COM | 0.21% | 0.38% | 0.21% |
Frequently Asked Questions
How much do QQQ and VO overlap?
QQQ and VO overlap by 10.8% of portfolio weight. They share 42 holdings (QQQ holds 101 positions and VO holds 289), based on each fund's latest SEC-reported holdings.
Is it redundant to own both QQQ and VO?
The two portfolios are 10.8% identical by weight. Owning both is not redundant. Most of each portfolio is distinct, so the funds can serve different roles.
What are the biggest shared holdings of QQQ and VO?
The largest positions held by both funds are CEG, WDC, STX, MRVL and ROST. Together the top 10 shared positions account for 39% of the total overlap.
What does QQQ own that VO doesn't?
59 positions (88.9% of QQQ) are unique to QQQ, led by NVDA, AAPL and MSFT. In the other direction, 247 positions (81.3% of VO) are unique to VO.