QQQ vs VO: how much do they overlap?
Invesco QQQ Trust (QQQ) · Vanguard Mid-Cap ETF (VO)
overlap by weight · 42 shared holdings
QQQ: 101 holdings (as of 2026-03-31) · VO: 289 holdings (as of 2026-03-31)
Low overlap
What this means
QQQ and VO hold mostly different stocks. Combining them genuinely spreads your exposure across different parts of the market.
Overlap by weight sums the smaller of the two funds' weights for every stock they both hold — it answers "how much of my money is in the same stocks either way?" See methodology.
Top shared holdings
| Company | Ticker | in QQQ | in VO |
|---|---|---|---|
| Constellation Energy Corp. | CEG | 0.57% | 0.94% |
| Western Digital Corp. | WDC | 0.52% | 1% |
| Seagate Technology Holdings PLC | STX | 0.48% | 0.93% |
| Marvell Technology, Inc. | MRVL | 0.49% | 0.47% |
| Ross Stores, Inc. | ROST | 0.4% | 0.76% |
| Warner Bros. Discovery, Inc. | WBD | 0.39% | 0.7% |
| DoorDash, Inc. | DASH | 0.35% | 0.57% |
| PACCAR Inc. | PCAR | 0.34% | 0.66% |
| Baker Hughes Co. | BKR | 0.34% | 0.66% |
| Diamondback Energy, Inc. | FANG | 0.32% | 0.43% |
FAQ
How much do QQQ and VO overlap?
QQQ and VO have a 10.8% overlap by weight, sharing 42 holdings (out of 101 in QQQ and 289 in VO), based on official issuer holdings as of 2026-03-31.
What does 10.8% overlap mean?
QQQ and VO hold mostly different stocks. Combining them genuinely spreads your exposure across different parts of the market.
Which stocks do QQQ and VO both hold?
The largest shared positions are Constellation Energy Corp., Western Digital Corp., Seagate Technology Holdings PLC, Marvell Technology, Inc., Ross Stores, Inc.. The full list of top shared holdings with weights in each fund is shown on this page.