IVW vs MGK: how much do they overlap?
iShares S&P 500 Growth ETF (IVW) · Vanguard Mega Cap Growth ETF (MGK)
overlap by weight · 48 shared holdings
IVW: 143 holdings (as of 2026-03-31) · MGK: 59 holdings (as of 2026-03-31)
High overlap
What this means
IVW and MGK are largely the same portfolio. Holding both adds little diversification — most dollars end up in the same underlying stocks.
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 IVW | in MGK |
|---|---|---|---|
| NVIDIA Corp. | NVDA | 14.62% | 13.75% |
| Microsoft Corp. | MSFT | 9.48% | 9.01% |
| Apple Inc. | AAPL | 6.43% | 12.6% |
| Alphabet Inc. | GOOGL | 5.78% | 5.51% |
| Broadcom Inc | AVGO | 5.06% | 4.4% |
| Alphabet Inc. | GOOG | 4.63% | 4.37% |
| Meta Platforms Inc | META | 4.32% | 4.17% |
| Amazon.com, Inc. | AMZN | 3.72% | 4.59% |
| Eli Lilly & Co. | LLY | 2.51% | 3.17% |
| Tesla Inc | TSLA | 2.24% | 4.18% |
FAQ
How much do IVW and MGK overlap?
IVW and MGK have a 72.6% overlap by weight, sharing 48 holdings (out of 143 in IVW and 59 in MGK), based on official issuer holdings as of 2026-03-31.
What does 72.6% overlap mean?
IVW and MGK are largely the same portfolio. Holding both adds little diversification — most dollars end up in the same underlying stocks.
Which stocks do IVW and MGK both hold?
The largest shared positions are NVIDIA Corp., Microsoft Corp., Apple Inc., Alphabet Inc., Broadcom Inc. The full list of top shared holdings with weights in each fund is shown on this page.