MGK vs XLG: Holdings Overlap
MGKVanguard Mega Cap Growth Index Fund
Vanguard · 59 holdings · $33.7B · as of 2026-03-31
Invesco · 51 holdings · $10.7B · as of 2026-04-30
Holdings snapshots are 30 days apart (MGK: 2026-03-31, XLG: 2026-04-30). Weights and index membership change between snapshots, so the true current overlap is typically higher than shown. For funds tracking the same index, the gap can be 5–15 points.
How similar are MGK and XLG?
Vanguard Mega Cap Growth Index Fund (MGK, by Vanguard) holds 59 positions; Invesco S&P 500 Top 50 ETF (XLG, by Invesco) holds 51. They have 22 holdings in common, and by portfolio weight the two funds are 68.3% identical. In practical terms the pair is heavily overlapping, with largely the same stocks driving both funds.
- Overlap by Weight
- 68.3%Sum of the smaller weight of each shared holding
- Shared Holdings
- 22MGK holds 59 · XLG holds 51
- Weight in Shared Holdings
- MGK 79%·XLG 72%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 MGK
37 of 59 positions (20.9% of the fund) are not held by XLG. Showing the top 30 by weight.
Sector Breakdown
| Sector | MGK | XLG |
|---|---|---|
| Information Technology | 54.4% | 43.7% |
| Communication Services | 16.7% | 17.0% |
| Consumer Discretionary | 13.1% | 11.3% |
| Financials | 4.9% | 9.6% |
| Health Care | 5.2% | 7.0% |
| Other Sectors | 5.6% | 11.0% |
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 |
|---|---|---|---|---|---|---|---|
| MGK | +3.8% | +10.2% | +19.4% | +24.7% | +14.0% | +18.8% | 0.32% |
| XLG | +3.7% | +7.2% | +17.9% | +22.2% | +14.3% | +16.6% | 0.63% |
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 MGK vs XLG →
Shared Holdings(22)
The top 10 shared positions account for 87% of the overlap, led by NVDA, AAPL and MSFT.
13.75% | 13.04% | 13.04% | |
12.60% | 10.71% | 10.71% | |
9.01% | 8.14% | 8.14% | |
5.51% | 6.03% | 5.51% | |
4.59% | 6.96% | 4.59% | |
4.40% | 4.83% | 4.40% | |
4.37% | 4.80% | 4.37% | |
4.17% | 3.60% | 3.60% | |
4.18% | 2.89% | 2.89% | |
3.17% | 1.99% | 1.99% | |
1.49% | 1.55% | 1.49% | |
1.97% | 1.49% | 1.49% | |
1.72% | 1.10% | 1.10% | |
1.76% | 1.06% | 1.06% | |
1.42% | 0.85% | 0.85% | |
1.18% | 0.74% | 0.74% | |
0.63% | 0.56% | 0.56% | |
0.51% | 0.45% | 0.45% | |
0.83% | 0.44% | 0.44% | |
0.66% | 0.29% | 0.29% | |
0.38% | 0.27% | 0.27% | |
0.60% | 0.25% | 0.25% |
Frequently Asked Questions
How much do MGK and XLG overlap?
MGK and XLG overlap by 68.3% of portfolio weight. They share 22 holdings (MGK holds 59 positions and XLG holds 51), based on each fund's latest SEC-reported holdings.
Is it redundant to own both MGK and XLG?
The two portfolios are 68.3% 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 MGK and XLG?
The largest positions held by both funds are NVDA, AAPL, MSFT, GOOGL and AMZN. Together the top 10 shared positions account for 87% of the total overlap.
What does MGK own that XLG doesn't?
37 positions (20.9% of MGK) are unique to MGK, led by LRCX, GEV and KLAC. In the other direction, 29 positions (27.5% of XLG) are unique to XLG.