CGUS vs MGC: Holdings Overlap
CGUSCapital Group Core Equity ETF
Capital Group · 65 holdings · $11.6B · as of 2026-05-31
MGCVanguard Mega Cap Index Fund
Vanguard · 173 holdings · $10.3B · as of 2026-05-31
How similar are CGUS and MGC?
Capital Group Core Equity ETF (CGUS, by Capital Group) holds 65 positions; Vanguard Mega Cap Index Fund (MGC, by Vanguard) holds 173. They have 46 holdings in common, and by portfolio weight the two funds are 49.1% identical. In practical terms the pair is moderately overlapping; they share a meaningful core, but each fund adds distinct exposure.
- Overlap by Weight
- 49.1%Sum of the smaller weight of each shared holding
- Shared Holdings
- 46CGUS holds 65 · MGC holds 173
- Weight in Shared Holdings
- CGUS 78%·MGC 61%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 CGUS
19 of 65 positions (19.5% of the fund) are not held by MGC.
Sector Breakdown
| Sector | CGUS | MGC |
|---|---|---|
| Information Technology | 37.1% | 42.4% |
| Communication Services | 10.2% | 12.2% |
| Financials | 9.4% | 10.7% |
| Consumer Discretionary | 9.2% | 9.7% |
| Industrials | 9.3% | 6.4% |
| Other Sectors | 21.0% | 18.1% |
| Unclassified | 0.8% | 0.1% |
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. “Unclassified” is weight we could not classify (1% of CGUS, 0% of MGC).
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| CGUS | +4.6% | +15.5% | +23.5% | +22.0% | — | — | 0.80% |
| MGC | +3.6% | +13.6% | +24.3% | +22.7% | +14.0% | +16.2% | 0.89% |
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 CGUS vs MGC →
Shared Holdings(46)
The top 10 shared positions account for 71% of the overlap, led by NVDA, MSFT and AMZN.
6.85% | 9.10% | 6.85% | |
5.75% | 6.24% | 5.75% | |
5.04% | 4.88% | 4.88% | |
6.33% | 3.95% | 3.95% | |
3.22% | 4.13% | 3.22% | |
2.75% | 8.55% | 2.75% | |
3.79% | 2.58% | 2.58% | |
1.93% | 3.25% | 1.93% | |
3.92% | 1.75% | 1.75% | |
1.79% | 1.41% | 1.41% | |
1.95% | 0.80% | 0.80% | |
1.82% | 0.73% | 0.73% | |
1.30% | 0.68% | 0.68% | |
0.67% | 1.02% | 0.67% | |
2.57% | 0.67% | 0.67% | |
1.29% | 0.64% | 0.64% | |
1.41% | 0.60% | 0.60% | |
0.60% | 0.72% | 0.60% | |
0.82% | 0.59% | 0.59% | |
0.70% | 0.54% | 0.54% | |
0.88% | 0.52% | 0.52% | |
0.49% | 0.86% | 0.49% | |
0.60% | 0.47% | 0.47% | |
1.95% | 0.45% | 0.45% | |
1.13% | 0.45% | 0.45% |
Frequently Asked Questions
How much do CGUS and MGC overlap?
CGUS and MGC overlap by 49.1% of portfolio weight. They share 46 holdings (CGUS holds 65 positions and MGC holds 173), based on each fund's latest SEC-reported holdings.
Is it redundant to own both CGUS and MGC?
The two portfolios are 49.1% 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 CGUS and MGC?
The largest positions held by both funds are NVDA, MSFT, AMZN, AVGO and GOOGL. Together the top 10 shared positions account for 71% of the total overlap.
What does CGUS own that MGC doesn't?
19 positions (19.5% of CGUS) are unique to CGUS, led by TSM, STX and BATS. In the other direction, 127 positions (38.3% of MGC) are unique to MGC.