MGC vs SCHB: Holdings Overlap
MGCVanguard Mega Cap Index Fund
Vanguard · 173 holdings · $10.3B · as of 2026-05-31
SCHBSchwab U.S. Broad Market ETF
Schwab · 2407 holdings · $44.7B · as of 2026-05-31
How similar are MGC and SCHB?
Vanguard Mega Cap Index Fund (MGC, by Vanguard) holds 173 positions; Schwab U.S. Broad Market ETF (SCHB, by Schwab) holds 2407. They have 172 holdings in common, and by portfolio weight the two funds are 74.3% identical. In practical terms the pair is heavily overlapping, with largely the same stocks driving both funds.
- Overlap by Weight
- 74.3%Sum of the smaller weight of each shared holding
- Shared Holdings
- 172MGC holds 173 · SCHB holds 2407
- Weight in Shared Holdings
- MGC 100%·SCHB 75%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
Sector Breakdown
| Sector | MGC | SCHB |
|---|---|---|
| Information Technology | 42.4% | 36.4% |
| Communication Services | 12.2% | 9.8% |
| Financials | 10.7% | 11.6% |
| Consumer Discretionary | 9.7% | 9.7% |
| Industrials | 6.4% | 9.6% |
| Other Sectors | 18.1% | 22.6% |
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 |
|---|---|---|---|---|---|---|---|
| MGC | +3.6% | +13.6% | +24.3% | +22.7% | +14.0% | +16.2% | 0.89% |
| SCHB | +3.3% | +14.6% | +24.0% | +20.9% | +12.4% | +14.9% | 1.00% |
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 MGC vs SCHB →
Shared Holdings(172)
The top 10 shared positions account for 47% of the overlap, led by NVDA, AAPL and MSFT.
 NVDANVIDIA Corp. COM | 9.10% | 7.02% | 7.02% |
|---|---|---|---|
 AAPLApple Inc. COM | 8.55% | 6.26% | 6.26% |
 MSFTMicrosoft Corp. COM | 6.24% | 4.57% | 4.57% |
 AMZNAmazon.com, Inc. COM | 4.88% | 3.62% | 3.62% |
 GOOGLAlphabet Inc. CAP STK CL A | 4.13% | 3.03% | 3.03% |
 AVGOBroadcom Inc COM | 3.95% | 2.90% | 2.90% |
 GOOGAlphabet Inc. CAP STK CL C | 3.25% | 2.41% | 2.41% |
 METAMeta Platforms, Inc., Class A | 2.58% | 1.89% | 1.89% |
 TSLATesla Inc COM | 2.29% | 1.68% | 1.68% |
 MUMicron Technology Inc. COM | 2.04% | 1.49% | 1.49% |
 LLYEli Lilly & Co. COM | 1.75% | 1.20% | 1.20% |
 BRK-BBerkshire Hathaway, Inc., Class B | 1.53% | 1.19% | 1.19% |
 AMDAdvanced Micro Devices Inc. COM | 1.57% | 1.15% | 1.15% |
 JPMJPMorgan Chase & Co. COM | 1.41% | 1.10% | 1.10% |
 XOMExxon Mobil Corp. COM | 1.13% | 0.83% | 0.83% |
 VVisa, Inc., Class A | 1.02% | 0.75% | 0.75% |
 JNJJohnson & Johnson COM | 1.01% | 0.74% | 0.74% |
 INTCIntel Corporation COM | 0.86% | 0.74% | 0.74% |
 WMTWalmart Inc COM | 0.95% | 0.69% | 0.69% |
 CSCOCisco Systems, Inc. COM | 0.80% | 0.65% | 0.65% |
 COSTCostco Wholesale Corporation COM | 0.79% | 0.58% | 0.58% |
 CATCaterpillar Inc COM | 0.76% | 0.56% | 0.56% |
 MAMasterCard Incorporated CL A | 0.73% | 0.55% | 0.55% |
 LRCXLam Research Corporation COM NEW | 0.74% | 0.54% | 0.54% |
 ABBVAbbVie Inc. COM | 0.72% | 0.53% | 0.53% |
Frequently Asked Questions
How much do MGC and SCHB overlap?
MGC and SCHB overlap by 74.3% of portfolio weight. They share 172 holdings (MGC holds 173 positions and SCHB holds 2407), based on each fund's latest SEC-reported holdings.
Is it redundant to own both MGC and SCHB?
The two portfolios are 74.3% 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 MGC and SCHB?
The largest positions held by both funds are NVDA, AAPL, MSFT, AMZN and GOOGL. Together the top 10 shared positions account for 47% of the total overlap.
What does MGC own that SCHB doesn't?
1 positions (0.1% of MGC) are unique to MGC, led by BRK-A. In the other direction, 2235 positions (24.9% of SCHB) are unique to SCHB.