DFAC vs MGC: Holdings Overlap
DFACDimensional U.S. Core Equity 2 ETF
Dimensional · 2546 holdings · $47.9B · as of 2026-04-30
MGCVanguard Mega Cap Index Fund
Vanguard · 173 holdings · $10.3B · as of 2026-05-31
Holdings snapshots are 31 days apart (DFAC: 2026-04-30, MGC: 2026-05-31). 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 DFAC and MGC?
Dimensional U.S. Core Equity 2 ETF (DFAC, by Dimensional) holds 2546 positions; Vanguard Mega Cap Index Fund (MGC, by Vanguard) holds 173. They have 167 holdings in common, and by portfolio weight the two funds are 52.9% identical. In practical terms the pair is moderately overlapping; they share a meaningful core, but each fund adds distinct exposure.
- Overlap by Weight
- 52.9%Sum of the smaller weight of each shared holding
- Shared Holdings
- 167DFAC holds 2546 · MGC holds 173
- Weight in Shared Holdings
- DFAC 54%·MGC 99%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 DFAC
2379 of 2546 positions (45.7% of the fund) are not held by MGC. Showing the top 30 by weight.
Sector Breakdown
| Sector | DFAC | MGC |
|---|---|---|
| Information Technology | 27.1% | 42.4% |
| Financials | 14.6% | 10.7% |
| Industrials | 13.6% | 6.4% |
| Communication Services | 8.4% | 12.2% |
| Consumer Discretionary | 10.2% | 9.7% |
| Other Sectors | 25.4% | 18.1% |
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.
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| DFAC | +3.7% | +16.6% | +26.8% | +19.5% | +12.3% | — | 0.88% |
| 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 DFAC vs MGC →
Shared Holdings(167)
The top 10 shared positions account for 49% of the overlap, led by NVDA, AAPL and MSFT.
 NVDANVIDIA Corp. COM | 5.60% | 9.10% | 5.60% |
|---|---|---|---|
 AAPLApple Inc. COM | 4.68% | 8.55% | 4.68% |
 MSFTMicrosoft Corp. COM | 3.92% | 6.24% | 3.92% |
 AMZNAmazon.com, Inc. COM | 3.06% | 4.88% | 3.06% |
 GOOGLAlphabet Inc. CAP STK CL A | 2.14% | 4.13% | 2.14% |
 METAMeta Platforms, Inc., Class A | 1.87% | 2.58% | 1.87% |
 GOOGAlphabet Inc. CAP STK CL C | 1.69% | 3.25% | 1.69% |
 JPMJPMorgan Chase & Co. COM | 1.00% | 1.41% | 1.00% |
 AVGOBroadcom Inc COM | 0.95% | 3.95% | 0.95% |
 XOMExxon Mobil Corp. COM | 0.88% | 1.13% | 0.88% |
 LLYEli Lilly & Co. COM | 0.87% | 1.75% | 0.87% |
 JNJJohnson & Johnson COM | 0.82% | 1.01% | 0.82% |
 MUMicron Technology Inc. COM | 0.71% | 2.04% | 0.71% |
 BRK-BBerkshire Hathaway, Inc., Class B | 0.71% | 1.53% | 0.71% |
 VVisa, Inc., Class A | 0.65% | 1.02% | 0.65% |
 CVXChevron Corp. COM | 0.56% | 0.65% | 0.56% |
 PGThe Procter & Gamble Co. COM | 0.50% | 0.62% | 0.50% |
 CATCaterpillar Inc COM | 0.49% | 0.76% | 0.49% |
 MAMasterCard Incorporated CL A | 0.48% | 0.73% | 0.48% |
 COSTCostco Wholesale Corporation COM | 0.47% | 0.79% | 0.47% |
 CSCOCisco Systems, Inc. COM | 0.46% | 0.80% | 0.46% |
 NFLXNetflix, Inc. COM | 0.41% | 0.68% | 0.41% |
 ABBVAbbVie Inc. COM | 0.40% | 0.72% | 0.40% |
 KOCoca-Cola Co (The) COM | 0.39% | 0.51% | 0.39% |
 HDHome Depot, Inc. (The) | 0.38% | 0.59% | 0.38% |
Frequently Asked Questions
How much do DFAC and MGC overlap?
DFAC and MGC overlap by 52.9% of portfolio weight. They share 167 holdings (DFAC holds 2546 positions and MGC holds 173), based on each fund's latest SEC-reported holdings.
Is it redundant to own both DFAC and MGC?
The two portfolios are 52.9% 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 DFAC and MGC?
The largest positions held by both funds are NVDA, AAPL, MSFT, AMZN and GOOGL. Together the top 10 shared positions account for 49% of the total overlap.
What does DFAC own that MGC doesn't?
2379 positions (45.7% of DFAC) are unique to DFAC, led by WDC, GM and ROST. In the other direction, 6 positions (1.0% of MGC) are unique to MGC.