DFAC vs SPY: Holdings Overlap
DFACDimensional U.S. Core Equity 2 ETF
Dimensional · 2546 holdings · $47.9B · as of 2026-04-30
SPYState Street® SPDR® S&P 500® ETF Trust
State Street (SPDR) · 504 holdings · $812.0B · as of 2026-08-06
Holdings snapshots are 98 days apart (DFAC: 2026-04-30, SPY: 2026-08-06). 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 SPY?
Dimensional U.S. Core Equity 2 ETF (DFAC, by Dimensional) holds 2546 positions; State Street® SPDR® S&P 500® ETF Trust (SPY, by State Street (SPDR)) holds 504. They have 468 holdings in common, and by portfolio weight the two funds are 65.8% identical. In practical terms the pair is heavily overlapping, with largely the same stocks driving both funds.
- Overlap by Weight
- 65.8%Sum of the smaller weight of each shared holding
- Shared Holdings
- 468DFAC holds 2546 · SPY holds 504
- Weight in Shared Holdings
- DFAC 75%·SPY 97%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
2078 of 2546 positions (25.1% of the fund) are not held by SPY. Showing the top 30 by weight.
Sector Breakdown
| Sector | DFAC | SPY |
|---|---|---|
| Information Technology | 27.1% | 37.6% |
| Financials | 14.6% | 12.3% |
| Industrials | 13.6% | 8.8% |
| Consumer Discretionary | 10.2% | 9.3% |
| Communication Services | 8.4% | 9.7% |
| Other Sectors | 25.4% | 22.3% |
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% |
| SPY | +3.4% | +14.0% | +23.7% | +21.2% | +13.3% | +15.3% | 0.97% |
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 SPY →
Shared Holdings(468)
The top 10 shared positions account for 39% of the overlap, led by NVDA, AAPL and MSFT.
 NVDANVIDIA Corp. COM | 5.60% | 8.00% | 5.60% |
|---|---|---|---|
 AAPLApple Inc. COM | 4.68% | 6.92% | 4.68% |
 MSFTMicrosoft Corp. COM | 3.92% | 5.60% | 3.92% |
 AMZNAmazon.com, Inc. COM | 3.06% | 4.02% | 3.06% |
 GOOGLAlphabet Inc. CAP STK CL A | 2.14% | 3.16% | 2.14% |
 METAMeta Platforms, Inc., Class A | 1.87% | 1.95% | 1.87% |
 GOOGAlphabet Inc. CAP STK CL C | 1.69% | 2.54% | 1.69% |
 JPMJPMorgan Chase & Co. COM | 1.00% | 1.44% | 1.00% |
 AVGOBroadcom Inc COM | 0.95% | 3.00% | 0.95% |
 LLYEli Lilly & Co. COM | 0.87% | 1.42% | 0.87% |
 JNJJohnson & Johnson COM | 0.82% | 0.93% | 0.82% |
 MUMicron Technology Inc. COM | 0.71% | 1.50% | 0.71% |
 BRK-BBerkshire Hathaway, Inc., Class B | 0.71% | 1.45% | 0.71% |
 VVisa, Inc., Class A | 0.65% | 0.93% | 0.65% |
 CVXChevron Corp. COM | 0.56% | 0.53% | 0.53% |
 PGThe Procter & Gamble Co. COM | 0.50% | 0.52% | 0.50% |
 CATCaterpillar Inc COM | 0.49% | 0.59% | 0.49% |
 MAMasterCard Incorporated CL A | 0.48% | 0.70% | 0.48% |
 COSTCostco Wholesale Corporation COM | 0.47% | 0.63% | 0.47% |
 CSCOCisco Systems, Inc. COM | 0.46% | 0.72% | 0.46% |
 NFLXNetflix, Inc. COM | 0.41% | 0.47% | 0.41% |
 ABBVAbbVie Inc. COM | 0.40% | 0.65% | 0.40% |
 KOCoca-Cola Co (The) COM | 0.39% | 0.51% | 0.39% |
 HDHome Depot, Inc. (The) | 0.38% | 0.52% | 0.38% |
 MRKMerck & Co., Inc COM | 0.38% | 0.48% | 0.38% |
Showing the top 250 of 468 shared holdings by overlap weight.
Frequently Asked Questions
How much do DFAC and SPY overlap?
DFAC and SPY overlap by 65.8% of portfolio weight. They share 468 holdings (DFAC holds 2546 positions and SPY holds 504), based on each fund's latest SEC-reported holdings.
Is it redundant to own both DFAC and SPY?
The two portfolios are 65.8% 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 DFAC and SPY?
The largest positions held by both funds are NVDA, AAPL, MSFT, AMZN and GOOGL. Together the top 10 shared positions account for 39% of the total overlap.
What does DFAC own that SPY doesn't?
2078 positions (25.1% of DFAC) are unique to DFAC, led by XOM, LNG and HON. In the other direction, 36 positions (3.0% of SPY) are unique to SPY.