DFAU vs SPY: Holdings Overlap
DFAUDimensional US Core Equity Market ETF
Dimensional · 2190 holdings · $12.4B · 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 (DFAU: 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 DFAU and SPY?
Dimensional US Core Equity Market ETF (DFAU, by Dimensional) holds 2190 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 82.4% identical. In practical terms the pair is heavily overlapping, with largely the same stocks driving both funds.
- Overlap by Weight
- 82.4%Sum of the smaller weight of each shared holding
- Shared Holdings
- 468DFAU holds 2190 · SPY holds 504
- Weight in Shared Holdings
- DFAU 87%·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 DFAU
1722 of 2190 positions (13.3% of the fund) are not held by SPY. Showing the top 30 by weight.
Sector Breakdown
| Sector | DFAU | SPY |
|---|---|---|
| Information Technology | 31.7% | 37.6% |
| Financials | 13.0% | 12.3% |
| Industrials | 11.0% | 8.8% |
| Consumer Discretionary | 10.5% | 9.3% |
| Communication Services | 10.4% | 9.7% |
| Other Sectors | 23.0% | 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 |
|---|---|---|---|---|---|---|---|
| DFAU | +3.5% | +14.9% | +24.8% | +20.5% | +12.9% | — | 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 DFAU vs SPY →
Shared Holdings(468)
The top 10 shared positions account for 41% of the overlap, led by NVDA, AAPL and MSFT.
 NVDANVIDIA Corp. COM | 6.83% | 8.00% | 6.83% |
|---|---|---|---|
 AAPLApple Inc. COM | 5.76% | 6.92% | 5.76% |
 MSFTMicrosoft Corp. COM | 4.62% | 5.60% | 4.62% |
 AMZNAmazon.com, Inc. COM | 3.66% | 4.02% | 3.66% |
 GOOGLAlphabet Inc. CAP STK CL A | 3.06% | 3.16% | 3.06% |
 AVGOBroadcom Inc COM | 2.58% | 3.00% | 2.58% |
 GOOGAlphabet Inc. CAP STK CL C | 2.53% | 2.54% | 2.53% |
 METAMeta Platforms, Inc., Class A | 2.03% | 1.95% | 1.95% |
 TSLATesla Inc COM | 1.52% | 1.36% | 1.36% |
 JPMJPMorgan Chase & Co. COM | 1.20% | 1.44% | 1.20% |
 BRK-BBerkshire Hathaway, Inc., Class B | 1.07% | 1.45% | 1.07% |
 LLYEli Lilly & Co. COM | 1.06% | 1.42% | 1.06% |
 MUMicron Technology Inc. COM | 0.94% | 1.50% | 0.94% |
 VVisa, Inc., Class A | 0.71% | 0.93% | 0.71% |
 WMTWalmart Inc COM | 0.70% | 0.74% | 0.70% |
 JNJJohnson & Johnson COM | 0.67% | 0.93% | 0.67% |
 AMDAdvanced Micro Devices Inc. COM | 0.62% | 1.20% | 0.62% |
 MAMasterCard Incorporated CL A | 0.60% | 0.70% | 0.60% |
 CATCaterpillar Inc COM | 0.56% | 0.59% | 0.56% |
 COSTCostco Wholesale Corporation COM | 0.53% | 0.63% | 0.53% |
 PGThe Procter & Gamble Co. COM | 0.53% | 0.52% | 0.52% |
 INTCIntel Corporation COM | 0.51% | 0.71% | 0.51% |
 CVXChevron Corp. COM | 0.48% | 0.53% | 0.48% |
 ABBVAbbVie Inc. COM | 0.48% | 0.65% | 0.48% |
 NFLXNetflix, Inc. COM | 0.50% | 0.47% | 0.47% |
Showing the top 250 of 468 shared holdings by overlap weight.
Frequently Asked Questions
How much do DFAU and SPY overlap?
DFAU and SPY overlap by 82.4% of portfolio weight. They share 468 holdings (DFAU holds 2190 positions and SPY holds 504), based on each fund's latest SEC-reported holdings.
Is it redundant to own both DFAU and SPY?
The two portfolios are 82.4% 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 DFAU and SPY?
The largest positions held by both funds are NVDA, AAPL, MSFT, AMZN and GOOGL. Together the top 10 shared positions account for 41% of the total overlap.
What does DFAU own that SPY doesn't?
1722 positions (13.3% of DFAU) are unique to DFAU, led by XOM, HON and LNG. In the other direction, 36 positions (3.0% of SPY) are unique to SPY.