DFAU vs SPY: fund overlap

ETF comparisons  /  DFAU vs SPY

US equity (active) comparison · DFAU 2026-07-31 · SPY 2026-10-29

DFAU vs SPY

Dimensional US Core Equity Market ETF compared with State Street SPDR S&P 500 ETF Trust

These funds provide similar company exposure.DFAU has 1,705 companies outside the overlap; SPY has 32.

Do DFAU and SPY overlap?

DFAU and SPY overlap by 82.1% by weight, across 469 shared companies.

DFAUUS equity (active)

Dimensional US Core Equity Market ETF

2,197holdings
0.12%annual fee
USmarket
Valuation2,076 companies covered
24.8×P / E94% by weight
4.54×P / B84% by weight
4.0%Earnings yield
DFAU holdings and fund profile
SPYUS equity

State Street SPDR S&P 500 ETF Trust

504holdings
0.09%annual fee
USmarket
Valuation492 companies covered
27.0×P / E97% by weight
5.48×P / B86% by weight
3.7%Earnings yield
SPY holdings and fund profile

Price development

Both lines rebased to 0% over their shared dates

Largest shared positions

469 companies held in both funds

DFAU weight SPY weight
Shared companyDFAU SPY
NVIDIA CORP NVDA
6.63%
7.77%
Apple Inc AAPL
6.35%
7.66%
Microsoft Corp MSFT
5.01%
5.92%
ALPHABET INC GOOGL 2 share classes
4.93%
4.52%
↳ ALPHABET INC-CL A GOOGL2.69%2.50%
↳ ALPHABET INC-CL C GOOG2.24%2.02%
AMAZON.COM INC AMZN
3.54%
3.60%
BROADCOM INC AVGO
2.31%
2.47%
META PLATFORMS INC-CLASS A META
1.76%
2.07%
Micron Technology Inc MU
1.37%
1.59%
JPMorgan Chase & Co JPM
1.26%
1.37%
ELI LILLY & CO LLY
1.22%
1.65%
BERKSHIRE HATHAWAY INC. BRK/B
1.09%
1.52%
TESLA INC TSLA
1.06%
1.71%
ExxonMobil Holdings Corporation 2670549D
0.87%
1.13%
ADVANCED MICRO DEVICES AMD
0.85%
1.39%
Visa Inc V
0.74%
1.05%
JOHNSON & JOHNSON JNJ
0.71%
1.00%
Mastercard Inc MA
0.63%
0.77%
WALMART INC. WMT
0.57%
0.81%
AbbVie Inc ABBV
0.53%
0.77%
CISCO SYSTEMS, INC. CSCO
0.52%
0.64%
Merck & Co Inc MRK
0.49%
0.54%
Bank of America Corp BAC
0.49%
0.50%
THE PROCTER & GAMBLE COMPANY PG
0.48%
0.56%
Costco Wholesale Corp COST
0.47%
0.66%
Applied Materials Inc AMAT
0.46%
0.50%

DFAU and SPY questions

Based on the holdings compared above

How much do DFAU and SPY overlap?

DFAU and SPY overlap by 82.1% by weight, across 469 shared companies.

Which companies do DFAU and SPY both hold?

The largest companies held in both funds are NVIDIA CORP, Apple Inc, Microsoft Corp, ALPHABET INC, AMAZON.COM INC.

Can I hold both DFAU and SPY?

Holding both means 82.1% of that part of your portfolio is the same companies counted twice. That can suit you or not depending on your goals; this tool reports the overlap rather than giving advice.

Is DFAU or SPY cheaper?

DFAU has a 0.12% expense ratio and SPY has 0.09%.

How do DFAU and SPY compare on valuation?

DFAU has a weighted P/E of 24.8 and SPY has a weighted P/E of 27.0.

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