DFAS vs VOO: Holdings Overlap
DFASDimensional U.S. Small Cap ETF
Dimensional · 2121 holdings · $15.3B · as of 2026-04-30
Vanguard · 504 holdings · $1.03T · as of 2026-03-31
Holdings snapshots are 30 days apart (DFAS: 2026-04-30, VOO: 2026-03-31). 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 DFAS and VOO?
Dimensional U.S. Small Cap ETF (DFAS, by Dimensional) holds 2121 positions; Vanguard 500 Index Fund (VOO, by Vanguard) holds 504. They have 47 holdings in common, and by portfolio weight the two funds are 0.8% identical. In practical terms the pair is essentially distinct, holding almost none of the same securities.
- Overlap by Weight
- 0.8%Sum of the smaller weight of each shared holding
- Shared Holdings
- 47DFAS holds 2121 · VOO holds 504
- Weight in Shared Holdings
- DFAS 5%·VOO 1%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 DFAS
2074 of 2121 positions (95.1% of the fund) are not held by VOO. Showing the top 30 by weight.
Sector Breakdown
| Sector | DFAS | VOO |
|---|---|---|
| Information Technology | 12.0% | 32.7% |
| Industrials | 20.6% | 9.0% |
| Financials | 19.2% | 12.4% |
| Consumer Discretionary | 12.4% | 9.9% |
| Health Care | 11.1% | 9.5% |
| Other Sectors | 21.9% | 26.3% |
| Unclassified | 2.7% | 0.0% |
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. “Unclassified” is weight we could not classify (3% of DFAS, 0% of VOO).
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| DFAS | +3.2% | +20.5% | +31.3% | +14.8% | +9.1% | — | 0.95% |
| VOO | +3.4% | +14.0% | +23.7% | +21.3% | +13.4% | +15.4% | 1.03% |
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 DFAS vs VOO →
Shared Holdings(47)
The top 10 shared positions account for 35% of the overlap, led by ALB, MRNA and CF.
 ALBAlbemarle Corp COM | 0.15% | 0.04% | 0.04% |
|---|---|---|---|
 MRNAModerna Inc COM | 0.06% | 0.03% | 0.03% |
 CFCF Industries Holdings, Inc. COM | 0.03% | 0.04% | 0.03% |
 VTRSViatris Inc COM | 0.12% | 0.03% | 0.03% |
 APAAPA Corp. COM | 0.25% | 0.03% | 0.03% |
 HIIHuntington Ingalls Industries, Inc. COM | 0.21% | 0.03% | 0.03% |
 HASHasbro Inc COM | 0.22% | 0.02% | 0.02% |
 PNWPinnacle West Capital Corp. COM | 0.17% | 0.02% | 0.02% |
 ALGNAlign Technology Inc. COM | 0.11% | 0.02% | 0.02% |
 GNRCGenerac Holdings Inc. COM | 0.23% | 0.02% | 0.02% |
 JKHYHenry Jack & Associates Inc. COM | 0.04% | 0.02% | 0.02% |
 GLGlobe Life Inc COM | 0.18% | 0.02% | 0.02% |
 SWKStanley Black & Decker, Inc. COM | 0.12% | 0.02% | 0.02% |
 AIZAssurant Inc. COM | 0.15% | 0.02% | 0.02% |
 IVZInvesco Ltd COM STK USD0.20 | 0.21% | 0.02% | 0.02% |
 SJMThe J M Smucker Company COM NEW | 0.11% | 0.02% | 0.02% |
 ZBRAZebra Technologies Corporation CL A | 0.03% | 0.02% | 0.02% |
 AESAES Corp. (The) | 0.16% | 0.02% | 0.02% |
 RVTYRevvity Inc COM | 0.13% | 0.02% | 0.02% |
 UHSUniversal Health Services, Inc., Class B | 0.04% | 0.02% | 0.02% |
 BLDRBuilders Firstsource, Inc. COM | 0.04% | 0.02% | 0.02% |
 SOLVSolventum Corp. COM SHS | 0.02% | 0.02% | 0.02% |
 BAXBaxter International, Inc. COM | 0.08% | 0.02% | 0.02% |
 WYNNWynn Resorts Limited COM | 0.12% | 0.02% | 0.02% |
 CRLCharles River Laboratories International, Inc. COM | 0.16% | 0.02% | 0.02% |
Frequently Asked Questions
How much do DFAS and VOO overlap?
DFAS and VOO overlap by 0.8% of portfolio weight. They share 47 holdings (DFAS holds 2121 positions and VOO holds 504), based on each fund's latest SEC-reported holdings.
Is it redundant to own both DFAS and VOO?
The two portfolios are 0.8% identical by weight. Owning both is genuine diversification: the funds hold almost none of the same securities.
What are the biggest shared holdings of DFAS and VOO?
The largest positions held by both funds are ALB, MRNA, CF, VTRS and APA. Together the top 10 shared positions account for 35% of the total overlap.
What does DFAS own that VOO doesn't?
2074 positions (95.1% of DFAS) are unique to DFAS, led by AMKR, TTMI and AEIS. In the other direction, 457 positions (98.9% of VOO) are unique to VOO.