DFAS vs IJR: Holdings Overlap
DFASDimensional U.S. Small Cap ETF
Dimensional · 2121 holdings · $15.3B · as of 2026-04-30
IJRiShares Core S&P Small-Cap ETF
iShares · 605 holdings · $113.4B · as of 2026-03-31
Holdings snapshots are 30 days apart (DFAS: 2026-04-30, IJR: 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 IJR?
Dimensional U.S. Small Cap ETF (DFAS, by Dimensional) holds 2121 positions; iShares Core S&P Small-Cap ETF (IJR, by iShares) holds 605. They have 544 holdings in common, and by portfolio weight the two funds are 34.6% identical. In practical terms the pair is moderately overlapping; they share a meaningful core, but each fund adds distinct exposure.
- Overlap by Weight
- 34.6%Sum of the smaller weight of each shared holding
- Shared Holdings
- 544DFAS holds 2121 · IJR holds 605
- Weight in Shared Holdings
- DFAS 35%·IJR 89%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
1577 of 2121 positions (65.1% of the fund) are not held by IJR. Showing the top 30 by weight.
Only in IJR
61 of 605 positions (9.6% of the fund) are not held by DFAS. Showing the top 30 by weight.
Sector Breakdown
| Sector | DFAS | IJR |
|---|---|---|
| Industrials | 20.6% | 17.1% |
| Financials | 19.2% | 17.4% |
| Consumer Discretionary | 12.4% | 13.2% |
| Information Technology | 12.0% | 12.7% |
| Health Care | 11.1% | 11.1% |
| Other Sectors | 21.9% | 26.0% |
| Unclassified | 2.7% | 0.9% |
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, 1% of IJR).
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% |
| IJR | +2.4% | +24.5% | +36.4% | +14.5% | +7.7% | +10.9% | 1.10% |
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 IJR →
Shared Holdings(544)
The top 10 shared positions account for 6% of the overlap, led by SANM, ESI and VIAV.
 SANMSanmina Corporation | 0.24% | 0.46% | 0.24% |
|---|---|---|---|
 ESIElement Solutions Inc COM | 0.23% | 0.51% | 0.23% |
 VIAVViavi Solutions Inc COM | 0.23% | 0.50% | 0.23% |
 FORMFormfactor Inc COM | 0.21% | 0.49% | 0.21% |
 POWLPowell Industries Inc. COM | 0.21% | 0.33% | 0.21% |
 PRIMPrimoris Services Corp. COM | 0.20% | 0.50% | 0.20% |
 SNEXStoneX Group Inc COM | 0.19% | 0.37% | 0.19% |
 AGXArgan Inc COM | 0.18% | 0.49% | 0.18% |
 JXNJackson Financial, Inc., Class A | 0.18% | 0.20% | 0.18% |
 ESEESCO Technologies Inc. COM | 0.18% | 0.48% | 0.18% |
 LUMNLumen Technologies Inc COM | 0.17% | 0.36% | 0.17% |
 DOCNDigitalOcean Holdings Inc COM | 0.17% | 0.44% | 0.17% |
 NENoble Corporation PLC ORD SHS A | 0.17% | 0.40% | 0.17% |
 VSATViaSat, Inc. COM | 0.17% | 0.41% | 0.17% |
 MTCHMatch Group Inc COM | 0.17% | 0.47% | 0.17% |
 QRVOQorvo Inc COM | 0.16% | 0.43% | 0.16% |
 FSSFederal Signal Corp. COM | 0.16% | 0.43% | 0.16% |
 IBPInstalled Building Products Inc COM | 0.16% | 0.39% | 0.16% |
 ECGEverus Construction Group Inc. COM | 0.16% | 0.39% | 0.16% |
 BTSGBrightSpring Health Services Inc. COM | 0.16% | 0.37% | 0.16% |
 AROCArchrock Inc COM | 0.16% | 0.40% | 0.16% |
 AWIArmstrong World Industries, Inc. COM | 0.15% | 0.46% | 0.15% |
 PLXSPlexus Corp COM | 0.15% | 0.35% | 0.15% |
 ZWSZurn Elkay Water Solutions Corporation COMMON STOCK | 0.15% | 0.43% | 0.15% |
 KRYSKrystal Biotech Inc COM | 0.15% | 0.44% | 0.15% |
Showing the top 250 of 544 shared holdings by overlap weight.
Frequently Asked Questions
How much do DFAS and IJR overlap?
DFAS and IJR overlap by 34.6% of portfolio weight. They share 544 holdings (DFAS holds 2121 positions and IJR holds 605), based on each fund's latest SEC-reported holdings.
Is it redundant to own both DFAS and IJR?
The two portfolios are 34.6% 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 DFAS and IJR?
The largest positions held by both funds are SANM, ESI, VIAV, FORM and POWL. Together the top 10 shared positions account for 6% of the total overlap.
What does DFAS own that IJR doesn't?
1577 positions (65.1% of DFAS) are unique to DFAS, led by AMKR, TTMI and AEIS. In the other direction, 61 positions (9.6% of IJR) are unique to IJR.