DFAS vs IJH: Holdings Overlap
DFASDimensional U.S. Small Cap ETF
Dimensional · 2121 holdings · $15.3B · as of 2026-04-30
IJHiShares Core S&P Mid-Cap ETF
iShares · 399 holdings · $126.1B · as of 2026-03-31
Holdings snapshots are 30 days apart (DFAS: 2026-04-30, IJH: 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 IJH?
Dimensional U.S. Small Cap ETF (DFAS, by Dimensional) holds 2121 positions; iShares Core S&P Mid-Cap ETF (IJH, by iShares) holds 399. They have 327 holdings in common, and by portfolio weight the two funds are 38.4% identical. In practical terms the pair is moderately overlapping; they share a meaningful core, but each fund adds distinct exposure.
- Overlap by Weight
- 38.4%Sum of the smaller weight of each shared holding
- Shared Holdings
- 327DFAS holds 2121 · IJH holds 399
- Weight in Shared Holdings
- DFAS 39%·IJH 73%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
1794 of 2121 positions (61.0% of the fund) are not held by IJH. Showing the top 30 by weight.
Sector Breakdown
| Sector | DFAS | IJH |
|---|---|---|
| Industrials | 20.6% | 25.3% |
| Financials | 19.2% | 14.6% |
| Consumer Discretionary | 12.4% | 11.3% |
| Information Technology | 12.0% | 12.3% |
| Health Care | 11.1% | 8.9% |
| Other Sectors | 21.9% | 27.1% |
| 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 IJH).
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% |
| IJH | +3.1% | +18.4% | +26.0% | +14.5% | +9.0% | +11.2% | 1.14% |
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 IJH →
Shared Holdings(327)
The top 10 shared positions account for 7% of the overlap, led by TTMI, AEIS and WCC.
 TTMITTM Technologies Inc COM | 0.34% | 0.31% | 0.31% |
|---|---|---|---|
 AEISAdvanced Energy Industries, Inc. COM | 0.29% | 0.38% | 0.29% |
 WCCWesco International, Inc. COM | 0.29% | 0.41% | 0.29% |
 ONTOOnto Innovation Inc. COM | 0.26% | 0.32% | 0.26% |
 BWABorgWarner Inc. COM | 0.25% | 0.35% | 0.25% |
 JAZZJazz Pharmaceuticals Public Limited Company | 0.25% | 0.36% | 0.25% |
 RMBSRambus Inc. COM | 0.24% | 0.29% | 0.24% |
 HLHecla Mining Company COM | 0.23% | 0.39% | 0.23% |
 PNFPPinnacle Financial Partners Inc. COM | 0.23% | 0.40% | 0.23% |
 DINOHF Sinclair Corporation | 0.23% | 0.30% | 0.23% |
 AITApplied Industrial Technologies Inc. COM | 0.23% | 0.31% | 0.23% |
 AAAlcoa Corporation COM | 0.22% | 0.54% | 0.22% |
 DTMDT Midstream Inc COMMON STOCK | 0.22% | 0.43% | 0.22% |
 NYTNew York Times Co. (The), Class A | 0.22% | 0.42% | 0.22% |
 ENSGEnsign Group, Inc. (The) | 0.22% | 0.36% | 0.22% |
 FCFSFirstcash Holdings Inc COM | 0.21% | 0.23% | 0.21% |
 RRCRange Resources Corporation | 0.21% | 0.33% | 0.21% |
 DARDarling Ingredients, Inc COM | 0.21% | 0.31% | 0.21% |
 AMAntero Midstream Corporation COM | 0.21% | 0.24% | 0.21% |
 ELANElanco Animal Health Inc COM | 0.21% | 0.37% | 0.21% |
 PRPermian Resources Corporation Class A | 0.21% | 0.49% | 0.21% |
 WTFCWintrust Financial Corporation COM | 0.21% | 0.29% | 0.21% |
 SPXCSPX Technologies, Inc. COM | 0.21% | 0.31% | 0.21% |
 OVVOvintiv Inc COM | 0.20% | 0.51% | 0.20% |
 LFUSLittelfuse Inc. COM | 0.20% | 0.26% | 0.20% |
Showing the top 250 of 327 shared holdings by overlap weight.
Frequently Asked Questions
How much do DFAS and IJH overlap?
DFAS and IJH overlap by 38.4% of portfolio weight. They share 327 holdings (DFAS holds 2121 positions and IJH holds 399), based on each fund's latest SEC-reported holdings.
Is it redundant to own both DFAS and IJH?
The two portfolios are 38.4% 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 IJH?
The largest positions held by both funds are TTMI, AEIS, WCC, ONTO and BWA. Together the top 10 shared positions account for 7% of the total overlap.
What does DFAS own that IJH doesn't?
1794 positions (61.0% of DFAS) are unique to DFAS, led by MOD, APA and IESC. In the other direction, 72 positions (26.0% of IJH) are unique to IJH.