DFAS vs IWN: Holdings Overlap
DFASDimensional U.S. Small Cap ETF
Dimensional · 2121 holdings · $15.3B · as of 2026-04-30
IWNiShares Russell 2000 Value ETF
iShares · 1406 holdings · $14.7B · as of 2026-03-31
Holdings snapshots are 30 days apart (DFAS: 2026-04-30, IWN: 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 IWN?
Dimensional U.S. Small Cap ETF (DFAS, by Dimensional) holds 2121 positions; iShares Russell 2000 Value ETF (IWN, by iShares) holds 1406. They have 1086 holdings in common, and by portfolio weight the two funds are 34.5% identical. In practical terms the pair is moderately overlapping; they share a meaningful core, but each fund adds distinct exposure.
- Overlap by Weight
- 34.5%Sum of the smaller weight of each shared holding
- Shared Holdings
- 1086DFAS holds 2121 · IWN holds 1406
- Weight in Shared Holdings
- DFAS 38%·IWN 82%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
1035 of 2121 positions (62.1% of the fund) are not held by IWN. Showing the top 30 by weight.
Sector Breakdown
| Sector | DFAS | IWN |
|---|---|---|
| Financials | 19.2% | 22.4% |
| Industrials | 20.6% | 11.9% |
| Consumer Discretionary | 12.4% | 8.7% |
| Information Technology | 12.0% | 8.0% |
| Health Care | 11.1% | 10.0% |
| Other Sectors | 21.9% | 31.6% |
| Unclassified | 2.7% | 7.1% |
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, 7% of IWN).
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% |
| IWN | +2.4% | +25.3% | +42.6% | +16.8% | +9.0% | +10.2% | 1.41% |
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 IWN →
Shared Holdings(1086)
The top 10 shared positions account for 6% of the overlap, led by TTMI, SANM and HL.
 TTMITTM Technologies Inc COM | 0.34% | 0.69% | 0.34% |
|---|---|---|---|
 SANMSanmina Corporation | 0.24% | 0.26% | 0.24% |
 HLHecla Mining Company COM | 0.23% | 0.62% | 0.23% |
 UMBFUMB Financial Corporation | 0.19% | 0.52% | 0.19% |
 JXNJackson Financial, Inc., Class A | 0.18% | 0.50% | 0.18% |
 FLRFluor Corporation COM | 0.18% | 0.52% | 0.18% |
 ONBOld National Bancorp COM | 0.18% | 0.47% | 0.18% |
 ENSEnerSys COM | 0.18% | 0.42% | 0.18% |
 CMCCommercial Metals Company COM | 0.17% | 0.47% | 0.17% |
 NENoble Corporation PLC ORD SHS A | 0.17% | 0.43% | 0.17% |
 VSATViaSat, Inc. COM | 0.17% | 0.39% | 0.17% |
 RIGNTransocean Ltd COM CHF0.10 | 0.17% | 0.42% | 0.17% |
 VALValaris Ltd. CL A | 0.16% | 0.42% | 0.16% |
 VLYValley National Bancorp. COM | 0.16% | 0.31% | 0.16% |
 GATXGATX Corporation COM | 0.16% | 0.39% | 0.16% |
 ORAOrmat Technologies Inc. COM | 0.16% | 0.47% | 0.16% |
 TEXTerex Corporation COM | 0.15% | 0.26% | 0.15% |
 RIOTRiot Platforms Inc COM | 0.15% | 0.30% | 0.15% |
 SWXSouthwest Gas Holdings Inc COM | 0.15% | 0.41% | 0.15% |
 GBCIGlacier Bancorp Inc. COM | 0.14% | 0.32% | 0.14% |
 REZIResideo Technologies Inc COM | 0.14% | 0.30% | 0.14% |
 UBSIUnited Bankshares Inc COM | 0.14% | 0.40% | 0.14% |
 URBNUrban Outfitters Inc. COM | 0.14% | 0.19% | 0.14% |
 LAURLaureate Education, Inc. COMMON STOCK | 0.14% | 0.20% | 0.14% |
 ACAArcosa Inc COM | 0.14% | 0.26% | 0.14% |
Showing the top 250 of 1086 shared holdings by overlap weight.
Frequently Asked Questions
How much do DFAS and IWN overlap?
DFAS and IWN overlap by 34.5% of portfolio weight. They share 1086 holdings (DFAS holds 2121 positions and IWN holds 1406), based on each fund's latest SEC-reported holdings.
Is it redundant to own both DFAS and IWN?
The two portfolios are 34.5% 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 IWN?
The largest positions held by both funds are TTMI, SANM, HL, UMBF and JXN. Together the top 10 shared positions account for 6% of the total overlap.
What does DFAS own that IWN doesn't?
1035 positions (62.1% of DFAS) are unique to DFAS, led by AMKR, AEIS and WCC. In the other direction, 320 positions (17.4% of IWN) are unique to IWN.