SIZE vs XOEF
iShares MSCI USA Size Factor ETF against iShares S&P 500 ex S&P 100 ETF: cost, size, returns, what they hold and how much of it is the same.
Overlap by weight
56%
342 shared positions
Fee gap
5 bp
SIZE is cheaper
1-year return gap
5.5 pts
XOEF is ahead
Larger fund
SIZE
$432M
Side by side
| SIZE | XOEF | |
|---|---|---|
| Fund | iShares MSCI USA Size Factor ETF | iShares S&P 500 ex S&P 100 ETF |
| Issuer | iShares | iShares |
| Category | Multi-Factor | Large Cap Blend |
| Expense ratio | 0.15% | 0.20% |
| Assets | $432M | $23M |
| Average daily dollar volume | $1.1M | $137K |
| Listed | Apr 16, 2013 | Jul 8, 2025 |
| FrenzyCap score | 71 | 46 |
| 1-month return | +1.3% | +1.2% |
| 3-month return | +2.0% | +1.4% |
| Year to date | +11.5% | +15.8% |
| 1-year return | +11.4% | +16.9% |
| 30-day volatility | 11.3% | 10.8% |
| Worst drawdown, 1 year | −8.3% | −7.9% |
| Trailing 12-month yield | 1.37% | 1.10% |
| Holdings | 519 | 407 |
| Top 10 weight | 3.8% | 10.4% |
| Look-through P/E | 25.3 | 25.4 |
| Holdings vs fair value | +8.8% | +9.1% |
| Holdings above 200-day average | 61% | 62% |
| Net flow, latest 3 reported months | −$164K thru Jul 2026 | +$6K thru Jun 2026 |
| 30-day implied volatility | 13.2% | — |
| Holdings as of | as of Oct 20, 2026issuer data | as of Oct 20, 2026issuer data |
Returns are price returns and exclude distributions. Flows are each fund's own latest reported months and may not cover the same period.
Largest shared holdings
67% of SIZE · 95% of XOEF| Holding | SIZE | XOEF |
|---|---|---|
| MPC | 0.33% | 0.77% |
| HPE | 0.32% | 0.43% |
| VLO | 0.30% | 0.72% |
| PSX | 0.29% | 0.67% |
| A | 0.29% | 0.28% |
| VEEV | 0.37% | 0.28% |
| CRWD | 0.26% | 1.33% |
| HUM | 0.26% | 0.29% |
| VMRK | 0.36% | 0.26% |
| IQV | 0.29% | 0.25% |
| WAT | 0.25% | 0.25% |
| BDX | 0.25% | 0.30% |
| ABNB | 0.25% | 0.43% |
| MCK | 0.24% | 0.69% |
| PYPL | 0.24% | 0.28% |
| HOOD | 0.24% | 0.45% |
| MRVL | 0.24% | 1.21% |
| FTNT | 0.24% | 0.61% |
| P | 0.32% | 0.24% |
| COR | 0.24% | 0.38% |
| ADP | 0.24% | 0.67% |
| CAH | 0.24% | 0.35% |
| NTAP | 0.33% | 0.24% |
| TRV | 0.24% | 0.48% |
| WDAY | 0.30% | 0.24% |
Sector mix of the stock holdings
| Sector | SIZE | XOEF | Gap |
|---|---|---|---|
| Technology | 21.5% | 22.0% | −0.6% |
| Industrials | 18.6% | 18.3% | +0.2% |
| Financials | 14.0% | 13.1% | +0.9% |
| Health Care | 10.8% | 9.6% | +1.2% |
| Consumer Discretionary | 8.6% | 8.1% | +0.5% |
| Utilities | 6.7% | 7.8% | −1.1% |
| Materials | 5.4% | 5.9% | −0.5% |
| Real Estate | 4.6% | 6.1% | −1.4% |
| Consumer Staples | 4.8% | 4.0% | +0.8% |
| Energy | 2.9% | 4.5% | −1.5% |
| Communication Services | 2.0% | 0.5% | +1.5% |
More: full overlap table · SIZE holdings · XOEF holdings
Fund data comes from each fund's SEC filings and issuer disclosures and is shown with the date it is as of. SEC portfolio and flow filings become public about 60 days after the period they cover. Nothing here is investment advice; see Terms.