SIZE vs URTH: holdings overlap, shared companies and scores
As of October 9, 2026, SIZE and URTH overlap 36.1% by weight. iShares MSCI USA Size Factor ETF (SIZE): U.S. large and mid caps. iShares MSCI World ETF (URTH): Developed-market large and mid caps.
Updated October 9, 2026
Where SIZE and URTH trade against their own history
SIZE trades at 21.4 times earnings, against its own median of 20.3, and is more expensive than 64% of its own 115 monthly readings since 2017.
URTH trades at 22.4 times earnings, against its own median of 19.8, and is more expensive than 67% of its own 115 monthly readings since 2017.
What moved SIZE and URTH this week
SIZE rose 1.6% in the week to October 9, 2026. The holdings that moved it most were PTC (+35.0%), Okta (+9.8%) and Zscaler (+18.9%); Iren (−15.7%) pushed the other way.
URTH rose 0.8% in the week to October 9, 2026. The holdings that moved it most were Microsoft (+3.4%), Amazon.com (+4.3%) and Alphabet (+2.4%); Nvidia (−2.0%) pushed the other way.
What do SIZE and URTH each hold?
What's inside SIZE: Tech 21%, AI 5%.
4% of SIZE is its ten largest holdings.
What's inside URTH: Tech 37%, Magnificent 7 25%.
28% of URTH is its ten largest holdings.
How much do SIZE and URTH overlap? 36.1% by weight
As of October 9, 2026, SIZE and URTH overlap 36.1% by weight.
100% of SIZE is already inside URTH.
74% of URTH is already inside SIZE.
SIZE holds 518 companies and URTH holds 1,265; 517 are in both.
Computed by ETF Copilot from both funds' holdings rather than quoted from a data provider, and rebuilt nightly.
How does ETF Copilot score SIZE and URTH? 5.0 and 6.2 out of 10
As of October 9, 2026, ETF Copilot scores SIZE 5.0 out of 10 and URTH 6.2 out of 10.
They differ most on Quality: SIZE 3.8 and URTH 7.6.
The five factor scores behind them are set out below, 0–10 and higher is better, ranked against every US equity ETF we track.
| Factor | SIZE | URTH |
|---|---|---|
| Growth | 4.6 | 6.6 |
| Value | 5.0 | 2.1 |
| Risk | 7.1 | 6.9 |
| Quality | 3.8 | 7.6 |
| Return | 5.0 | 7.1 |
SIZE is the cheaper of the two at 0.15% a year
As of October 9, 2026, SIZE charges 0.15% a year, yields 1.39% and holds $424M in assets across 518 positions.
As of October 9, 2026, URTH charges 0.24% a year, yields 1.36% and holds $8.3B in assets across 1265 positions.
| Measure | SIZE | URTH |
|---|---|---|
| Expense ratio | 0.15% | 0.24% |
| Dividend yield | 1.39% | 1.36% |
| Assets under management | $424M | $8.3B |
| Holdings | 518 | 1265 |
Expense ratio, dividend yield and assets under management are reported by the fund and refreshed daily. Every other figure on this page is computed by ETF Copilot.
Compare with similar funds
Cite this
ETF Copilot, “SIZE vs URTH holdings overlap and scores”, as of October 9, 2026.
https://etf-copilot.com/compare/size-vs-urth
ETF Copilot Pro unlocks SIZE vs URTH prices and holdings.
Try Pro free →