IOO vs SPGM: holdings overlap, shared companies and scores
As of October 28, 2026, IOO and SPGM overlap 37.1% by weight. iShares Global 100 ETF (IOO): S&P Global 100 index. State Street SPDR Portfolio MSCI Global Stock Market ETF (SPGM): Total global equity market.
Updated October 28, 2026
Where IOO and SPGM trade against their own history
IOO trades at 23.3 times earnings, against its own median of 21.0, and is more expensive than 65% of its own last 9 years.
SPGM trades at 20.2 times earnings, against its own median of 19.8, and is more expensive than 55% of its own last 7 years.
What do IOO and SPGM each hold?
What's inside IOO: Tech 56%, Magnificent 7 49%.
59% of IOO is its ten largest holdings.
What's inside SPGM: Tech 34%, Magnificent 7 19%.
22% of SPGM is its ten largest holdings.
How much do IOO and SPGM overlap? 37.1% by weight
As of October 28, 2026, IOO and SPGM overlap 37.1% by weight.
100% of IOO is already inside SPGM.
37% of SPGM is already inside IOO.
IOO holds 113 companies and SPGM holds 2,879; 100 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 IOO and SPGM? 7.4 and 6.4 out of 10
As of October 28, 2026, ETF Copilot scores IOO 7.4 out of 10 and SPGM 6.4 out of 10.
They differ most on Quality: IOO 9.8 and SPGM 7.0.
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 | IOO | SPGM |
|---|---|---|
| Growth | 8.4 | 6.6 |
| Value | 2.7 | 4.3 |
| Risk | 6.3 | 6.8 |
| Quality | 9.8 | 7.0 |
| Return | 8.8 | 6.8 |
SPGM is the cheaper of the two at 0.09% a year
As of October 28, 2026, IOO charges 0.40% a year, yields 0.81% and holds $9.3B in assets across 113 positions.
As of October 28, 2026, SPGM charges 0.09% a year, yields 1.78% and holds $1.8B in assets across 2879 positions.
| Measure | IOO | SPGM |
|---|---|---|
| Expense ratio | 0.40% | 0.09% |
| Dividend yield | 0.81% | 1.78% |
| Assets under management | $9.3B | $1.8B |
| Holdings | 113 | 2879 |
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, “IOO vs SPGM holdings overlap and scores”, as of October 28, 2026.
https://etf-copilot.com/compare/ioo-vs-spgm
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