IOO vs SPGM: holdings overlap, shared companies and scores
As of September 11, 2026, IOO and SPGM overlap 36.6% 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 September 11, 2026
How much do IOO and SPGM overlap?
As of September 11, 2026, IOO and SPGM overlap 36.6% by weight.
97% of IOO is already inside SPGM.
37% of SPGM is already inside IOO.
IOO holds 112 companies and SPGM holds 2,736; 97 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?
As of September 11, 2026, ETF Copilot scores IOO 5.7 out of 10 and SPGM 5.7 out of 10.
They differ most on Risk: IOO 4.5 and SPGM 7.8.
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 | 1.8 | 4.6 |
| Valuation | 4.0 | 2.0 |
| Risk | 4.5 | 7.8 |
| Quality | 9.7 | 7.5 |
| Return | 8.8 | 6.8 |
SPGM is the cheaper of the two at 0.09% a year
As of September 11, 2026, IOO charges 0.40% a year, yields 1.18% and holds $9.2B in assets across 112 positions.
As of September 11, 2026, SPGM charges 0.09% a year, yields 1.68% and holds $1.8B in assets across 2736 positions.
| Measure | IOO | SPGM |
|---|---|---|
| Expense ratio | 0.40% | 0.09% |
| Dividend yield | 1.18% | 1.68% |
| Assets under management | $9.2B | $1.8B |
| Holdings | 112 | 2736 |
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.
Where IOO and SPGM trade against their own history
IOO trades at 24.1 times earnings, against its own median of 20.5, and is more expensive than 69% of its own 114 monthly readings since 2017.
SPGM trades at 21.1 times earnings, against its own median of 18.4, and is more expensive than 92% of its own 85 monthly readings since 2019.
What moved IOO and SPGM this week
IOO fell 1.1% in the week to September 11, 2026. The holdings that moved it most were Nvidia (−4.4%), Microsoft (−2.8%) and Novartis (−15.2%); Intel (+12.3%) pushed the other way.
SPGM fell 1.0% in the week to September 11, 2026. The holdings that moved it most were Nvidia (−4.4%), Microsoft (−2.8%) and Novartis (−15.2%); SK Hynix (+14.8%) pushed the other way.
What do IOO and SPGM each hold?
What's inside IOO: Tech 56%, Magnificent 7 48%.
59% of IOO is its ten largest holdings.
What's inside SPGM: Tech 35%, Magnificent 7 19%.
22% of SPGM is its ten largest holdings.
Compare with similar funds
Cite this
ETF Copilot, “IOO vs SPGM holdings overlap and scores”, as of September 11, 2026.
https://etf-copilot.com/compare/ioo-vs-spgm
Register free to unlock IOO vs SPGM prices and holdings on ETF Copilot.
Register free →