IUSG vs SPYG: holdings overlap, shared companies and scores
As of September 11, 2026, IUSG and SPYG overlap 95.1% by weight. iShares Core S&P U.S. Growth ETF (IUSG): S&P U.S. Growth index. State Street SPDR Portfolio S&P 500 Growth ETF (SPYG): S&P 500 growth index.
Updated September 11, 2026
How much do IUSG and SPYG overlap?
As of September 11, 2026, IUSG and SPYG overlap 95.1% by weight.
95% of IUSG is already inside SPYG.
100% of SPYG is already inside IUSG.
IUSG holds 397 companies and SPYG holds 148; 148 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 IUSG and SPYG?
As of September 11, 2026, ETF Copilot scores IUSG 6.0 out of 10 and SPYG 6.0 out of 10.
They differ most on Growth: IUSG 3.7 and SPYG 3.5.
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 | IUSG | SPYG |
|---|---|---|
| Growth | 3.7 | 3.5 |
| Valuation | 4.7 | 4.8 |
| Risk | 3.5 | 3.4 |
| Quality | 9.9 | 10.0 |
| Return | 8.3 | 8.4 |
IUSG and SPYG all charge 0.04% a year
As of September 11, 2026, IUSG charges 0.04% a year, yields 0.54% and holds $33.5B in assets across 397 positions.
As of September 11, 2026, SPYG charges 0.04% a year, yields 0.54% and holds $54.4B in assets across 148 positions.
| Measure | IUSG | SPYG |
|---|---|---|
| Expense ratio | 0.04% | 0.04% |
| Dividend yield | 0.54% | 0.54% |
| Assets under management | $33.5B | $54.4B |
| Holdings | 397 | 148 |
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 IUSG and SPYG trade against their own history
IUSG trades at 27.8 times earnings, against its own median of 25.8, and is more expensive than 68% of its own 114 monthly readings since 2017.
SPYG trades at 27.9 times earnings, against its own median of 26.2, and is more expensive than 66% of its own 113 monthly readings since 2017.
What moved IUSG and SPYG this week
IUSG fell 1.1% in the week to September 11, 2026. The holdings that moved it most were Nvidia (−4.4%), Microsoft (−2.8%) and Eli Lilly (−3.8%); Advanced Micro Devices (+13.1%) pushed the other way.
SPYG fell 1.0% in the week to September 11, 2026. The holdings that moved it most were Nvidia (−4.4%), Microsoft (−2.8%) and Eli Lilly (−3.8%); Advanced Micro Devices (+13.1%) pushed the other way.
What do IUSG and SPYG each hold?
What's inside IUSG: Tech 65%, Magnificent 7 49%.
57% of IUSG is its ten largest holdings.
What's inside SPYG: Tech 68%, Magnificent 7 51%.
60% of SPYG is its ten largest holdings.
Compare with similar funds
Cite this
ETF Copilot, “IUSG vs SPYG holdings overlap and scores”, as of September 11, 2026.
https://etf-copilot.com/compare/iusg-vs-spyg
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