IUSG vs VOOG: holdings overlap, shared companies and scores

As of September 11, 2026, IUSG and VOOG overlap 93.5% by weight. iShares Core S&P U.S. Growth ETF (IUSG): S&P U.S. Growth index. Vanguard S&P 500 Growth ETF (VOOG): U.S. growth stocks.

Updated September 11, 2026

How much do IUSG and VOOG overlap?

As of September 11, 2026, IUSG and VOOG overlap 93.5% by weight.

95% of IUSG is already inside VOOG.

100% of VOOG is already inside IUSG.

IUSG holds 397 companies and VOOG holds 149; 146 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 VOOG?

As of September 11, 2026, ETF Copilot scores IUSG 6.0 out of 10 and VOOG 6.2 out of 10.

They differ most on Risk: IUSG 3.5 and VOOG 5.5.

The five factor scores behind them are set out below, 0–10 and higher is better, ranked against every US equity ETF we track.

IUSG vs VOOG — ETF Copilot factor scores, 0–10
Factor	IUSG	VOOG
Growth	3.7	2.8
Valuation	4.7	4.8
Risk	3.5	5.5
Quality	9.9	10.0
Return	8.3	8.4

IUSG is the cheaper of the two at 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, VOOG charges 0.07% a year, yields 0.55% and holds $26.1B in assets across 149 positions.

IUSG vs VOOG — cost, income and size
Measure	IUSG	VOOG
Expense ratio	0.04%	0.07%
Dividend yield	0.54%	0.55%
Assets under management	$33.5B	$26.1B
Holdings	397	149

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 VOOG 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.

VOOG trades at 27.7 times earnings, against its own median of 25.7, and is more expensive than 63% of its own 114 monthly readings since 2017.

What moved IUSG and VOOG 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.

VOOG 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 VOOG each hold?

What's inside IUSG: Tech 65%, Magnificent 7 49%.

57% of IUSG is its ten largest holdings.

What's inside VOOG: Tech 66%, Magnificent 7 50%.

59% of VOOG is its ten largest holdings.

Compare with similar funds

Cite this

ETF Copilot, “IUSG vs VOOG holdings overlap and scores”, as of September 11, 2026.
https://etf-copilot.com/compare/iusg-vs-voog