Is IYY a good investment?

iShares Dow Jones U.S. ETF (IYY) is a total US market ETF. As of September 11, 2026, ETF Copilot scores IYY 5.2 out of 10 — highest on Quality (8.3), lowest on Valuation (2.6). It trades at 25.0 times earnings, against its own median of 21.3. Its ten largest holdings are 36% of the fund.

Updated September 11, 2026

How is IYY rated? ETF Copilot scores iShares Dow Jones U.S. ETF (IYY) 5.2 out of 10

As of September 11, 2026, ETF Copilot scores iShares Dow Jones U.S. ETF (IYY) 5.2 out of 10 overall.

ETF Copilot scores (0–10 scale, higher is better):

Overall: 5.2 / 10
Growth: 3.1 / 10
Valuation: 2.6 / 10
Risk: 4.9 / 10
Quality: 8.3 / 10
Return: 7.3 / 10

What is IYY's expense ratio? 0.20% a year

As of September 11, 2026, IYY charges 0.20% a year, yields 1.11% and holds $3.1B in assets across 963 positions.

iShares Dow Jones U.S. ETF (IYY) — cost, income and size
Measure	IYY
Expense ratio	0.20%
Dividend yield	1.11%
Assets under management	$3.1B
Holdings	963

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.

What stands out in IYY's data

U.S. large- and mid-cap stocks — broad exposure to the whole market.

Earns more on its capital than the typical total-market fund — a sign of real earning power across its holdings.

Return on capital of 26.6% sits above the category median of 25.9% and well above its own five-year median of 21.2%. Holds 963 stocks at a 0.20% fee.

A core building block for a U.S.-anchored portfolio, covering most of the market in one ticker.

Why did IYY move this week? It fell 1.3% in the week to September 11, 2026 — Nvidia and Microsoft drove it

IYY fell 1.3% 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.

Is IYY expensive right now? It trades at 25.0 times earnings, against its own median of 21.3

As of September 11, 2026, IYY is more expensive than 84% of its own 114 monthly readings since 2017 — 96 of those months were cheaper than today.

Trailing twelve-month, computed by ETF Copilot from the fund's holdings rather than quoted from a data provider, and rebuilt nightly.

What's inside IYY? 45% Tech

What's inside IYY: Size (Large 89%, Mid 10%, Small 1%); Geography (International 3%, US 97%); Tech 44.8%; Magnificent 7 31.6%; AI 22.2%; Semiconductors 16.5%; Memory 14.2%.

What are IYY's top holdings? The ten largest are 36% of the fund

Nvidia, Apple, Microsoft, Amazon.com, Alphabet, Broadcom, Meta Platforms, Micron Technology and Tesla are IYY's largest holdings, in that order.

More concentrated than 65% of US Total Market ETFs.

Half of IYY's weight sits in its 28 largest positions, and once those weights are taken into account it behaves like 52 equally weighted holdings.

Cite this

ETF Copilot, “iShares Dow Jones U.S. ETF (IYY) scores and holdings analysis”, as of September 11, 2026.
https://etf-copilot.com/etf/iyy