Key Highlights

  • The fund tracks the Russell Microcap Index, covering 1,364 very small U.S. companies.
  • The largest holding, CareDx, weighs about 1% of the portfolio, reflecting the broad spread of positions.
  • The expense ratio is 0.60%, and net Assets stood at about US$1.19 billion.
  • The fund pays distributions quarterly and has a 30-day SEC Yield of 0.93%.

The iShares Micro-Cap ETF (NYSE:IWC) provides exposure to very small U.S. stocks by tracking the Russell Microcap Index. The fund closed at $171.99 on 6 November 2026, with a net asset value of $172.25. Its portfolio covers 1,364 companies, which makes it one of the broadest funds in the iShares domestic range.

Fund detail

Data (as stated on the fund page)

Exchange

NYSE Arca

Closing price (6 Nov 2026)

$171.99

Net asset value (6 Nov 2026)

$172.25

Net assets (6 Nov 2026)

$1,188.5 million

Expense ratio

0.60%

Number of holdings

1,364

Benchmark index

Russell Microcap Index

Fund inception

12 August 2005

Distribution frequency

Quarterly

30-day SEC yield (30 Sep 2026)

0.93%

Breadth and position sizes

CareDx holds 1.03% of market value, Viridian Therapeutics 0.73%, Xeris Biopharma 0.66% and Ouster 0.59%. The top ten positions together account for only a few percent of the portfolio, which means returns are spread across a large number of small companies.

Health care and information technology are among the sectors represented in the leading names, with financial and industrial companies also present throughout the index.

Costs and trading

The expense ratio is 0.60%, and the fund had 6.9 million shares outstanding on 6 November 2026. The 30-day median bid-ask spread was 0.25%. The price-to-earnings ratio stood at 12.69 as of 5 November 2026.

Index and distributions

The fund pays distributions quarterly. Its 30-day SEC yield as of 30 September 2026 was 0.93%. It has tracked the Russell Microcap index since its inception on 12 August 2005.

Final Word

IWC offers broad, low-weight exposure to very small U.S. companies across many sectors. Its breadth and wider trading spread are features that will be visible in future fund disclosures.