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Chicago Board Options ExchangeEquity
At close
$16.3399
−$0.1651 · -1.00%
Sep 15, 3:57 PM ET
Regular session · ET · Market data may be delayed.
BUSM aims for long-term total return on capital, primarily through capital appreciation, by investing in ultra-small companies. It considers ultra-small companies as those with market capitalization of less than $1 billion. The fund selects smallest 10% of stocks from a universe of US-listed companies. The fund may may exclude companies believed likely to underperform. The fund may incorporate environmental, social, and governance (ESG) information, when available, in assessing securities. Although the actively managed fund seeks investments across various sectors, it may have significant positions in particular sectors.
Fund assets
122.11M USD
Expense ratio
0.73%
NAV
$16.49
Average volume
7.03K
Volume
1.62K
Day range
$16.28 – $16.3399
52-week range
$16.03 – $17.53
Previous close
$16.505
Price change
1 day
-1.00%
1 month
-6.04%
3 months
-0.24%
Year to date
-0.24%
1 year
-0.24%
3 years
-0.24%
5 years
-0.24%
Price changes exclude distributions, fees, taxes, and investor-specific cash flows.
Portfolio
Holdings data updated Sep 15, 2026.
Portfolio composition
Latest coverage
No ETF news is currently available.
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ETF data may be delayed, incomplete, or revised. Holdings and exposures change over time. Historical performance does not guarantee future results. This page is for informational and educational purposes only and does not constitute investment advice or a recommendation.
