BIB Holdings: ProShares Ultra Nasdaq Biotechnology Top Holdings

The ProShares Ultra Nasdaq Biotechnology (BIB) reports 8 holdings. Its biggest position is ProShares GENIUS Money Market ETF (IQMM) at 17.56% of assets. The top 10 holdings account for 39.0% of the portfolio, a moderately concentrated portfolio.

8 positions carry a weight of 1% or more. Based on the weights listed, BIB behaves like an equal-weighted fund of about 26 stocks (the inverse Herfindahl index), a measure of how diversified it really is. Holdings and weights change over time as the fund rebalances and as share prices move.

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