Cette liste est basée sur les listes de surveillance des personnes sur Stock Events qui suivent BIB. Il ne s'agit pas d'une recommandation d'investissement.
The fund invests in financial instruments that ProShare Advisors believes, in combination, should produce daily returns consistent with the fund's investment objective. The index is a modified capitalization weighted index that includes securities of Nasdaq listed companies that are classified as either biotechnology or pharmaceutical. The fund is non-diversified.