XBI ETF Profile

Family:	State Street (SPDR)
Name:	SPDR S&P Biotech ETF

Inception Date:	31-Jan-2006
Termination Date:
Investment Objective:	The SPDR S&P Biotech ETF seeks to provide investment results that, before fees and expenses, correspond generally to the total return performance of the S&P Biotechnology Select Industry Index (the Index ). The S&P Biotechnology Select Industry represents the biotechnology segment of the S&P Total Market Index ( S&P TMI ). The S&P TMI is designed to track the broad U.S. equity market. The biotechnology segment of the S&P TMI comprises the Biotechnology sub-industry. The Index is modified equal weighted.

Prospectus

Top 10 Holdings
NATERA INC	NTRA	3.3805%
INCYTE CORP	INCY	2.9019%
GILEAD SCIENCES INC	GILD	2.8593%
UNITED THERAPEUTICS CORP	UTHR	2.7484%
NEUROCRINE BIOSCIENCES INC	NBIX	2.5934%
SAREPTA THERAPEUTICS INC	SRPT	2.5852%
INSMED INC	INSM	2.4428%
VERTEX PHARMACEUTICALS INC	VRTX	2.4165%
ALNYLAM PHARMACEUTICALS INC	ALNY	2.4019%
EXACT SCIENCES CORP	EXAS	2.3705%
	Top 10 Holdings Weight:	26.7%