| 	1	 | 	Biogen Inc.	 | 	926.45	 | 	16.62	 | 
| 	2	 | 	Genzyme General	 | 	752.48	 | 	18.43	 | 
| 	3	 | 	Charles River Labs International Inc.	 | 	306.59	 | 	32.48	 | 
| 	4	 | 	Millennium Pharmactcls Inc.	 | 	196.27	 | 	6.85	 | 
| 	5	 | 	Inverness Medical Technolgy	 | 	170.34	 | 	35.33	 | 
| 	6	 | 	Sepracor Inc.	 | 	85.25	 | 	276.21	 | 
| 	7	 | 	Vertex Pharmaceuticals Inc.	 | 	78.13	 | 	54.52	 | 
| 	8	 | 	Bruker Daltonics Inc.	 | 	76.60	 | 	18.41	 | 
| 	9	 | 	Praecis Pharmaceuticals Inc.	 | 	61.19	 | 	-0.53	 | 
| 	10	 | 	Alkermes Inc.	 | 	51.95	 | 	140.84	 | 
    
        | Data compiled by Compustat. |