Exelixis Inc.

$122,657

$17,183

$64,581

$27,785

$3,714

$3,960

$4,666

$769

GENZYME CORPORATION

$59,674

$118

$0

$43,945

$8,664

$0

$3,855

$3,091

PFIZER INC.

$33,879

$1,946

$5,003

$6,069

$4,477

$4,330

$8,473

$3,581

E.R. Squibb & Sons, L.L.C.

$15,721

$0

$1,542

$3,490

$0

$6,890

$1,173

$2,625

Merck Sharp & Dohme Corporation

$14,657

$1,033

$0

$1,298

$9,500

$2,826

$0

$0