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Baker Bros. Advisors LP

Q3 2013 Holdings

Filed 2013-11-14 | 82 holdings | $722.2M | 13F-HR | View on SEC ↗ · Holdings Table ↗

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IssuerClassCUSIPValue ↓Shares% Portfolio
Acadia Pharmaceuticals Inc.(ACAD)COM004225108$548.2M19,955,12675.9%
Cerus(CERS)COM157085101$56.8M8,455,3067.9%
Biomarin Pharmaceuticals(BMRN)COM09061G101$56.5M783,3117.8%
Biocryst Pharmaceuticals Inc.(BCRX)COM09058V103$48.8M6,699,9796.8%
Agios Pharmaceuticals(AGIO)COM00847X104$5.6M200,0000.8%
Pharmacyclics Inc.COM716933106$1.2M9,010,2110.2%
Seattle Genetics Inc.COM812578102$846.9K19,322,9470.1%
Incyte Genomics Notes 4.75% 10/1/2015CONV BONDS45337CAH5$688.1K$157,758,0000.1%
Synageva Biopharma Corp.COM87159A103$651.2K10,273,1820.1%
Incyte Corp.(INCY)COM45337C102$565.0K14,810,5590.1%
Genomic Health Inc.(GHDX)COM37244C101$417.4K13,650,8350.1%
Salix 2.75% 5/15/15CONV BONDS795435AC0$335.3K$219,440,0000.0%
Viropharma Inc.COM928241108$219.6K5,592,2390.0%
Xoma Corp.COM98419J107$103.4K23,032,3720.0%
Auxilium 1.5% 7/15/2018CONV BONDS05334DAA5$90.2K$87,090,0000.0%
Biomarin Pharmaceuticals Notes 1.875% 4/23/2017CONV BONDS09061GAD3$82.0K$22,898,0000.0%
Gilead Sciences Inc.(GILD)COM375558103$78.3K1,245,8000.0%
Halozyme Therapeutics Inc.(HALO)COM40637H109$77.5K7,017,6080.0%
Repros TherapeuticsCOM76028H209$74.5K2,778,6540.0%
Aegerion PharmaceuticalsCOM00767E102$70.3K820,2750.0%
Gilead 1.625% 5/1/16CONV BONDS375558AP8$59.5K$21,500,0000.0%
Intermune Inc Notes 2.5% 12/15/17CONV BONDS45884XAF0$58.4K$41,000,0000.0%
Medivation 2.625% 4/1/17CONV BONDS58501NAA9$55.6K$39,500,0000.0%
Vanda Pharmaceuticals, Inc.(VNDA)COM921659108$52.5K4,791,1790.0%
Stemline Therapeutics Inc.COM85858C107$36.3K800,4000.0%
Derma SciencesCOM249827502$31.7K2,558,8570.0%
Questcor Pharmaceuticals, Inc.COM74835Y101$31.7K545,8460.0%
Mirati Therapeutics Inc.(MRTXEUR)COM60468T105$30.0K1,980,0740.0%
Intercept Pharmaceuticals, Inc.(ICPTUSD)COM45845P108$25.0K362,8470.0%
Ariad Pharmaceuticals Inc.COM04033A100$24.5K1,333,7030.0%
Medivation Inc.COM58501N101$23.9K398,3310.0%
Progenics Pharmaceuticals, Inc.COM743187106$21.1K4,200,0000.0%
Intermune Inc Notes 5% 3/1/15CONV BONDS45884XAD5$20.0K$16,860,0000.0%
Avanir PharmaceuticalsCOM05348P401$18.7K4,428,5910.0%
Clovis Oncology(CLVSEUR)COM189464100$18.3K301,7440.0%
Arrowhead Research Corp.COM042797209$17.9K3,140,0000.0%
Chelsea TherapeuticsCOM163428105$17.3K5,794,7530.0%
Insmed Inc.(INSM)COM457669307$14.8K945,8030.0%
Kythera BiopharmaceuticalsCOM501570105$12.1K265,0000.0%
Synergy PharmaceuticalsCOM871639308$11.9K2,608,2710.0%
Ambit Biosciences Corp.COM02318X100$11.6K747,9620.0%
TargaceptCOM87611R306$11.0K2,068,1860.0%
Infinity Pharmaceuticals Inc.(INFIQ)COM45665G303$10.2K586,9360.0%
Idera Pharmaceuticals Inc.COM45168K306$10.2K5,865,0000.0%
Array Biopharma Inc.(ARRYEUR)COM04269X105$9.3K1,500,0000.0%
Anacor PharmaceuticalsCOM32420101$9.3K876,4630.0%
Isis PharmaceuticalsCOM464330109$9.3K247,0360.0%
Threshold PharmaCOM885807206$8.6K1,852,3990.0%
Portola Pharmaceuticals, Inc.COM737010108$8.0K299,9110.0%
Prothena Corp. PLC(PRTA)COMG72800108$7.5K369,6500.0%
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