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Baker Bros. Advisors LP

Q4 2013 Holdings

Filed 2014-02-14 | 95 holdings | $752.0M | 13F-HR | View on SEC ↗ · Holdings Table ↗

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IssuerClassCUSIPValue ↓Shares% Portfolio
Acadia Pharmaceuticals Inc.(ACAD)COM004225108$498.7M19,955,12666.3%
Biomarin Pharmaceuticals(BMRN)COM09061G101$136.6M1,941,30418.2%
Cerus(CERS)COM157085101$54.5M8,455,3067.3%
Biocryst Pharmaceuticals Inc.(BCRX)COM09058V103$50.9M6,699,9796.8%
Agios Pharmaceuticals(AGIO)COM00847X104$4.9M205,7500.7%
Pharmacyclics Inc.COM716933106$922.3K8,719,2180.1%
Seattle Genetics Inc.COM812578102$827.2K20,735,9260.1%
Incyte Corp.(INCY)COM45337C102$749.9K14,810,5590.1%
Synageva Biopharma Corp.COM87159A103$664.9K10,273,1820.1%
Salix 2.75% 5/15/15CONV BONDS795435AC0$431.7K$219,440,0000.1%
Genomic Health Inc.(GHDX)COM37244C101$399.6K13,650,8350.1%
Incyte Genomics Notes 1.25% 11/15/2020 144ACONV BONDS45337CAL6$333.0K$274,500,0000.0%
Incyte Genomics Notes 0.375% 11/15/2018 144ACONV BONDS45337CAK8$310.0K$259,000,0000.0%
Incyte Genomics Notes 4.75% 10/1/2015 144ACONV BONDS45337CAH5$233.0K$40,446,0000.0%
Xoma Corp.COM98419J107$155.0K23,032,3720.0%
Auxilium 1.5% 7/15/2018CONV BONDS05334DAA5$96.3K$87,090,0000.0%
Halozyme Therapeutics Inc.(HALO)COM40637H109$94.4K6,297,0260.0%
Biomarin Pharmaceuticals Notes 1.875% 4/23/2017CONV BONDS09061GAD3$79.4K$22,898,0000.0%
Gilead 1.625% 5/1/16CONV BONDS375558AP8$70.9K$21,500,0000.0%
Vanda Pharmaceuticals, Inc.(VNDA)COM921659108$59.5K4,791,1790.0%
Medivation 2.625% 4/1/17CONV BONDS58501NAA9$57.8K$39,500,0000.0%
Intermune Inc Notes 2.5% 12/15/17CONV BONDS45884XAF0$56.2K$41,000,0000.0%
Repros TherapeuticsCOM76028H209$50.8K2,778,6540.0%
Questcor Pharmaceuticals, Inc.COM74835Y101$42.2K775,8640.0%
Anacor PharmaceuticalsCOM032420101$42.0K2,500,0000.0%
Gilead Sciences Inc.(GILD)COM375558103$41.8K556,1080.0%
Mirati Therapeutics Inc.(MRTXEUR)COM60468T105$39.6K2,380,0740.0%
Aegerion PharmaceuticalsCOM00767E102$35.5K500,0000.0%
Arrowhead Research Corp.COM042797209$33.5K3,090,0000.0%
Clovis Oncology(CLVSEUR)COM189464100$32.0K530,7380.0%
Derma SciencesCOM249827502$27.7K2,558,8570.0%
Chelsea TherapeuticsCOM163428105$25.7K5,794,7530.0%
Medivation Inc.COM58501N101$25.4K398,3310.0%
Intercept Pharmaceuticals, Inc.(ICPTUSD)COM45845P108$24.8K362,8470.0%
Progenics Pharmaceuticals, Inc.COM743187106$22.4K4,200,0000.0%
Salix 1.5% 3/15/19CONV BONDS795435AE6$22.4K$15,000,0000.0%
Intermune Inc Notes 5% 3/1/15CONV BONDS45884XAD5$19.5K$16,860,0000.0%
Avanir PharmaceuticalsCOM Class A05348P401$18.2K5,428,5910.0%
Dyax Corp.COM26746E103$15.3K2,026,5370.0%
Idera Pharmaceuticals Inc.COM45168K306$14.7K3,171,7650.0%
Synergy PharmaceuticalsCOM871639308$14.7K2,608,2710.0%
Insmed Inc.(INSM)COM457669307$13.5K796,3780.0%
Biomarin Pharmaceuticals Notes 0.75% 10/15/2018CONV BONDS09061GAE1$13.3K$12,500,0000.0%
Stemline Therapeutics Inc.COM85858C107$13.2K675,0420.0%
Kythera BiopharmaceuticalsCOM501570105$11.7K313,1910.0%
Isis PharmaceuticalsCOM464330109$9.8K247,0360.0%
Zogenix, Inc.COM98978L105$9.5K2,751,0000.0%
Prothena Corp. PLC(PRTA)SHSG72800108$8.9K336,9180.0%
Infinity Pharmaceuticals Inc.COM45665303$8.9K643,2560.0%
Threshold PharmaCOM885807206$8.7K1,852,3990.0%
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