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Baker Bros. Advisors LP

Q1 2015 Holdings

Filed 2015-05-15 | 130 holdings | $1.4B | 13F-HR | View on SEC ↗ · Holdings Table ↗

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IssuerClassCUSIPValue ↓Shares% Portfolio
Acadia Pharmaceuticals Inc.(ACAD)COM004225108$667.5M20,481,44247.4%
Biomarin Pharmaceuticals Inc.(BMRN)COM09061G101$523.5M4,200,45637.2%
Biocryst Pharmaceuticals Inc.(BCRX)COM09058V103$94.6M10,478,2046.7%
Cerus Corp.(CERS)COM157085101$56.5M13,553,2754.0%
Catalyst Pharmaceuticals, Inc.(CPRX)COM14888U101$32.8M7,565,4622.3%
Agios Pharmaceuticals Inc.(AGIO)COM00847X104$14.1M149,9541.0%
Aurinia Pharmaceuticals, Inc.(AUPH)COM05156V102$3.1M711,4990.2%
Pharmacyclics Inc.COM716933106$2.3M9,039,6520.2%
Ascendis Pharma SA(ASND)SPONSORED ADR04351P101$1.7M100,0000.1%
Cellectis SA(CLLS)SPONSORED ADR15117K103$1.7M50,0000.1%
Aldeyra Therapeutics, Inc.(ALDX)COM01438T106$1.4M142,0000.1%
Incyte Corp.(INCY)COM45337C102$1.4M14,845,5590.1%
Alnylam Pharmaceuticals, Inc.(ALNY)COM02043Q107$1.2M11,3400.1%
Synageva Biopharma Corp.COM87159A103$1.1M11,660,4320.1%
Seattle Genetics, Inc.COM812578102$1.0M28,876,7120.1%
Salix Pharmaceuticals Inc. 2.75% 5/15/15CONV BONDS795435AC0$801.2K$216,077,0000.1%
Incyte Corp. Notes 1.25% 11/15/2020 144ACONV BONDS45337CAL6$508.4K$274,500,0000.0%
Incyte Corp. Notes 0.375% 11/15/2018 144ACONV BONDS45337CAK8$471.9K$259,000,0000.0%
Incyte Corp. Notes 4.75% 10/1/2015 144ACONV BONDS45337CAJ1$421.7K$40,446,0000.0%
Genomic Health Inc.(GHDX)COM37244C101$417.2K13,656,9420.0%
Anacor Pharmaceuticals Inc.COM032420101$243.2K4,204,7020.0%
Biomarin Pharmaceuticals Inc. Notes 1.875% 4/23/2017CONV BONDS09061GAD3$137.0K$22,379,0000.0%
Invitae Corp.(NVTA1EUR)COM46185L103$109.9K6,554,9670.0%
Spark Therapeutics, Inc.COM84652J103$102.9K1,327,4510.0%
Dyax Corp.COM26746E103$100.9K6,021,4850.0%
Bellicum Pharmaceuticals, Inc.COM079481107$97.1K4,190,5940.0%
Gilead Sciences Inc. 1.625% 5/1/16CONV BONDS375558AP8$90.2K$20,944,0000.0%
Medivation Inc. 2.625% 4/1/17CONV BONDS58501NAA9$84.9K$33,889,0000.0%
Mirati Therapeutics Inc.(MRTXEUR)COM60468T105$82.2K2,805,0740.0%
Acorda Therapeutics Inc. Notes 1.75% 6/15/2021CONV BONDS00484MAA4$60.8K$59,583,0000.0%
Versartis Inc.COM92529L102$54.7K2,977,3960.0%
Xoma Corp.COM98419J107$53.5K14,708,6130.0%
Xenoport Inc.COM98411C100$46.3K6,508,6220.0%
Array Biopharma Inc.(ARRYEUR)COM04269X105$41.7K5,658,7550.0%
Salix Pharmaceuticals Inc. 1.5% 3/15/19CONV BONDS795435AE6$38.9K$14,668,0000.0%
Heron Therapeutics, Inc.(HRTX)COM427746102$37.9K2,607,7840.0%
DBV Technologies Inc.SPONSORED ADR23306J101$35.5K1,519,2290.0%
Insmed Inc.(INSM)COM457669307$32.9K1,583,4900.0%
Halozyme Therapeutics Inc.(HALO)COM40637H109$32.1K2,248,1520.0%
TG Therapeutics Inc.(TGTX)COM88322Q108$31.7K2,050,3130.0%
Derma Sciences Inc.COM249827502$29.3K3,457,8410.0%
Progenics Pharmaceuticals, Inc.COM743187106$26.0K4,350,8080.0%
Idera Pharmaceuticals Inc.COM45168K306$25.8K6,965,4320.0%
Alder Biopharmaceuticals Inc.(ALDR1EUR)COM014339105$25.4K879,5810.0%
Acorda Therapeutics, Inc.COM00484M106$24.6K738,9160.0%
Gilead Sciences Inc.(GILD)COM375558103$24.5K249,9950.0%
Sangamo Biosciences, Inc.(SGMO)COM800677106$22.0K1,404,5440.0%
Neurocrine Biosciences, Inc.(NBIX)COM64125C109$21.5K542,2360.0%
Biomarin Pharmaceuticals Inc. Notes 0.75% 10/15/2018CONV BONDS09061GAE1$18.0K$12,228,0000.0%
Kythera Biopharmaceuticals Inc.COM501570105$17.8K354,2650.0%
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