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13F-HR filed by BAKER BROS. ADVISORS LP

BAKER BROS. ADVISORS LP filed this 13F-HR for the quarter ended 2015-03-31, filed 2015-05-15, with 130 holding rows worth $12,022,854,000.

Accession
0001144204-15-031569
Filed
2015-05-15
Accepted by EDGAR
acceptance time not in the bulk data set
Ingested
Source
SEC quarterly data set

Original filing

13F report for Q1 2015

A holdings report, 130 entries on the cover page, a total value of $12,022,854,000 stated on the cover page (in dollars after the unit check, H1), rows summing to $12,022,854,000 with VALUE read as thousands by filing date, 13F file number 028-10519. The quarter's positions are built on this report. The resolved quarter.

The information table after summing rows of one CUSIP and put or call (H4), with the CUSIP and issuer name as filed. Values in dollars after the unit check (method).

Issuer as filedCUSIPClassAmountValueValue read asType
PHARMACYCLICS INC716933106COM9,039,652$2,313,699,000thousands by filing date
INCYTE CORP COM45337C102Stock14,845,559$1,360,744,000thousands by filing date
SYNAGEVA BIOPHARMA CORP87159A103COM11,660,432$1,137,242,000thousands by filing date
SEATTLE GENETICS INC812578102COM28,876,712$1,020,792,000thousands by filing date
SALIX PHARMACEUTICALS INC SR NT CONV DTD 6/3/2010 2.75% 5/15/2015795435AC0CONVERTIBLE216,077,000$801,152,000thousands by filing dateprincipal
ACADIA PHARMACEUTICALS INC004225108COM20,481,442$667,490,000thousands by filing date
BIOMARIN PHARMACEUTICAL INC09061G101COM4,200,456$523,461,000thousands by filing date
Incyte Corporation45337CAL6NOTE 1.25% 11/15/2020274,500,000$508,427,000thousands by filing dateprincipal
Incyte Corporation45337CAK8NOTE 0.375% 11/15/2018259,000,000$471,944,000thousands by filing dateprincipal
INCYTE CORP45337CAJ1NOTE 4.750%10/040,446,000$421,673,000thousands by filing dateprincipal
GENOMIC HEALTH, INC.37244C101COM13,656,942$417,220,000thousands by filing date
ANACOR PHARMACEUTICALS INC032420101COM4,204,702$243,242,000thousands by filing date
BIOMARIN PHARMACEUTICAL INC09061GAD3CNV22,379,000$136,987,000thousands by filing dateprincipal
INVITAE CORP46185L103COM6,554,967$109,861,000thousands by filing date
SPARK THERAPEUTICS INC84652J103COM1,327,451$102,878,000thousands by filing date
DYAX CORP26746E103COM6,021,485$100,890,000thousands by filing date
BELLICUM PHARMACEUTICALS INC079481107COM4,190,594$97,096,000thousands by filing date
BIOCRYST PHARMACEUTICALS INC COM09058V103Stock10,478,204$94,618,000thousands by filing date
GILEAD SCIENCES INC375558AP8CORPORATE OBLIG20,944,000$90,193,000thousands by filing dateprincipal
MEDIVATION INC58501NAA9NOTE33,889,000$84,927,000thousands by filing dateprincipal
MIRATI THERAPEUTICS INC60468T105COM2,805,074$82,245,000thousands by filing date
ACORDA THERAPEUTICS INC00484MAA4NOTE 1.750% 6/159,583,000$60,762,000thousands by filing dateprincipal
CERUS CORP157085101COM13,553,275$56,517,000thousands by filing date
VERSARTIS INC92529L102COM2,977,396$54,694,000thousands by filing date
XOMA CORP DEL98419J107COM14,708,613$53,539,000thousands by filing date
XENOPORT INC98411C100COM6,508,622$46,341,000thousands by filing date
ARRAY BIOPHARMA INC COM04269X105Stock5,658,755$41,705,000thousands by filing date
SALIX PHARMACEUTICAL 1.500795435AE6NOTE 1.500% 3/14,668,000$38,948,000thousands by filing dateprincipal
HERON THERAPEUTICS INC427746102COM2,607,784$37,943,000thousands by filing date
DBV TECHNOLOGIES S A23306J101ADR1,519,229$35,489,000thousands by filing date
INSMED INC COM PAR $.01457669307Stock1,583,490$32,937,000thousands by filing date
CATALYST PHARMACEUTICALS INC14888U101COM7,565,462$32,758,000thousands by filing date
HALOZYME THERAPEUTICS INC COM40637H109Stock2,248,152$32,104,000thousands by filing date
TG THERAPEUTICS INC COM88322Q108Stock2,050,313$31,739,000thousands by filing date
DERMA SCIENCES INC249827502COM PAR $.013,457,841$29,288,000thousands by filing date
PROGENICS PHARMACEUTICALS IN743187106COM4,350,808$26,018,000thousands by filing date
IDERA PHARMACEUTICALS INC45168K306COM6,965,432$25,842,000thousands by filing date
ALDER BIOPHARMACEUTICALS INC014339105COM879,581$25,385,000thousands by filing date
ACORDA THERAPEUTICS INC00484M106COM738,916$24,591,000thousands by filing date
Gilead Sciences,Inc.375558103COM249,995$24,532,000thousands by filing date
SANGAMO THERAPEUTICS INC800677106COM1,404,544$22,023,000thousands by filing date
NEUROCRINE BIOSCIENCES INC64125C109COM542,236$21,532,000thousands by filing date
BIOMARIN PHARMACEUTICAL INC09061GAE1NOTE 0.750%10/112,228,000$17,970,000thousands by filing dateprincipal
KYTHERA BIOPHARMACEUTICALS I501570105COM354,265$17,766,000thousands by filing date
BLUEBIRD BIO INC09609G100COM146,581$17,703,000thousands by filing date
REPROS THERAPEUTICS INC76028H209COM2,000,000$17,180,000thousands by filing date
FOAMIX PHARMACEUTICALS LTDM46135105SHS1,821,967$16,853,000thousands by filing date
VANDA PHARMACEUTICALS INC921659108COM1,750,230$16,277,000thousands by filing date
NOVAVAX INC670002104COMMON STOCK1,945,687$16,091,000thousands by filing date
Lion Biotechnologies53619R102COM1,325,000$16,046,000thousands by filing date
CLOVIS ONCOLOGY INC189464100COM202,630$15,041,000thousands by filing date
AGIOS PHARMACEUTICALS INC00847X104COM149,954$14,141,000thousands by filing date
OMEROS CORP682143102COM637,446$14,043,000thousands by filing date
XENCOR INC98401F105COMMON STOCK872,072$13,360,000thousands by filing date
THRESHOLD PHARMACEUTICAL INC885807206COM NEW2,925,519$11,878,000thousands by filing date
Alcobra LtdM2239P109SHS1,789,871$10,077,000thousands by filing date
AQUINOX PHARMACEUTICALS INC03842B101COM1,187,666$9,763,000thousands by filing date
MACROGENICS INC556099109COM305,043$9,569,000thousands by filing date
AERIE PHARMACEUTICALS INC00771V108COM299,356$9,382,000thousands by filing date
ULTRAGENYX PHARMACEUTICAL IN90400D108COM148,894$9,245,000thousands by filing date
IMMUNOGEN INC45253H101COMMON STOCK999,496$8,945,000thousands by filing date
OSIRIS THERAPEUTICS INC NEW68827R108COM499,193$8,776,000thousands by filing date
PROQR THERAPEUTICS NVN71542109SHS EURO400,000$8,752,000thousands by filing date
ARROWHEAD RESEARCH CORP042797209COM1,290,187$8,728,000thousands by filing date
SUNESIS PHARMACEUTICALS INC867328601COM NEW3,200,000$7,840,000thousands by filing date
LA JOLLA PHARMACEUTICAL CO503459604COM PAR $.0001 2412,008$7,540,000thousands by filing date
CONCERT PHARMACEUTICALS INC206022105COM495,908$7,511,000thousands by filing date
CELLADON CORP15117E107Cmn366,806$6,947,000thousands by filing date
KARYOPHARM THERAPEUTICS INC48576U106COM216,990$6,642,000thousands by filing date
JUNO THERAPEUTICS INC48205A109COM100,000$6,066,000thousands by filing date
Foundation Medicine Inc350465100COM124,255$5,978,000thousands by filing date
IGNYTA INC451731103COM571,000$5,681,000thousands by filing date
LIGAND PHARMACEUTICALS INC53220K504COM NEW73,386$5,659,000thousands by filing date
Transition Therapeutics, Inc.893716209COM769,230$5,254,000thousands by filing date
AMARIN CORP PLC023111206SPONS ADR NEW2,205,710$5,161,000thousands by filing date
STEMLINE THERAPEUTICS INC85858C107COM333,497$4,826,000thousands by filing date
CYTRX CORP232828509COM PAR $.0011,319,989$4,448,000thousands by filing date
EPIZYME INC29428V104COM232,481$4,366,000thousands by filing date
CHIMERIX INC COM16934W106Stock115,216$4,342,000thousands by filing date
INFINITY PHARMACEUTICALS INC45665G303COM305,037$4,264,000thousands by filing date
DISCOVERY LABORATORIES INC N254668403COM NEW3,569,643$4,248,000thousands by filing date
RECEPTOS, INC.756207106COMMON STOCK23,900$3,941,000thousands by filing date
SAGE THERAPEUTICS INC78667J108COM75,000$3,767,000thousands by filing date
ARRAY BIOPHARMA INC04269XAA3NOTE 3.000% 6/03,000,000$3,759,000thousands by filing dateprincipal
ZAFGEN INC98885E103COM94,745$3,753,000thousands by filing date
ISIS PHARMACEUTICALS INC464330109COM57,140$3,638,000thousands by filing date
LIPOCINE INC NEW53630X104CMN489,175$3,375,000thousands by filing date
NEURODERM LTDM74231107ORD SHS250,000$3,355,000thousands by filing date
ASSEMBLY BIOSCIENCES INC045396108COM250,000$3,310,000thousands by filing date
BELLEROPHON THERAPEUTICS INC078771102COM350,000$3,213,000thousands by filing date
TEKMIRA PHARMACEUTICALS COR87911B209COM NEW180,582$3,153,000thousands by filing date
ZOGENIX INC98978L105COM2,298,466$3,149,000thousands by filing date
AURINIA PHARMACEUTICALS INC COM05156V102Stock711,499$3,118,000thousands by filing date
IRONWOOD PHARMACEUTICALS INC46333X108COMMON STOCK169,163$2,707,000thousands by filing date
BIODELIVERY SCIENCES INTL IN09060J106COM255,866$2,686,000thousands by filing date
PROTALIX BIOTHERAPEUTICS INC74365AAB7NOTE 4.500% 9/13,500,000$2,612,000thousands by filing dateprincipal
AFFIMED N VN01045108COM400,000$2,520,000thousands by filing date
AUSPEX PHARMACE05211J102Common Stock25,000$2,507,000thousands by filing date
INTRA-CELLULAR THERAPIES INC46116X101COMMON STOCK104,166$2,487,000thousands by filing date
ENANTA PHARMACEUTICALS INC29251M106COM75,357$2,307,000thousands by filing date
MAST THERAPEUTICS INC576314108COM4,707,464$2,283,000thousands by filing date
VITAE PHARMACEUTICALS INC92847N103COM187,597$2,197,000thousands by filing date
ACHILLION PHARMACEUTICALS IN00448Q201COM214,237$2,112,000thousands by filing date
PALATIN TECHNOLOGIES INC696077403COM PAR $ .012,050,000$2,091,000thousands by filing date
ZIOPHARM ONCOLOGY INC98973P101COM189,259$2,038,000thousands by filing date
PROTEON THERAPEUTICS INC74371L109COM172,917$2,011,000thousands by filing date
BIOTA PHARMACEUTIALS INC090694100COM863,184$1,985,000thousands by filing date
MARINUS PHARMACEUTICALS INC56854Q101COM200,000$1,798,000thousands by filing date
ASCENDIS PHARMA A/S DKK 1.0 AD04351P101SPONSORED ADR100,000$1,735,000thousands by filing date
CELLECTIS ADS15117K103COM50,000$1,729,000thousands by filing date
OPHTHOTECH CORP683745103COM35,649$1,659,000thousands by filing date
MEDIWOUND LTDM68830104ORD SHS225,000$1,629,000thousands by filing date
DERMIRA INC24983L104COM100,000$1,535,000thousands by filing date
ORASURE TECHNOLOGIES INC68554V108COM229,397$1,500,000thousands by filing date
ALDEYRA THERAPEUTICS INC01438T106COM142,000$1,446,000thousands by filing date
RIGEL PHARMACEUTICALS INC766559603COMMON STOCK357,187$1,275,000thousands by filing date
LOXO ONCOLOGY INC548862101COM100,000$1,245,000thousands by filing date
ALNYLAM PHARMACEUTICALS INC COM02043Q107Stock11,340$1,184,000thousands by filing date
ACCELERON PHARMA INC00434H108COM28,765$1,095,000thousands by filing date
ACHAOGEN INC004449104COM100,000$976,000thousands by filing date
Synta Pharmaceuticals Corp.87162T206COM489,053$949,000thousands by filing date
OHR PHARMACEUTICAL INC67778H200COMMON STOCK370,370$941,000thousands by filing date
UNIQURE NVN90064101SHS30,000$730,000thousands by filing date
FIVE PRIME THERAPEUTICS INC.33830X104Common Stock19,247$440,000thousands by filing date
AEGERION PHARMACEUTICALS INC00767E102COM14,300$374,000thousands by filing date
CHEMOCENTRYX INC16383L106COM49,064$370,000thousands by filing date
APTOSE BIOSCIENCES INC COM03835T200Stock33,397$181,000thousands by filing date
BIO GREEN MED SOL 6pcnt PFDCONV23254L207COMMON STOCK13,253$86,000thousands by filing date
BIOTIME INC09066L162W EXP 10/01/20120,084$40,000thousands by filing date
BIODEL INC09064M204COM30,179$36,000thousands by filing date

Amendment chain

FilingRoleFiledAcceptedIngested
13F-HR 0001144204-15-031569this filing2015-05-15acceptance time not in the bulk data set