The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F INFORMATION TABLE

OMB APPROVAL
OMB Number: 3235-0006
Estimated average burden
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COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8
VALUE SHRS OR SH/ PUT/ INVESTMENT OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
ABBOTT LABS COM 002824100 9,499 211,000 SH   DFND 1 53,000 0 158,000
ABBVIE INC COM 00287Y109 348,867 5,331,100 SH   DFND 1 2,316,100 0 3,015,000
ACHILLION PHARMACEUTICALS IN COM 00448Q201 1,936 158,000 SH   DFND 1 0 0 158,000
ACTAVIS PLC SHS G0083B108 383,078 1,488,200 SH   DFND 1 645,300 0 842,900
AEGERION PHARMACEUTICALS INC COM 00767E102 8,376 400,000 SH Call DFND 1 158,700 0 241,300
AETNA INC NEW COM 00817Y108 8,350 94,000 SH   DFND 1 24,000 0 70,000
AFFIMED N V COM N01045108 36,051 5,814,630 SH   SOLE   5,814,630 0 0
AFFYMETRIX INC COM 00826T108 64,826 6,568,000 SH   DFND 1 1,560,000 0 5,008,000
AGENUS INC COM NEW 00847G705 9,693 2,441,500 SH   DFND 1 1,090,300 0 1,351,200
AGILENT TECHNOLOGIES INC COM 00846U101 165,848 4,051,000 SH   DFND 1 1,719,300 0 2,331,700
ALEXION PHARMACEUTICALS INC COM 015351109 61,430 332,000 SH   DFND 1 34,000 0 298,000
ALIMERA SCIENCES INC COM 016259103 8,310 1,500,000 SH   DFND 1 670,000 0 830,000
ALLERGAN INC COM 018490102 157,593 741,300 SH   DFND 1 322,600 0 418,700
ALLERGAN INC COM 018490102 53,148 250,000 SH Call DFND 1 99,200 0 150,800
AMAG PHARMACEUTICALS INC COM 00163U106 19,989 469,000 SH   DFND 1 0 0 469,000
AMARIN CORP PLC SPONS ADR NEW 023111206 392 400,000 SH   SOLE   400,000 0 0
AMGEN INC COM 031162100 431,357 2,708,000 SH   DFND 1 992,000 0 1,716,000
ANTHEM INC COM 036752103 17,443 138,800 SH   DFND 1 35,000 0 103,800
ARQULE INC COM 04269E107 6,956 5,702,000 SH   DFND 1 1,623,100 0 4,078,900
ARRAY BIOPHARMA INC COM 04269X105 34,282 7,247,700 SH   DFND 1 2,633,400 0 4,614,300
AUSPEX PHARMACEUTICALS INC COM 05211J102 4,912 93,600 SH   DFND 1 0 0 93,600
BACTERIN INTL HLDGS INC COM NEW 05644R200 1,441 475,439 SH   SOLE   475,439 0 0
BIODEL INC COM NEW 09064M204 279 209,700 SH   SOLE   209,700 0 0
BIOGEN IDEC INC COM 09062X103 507,376 1,494,700 SH   DFND 1 542,600 0 952,100
BIOLINERX LTD SPONSORED ADR 09071M106 1,839 1,135,000 SH   SOLE   1,135,000 0 0
BIOMARIN PHARMACEUTICAL INC NOTE 0.750%10/1 09061GAE1 593 500,000 PRN   DFND 1 215,000 0 285,000
BIOMARIN PHARMACEUTICAL INC NOTE 1.500%10/1 09061GAF8 611 500,000 PRN   DFND 1 215,000 0 285,000
BOSTON SCIENTIFIC CORP COM 101137107 4,240 320,000 SH   DFND 1 83,000 0 237,000
BRISTOL MYERS SQUIBB CO COM 110122108 453,864 7,688,700 SH   DFND 1 3,294,400 0 4,394,300
BRISTOL MYERS SQUIBB CO COM 110122108 14,758 250,000 SH Call DFND 1 99,200 0 150,800
CARDINAL HEALTH INC COM 14149Y108 26,237 325,000 SH   DFND 1 82,000 0 243,000
CELGENE CORP COM 151020104 409,139 3,657,600 SH   DFND 1 1,248,700 0 2,408,900
CELLDEX THERAPEUTICS INC NEW COM 15117B103 37,635 2,062,200 SH   DFND 1 885,200 0 1,177,000
CEMPRA INC COM 15130J109 1,176 50,000 SH   DFND 1 0 0 50,000
CERUS CORP COM 157085101 43,898 7,035,000 SH   DFND 1 2,635,000 0 4,400,000
CLOVIS ONCOLOGY INC COM 189464100 39,990 714,100 SH   DFND 1 281,200 0 432,900
CONNECTURE INC COM 20786J106 2,724 302,300 SH   DFND 1 138,200 0 164,100
COOPER COS INC COM NEW 216648402 197,847 1,220,600 SH   DFND 1 559,200 0 661,400
COVIDIEN PLC SHS G2554F113 25,570 250,000 SH Call DFND 1 86,700 0 163,300
COVIDIEN PLC SHS G2554F113 21,602 211,200 SH   DFND 1 52,000 0 159,200
CURIS INC COM 231269101 2,925 1,950,100 SH   DFND 1 0 0 1,950,100
DAVITA HEALTHCARE PARTNERS I COM 23918K108 5,756 76,000 SH   DFND 1 19,000 0 57,000
DERMA SCIENCES INC COM PAR $.01 249827502 2,793 300,000 SH   DFND 1 134,300 0 165,700
ENDOLOGIX INC NOTE 2.250%12/1 29266SAA4 980 1,000,000 PRN   DFND 1 0 0 1,000,000
EXACT SCIENCES CORP COM 30063P105 48,788 1,778,000 SH   DFND 1 824,000 0 954,000
EXPRESS SCRIPTS HLDG CO COM 30219G108 195,334 2,307,000 SH   DFND 1 961,000 0 1,346,000
FATE THERAPEUTICS INC COM 31189P102 3,485 692,900 SH   DFND 1 296,100 0 396,800
FLUIDIGM CORP DEL COM 34385P108 72,054 2,136,200 SH   DFND 1 878,000 0 1,258,200
FLUIDIGM CORP DEL NOTE 2.750% 2/0 34385PAA6 19,851 21,935,000 PRN   DFND 1 5,330,000 0 16,605,000
FORWARD PHARMA A/S SPONSORED ADR 34986J105 20,009 960,600 SH   DFND 1 389,100 0 571,500
GILEAD SCIENCES INC COM 375558103 400,558 4,249,500 SH   DFND 1 1,519,200 0 2,730,300
HCA HOLDINGS INC COM 40412C101 316,164 4,308,000 SH   DFND 1 1,871,000 0 2,437,000
HEALTH NET INC COM 42222G108 198,671 3,711,400 SH   DFND 1 1,576,000 0 2,135,400
HORIZON PHARMA PLC SHS G4617B105 13,857 1,075,000 SH   DFND 1 0 0 1,075,000
ILLUMINA INC COM 452327109 272,551 1,476,600 SH   DFND 1 582,500 0 894,100
IMPAX LABORATORIES INC COM 45256B101 211,559 6,678,000 SH   DFND 1 2,592,300 0 4,085,700
IMPAX LABORATORIES INC COM 45256B101 4,752 150,000 SH Call DFND 1 59,500 0 90,500
INCYTE CORP COM 45337C102 230,245 3,149,300 SH   DFND 1 1,463,900 0 1,685,400
INCYTE CORP NOTE 4.750%10/0 45337CAJ1 35,309 4,242,000 PRN   DFND 1 0 0 4,242,000
INCYTE CORP NOTE 0.375%11/1 45337CAM4 6,425 4,250,000 PRN   DFND 1 1,816,000 0 2,434,000
INCYTE CORP NOTE 1.250%11/1 45337CAN2 6,558 4,250,000 PRN   DFND 1 1,816,000 0 2,434,000
INFINITY PHARMACEUTICALS INC COM 45665G303 80,006 4,736,900 SH   DFND 1 1,766,600 0 2,970,300
INSPIREMD INC COM NEW 45779A309 2,449 3,150,000 SH   SOLE   3,150,000 0 0
INSULET CORP COM 45784P101 91,982 1,997,000 SH   DFND 1 948,800 0 1,048,200
INSYS THERAPEUTICS INC NEW COM NEW 45824V209 52,413 1,243,200 SH   DFND 1 449,500 0 793,700
INTERCEPT PHARMACEUTICALS IN COM 45845P108 231,660 1,485,000 SH   SOLE   1,485,000 0 0
INTUITIVE SURGICAL INC COM NEW 46120E602 232,734 440,000 SH   DFND 1 212,500 0 227,500
IRONWOOD PHARMACEUTICALS INC COM CL A 46333X108 184,025 12,012,100 SH   DFND 1 4,781,300 0 7,230,800
JAZZ PHARMACEUTICALS PLC SHS USD G50871105 18,829 115,000 SH   DFND 1 0 0 115,000
JOHNSON & JOHNSON COM 478160104 51,762 495,000 SH   DFND 1 123,000 0 372,000
KYTHERA BIOPHARMACEUTICALS I COM 501570105 25,070 722,900 SH   DFND 1 285,800 0 437,100
LOXO ONCOLOGY INC COM 548862101 25,566 2,175,857 SH   SOLE   2,175,857 0 0
MAGELLAN HEALTH INC COM NEW 559079207 72,516 1,208,000 SH   DFND 1 447,000 0 761,000
MALLINCKRODT PUB LTD CO SHS G5785G107 56,150 567,001 SH   DFND 1 227,001 0 340,000
MCKESSON CORP COM 58155Q103 154,024 742,000 SH   DFND 1 299,000 0 443,000
MEDIVATION INC COM 58501N101 226,005 2,268,900 SH   DFND 1 878,000 0 1,390,900
MEDTRONIC INC COM 585055106 35,652 493,800 SH   DFND 1 121,000 0 372,800
MEI PHARMA INC COM NEW 55279B202 10,353 2,424,500 SH   DFND 1 1,087,800 0 1,336,700
MERCK & CO INC NEW COM 58933Y105 165,560 2,915,300 SH   DFND 1 1,242,000 0 1,673,300
MERGE HEALTHCARE INC COM 589499102 16,477 4,628,500 SH   DFND 1 1,621,000 0 3,007,500
MIMEDX GROUP INC COM 602496101 9,648 836,800 SH   DFND 1 315,000 0 521,800
MIRATI THERAPEUTICS INC COM 60468T105 21,613 1,167,000 SH   SOLE   1,167,000 0 0
MOLINA HEALTHCARE INC COM 60855R100 191,739 3,581,900 SH   DFND 1 1,552,000 0 2,029,900
NEUROCRINE BIOSCIENCES INC COM 64125C109 133,339 5,968,600 SH   DFND 1 2,255,700 0 3,712,900
NEWLINK GENETICS CORP COM 651511107 3,975 100,000 SH Call DFND 1 35,200 0 64,800
NPS PHARMACEUTICALS INC COM 62936P103 105,697 2,954,900 SH   DFND 1 1,179,200 0 1,775,700
NUVASIVE INC COM 670704105 50,556 1,072,000 SH   DFND 1 589,000 0 483,000
OPHTHOTECH CORP COM 683745103 38,669 861,800 SH   DFND 1 348,300 0 513,500
ORASURE TECHNOLOGIES INC COM 68554V108 20,062 1,978,500 SH   DFND 1 728,500 0 1,250,000
OREXIGEN THERAPEUTICS INC NOTE 2.750%12/0 686164AB0 7,538 7,500,000 PRN   DFND 1 2,210,000 0 5,290,000
OTONOMY INC COM 68906L105 75,206 2,256,398 SH   SOLE   2,256,398 0 0
PACIRA PHARMACEUTICALS INC COM 695127100 15,604 176,000 SH   DFND 1 0 0 176,000
PERNIX THERAPEUTICS HLDGS IN COM 71426V108 10,075 1,073,000 SH   DFND 1 485,000 0 588,000
PERRIGO CO PLC SHS G97822103 208,582 1,247,800 SH   DFND 1 543,000 0 704,800
PFIZER INC COM 717081103 85,943 2,759,000 SH   DFND 1 541,000 0 2,218,000
PORTOLA PHARMACEUTICALS INC COM 737010108 24,092 850,700 SH   DFND 1 475,700 0 375,000
PROQR THRAPEUTICS N V SHS EURO N71542109 39,643 1,829,400 SH   DFND 1 833,600 0 995,800
PUMA BIOTECHNOLOGY INC COM 74587V107 47,488 250,900 SH   DFND 1 99,800 0 151,100
RECEPTOS INC COM 756207106 19,124 156,100 SH   DFND 1 0 0 156,100
REDHILL BIOPHARMA LTD SPONSORED ADS 757468103 8,075 605,800 SH   SOLE   605,800 0 0
REGENERON PHARMACEUTICALS COM 75886F107 160,080 390,200 SH   DFND 1 159,000 0 231,200
REGULUS THERAPEUTICS INC COM 75915K101 6,416 400,000 SH   DFND 1 0 0 400,000
RELYPSA INC COM 759531106 272,813 8,857,551 SH   SOLE   8,857,551 0 0
ROKA BIOSCIENCE INC COM 775431109 14,202 3,220,429 SH   SOLE   3,220,429 0 0
SAGE THERAPEUTICS INC COM 78667J108 15,091 412,335 SH   SOLE   412,335 0 0
SALIX PHARMACEUTICALS INC COM 795435106 9,425 82,000 SH   DFND 1 0 0 82,000
SANGAMO BIOSCIENCES INC COM 800677106 1,521 100,000 SH Call DFND 1 39,700 0 60,300
SEATTLE GENETICS INC COM 812578102 3,213 100,000 SH Put DFND 1 39,700 0 60,300
SHIRE PLC SPONSORED ADR 82481R106 248,672 1,170,000 SH   DFND 1 501,000 0 669,000
SHIRE PLC SPONSORED ADR 82481R106 10,627 50,000 SH Call DFND 1 18,500 0 31,500
SIENTRA INC COM 82621J105 53,481 3,185,308 SH   SOLE   3,185,308 0 0
SINOVAC BIOTECH LTD SHS P8696W104 14,756 2,821,500 SH   DFND 1 1,373,500 0 1,448,000
SPDR S&P 500 ETF TR TR UNIT 78462F103 41,108 200,000 SH Put DFND 1 79,400 0 120,600
ST JUDE MED INC COM 790849103 11,250 173,000 SH   DFND 1 43,000 0 130,000
STRYKER CORP COM 863667101 97,311 1,031,600 SH   DFND 1 367,600 0 664,000
SUPERNUS PHARMACEUTICALS INC COM 868459108 4,814 580,000 SH   DFND 1 0 0 580,000
SYNAGEVA BIOPHARMA CORP COM 87159A103 7,219 77,800 SH   DFND 1 34,300 0 43,500
TESARO INC COM 881569107 49,463 1,330,000 SH   DFND 1 524,000 0 806,000
TEVA PHARMACEUTICAL INDS LTD ADR 881624209 23,004 400,000 SH   DFND 1 103,000 0 297,000
THERMO FISHER SCIENTIFIC INC COM 883556102 199,925 1,595,700 SH   DFND 1 695,700 0 900,000
TORNIER N V SHS N87237108 122,528 4,805,000 SH   DFND 1 2,100,000 0 2,705,000
UNITEDHEALTH GROUP INC COM 91324P102 23,756 235,000 SH   DFND 1 60,000 0 175,000
UROPLASTY INC COM NEW 917277204 2,809 1,363,500 SH   DFND 1 600,600 0 762,900
VALEANT PHARMACEUTICALS INTL COM 91911K102 23,184 162,000 SH   DFND 1 41,000 0 121,000
VERTEX PHARMACEUTICALS INC COM 92532F100 205,667 1,731,200 SH   DFND 1 594,000 0 1,137,200
VOLCANO CORPORATION NOTE 1.750%12/0 928645AB6 14,865 15,000,000 PRN   DFND 1 4,683,000 0 10,317,000
WRIGHT MED GROUP INC COM 98235T107 67,900 2,527,000 SH   DFND 1 1,122,000 0 1,405,000
XENCOR INC COM 98401F105 16,778 1,046,000 SH   DFND 1 0 0 1,046,000
XENOPORT INC COM 98411C100 48,639 5,546,100 SH   DFND 1 2,098,700 0 3,447,400
XOMA CORP DEL COM 98419J107 7,180 2,000,000 SH   DFND 1 526,700 0 1,473,300
ZIMMER HLDGS INC COM 98956P102 145,484 1,282,700 SH   DFND 1 493,700 0 789,000