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
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hours per response: 23.8

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
Abeona Therapeutics Inc. COM 00289Y107 2,911 1,288,235 SH   SOLE   1,288,235 0 0
ACADIA Pharmaceuticals Inc. COM 004225108 1,470,357 40,854,586 SH   SOLE   40,854,586 0 0
Acceleron Pharma Inc. COM 00434H108 3,315 83,900 SH   SOLE   83,900 0 0
Achillion Pharmaceuticals, Inc. COM 00448Q201 3,943 1,095,359 SH   SOLE   1,095,359 0 0
Acorda Therapeutics, Inc. COM 00484M106 6,408 2,232,589 SH   SOLE   2,232,589 0 0
Adamas Pharmaceuticals, Inc. COM 00548A106 883 172,630 SH   SOLE   172,630 0 0
Adaptive Biotechnologies Corporation COM 00650F109 36,011 1,165,411 SH   SOLE   1,165,411 0 0
Aeglea BioTherapeutics, Inc. COM 00773J103 13,178 1,713,604 SH   SOLE   1,713,604 0 0
Affimed N.V. COM N01045108 588 200,000 SH   SOLE   200,000 0 0
Aimmune Therapeutics, Inc. COM 00900T107 14,112 673,908 SH   SOLE   673,908 0 0
Albireo Pharma, Inc. COM 01345P106 5,000 250,000 SH   SOLE   250,000 0 0
Alexion Pharmaceuticals, Inc. COM 015351109 808,795 8,258,068 SH   SOLE   8,258,068 0 0
Alkermes plc SHS G01767105 12,194 625,030 SH   SOLE   625,030 0 0
Allakos Inc. COM 01671P100 26,710 339,690 SH   SOLE   339,690 0 0
Amarin Corporation plc SPONSORED ADR 023111206 629,811 41,544,288 SH   SOLE   41,544,288 0 0
AnaptysBio, Inc. COM 032724106 3,957 113,086 SH   SOLE   113,086 0 0
Apellis Pharmaceuticals, Inc. COM 03753U106 7,558 313,725 SH   SOLE   313,725 0 0
Aquestive Therapeutics, Inc. COM 03843E104 317 99,600 SH   SOLE   99,600 0 0
Neoleukin Therapeutics, Inc. COM 64049K104 32,221 11,305,679 SH   SOLE   11,305,679 0 0
Aravive, Inc. COM 03890D108 4,981 664,088 SH   SOLE   664,088 0 0
Arcus Biosciences, Inc. COM 03969F109 1,106 121,534 SH   SOLE   121,534 0 0
argenx SE SPONSORED ADR 04016X101 116,189 1,019,557 SH   SOLE   1,019,557 0 0
Ascendis Pharma A/S SPONSORED ADR 04351P101 326,551 3,390,270 SH   SOLE   3,390,270 0 0
Assembly Biosciences, Inc. COM 045396108 7,896 803,246 SH   SOLE   803,246 0 0
Atreca, Inc. CL A Common 04965G109 43,241 3,532,760 SH   SOLE   3,532,760 0 0
Audentes Therapeutics, Inc. COM 05070R104 42,316 1,506,438 SH   SOLE   1,506,438 0 0
Autolus Therapeutics plc SPON ADS 05280R100 1,947 156,773 SH   SOLE   156,773 0 0
Axsome Therapeutics, Inc. COM 05464T104 15,631 772,286 SH   SOLE   772,286 0 0
BeiGene, Ltd. SPONSORED ADR 07725L102 1,442,246 11,777,285 SH   SOLE   11,777,285 0 0
Bellicum Pharmaceuticals, Inc. COM 079481107 2,812 2,677,818 SH   SOLE   2,677,818 0 0
BioCryst Pharmaceuticals, Inc. COM 09058V103 36,458 12,725,472 SH   SOLE   12,725,472 0 0
BioMarin Pharmaceutical Inc. COM 09061G101 511,518 7,589,294 SH   SOLE   7,589,294 0 0
BioMarin Pharmaceutical Inc. NOTE 0.599% 8/1/2024 09061GAH4 14,722 15,000,000 PRN   SOLE   15,000,000 0 0
bluebird bio, Inc. COM 09609G100 3,673 40,000 SH   SOLE   40,000 0 0
Catalyst Pharmaceuticals, Inc. COM 14888U101 7,125 1,341,902 SH   SOLE   1,341,902 0 0
Cerus Corporation COM 157085101 55,416 10,749,937 SH   SOLE   10,749,937 0 0
ChemoCentryx, Inc. COM 16383L106 1,404 207,029 SH   SOLE   207,029 0 0
Constellation Pharmaceuticals, Inc. COM 210373106 861 133,333 SH   SOLE   133,333 0 0
Crinetics Pharmaceuticals, Inc. COM 22663K107 2,632 175,000 SH   SOLE   175,000 0 0
Cyclerion Therapeutics, Inc. COM 23255M105 2,455 202,581 SH   SOLE   202,581 0 0
CymaBay Therapeutics, Inc. COM 23257D103 29,222 5,707,411 SH   SOLE   5,707,411 0 0
CytomX Therapeutics, Inc. COM 23284F105 1,435 194,377 SH   SOLE   194,377 0 0
DBV Technologies S.A. SPONSORED ADR 23306J101 47,382 5,509,560 SH   SOLE   5,509,560 0 0
Dermira, Inc. COM 24983L104 5,795 906,943 SH   SOLE   906,943 0 0
Dova Pharmaceuticals, Inc. COM 25985T102 2,857 102,205 SH   SOLE   102,205 0 0
Dynavax Technologies Corporation COM 268158201 268 75,000 SH   SOLE   75,000 0 0
Evofem Biosciences, Inc. COM 30048L104 514 102,048 SH   SOLE   102,048 0 0
Foamix Pharmaceuticals Ltd. SHS M46135105 1,514 498,189 SH   SOLE   498,189 0 0
Forty Seven, Inc. COM 34983P104 1,605 250,000 SH   SOLE   250,000 0 0
Fulgent Genetics, Inc. COM 359664109 1,299 125,000 SH   SOLE   125,000 0 0
G1 Therapeutics, Inc. COM 3621LQ109 2,898 127,236 SH   SOLE   127,236 0 0
Galapagos NV SPONSORED ADR 36315X101 3,827 25,072 SH   SOLE   25,072 0 0
Galmed Pharmaceuticals Ltd. SHS M47238106 1,031 215,594 SH   SOLE   215,594 0 0
Genomic Health, Inc. COM 37244C101 626,973 9,244,665 SH   SOLE   9,244,665 0 0
GW Pharmaceuticals plc ADS 36197T103 42,658 370,845 SH   SOLE   370,845 0 0
Halozyme Therapeutics, Inc. COM 40637H109 4,653 299,969 SH   SOLE   299,969 0 0
Harpoon Therapeutics, Inc. COM 41358P106 2,927 214,285 SH   SOLE   214,285 0 0
Heron Therapeutics, Inc. COM 427746102 111,335 6,018,104 SH   SOLE   6,018,104 0 0
HOOKIPA Pharma Inc. COM 43906K100 6,696 892,857 SH   SOLE   892,857 0 0
IDEAYA Biosciences, Inc. COM 45166A102 1,800 200,000 SH   SOLE   200,000 0 0
Idera Pharmaceuticals, Inc. COM PAR 45168K405 13,319 4,608,786 SH   SOLE   4,608,786 0 0
IGM Biosciences, Inc. COM 449585108 55,806 3,144,000 SH   SOLE   3,144,000 0 0
Incyte Corporation COM 45337C102 2,373,620 31,976,557 SH   SOLE   31,976,557 0 0
Infinity Pharmaceuticals, Inc. COM 45665G303 598 580,400 SH   SOLE   580,400 0 0
Inflarx N.V. COM N44821101 4,393 1,778,415 SH   SOLE   1,778,415 0 0
Insmed Incorporated COM PAR $.01 457669307 39,333 2,229,760 SH   SOLE   2,229,760 0 0
Intellia Therapeutics, Inc. COM 45826J105 1,716 128,538 SH   SOLE   128,538 0 0
Invitae Corporation COM 46185L103 169,435 8,792,678 SH   SOLE   8,792,678 0 0
Kiniksa Pharmaceuticals, Ltd. COM CL A G5269C101 23,824 2,799,577 SH   SOLE   2,799,577 0 0
Kodiak Sciences Inc. COM 50015M109 131,507 9,145,116 SH   SOLE   9,145,116 0 0
Krystal Biotech, Inc. COM 501147102 35,929 1,034,674 SH   SOLE   1,034,674 0 0
La Jolla Pharmaceutical Company COM PAR $.0001 2 503459604 13,721 1,559,231 SH   SOLE   1,559,231 0 0
Leap Therapeutics, Inc. COM 52187K101 1,145 978,454 SH   SOLE   978,454 0 0
Madrigal Pharmaceuticals, Inc. COM 558868105 100,815 1,169,278 SH   SOLE   1,169,278 0 0
Marker Therapeutics, Inc. COM 57055L107 7,665 1,500,000 SH   SOLE   1,500,000 0 0
Matinas BioPharma Holdings, Inc. COM 576810105 1,252 1,984,965 SH   SOLE   1,984,965 0 0
Menlo Therapeutics Inc. COM 586858102 3,136 700,000 SH   SOLE   700,000 0 0
Merus N.V. COM N5749R100 20,671 1,160,014 SH   SOLE   1,160,014 0 0
Milestone Pharmaceuticals Inc. COM 59935V107 4,973 266,667 SH   SOLE   266,667 0 0
Mirati Therapeutics, Inc. COM 60468T105 101,846 1,307,220 SH   SOLE   1,307,220 0 0
Mirum Pharmaceuticals, Inc. COM 604749101 3,353 333,333 SH   SOLE   333,333 0 0
Molecular Templates, Inc. COM 608550109 1,675 254,230 SH   SOLE   254,230 0 0
MyoKardia, Inc. COM 62857M105 79,124 1,517,237 SH   SOLE   1,517,237 0 0
Neurocrine Biosciences, Inc. COM 64125C109 127,531 1,415,283 SH   SOLE   1,415,283 0 0
Neurocrine Biosciences, Inc. NOTE 2.25% 5/15/2024 64125CAD1 42,113 30,770,000 PRN   SOLE   30,770,000 0 0
NextCure, Inc. COM 65343E108 4,628 150,000 SH   SOLE   150,000 0 0
NGM Biopharmaceuticals, Inc. COM 62921N105 3,463 250,000 SH   SOLE   250,000 0 0
Orchard Therapeutics plc ADS 68570P101 4,820 405,702 SH   SOLE   405,702 0 0
Principia Biopharma Inc. COM 74257L108 46,710 1,654,029 SH   SOLE   1,654,029 0 0
Protagonist Therapeutics, Inc. COM 74366E102 14,103 1,174,282 SH   SOLE   1,174,282 0 0
Ra Pharmaceuticals, Inc. COM 74933V108 55,471 2,345,496 SH   SOLE   2,345,496 0 0
Rhythm Pharmaceuticals, Inc. COM 76243J105 58,470 2,708,200 SH   SOLE   2,708,200 0 0
Ritter Pharmaceuticals, Inc. COM 767836307 87 279,999 SH   SOLE   279,999 0 0
Sangamo Therapeutics, Inc. COM 800677106 9,048 999,823 SH   SOLE   999,823 0 0
Seattle Genetics, Inc. COM 812578102 4,274,891 50,057,277 SH   SOLE   50,057,277 0 0
Sierra Oncology, Inc. COM 82640U107 781 2,000,000 SH   SOLE   2,000,000 0 0
Spark Therapeutics, Inc. COM 84652J103 72,922 751,927 SH   SOLE   751,927 0 0
Spring Bank Pharmaceuticals, Inc. COM 849431101 2,109 613,144 SH   SOLE   613,144 0 0
Sunesis Pharmaceuticals, Inc. COM 867328700 401 556,665 SH   SOLE   556,665 0 0
Syros Pharmaceuticals, Inc. COM 87184Q107 10,119 974,835 SH   SOLE   974,835 0 0
Tricida, Inc. COM 89610F101 60,811 1,969,905 SH   SOLE   1,969,905 0 0
Trillium Therapeutics Inc. COM 89620X506 155 505,262 SH   SOLE   505,262 0 0
uniQure N.V. SHS N90064101 20,377 517,700 SH   SOLE   517,700 0 0
UroGen Pharma Ltd. COM M96088105 17,819 747,751 SH   SOLE   747,751 0 0
Viking Therapeutics, Inc. COM 92686J106 2,924 425,000 SH   SOLE   425,000 0 0
Xbiotech Inc. COM 98400H102 5,453 521,327 SH   SOLE   521,327 0 0
Xencor, Inc. COM 98401F105 14,440 428,120 SH   SOLE   428,120 0 0
Y-mAbs Therapeutics, Inc. COM 984241109 2,679 102,800 SH   SOLE   102,800 0 0
Zymeworks Inc. COM 98985W102 42,370 1,708,472 SH   SOLE   1,708,472 0 0