Institution Information
Reportee Signature Date Report period Total Entries Total Value($)
CASDIN CAPITAL LLC 08-12-2019 06-30-2019 31 1,068,381,974
Institutional Holdings
Issuer Class Position Value Shares Portfolio Percentage (%) Previous Percentage (%) Shares Delta Shares Delta(%)
SPARK THERAPEUTICS INC COM 1 $90,585,824 884,800 0.01 11.76 -55,200 -5.87
INVITAE CORP COM 2 $90,202,118 3,838,388 0.01 5.66 1,638,388 74.47
BLUEPRINT MEDICINES CORP COM 3 $88,670,200 940,000 0.01 7.46 91,352 10.76
CODEXIS INC COM 4 $86,519,885 5,073,780 0.01 4.57 3,048,780 150.56
SAGE THERAPEUTICS INC COM 5 $73,236,000 400,000 0.01 6.99 0 0.00
MYOKARDIA INC COM 6 $64,429,900 1,285,000 0.01 7.34 0 0.00
FATE THERAPEUTICS INC COM 7 $51,765,000 2,550,000 0.00 4.92 0 0.00
SAREPTA THERAPEUTICS INC COM 8 $50,903,250 335,000 0.00 3.99 30,000 9.84
LOXO ONCOLOGY INC COM Liquidated $0 0 8.63 360,000 +Inf
BLUEBIRD BIO INC COM 10 $47,382,000 372,500 0.00 6.18 15,000 4.20
ALNYLAM PHARMACEUTICALS INC COM 11 $47,164,000 650,000 0.00 4.57 205,000 46.07
MAGENTA THERAPEUTICS INC COM 12 $44,296,035 3,003,121 0.00 4.78 359,803 13.61
BIOLIFE SOLUTIONS INC COM NEW Liquidated $0 0 4.77 5.00 0 0.00
BIOLIFE SOLUTIONS INC COM 14 $39,408,375 2,428,571 0.00 2,428,571 +Inf
AUDENTES THERAPEUTICS INC COM 15 $36,534,900 965,000 0.00 4.33 -45,000 -4.46
VOYAGER THERAPEUTICS INC COM 16 $30,706,202 1,128,075 0.00 2.37 0 0.00
AGIOS PHARMACEUTICALS INC COM 17 $24,690,600 495,000 0.00 2.48 160,000 47.76
ILLUMINA INC COM 18 $22,089,000 60,000 0.00 2.05 0 0.00
GENMARK DIAGNOSTICS INC COM 19 $21,838,850 3,365,000 0.00 2.62 0 0.00
ADAPTIVE BIOTECHNOLOGIES COR COM 20 $20,100,347 463,125 0.00 463,125 +Inf
GRITSTONE ONCOLOGY INC COM 21 $19,717,800 1,770,000 0.00 1.64 649,414 57.95
CONSTELLATION PHARMCETICLS I COM 22 $18,714,229 1,523,960 0.00 2.32 -33,039 -2.12
SANGAMO THERAPEUTICS INC COM 23 $16,478,100 1,530,000 0.00 1.13 450,000 41.67
GLOBAL BLOOD THERAPEUTICS IN COM 24 $15,780,000 300,000 0.00 1.74 0 0.00
HOMOLOGY MEDICINES INC COM 25 $14,579,650 745,000 0.00 1.07 395,000 112.86
EDITAS MEDICINE INC COM 26 $11,875,200 480,000 0.00 1.29 0 0.00
ALECTOR INC COM 27 $10,189,059 551,039 0.00 0.68 220,000 66.46
BEIGENE LTD SPONSORED ADR Liquidated $0 0 1.01 1.68 0 0.00
TWIST BIOSCIENCE CORP COM 29 $8,703,000 300,000 0.00 300,000 +Inf
DENALI THERAPEUTICS INC COM 30 $8,304,000 400,000 0.00 0.26 300,000 300.00
CAREDX INC COM 31 $7,198,000 200,000 0.00 0.69 0 0.00
EVOLENT HEALTH INC CL A Liquidated $0 0 0.76 1.88 0 0.00
ISHARES TR NASDAQ BIOTECH Liquidated $0 0 0.99 60,000 +Inf
GILEAD SCIENCES INC COM Liquidated $0 0 0.57 80,000 +Inf
STOKE THERAPEUTICS INC COM 35 $2,479,450 85,000 0.00 85,000 +Inf
TURNING POINT THERAPEUTICS I COM 36 $2,442,000 60,000 0.00 60,000 +Inf
QUOTIENT LTD SHS Liquidated $0 0 0.34 325,000 +Inf
ORCHARD THERAPEUTICS PLC ADR 38 $1,399,000 100,000 0.00 100,000 +Inf
NEON THERAPEUTICS INC COM Liquidated $0 0 0.23 263,344 +Inf
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