ARDSLEY ADVISORY PARTNERS LP Q4 2017 Filing

Filed February 14, 2018

Portfolio Value

$823.0M

Holdings

137

Report Date

Q4 2017

Filing Type

13F-HR

All Holdings (137 positions)

#StockSharesValue% PortfolioType
101
EX9EXELIXIS INC
12,500$380K0.05%
102
VRTXVERTEX PHARMACEUTICALS INC
2,500$375K0.05%
103
WBAWALGREENS BOOTS ALLIANCE INC
5,000$363K0.04%
104
ADVMCHFADVERUM BIOTECHNOLOGIES INC
100,000$350K0.04%
105
EGHT8X8 INC NEW
24,000$338K0.04%
106
RGNXREGENXBIO INC
10,000$334K0.04%
107
NBISYANDEX N V
10,000$328K0.04%
108
POLARITYTE INC
14,100$327K0.04%
109
TEAMATLASSIAN CORP PLC
7,000$319K0.04%
110
ATRCATRICURE INC
17,500$319K0.04%
111
ALDXALDEYRA THERAPEUTICS INC
45,000$306K0.04%
112
FINISAR CORP
15,000$305K0.04%
113
CYPRESS SEMICONDUCTOR CORP
20,000$305K0.04%
114
AZURRX BIOPHARMA INC
82,500$300K0.04%
115
RUNSUNRUN INC
50,000$295K0.04%Call
116
NVDANVIDIA CORP
1,500$290K0.04%
117
BDQMALBIREO PHARMA INC
11,300$289K0.04%
118
DERMIRA INC
10,000$278K0.03%
119
CERSCERUS CORP
80,000$270K0.03%
120
BIOSCRIP INC
90,000$262K0.03%
121
AKCEA THERAPEUTICS INC
15,000$260K0.03%
122
AMBAAMBARELLA INC
4,000$235K0.03%
123
RPDRAPID7 INC
12,000$224K0.03%
124
ACER THERAPEUTICS INC
15,300$212K0.03%
125
IDERA PHARMACEUTICALS INC
100,000$211K0.03%
126
GYRECATALYST BIOSCIENCES INC
15,000$205K0.02%
127
NUVECTRA CORP
22,095$171K0.02%
128
APOLLO ENDOSURGERY INC
28,800$161K0.02%
129
PSTGPURE STORAGE INC
10,000$159K0.02%
130
CDNACAREDX INC
20,000$147K0.02%
131
OXFORD IMMUNOTEC GLOBAL PLC
10,000$140K0.02%
132
RUBIEURRUBICON PROJ INC
70,000$131K0.02%
133
NANTKWEST INC
25,000$112K0.01%
134
CASCADIAN THERAPEUTICS INC
25,000$93K0.01%
135
IMPRIMIS PHARMACEUTICALS INC
50,000$85K0.01%
136
LIPOCINE INC NEW
10,000$34K0.00%
137
CONTRAFECT CORP
15,000$15K0.00%
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