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Institutional Investment Manager
ARDSLEY ADVISORY PARTNERS LP
ARDSLEY ADVISORY PARTNERS LP (CIK: 0000900529) incorporated in New York, located at 105 Rowayton Ave, Norwalk, CT. Institutional holdings reported to the SEC.

Institutional Holdings (2014Q1)
Original 13F HR (0000902664-14-002570) filed in 2014.05.15
#
Name
Shares
Value ($)
%
Options
Notes
1 JAZZ PHARMACEUTICALS PLC 297,500 41,257 6.18%
2 SunEdison Inc 1,894,100 35,684 5.35%
3 CANADIAN SOLAR INC 1,111,900 35,625 5.34%
4 UNITED RENTALS INC 300,000 28,482 4.27%
5 CONSTELLIUM NV CL A 890,400 26,133 3.91%
6 JINKOSOLAR HLDG CO LTD 914,600 25,563 3.83%
7 BARNES & NOBLE INC 1,125,000 23,513 3.52%
8 ARES CAPITAL CORP 1,140,000 20,087 3.01%
9 ITT Educational Services Inc 640,000 18,355 2.75%
10 HANNON ARMSTRONG SUST INFR C 1,022,500 14,673 2.20%
11 SUPERNUS PHARMACEUTICALS INC 1,590,000 14,215 2.13%
12 SunEdison Inc 750,000 14,130 2.12% Call
13 AMERICAN RLTY CAP PPTYS INC 1,000,000 14,020 2.10%
14 CREE INC 244,500 13,829 2.07%
15 AMERICAN AIRLS GROUP INC 358,000 13,103 1.96%
16 MICROSOFT CORP 315,000 12,912 1.93%
17 LYONDELLBASELL INDUSTRIES N 130,000 11,562 1.73%
18 PFIZER INC 325,000 10,439 1.56%
19 NMI HLDGS INC CL A 825,000 9,669 1.45%
20 ARUBA NETWORKS INC 500,000 9,375 1.40%
21 GILEAD SCIENCES INC 132,000 9,354 1.40%
22 AVISTA CORP 294,700 9,033 1.35%
23 LENNAR 225,000 8,915 1.34%
24 KOFAX LTD 995,000 8,627 1.29%
25 PHYSICIANS RLTY TR 615,000 8,561 1.28%
26 BONANZA CREEK ENERGY INC 175,000 7,770 1.16%
27 SUNGY MOBILE LTD 367,000 7,674 1.15%
28 BIOSCRIP INC 1,095,000 7,643 1.14%
29 WEBMD HEALTH CORP 175,000 7,245 1.09%
30 CELLDEX THERAPEUTICS INC NEW 409,500 7,236 1.08%
31 PULTE GROUP INC 375,000 7,196 1.08%
32 ENTEROMEDICS INC 3,915,000 7,125 1.07%
33 AXIALL CORPORATION 137,500 6,177 0.93%
34 ENERNOC INC 259,900 5,791 0.87%
35 ITT Educational Services Inc 200,000 5,736 0.86% Call
36 CIENA CORP 250,000 5,685 0.85%
37 APPLIED OPTOELECTRONICS INC COM 202,000 4,983 0.75%
38 INDEPENDENCE RLTY TR INC COM 500,000 4,455 0.67%
39 WORLD ENERGY SOLUTIONS INC D 832,995 4,015 0.60%
40 NASDAQ OMX GROUP 100,000 3,694 0.55% Put
41 NASDAQ OMX GROUP 100,000 3,694 0.55% Put
42 DERMA SCIENCES ORD 270,000 3,424 0.51%
43 PREFERRED APT CMNTYS INC COM 410,000 3,303 0.49%
44 CECO ENVIRONMENTAL CORP 197,400 3,275 0.49%
45 CHART INDS INC 32,400 2,574 0.39%
46 JUST ENERGY GROUP INC 309,000 2,486 0.37%
47 MAXWELL TECHNOLOGIES INC 189,500 2,448 0.37%
48 SENSATA TECHNOLOGIES HLDG NV 52,800 2,251 0.34%
49 NASDAQ OMX GROUP 60,000 2,216 0.33% Put
50 PROSHARES TR 20,000 2,106 0.32%
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