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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 (2014Q2)
Portfolio Summary: 244 holdings with a total value of $784,325,000.
#
Name
Shares
Value ($)
%
Options
Notes
1 GILEAD SCIENCES INC 670,000 55,550,000 7.08%
2 JAZZ PHARMACEUTICALS PLC SHS USD 304,500 44,765,000 5.71%
3 SUNEDISON INC 1,936,500 43,765,000 5.58%
4 SUNEDISON INC 1,530,000 34,578,000 4.41% Call
5 CONSTELLIUM HOLDCO 919,500 29,479,000 3.76%
6 ARES CAPITAL CORP 1,215,000 21,700,000 2.77%
7 AMERICAN AIRLS GROUP INC 470,000 20,191,000 2.57%
8 SUPERNUS PHARMACEUTICALS INC COM 1,765,000 19,327,000 2.46%
9 HANNON ARMSTRONG SUST INFR C 1,296,973 18,599,000 2.37%
10 UNITED RENTALS 150,000 15,710,000 2.00%
11 BONANZA CREEK ENERGY INC 265,000 15,155,000 1.93%
12 MICRON TECHNOLOGY INC 441,000 14,531,000 1.85%
13 PROSHARES TR 231,500 14,057,000 1.79%
14 WebMD Health Corp 290,000 14,007,000 1.79%
15 EATON CORP PLC 175,000 13,507,000 1.72%
16 GILEAD SCIENCES INC 160,000 13,265,000 1.69% Call
17 LYONDELLBASELL INDUSTRIES N 135,000 13,183,000 1.68%
18 EAGLE MATERIALS INC 138,400 13,048,000 1.66%
19 BIOSCRIP INC 1,500,000 12,510,000 1.60%
20 JINKOSOLAR HLDG CO LTD 400,250 12,076,000 1.54%
21 ITT Educational Services Inc 625,000 10,431,000 1.33%
22 CANADIAN SOLAR INC 331,000 10,347,000 1.32%
23 PHYSICIANS RLTY TR 715,000 10,289,000 1.31%
24 APPLIED OPTOELECTRONICS INC 435,500 10,104,000 1.29%
25 VALEANT PHARMACEUTICALS INTL 77,500 9,774,000 1.25%
26 ARUBA NETWORKS INC COM 530,000 9,286,000 1.18%
27 KOFAX LTD 1,076,000 9,254,000 1.18%
28 NATIONAL GEN HLDGS CORP COM 525,700 9,147,000 1.17%
29 NMI HLDGS INC CL A 865,000 9,083,000 1.16%
30 ALLEGION PUB LTD CO 150,000 8,502,000 1.08%
31 Barnes & Noble Inc 368,700 8,403,000 1.07%
32 CELLDEX THERAPEUTICS INC NEW 495,000 8,078,000 1.03%
33 CHART INDS INC 90,000 7,446,000 0.95%
34 STONE ENERGY CORP 155,000 7,252,000 0.92%
35 MICROSOFT CORP 170,000 7,089,000 0.90%
36 AMSURG CORP 140,000 6,380,000 0.81%
37 CAMBREX CORP 302,500 6,262,000 0.80%
38 MEDIA GENERAL, INC. 300,000 6,159,000 0.79%
39 RF MICRO DEVICES I 625,000 5,994,000 0.76%
40 Hertz Global Holdings, Inc. 200,000 5,606,000 0.71%
41 F5 NETWORKS INC 47,000 5,238,000 0.67%
42 ATHLON ENERGY INC COM 105,000 5,009,000 0.64%
43 SPDR FTSE SP OILGAS EXP ETF 60,000 4,937,000 0.63% Put
44 INDEPENDENCE REALTY 500,000 4,730,000 0.60%
45 JINKOSOLAR HLDG CO LTD 150,000 4,526,000 0.58% Call
46 SANCHEZ ENERGY 110,000 4,135,000 0.53%
47 IMPERVA INC 155,000 4,058,000 0.52%
48 PREFERRED APT CMNTYS INC COM 410,000 3,637,000 0.46%
49 CREE INC 69,000 3,447,000 0.44%
50 WORLD ENERGY SOLUTIONS INC D 832,995 3,340,000 0.43%
Page 1 of 5

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0000902664-14-003563, filed 2014.08.14).

From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.