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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 (2014Q4)
Original 13F HR (0001164691-15-000049) filed in 2015.02.17
#
Name
Shares
Value ($)
%
Options
Notes
1 3-D SYS CORP DEL 60,000 1,972 0.31%
2 ABENGOA SA 18,715 48 0.01%
3 ACCURAY INCORPORATED COM 50,000 378 0.06%
4 ACELRX PHARMACEUTICALS INC 10,000 67 0.01%
5 ACUITY BRANDS INC 9,800 1,373 0.22%
6 ADVANCED DRAIN SYS INC DEL 30,000 689 0.11%
7 AKORN INCORPORATED 10,000 362 0.06%
8 ALCOBRA LTD 15,000 56 0.01%
9 ALIBABA GROUP HLDG LTD 170,000 17,670 2.80%
10 ALIMERA SCIENCES INC 20,000 111 0.02%
11 ALLERGAN PLC 4,000 1,030 0.16%
12 AMEDICA CORP 17,500 14 0.00%
13 AMERICAN AXLE & MFG HLDGS INC COM 30,000 678 0.11%
14 AMTECH SYS INC 28,400 290 0.05%
15 APPLIED OPTOELECTRONICS INC COM 427,400 4,795 0.76%
16 ARM HOLDINGS PLC ADR 165,000 7,640 1.21%
17 ARMSTRONG WORLD INDS INC NEW COM 12,500 639 0.10%
18 ATRICURE INC 37,000 739 0.12%
19 Albany Molecular 10,000 163 0.03%
20 BANK AMER CORP 1,070,000 19,142 3.03% Call
21 BARRICK GOLD CORP 1,822,400 19,591 3.11% Call
22 BERRY PLASTICS GROUP INC 9,900 312 0.05%
23 BEST BUY INC 30,000 1,169 0.19% Call
24 BIOSCRIP INC 1,900,000 13,281 2.11%
25 BORGWARNER INC 22,500 1,237 0.20%
26 BOSTON SCIENTIFIC CORP 15,000 199 0.03%
27 BROADCOM CORP CL A 17,500 758 0.12%
28 BROADSOFT INC 312,500 9,069 1.44%
29 BROADWIND ENERGY INC COM NEW 34,500 186 0.03%
30 BioTelemetry Inc 30,000 301 0.05%
31 CAMBREX CORP 257,300 5,563 0.88%
32 CAMECO CORP 35,000 574 0.09%
33 CANCER GENETICS 50,000 334 0.05%
34 CARDINAL HEALTH INC 10,000 807 0.13%
35 CARDIOVASCULAR SYS INC DEL COM 10,000 301 0.05%
36 CARROLS RESTAURANT GROUP INC 50,000 382 0.06%
37 CECO ENVIRONMENTAL CORP 84,300 1,310 0.21%
38 CELADON GROUP INC 20,000 454 0.07%
39 CELGENE CORP 3,000 336 0.05%
40 CERNER CORP 7,000 453 0.07%
41 CITIGROUPINC 300,000 16,233 2.57%
42 CITIGROUPINC 50,000 2,706 0.43% Call
43 CKEC 2017-01-20 33.000 C A OPQ 50,000 1,314 0.21% Call
44 CLEAR CHANNEL OUTDOOR HLDGS CL A 45,000 477 0.08%
45 COMMUNITY HEALTH SYS INC NEW 330,000 17,793 2.82%
46 CONSTELLIUM NV CL A 426,100 7,001 1.11%
47 CONTINENTAL BLDG PRODS INC COM 10,000 177 0.03%
48 COVANTA HLDG CORP 263,400 5,797 0.92%
49 CREE INC 20,000 644 0.10%
50 CREE INC 24,100 777 0.12% Call
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