Current Holdings (from 13F, 13D)

InvestorArdsley Advisory Partners
Insider ProfileARDSLEY ADVISORY PARTNERS
Portfolio Value$ 793,985,000
Current Positions130
Opened Positions5
Closed Positions45

Ardsley Advisory Partners has disclosed 130 total holdings in their latest SEC filings. Most recent portfolio value is calculated to be $ 793,985,000 USD. Actual Assets Under Management (AUM) is this value plus cash (which is not disclosed). Ardsley Advisory Partners's top holdings are ProShares UltraShort 20+ Yr Tsy (NYSE:TBT) , SPDR S&P 500 ETF Trust (NYSE:SPY) , Hannon Armstrong Sustainable Infrastructure Capital, Inc. (NYSE:HASI) , Alexion Pharmaceuticals, Inc. (NASDAQ:ALXN) , and SPDR S&P Biotech ETF (NYSE:XBI) . Ardsley Advisory Partners's new positions include Vertex Pharmaceuticals Inc. (NASDAQ:VRTX) , Clovis Oncology, Inc. (NASDAQ:CLVS) , FedEx Corp. (NYSE:FDX) , FedEx Corp. (NYSE:FDX) , and Schulman (A.), Inc. (NASDAQ:SHLM) .


All Ardsley Advisory Partners holdings are listed in the following table. This data is sourced from 13D/13G, and 13F filings. Green rows indicate new positions. Red rows indicate closed positions.

This 13F was filed on 2017-11-14. Click the link icon to see the full transaction history.

Reporting PeriodFormSecurity Imputed
Share Price
Prev SharesCurrent SharesChange
(Percent)
Prev Value ($K)Current Value ($K)Change
(Percent)
2017‑09‑30 13F-HR GDDY / GoDaddy Inc. 43.51 120,000 155,000 29.17 5,090 6,744 32.50
2017‑09‑30 13F-HR HCLP / Hi-Crush Partners LP 9.50 560,000 635,000 13.39 6,090 6,033 -0.94
2017‑09‑30 13F-HR ZBH / Zimmer Biomet Holdings, Inc 117.09 4,500 110,000 2,344.44 578 12,880 2,128.37
2017‑09‑30 13F-HR RUN / Sunrun Inc. 5.55 400,000 365,000 -8.75 2,846 2,026 -28.81
2017‑09‑30 13F-HR ANDE / Andersons, Inc. (THE) 34.25 0 20,000 0 685
2017‑09‑30 13F-HR AKCA / Akcea Therapeutics Inc. 27.70 10,000 277
2017‑09‑30 13F-HR APEN / Apollo Endosurgery Inc. 4.68 18,800 88
2017‑09‑30 13F-HR ATLANTICA YIELD PLC / SHS (G0751N103) 19.70 1,984,000 39,085
2017‑09‑30 13F-HR BIVV / Bioverativ Inc. 57.00 7,000 399
2017‑09‑30 13F-HR BOX / Box, Inc. 19.33 12,000 232
2017‑09‑30 13F-HR CLVS / Clovis Oncology, Inc. 82.40 112,500 9,270
2017‑09‑30 13F-HR EA / Electronic Arts Inc. 118.00 2,000 236
2017‑09‑30 13F-HR FDX / FedEx Corp. 225.59 37,550 8,471
2017‑09‑30 13F-HR FDX / FedEx Corp. Call 225.59 40,100 9,046
2017‑09‑30 13F-HR FNSR / Finisar Corporation 22.17 217,500 4,822
2017‑09‑30 13F-HR IES HLDGS INC / (44951W106) 17.30 30,000 519
2017‑09‑30 13F-HR NYRT / New York REIT, Inc. 7.85 350,000 2,748
2017‑09‑30 13F-HR NVDA / NVIDIA Corp. 178.75 4,000 715
2017‑09‑30 13F-HR PEGA / Pegasystems, Inc. 57.60 5,000 288
2017‑09‑30 13F-HR UUP / PowerShares DB US Dollar Index Trust 24.18 100,000 2,418
2017‑09‑30 13F-HR VRTX / Vertex Pharmaceuticals Inc. Call 152.04 150,000 22,806
2017‑09‑30 13F-HR SHLM / Schulman (A.), Inc. 34.15 200,000 6,830
2017‑09‑30 13F-HR TXMD / TherapeuticsMD, Inc. 5.28 25,000 132
2017‑09‑30 13F-HR YNDX / Yandex N.V. 32.97 30,000 989
2017‑09‑30 13F-HR GOOG / Alphabet Inc. Class C 958.95 11,000 1,900 -82.73 10,000 1,822 -81.78
2017‑09‑30 13F-HR HASI / Hannon Armstrong Sustainable Infrastructure Capital, Inc. 24.37 1,180,000 1,115,363 -5.48 26,969 27,181 0.79
2017‑09‑30 13F-HR PAH / Platform Specialty Products Corp. 11.15 500,000 495,000 -1.00 6,338 5,519 -12.92
2017‑09‑30 13F-HR CREE / Cree, Inc. 28.19 75,000 107,500 43.33 1,849 3,030 63.87
2017‑09‑30 13F-HR ATRC / AtriCure, Inc. 22.40 15,000 15,000 0.00 364 336 -7.69
2017‑09‑30 13F-HR AET / Aetna, Inc. 159.00 6,000 7,000 16.67 911 1,113 22.17
2017‑09‑30 13F-HR IDSY / I.D. Systems, Inc. 7.51 264,021 478,301 81.16 1,636 3,592 119.56
2017‑09‑30 13F-HR GSM / Ferroglobe PLC 13.16 595,000 270,000 -54.62 7,107 3,553 -50.01
2017‑09‑30 13F-HR GLNG / Golar LNG Ltd. 22.61 472,500 420,000 -11.11 10,515 9,496 -9.69
2017‑09‑30 13F-HR BMRN / BioMarin Pharmaceutical, Inc. 93.00 7,000 7,000 0.00 636 651 2.36
2017‑09‑30 13F-HR STKL / SunOpta Inc. 8.70 2,328,400 2,365,000 1.57 23,691 20,576 -13.15
2017‑09‑30 13F-HR SQM / Sociedad Quimica y Minera de Chile S.A. 55.67 65,000 15,000 -76.92 2,147 835 -61.11
2017‑09‑30 13F-HR TBT / ProShares UltraShort 20+ Yr Tsy 35.58 6,000 256,000 4,166.67 215 9,108 4,136.28
2017‑09‑30 13F-HR TBT / ProShares UltraShort 20+ Yr Tsy Call 35.58 0 1,600,000 0 56,928
2017‑09‑30 13F-HR PE / Parsley Energy, Inc. 26.34 625,000 600,000 -4.00 17,334 15,804 -8.83
2017‑09‑30 13F-HR CELG / Celgene Corp. 145.80 136,000 10,000 -92.65 17,661 1,458 -91.74
2017‑09‑30 13F-HR INTU / Intuit Inc. 142.25 0 4,000 0 569
2017‑09‑30 13F-HR IAC / IAC/InterActiveCorp. 117.50 0 6,000 0 705
2017‑09‑30 13F-HR CRM / Salesforce.com, Inc. 93.50 9,000 4,000 -55.56 779 374 -51.99
2017‑09‑30 13F-HR MSFT / Microsoft Corp. 74.49 122,000 157,500 29.10 8,411 11,732 39.48
2017‑09‑30 13F-HR RGNX / REGENXBIO Inc. 33.00 10,000 10,000 0.00 197 330 67.51
2017‑09‑30 13F-HR IMMY / Imprimis Pharmaceuticals, Inc. 1.60 20,000 20,000 0.00 64 32 -50.00
2017‑09‑30 13F-HR DERM / Dermira, Inc. 27.00 10,000 10,000 0.00 291 270 -7.22
2017‑09‑30 13F-HR FB / Facebook, Inc. 170.75 0 4,000 0 683
2017‑09‑30 13F-HR CSIQ / Canadian Solar Inc. 16.84 568,000 300,500 -47.10 9,045 5,060 -44.06
2017‑09‑30 13F-HR CSIQ / Canadian Solar Inc. Call 16.84 100,000 100,000 0.00 1,592 1,684 5.78
2017‑09‑30 13F-HR WAAS / AquaVenture Holdings Limited 13.51 33,158 55,000 65.87 504 743 47.42
2017‑09‑30 13F-HR HDP / Hortonworks, Inc. 16.95 0 270,000 0 4,577
2017‑09‑30 13F-HR SUM / Summit Materials, Inc. 32.04 0 25,000 0 801
2017‑09‑30 13F-HR POT / Potash Corp. of Saskatchewan, Inc. 19.24 0 530,000 0 10,197
2017‑09‑30 13F-HR CARB / Carbonite, Inc. 22.00 150,000 245,000 63.33 3,266 5,390 65.03
2017‑09‑30 13F-HR MRK / Merck & Co., Inc. 64.00 0 5,000 0 320
2017‑09‑30 13F-HR SLCA / U.S. Silica Holdings, Inc. 31.10 0 10,000 0 311
2017‑09‑30 13F-HR NSM / Nationstar Mortgage Holdings Inc. 18.57 550,000 542,500 -1.36 9,837 10,074 2.41
2017‑09‑30 13F-HR NSM / Nationstar Mortgage Holdings Inc. Call 18.57 500,000 500,000 0.00 8,945 9,285 3.80
2017‑09‑30 13F-HR TTWO / Take-Two Interactive Software, Inc. 102.20 15,000 5,000 -66.67 1,101 511 -53.59
2017‑09‑30 13F-HR SPY / SPDR S&P 500 ETF Trust Put 251.23 0 200,000 0 50,246
2017‑09‑30 13F-HR NOW / ServiceNow, Inc. 117.53 80,000 74,000 -7.50 8,478 8,697 2.58
2017‑09‑30 13F-HR SSNI / Silver Spring Networks, Inc. 16.17 1,264,000 246,000 -80.54 14,264 3,978 -72.11
2017‑09‑30 13F-HR PGNX / Progenics Pharmaceuticals, Inc. 7.36 510,000 1,910,000 274.51 3,460 14,058 306.30
2017‑09‑30 13F-HR BIOS / BioScrip, Inc. 2.75 925,000 75,000 -91.89 2,511 206 -91.80
2017‑09‑30 13F-HR BOLD / Audentes Therapeutics, Inc. 28.00 20,072 25,072 24.91 384 702 82.81
2017‑09‑30 13F-HR SHPG / Shire Plc. 153.11 7,000 13,500 92.86 1,157 2,067 78.65
2017‑09‑30 13F-HR SHPG / Shire Plc. Call 153.15 150,000 75,000 -50.00 24,791 11,486 -53.67
2017‑09‑30 13F-HR CNC / Centene Corp. 96.77 0 200,000 0 19,354
2017‑09‑30 13F-HR CERS / Cerus Corp. 2.73 80,000 80,000 0.00 200 218 9.00
2017‑09‑30 13F-HR CPST / Capstone Turbine Corp. 0.70 210,000 210,000 0.00 148 146 -1.35
2017‑09‑30 13F-HR FLEX / Flextronics International Ltd. 16.57 0 28,000 0 464
2017‑09‑30 13F-HR GPRE / Green Plains Inc. 20.15 245,000 565,000 130.61 5,029 11,385 126.39
2017‑09‑30 13F-HR EVA / Enviva Partners LP 29.55 117,739 122,739 4.25 3,238 3,627 12.01
2017‑09‑30 13F-HR MBII / Marrone Bio Innovations, Inc. 1.15 3,681,580 3,681,580 0.00 4,528 4,234 -6.49
2017‑09‑30 13F-HR ALDR / Alder BioPharmaceuticals, Inc. 12.27 0 30,000 0 368
2017‑09‑30 13F-HR INCY / Incyte Corp. 116.74 2,500 77,500 3,000.00 315 9,047 2,772.06
2017‑09‑30 13F-HR FSLR / First Solar, Inc. Call 45.90 50,000 10,000 -80.00 1,994 459 -76.98
2017‑09‑30 13F-HR OXFD / Oxford Immunotec Global PLC 16.80 20,000 15,000 -25.00 336 252 -25.00
2017‑09‑30 13F-HR AMSC / American Superconductor Corp. 4.54 1,390,000 1,835,000 32.01 6,436 8,331 29.44
2017‑09‑30 13F-HR NBIX / Neurocrine Biosciences, Inc. 61.28 5,000 97,500 1,850.00 230 5,975 2,497.83
2017‑09‑30 13F-HR CBAY / Cymabay Therapeutics Inc. 8.06 50,210 70,210 39.83 290 566 95.17
2017‑09‑30 13F-HR AMD / Advanced Micro Devices, Inc. 12.80 25,000 10,000 -60.00 312 128 -58.97
2017‑09‑30 13F-HR JAZZ / Jazz Pharmaceuticals, Inc. 146.25 60,000 77,000 28.33 9,333 11,261 20.66
2017‑09‑30 13F-HR LRCX / Lam Research Corp. 185.00 0 4,000 0 740
2017‑09‑30 13F-HR LITE / Lumentum Holdings Inc. 54.35 137,000 142,500 4.01 7,812 7,745 -0.86
2017‑09‑30 13F-HR PWR / Quanta Services, Inc. 37.40 0 10,000 0 374
2017‑09‑30 13F-HR ACRS / Aclaris Therapeutics, Inc. 25.80 15,000 20,000 33.33 407 516 26.78
2017‑09‑30 13F-HR FOLD / Amicus Therapeutics, Inc. 15.08 0 365,000 0 5,504
2017‑09‑30 13F-HR GILD / Gilead Sciences, Inc. Call 81.04 125,000 25,000 -80.00 8,848 2,026 -77.10
2017‑09‑30 13F-HR ALXN / Alexion Pharmaceuticals, Inc. 140.29 176,500 171,500 -2.83 21,474 24,060 12.04
2017‑09‑30 13F-HR VRTX / Vertex Pharmaceuticals Inc. 152.05 0 18,500 0 2,813
2017‑09‑30 13F-HR TLGT / Teligent, Inc. New 6.72 25,000 29,000 16.00 229 195 -14.85
2017‑09‑30 13F-HR CIO / City Office REIT Inc. 13.77 740,000 730,000 -1.35 9,394 10,052 7.00
2017‑09‑30 13F-HR EGHT / 8x8, Inc. 13.50 0 30,000 0 405
2017‑09‑30 13F-HR ADBE / Adobe Systems, Inc. 149.18 90,000 50,000 -44.44 12,726 7,459 -41.39
2017‑09‑30 13F-HR IBB / iShares Nasdaq Biotechnology ETF 333.56 5,000 4,500 -10.00 1,550 1,501 -3.16
2017‑09‑30 13F-HR URI / United Rentals, Inc. 138.75 80,000 75,000 -6.25 9,017 10,406 15.40
2017‑09‑30 13F-HR IBM / International Business Machines Corp. Call 145.10 20,000 20,000 0.00 3,077 2,902 -5.69
2017‑09‑30 13F-HR ABBV / AbbVie Inc. 88.80 7,500 5,000 -33.33 544 444 -18.38
2017‑09‑30 13F-HR FTAI / Fortress Transportation and Infrastructure Investors LLC 18.04 760,000 710,000 -6.58 12,107 12,808 5.79
2017‑09‑30 13F-HR AZRX / AzurRx BioPharma, Inc. 3.98 35,000 62,500 78.57 141 249 76.60
2017‑09‑30 13F-HR ALDX / Aldeyra Therapeutics,Inc. 7.21 14,552 39,552 171.80 68 285 319.12
2017‑09‑30 13F-HR NYLD.A / NRG Yield, Inc., Class A 18.97 497,000 517,000 4.02 8,476 9,807 15.70
2017‑09‑30 13F-HR XBI / SPDR S&P Biotech ETF 86.57 276,000 268,000 -2.90 21,295 23,201 8.95
2017‑09‑30 13F-HR NVTR / Nuvectra Corporation 13.26 22,095 22,095 0.00 293 293 0.00
2017‑09‑30 13F-HR XLNX / Xilinx, Inc. 70.80 0 5,000 0 354
2017‑09‑30 13F-HR CRME / Cardiome Pharma Corp. 2.13 40,000 36,200 -9.50 180 77 -57.22
2017‑09‑30 13F-HR BABA / Alibaba Group Holding Limited 172.70 55,000 47,000 -14.55 7,754 8,117 4.68
2017‑09‑30 13F-HR FLXN / Flexion Therapeutics, Inc. 24.18 165,000 175,000 6.06 3,338 4,232 26.78
2017‑09‑30 13F-HR PEGI / Pattern Energy Group Inc. 24.10 617,500 362,000 -41.38 14,724 8,724 -40.75
2017‑09‑30 13F-HR NGDAF / New Gold, Inc. 3.71 0 2,965,000 0 11,000
2017‑09‑30 13F-HR ORCL / Oracle Corp. 48.35 0 265,000 0 12,813
2017‑09‑30 13F-HR TWTR / Twitter, Inc. 16.87 20,000 30,000 50.00 357 506 41.74
2017‑09‑30 13F-HR LXU / LSB Industries, Inc. 7.94 0 50,000 0 397
2017‑09‑30 13F-HR AMZN / Amazon.com, Inc. 961.29 0 2,015 0 1,937
2017‑09‑30 13F-HR DAR / Darling Ingredients Inc. 17.51 0 35,000 0 613
2017‑09‑30 13F-HR VG / Vonage Holdings Corp. 8.16 0 25,000 0 204
2017‑09‑30 13F-HR CI / Cigna Corp. 186.86 2,500 3,500 40.00 418 654 56.46
2017‑09‑30 13F-HR ABEO / Abeona Therapeutics Inc. 17.06 60,000 50,000 -16.67 383 853 122.72
2017‑09‑30 13F-HR EXPE / Expedia, Inc. 143.94 5,000 46,500 830.00 745 6,693 798.39
2017‑09‑30 13F-HR TEAM / Atlassian Corporation Plc 35.16 18,000 19,000 5.56 633 668 5.53
2017‑09‑30 13F-HR NRZ / New Residential Investment Corp. 16.73 1,000,000 1,160,000 16.00 15,565 19,407 24.68
2017‑09‑30 13F-HR AMAT / Applied Materials, Inc. 52.07 0 15,000 0 781
2017‑09‑30 13F-HR CSTM / Constellium N.V. 10.24 0 25,000 0 256
2017‑09‑30 13F-HR TEVA / Teva Pharmaceutical Industries Ltd. Call 17.60 50,000 50,000 0.00 1,661 880 -47.02
2017‑09‑30 13F-HR USAT / USA Technologies, Inc. 6.25 400,000 1,195,000 198.75 2,080 7,469 259.09
2017‑09‑30 13F-HR DY / Dycom Industries, Inc. 36,000 0 -100.00 3,221 0 -100.00
2017‑09‑30 13F-HR EW / Edwards Lifesciences Corp. 4,000 0 -100.00 473 0 -100.00
2017‑09‑30 13F-HR ZGNX / Zogenix, Inc. 15,000 0 -100.00 217 0 -100.00
2017‑09‑30 13F-HR AKAO / Achaogen, Inc. 10,000 0 -100.00 217 0 -100.00
2017‑09‑30 13F-HR CY / Cypress Semiconductor Corp. 275,000 0 -100.00 3,755 0 -100.00
2017‑09‑30 13F-HR CSCO / Cisco Systems, Inc. Call 100,000 0 -100.00 3,130 0 -100.00
2017‑09‑30 13F-HR DY / Dycom Industries, Inc. Call 10,000 0 -100.00 895 0 -100.00
2017‑09‑30 13F-HR EOG / EOG Resources, Inc. Call 50,000 0 -100.00 4,526 0 -100.00
2017‑09‑30 13F-HR DOW / Dow Chemical Co. (The) 100,000 0 -100.00 6,308 0 -100.00
2017‑09‑30 13F-HR GWRE / Guidewire Software, Inc. 8,000 0 -100.00 550 0 -100.00
2017‑09‑30 13F-HR JUNO / Juno Therapeutics, Inc. 10,000 0 -100.00 299 0 -100.00
2017‑09‑30 13F-HR MKTX / MarketAxess Holdings, Inc. 35,000 0 -100.00 7,041 0 -100.00
2017‑09‑30 13F-HR NRZ / New Residential Investment Corp. Call 1,000,000 0 -100.00 15,560 0 -100.00
2017‑09‑30 13F-HR NVS / Novartis AG 4,000 0 -100.00 334 0 -100.00
2017‑09‑30 13F-HR PXD / Pioneer Natural Resources Co. Call 100,000 0 -100.00 15,958 0 -100.00
2017‑09‑30 13F-HR POWI / Power Integrations, Inc. 7,000 0 -100.00 510 0 -100.00
2017‑09‑30 13F-HR QTNA / Quantenna Communications, Inc. 220,000 0 -100.00 4,183 0 -100.00
2017‑09‑30 13F-HR SELECT ENERGY SVCS INC / CL A COM (81617J301) 85,000 0 -100.00 1,070 0
2017‑09‑30 13F-HR TLND / Talend S.A. 75,000 0 -100.00 2,609 0 -100.00
2017‑09‑30 13F-HR X / United States Steel Corp. 200,000 0 -100.00 4,426 0 -100.00
2017‑09‑30 13F-HR W / Wayfair, Inc. Put 25,000 0 -100.00 1,922 0 -100.00
2017‑09‑30 13F-HR VSLR / Vivint Solar Inc. 394,800 0 -100.00 2,300 0 -100.00
2017‑09‑30 13F-HR VIAV / Viavi Solutions Inc. 610,000 0 -100.00 6,426 0 -100.00
2017‑09‑30 13F-HR BRG / Bluerock Residential Growth REIT, Inc. 625,000 0 -100.00 8,053 0 -100.00
2017‑09‑30 13F-HR LLY / Eli Lilly & Co. 2,500 0 -100.00 206 0 -100.00
2017‑09‑30 13F-HR CSCO / Cisco Systems, Inc. 30,000 0 -100.00 939 0 -100.00
2017‑09‑30 13F-HR SC / Santander Consumer USA Holdings Inc. 410,000 0 -100.00 5,234 0 -100.00
2017‑09‑30 13F-HR SYMC / Symantec Corp. 15,000 0 -100.00 424 0 -100.00
2017‑09‑30 13F-HR NTGR / NETGEAR, Inc. 12,000 0 -100.00 517 0 -100.00
2017‑09‑30 13F-HR MU / Micron Technology, Inc. 32,000 0 -100.00 956 0 -100.00
2017‑09‑30 13F-HR EXAS / EXACT Sciences Corp. 7,500 0 -100.00 265 0 -100.00
2017‑09‑30 13F-HR PRTK / Paratek Pharmaceuticals, Inc. 11,000 0 -100.00 265 0 -100.00
2017‑09‑30 13F-HR HCA / HCA Holdings Inc. 5,000 0 -100.00 436 0 -100.00
2017‑09‑30 13F-HR STM / STMicroelectronics N.V. 425,000 0 -100.00 6,120 0 -100.00
2017‑09‑30 13F-HR NEWR / New Relic, Inc. 10,000 0 -100.00 430 0 -100.00
2017‑09‑30 13F-HR ADMS / Adamas Pharmaceuticals, Inc. 15,000 0 -100.00 262 0 -100.00
2017‑09‑30 13F-HR ABCO / Advisory Board Co. (The) 95,000 0 -100.00 4,890 0 -100.00
2017‑09‑30 13F-HR GS / Goldman Sachs Group, Inc. (The) Put 25,000 0 -100.00 5,548 0 -100.00
2017‑09‑30 13F-HR GIMO / Gigamon Inc. Put 300,000 0 -100.00 11,805 0 -100.00
2017‑09‑30 13F-HR MTSI / MACOM Technology Solutions Holdings, Inc. 6,000 0 -100.00 335 0 -100.00
2017‑09‑30 13F-HR DBA / PowerShares DB Agriculture Fund 50,000 0 -100.00 992 0 -100.00
2017‑09‑30 13F-HR FTK / Flotek Industries Inc. 385,000 0 -100.00 3,440 0 -100.00
2017‑09‑30 13F-HR TVTY / Tivity Health, Inc. 160,000 0 -100.00 6,368 0 -100.00
2017‑09‑30 13F-HR ZEN / Zendesk, Inc. 175,000 0 -100.00 4,862 0 -100.00
2017‑09‑30 13F-HR ATVI / Activision Blizzard, Inc. 7,000 0 -100.00 403 0 -100.00
2017‑09‑30 13F-HR FSLR / First Solar, Inc. Put 45.88 85,000 3,900
2017‑09‑30 13F-HR GLNG / Golar LNG Ltd. Call 22.61 40,000 265,000 562.50 890 5,992 573.26
2017‑09‑30 13F-HR VTNR / Vertex Energy, Inc. 1.24 0 1,574,021 0 1,957