ARDSLEY ADVISORY PARTNERS LP

13F Portfolio Filings

Most recent 13F
Q2 2026
13D/G filings
13G on 1 security
Location
Norwalk, CT
CIK
0000900529
Alternate names
ARDSLEY ADVISORY PARTNERS
All SEC filings
View on sec.gov
Holdings Value
Quarter Holdings Value ($000) Top Holdings Form Type Date Filed Filing ID
Q2 2026 145 960,211 SNDK, AMD, SEZL, WULF 13F-HR 7/13/2026 000117266126002590
Q1 2026 151 784,359 SPY calls, UTHR, AVGO, SNDK 13F-HR 5/15/2026 000117266126002039
Q4 2025 142 911,130 LLY, FSLR, LITE, AVGO 13F-HR 2/17/2026 000117266126000864
Q3 2025 130 808,664 MRVL puts, FSLR, HUT, RUN 13F-HR 11/14/2025 000117266125004897
Q2 2025 145 760,623 FLR, MRVL puts, SPY calls, NVDA 13F-HR 8/14/2025 000117266125003308
Q1 2025 139 522,424 FLR, AVGO, AGI, CLS 13F-HR 5/15/2025 000117266125002033
Q4 2024 143 630,632 CRM, FLR, ITRI, OSCR 13F-HR 2/14/2025 000117266125000980
Q3 2024 128 607,958 OSCR, ITRI, RUN, SMCI calls 13F-HR 11/14/2024 000117266124004816
Q2 2024 140 680,786 SPY puts, RUN, FTAI, CLS 13F-HR 8/14/2024 000117266124003400
Q1 2024 124 696,077 SPY, RUN, CLS, STKL 13F-HR 5/15/2024 000117266124002405
Q4 2023 138 647,944 SPY puts, CLS, STKL, BIOX 13F-HR 2/14/2024 000117266124000939
Q3 2023 114 447,854 CLS, BIOX, CLS calls, STKL 13F-HR 11/14/2023 000117266123003920
Q2 2023 121 591,731 SPY puts, STKL, ITRI, BIOX 13F-HR 8/14/2023 000117266123002974
Q1 2023 101 455,249 FSLR, ITRI, STKL, BIOX 13F-HR 5/15/2023 000117266123002130
Q4 2022 119 482,922 FSLR, STKL, BIOX, RUN 13F-HR 2/14/2023 000117266123000830
Q3 2022 103 446,616 STKL, FSLR, RUN, BIOX 13F-HR 11/14/2022 000117266122002483
Q2 2022 124 607,775 TBT calls, STKL, SPY calls, CTLP 13F-HR 8/15/2022 000117266122001950
Q1 2022 126 599,356 TBT calls, CTLP, STKL, STAA 13F-HR 5/16/2022 000117266122001406
Q4 2021 106 524,652 CTLP, TBT calls, STKL, AZN calls 13F-HR 2/14/2022 000117266122000461
Q3 2021 126 655,985 CTLP, GE calls, TBT calls, DT 13F-HR 11/15/2021 000117266121002212
Q2 2021 130 851,063 TBT calls, CTLP, SPY puts, DT 13F-HR 8/16/2021 000117266121001710
Q1 2021 123 822,064 TBT calls, SPY puts, USAT, STKL 13F-HR 5/17/2021 000117266121001221
Q4 2020 128 609,206 STKL, USAT, TMUS, TBT calls 13F-HR 2/16/2021 000117266121000734
Q3 2020 145 518,281 STKL, BIIB calls, TMUS, EVA 13F-HR 11/13/2020 000117266120002148
Q2 2020 132 470,102 STKL, MSFT, ABBV, EVA 13F-HR 8/14/2020 000117266120001704
Q1 2020 101 255,230 STKL, FTAI, EVA, GE calls 13F-HR 5/15/2020 000117266120001308
Q4 2019 150 626,662 FTAI, SPY puts, TBT calls, STKL 13F-HR 2/14/2020 000117266120000766
Q3 2019 133 445,936 FTAI, BHVN, EVA, RUN 13F-HR 11/14/2019 000117266119002221
Q2 2019 148 633,749 SMH puts, USAT, FTAI, STKL RESTATEMENT 8/15/2019 000117266119001892
Q1 2019 131 521,164 FTAI, EVA, CELG, STKL 13F-HR 5/15/2019 000117266119001260
Q4 2018 104 397,856 RUN, FTAI, AY, STKL 13F-HR 2/14/2019 000117266119000625
Q3 2018 151 742,114 DIA calls, ELV calls, STKL, QQQ puts 13F-HR 11/14/2018 000117266118002069
Q2 2018 150 664,702 GLNG, RUN, STKL, ELV 13F-HR 8/14/2018 000116469118000128
Q1 2018 142 667,245 TBT, AY, PROSHARES TR, RUN 13F-HR 5/15/2018 000116469118000086
Q4 2017 137 823,023 SPDR S&P 500 ETF TR puts, PROSHARES TR calls, SPDR SERIES TRUST calls, AY 13F-HR 2/14/2018 000116469118000037
Q3 2017 130 751,913 TBT calls, SPY puts, AY, HASI 13F-HR 11/14/2017 000116469117000185
Q2 2017 135 642,171 AY, HASI, SHPG calls, STKL NEW HOLDINGS 9/21/2017 000116469117000156
Q2 2017 119 558,991 HASI, SHPG calls, STKL, ALXN 13F-HR 8/14/2017 000116469117000139
Q1 2017 150 643,639 HASI, QQQ puts, AY, PEGI 13F-HR 5/15/2017 000116469117000103
Q4 2016 123 604,032 SPY puts, AY, GILD calls, HASI 13F-HR 2/14/2017 000116469117000056
Q3 2016 156 632,300 AKRXQ, HASI, AY, STKL 13F-HR 11/14/2016 000116469116000321
Q2 2016 151 576,424 AKRXQ, GLD calls, HASI, JAZZ 13F-HR 8/15/2016 000116469116000293
Q1 2016 139 646,563 SPY calls, AKRXQ, QQQ calls, HASI 13F-HR 5/16/2016 000116469116000269
Q4 2015 140 768,061 QQQ puts, AKRXQ, JAZZ, VRX calls 13F-HR 2/16/2016 000116469116000236
Q3 2015 145 412,247 AKRXQ, JAZZ, HASI, ABY 13F-HR 11/16/2015 000116469115000172
Q2 2015 162 796,582 SPY, SUNEQ, JAZZ, SCTY 13F-HR 8/14/2015 000116469115000138
Q1 2015 188 719,103 SUNEQ, JAZZ, HASI, ZBH 13F-HR 5/15/2015 000116469115000097
Q4 2014 181 630,730 JAZZ, SUNEQ, ZBH, SCTY 13F-HR 2/17/2015 000116469115000049
Q3 2014 183 758,732 IWM puts, GILD, JAZZ, SUNEQ 13F-HR 11/13/2014 000090266414004309
Q2 2014 244 784,325 GILD, JAZZ, SUNEQ, SUNEQ calls 13F-HR 8/14/2014 000090266414003563
Q1 2014 228 667,540 JAZZ, SUNEQ, CSIQ, URI 13F-HR 5/15/2014 000090266414002570
Q4 2013 161 752,569 IWM puts, JAZZ, CSIQ, SUNEQ 13F-HR 2/12/2014 000090266414000822
Additional filings from Ardsley Advisory Partners LP that have since been restated

13D and 13G Filings

All 13D and 13G filings

Investors who own more than 5% of a class must file a Schedule 13D or 13G.

1 security where the latest filing since 12/18/2024 is a 13G, filed 5/13/2026. View all