Twin Securities, Inc.

13F Portfolio Filings

Most recent 13F
Q2 2026
Location
New York, NY
CIK
0001351351
All SEC filings
View on sec.gov
Holdings Value, Excluding Options
Quarter Holdings Value, Excl. Options ($000) Top Holdings Form Type Date Filed Filing ID
Q2 2026 13 195,839 EA, WBD, WBD puts, APGE 13F-HR 8/14/2026 000117266126003725
Q1 2026 17 202,312 EA, WBD, CWAN, HOLX 13F-HR 5/15/2026 000117266126002293
Q4 2025 17 261,072 CYBR, EXAS, EA, WBD 13F-HR 2/17/2026 000117266126000903
Q3 2025 15 198,472 VRNA, K, MRUS, COOP 13F-HR 11/14/2025 000117266125005055
Q2 2025 13 113,007 BA calls, K, HES, BPMC 13F-HR 8/14/2025 000117266125003469
Q1 2025 18 174,091 ITCI, K, BECN, HES 13F-HR 5/15/2025 000117266125002344
Q4 2024 14 169,580 JNPR, K, HCP, SMAR 13F-HR 2/14/2025 000117266125001149
Q3 2024 14 85,602 JNPR, EDR, HES, SMAR 13F-HR 11/14/2024 000117266124005236
Q2 2024 13 82,885 HUBS calls, EDR, CERE, HES 13F-HR 8/14/2024 000117266124003547
Q1 2024 13 86,138 EDR, PXD, X, EDR calls 13F-HR 5/15/2024 000117266124002485
Q4 2023 11 92,507 KRTX, X, CERE, SPLK 13F-HR 2/14/2024 000117266124001530
Q3 2023 12 331,228 ATVI, HZNP, ATVI calls, ATVI puts 13F-HR 11/14/2023 000117266123004031
Q2 2023 12 128,034 HZNP, HZNP puts, SGEN, ISEE 13F-HR 8/14/2023 000117266123003160
Q1 2023 10 181,238 SJR, HZNP, NATI, LSI 13F-HR 5/15/2023 000117266123002277
Q4 2022 15 110,149 HZNP, AAWW, LHCG, SJR 13F-HR 2/14/2023 000117266123001349
Q3 2022 23 207,246 ZEN, GBT, CHNG, SJR 13F-HR 11/14/2022 000117266122002585
Q2 2022 19 75,227 SJR, COHR, SWX, ZEN calls 13F-HR 8/15/2022 000117266122001977
Q1 2022 19 127,212 PLAN, ZEN calls, CERN, NLSN 13F-HR 5/16/2022 000117266122001436
Q4 2021 12 160,603 XLNX, AMD calls, ATH, INFO 13F-HR 2/14/2022 000117266122000847
Q3 2021 19 146,316 KSU, WTW, XLNX, ADI 13F-HR 11/15/2021 000117266121002362
Q2 2021 18 264,642 WORK, ALXN, MXIM, XLNX 13F-HR 8/16/2021 000117266121001842
Q1 2021 19 155,810 WORK, ALXN, RP, IPHI 13F-HR 5/17/2021 000117266121001298
Q4 2020 10 141,443 TIF, WORK, XLNX, ACIA 13F-HR 2/16/2021 000117266121000829
Q3 2020 16 135,282 LVGO, IMMU, TIF, NAV 13F-HR 11/16/2020 000117266120002283
Q2 2020 10 47,012 TECD calls, TIF, TIF puts, PTLA 13F-HR 8/14/2020 000117266120001848
Q1 2020 15 165,676 AGN, AGN puts, CY, MLNX calls 13F-HR 5/15/2020 000117266120001385
Q4 2019 12 153,835 AGN, TIF, ZAYO, QGEN 13F-HR 2/14/2020 000117266120000868
Q3 2019 11 161,127 CELG, ONCE, ZAYO, AGN 13F-HR 11/14/2019 000117266119002337
Q2 2019 12 269,058 RHT, APC, ONCE, CELG 13F-HR 8/14/2019 000117266119001867
Q1 2019 15 145,883 RHT, CVS, MLNX, CELG 13F-HR 5/15/2019 000117266119001350
Q4 2018 13 155,153 SHPG, CVS, CVS calls, ORBK 13F-HR 2/14/2019 000117266119000833
Q3 2018 13 204,076 AET, COL, ESRX, NXPI 13F-HR 11/14/2018 000117266118002187
Q2 2018 14 310,781 NXPI, AET, AABA, AKRXQ 13F-HR 8/14/2018 000117266118001688
Q1 2018 20 465,219 AET, NXPI, AABA, AKRXQ 13F-HR 5/15/2018 000117266118001221
Q4 2017 13 581,063 AABA, AKRXQ, AET, TWX calls 13F-HR 2/14/2018 000117266118000603
Q3 2017 24 629,882 AABA, ALR, TWX, MON 13F-HR 11/14/2017 000117266117002097
Q2 2017 21 568,687 AABA, ALR, MBBYF, RAI 13F-HR 8/14/2017 000117266117001702
Q1 2017 24 512,163 YHOO, NXPI, RAI, MBBYF 13F-HR 5/15/2017 000117266117001211
Q4 2016 17 551,511 STJ, YHOO, NXPI, ALR 13F-HR 2/14/2017 000117266117000779
Q3 2016 20 507,333 LNKD, YHOO, STJ, ALR 13F-HR 11/14/2016 000117266116004331
Q2 2016 24 413,199 LNKD, ALR, YHOO, AKRXQ 13F-HR 8/15/2016 000117266116003876
Q1 2016 34 700,776 TWC, BXLT, SNDK, AGN calls 13F-HR 5/16/2016 000117266116003437
Q4 2015 27 568,442 TWC, AKRXQ, PRGO, VER 13F-HR 2/16/2016 000117266116002946
Q3 2015 28 499,844 ALTR, VER, TWC, HTZ 13F-HR 11/16/2015 000117266115002092
Q2 2015 26 471,955 DTV, ARCP, ALTR, HTZ 13F-HR 8/14/2015 000117266115001661
Q1 2015 27 702,974 SLXP, ARCP, DTV, TWC 13F-HR 5/15/2015 000117266115001195
Q4 2014 14 484,564 ARCP, COV, TWC, HTZ 13F-HR 2/17/2015 000117266115000606
Q3 2014 17 432,700 ARCP, LAMR, HTZ, ACT calls 13F-HR 11/13/2014 000117266114001739
Q2 2014 20 498,221 ARCP, FRX, HTZ, ACT calls 13F-HR 8/13/2014 000139834414004160
Q1 2014 23 451,164 ARCP, HTZ, MCK, LAMR 13F-HR 5/14/2014 000139834414002772
Q4 2013 22 432,640 COLE, HTZ, APC, LNCOQ 13F-HR 2/13/2014 000139834414000987