0001095449-18-000097.txt : 20181113 0001095449-18-000097.hdr.sgml : 20181113 20181113132610 ACCESSION NUMBER: 0001095449-18-000097 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20180930 FILED AS OF DATE: 20181113 DATE AS OF CHANGE: 20181113 EFFECTIVENESS DATE: 20181113 FILER: COMPANY DATA: COMPANY CONFORMED NAME: Tamarack Advisers, LP CENTRAL INDEX KEY: 0001661462 IRS NUMBER: 474492240 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 13F-HR SEC ACT: 1934 Act SEC FILE NUMBER: 028-17119 FILM NUMBER: 181176932 BUSINESS ADDRESS: STREET 1: 5050 AVENIDA ENCINAS STREET 2: SUITE 360 CITY: CARLSBAD STATE: CA ZIP: 92008 BUSINESS PHONE: (760) 429-7254 MAIL ADDRESS: STREET 1: 5050 AVENIDA ENCINAS STREET 2: SUITE 360 CITY: CARLSBAD STATE: CA ZIP: 92008 13F-HR 1 primary_doc.xml 13F-HR LIVE false false false 0001661462 XXXXXXXX 09-30-2018 09-30-2018 Tamarack Advisers, LP

5050 AVENIDA ENCINAS SUITE 360 CARLSBAD CA 92008

13F HOLDINGS REPORT 028-17119 N Andrew H. Fesler (760) 429-7254 Andrew H. Fesler Carlsbad CA 11-01-2018 0 32 350226 false INFORMATION TABLE 2 2018-09_table.xml 13F HOLDINGS REPORT FOR SEPTEMBER 30, 2018 ALKS US 01/18/19 C45 Listed Option G01767905 163 500 SH Call SOLE 500 0 0 ALKS US 12/21/18 C45 Listed Option G01767905 533 1500 SH Call SOLE 1500 0 0 AMGN US 01/18/19 P210 Listed Option 031162950 197 200 SH Put SOLE 200 0 0 ATRICURE INC Equity 04963C209 9633 275000 SH SOLE 275000 0 0 BIO-RAD LABORATORIES-A Equity 090572207 20344 65000 SH SOLE 65000 0 0 CORIUM INTERNATIONAL INC Equity 21887L107 13552 1425000 SH SOLE 1425000 0 0 CORREVIO PHARMA CORP Equity 22026V105 8281 2060000 SH SOLE 2060000 0 0 GILEAD SCIENCES INC Equity 375558103 13512 175000 SH SOLE 175000 0 0 GILD US 01/18/19 C85 Listed Option 375558903 340 2500 SH Call SOLE 2500 0 0 GLAUKOS CORP Equity 377322102 4868 75000 SH SOLE 75000 0 0 HOLOGIC INC Equity 436440101 14343 350000 SH SOLE 350000 0 0 IWM US 10/19/18 P165 Listed Option 464287951 539 7000 SH Put SOLE 7000 0 0 LABORATORY CRP OF AMER HLDGS Equity 50540R409 27789 160000 SH SOLE 160000 0 0 LANTHEUS HOLDINGS INC Equity 516544103 14502 970000 SH SOLE 970000 0 0 MDCO US 10/19/18 P20 Listed Option 584688955 25 1000 SH Put SOLE 1000 0 0 MDCO US 10/19/18 P25 Listed Option 584688955 47 1000 SH Put SOLE 1000 0 0 ALLSCRIPTS HEALTHCARE SOLUTI Equity 01988P108 26442 1950000 SH SOLE 1950000 0 0 MEDTRONIC PLC Equity 585055106 25576 260000 SH SOLE 260000 0 0 MODEL N INC Equity 607525102 1585 100000 SH SOLE 100000 0 0 NUVASIVE INC Equity 670704105 37412 525000 SH SOLE 525000 0 0 NOVOCURE LTD Equity G6674U908 33414 635000 SH SOLE 635000 0 0 NXSTAGE MEDICAL INC Equity 67072V103 16734 600000 SH SOLE 600000 0 0 OBALON THERAPEUTICS INC Equity 67424L100 5670 2100000 SH SOLE 2100000 0 0 OPHTHOTECH CORP Equity 683745103 2360 1000000 SH SOLE 1000000 0 0 OPTINOSE INC Equity 68404V100 10690 860000 SH SOLE 860000 0 0 PACIRA PHARMACEUTICALS INC Equity 695127100 7373 150000 SH SOLE 150000 0 0 RIGEL PHARMACEUTICALS INC Equity 766559603 14606 4550000 SH SOLE 4550000 0 0 SERVICE CORP INTERNATIONAL Equity 817565104 9452 213856 SH SOLE 213856 0 0 SPY US 10/19/18 P290 Listed Option 78462F953 294 1500 SH Put SOLE 1500 0 0 STERICYCLE INC Equity 858912108 21712 370000 SH SOLE 370000 0 0 STREAMLINE HEALTH SOLUTIONS Equity 86323X106 2242 1900000 SH SOLE 1900000 0 0 VITAMIN SHOPPE INC Equity 92849E101 6000 600000 SH SOLE 600000 0 0