0001095449-19-000068.txt : 20191105 0001095449-19-000068.hdr.sgml : 20191105 20191105154238 ACCESSION NUMBER: 0001095449-19-000068 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20190930 FILED AS OF DATE: 20191105 DATE AS OF CHANGE: 20191105 EFFECTIVENESS DATE: 20191105 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: 191193111 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 09-30-2019 09-30-2019 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 11-05-2019 0 32 383784 false INFORMATION TABLE 2 table.2019-09.xml 13F HOLDINGS REPORT FOR SEPTEMBER 30, 2019 ABT US 10/18/19 P85 Listed Option 002824950 233 900 SH Put SOLE 900 0 0 ATRICURE INC Equity 04963C209 21199 850000 SH SOLE 850000 0 0 BIO-RAD LABORATORIES-A Equity 090572207 38265 115000 SH SOLE 115000 0 0 CANTEL MEDICAL CORP Equity 138098108 10098 135000 SH SOLE 135000 0 0 CORREVIO PHARMA CORP Equity 22026V105 9000 4500000 SH SOLE 4500000 0 0 QUEST DIAGNOSTICS INC Equity 74834L100 18730 175000 SH SOLE 175000 0 0 GW PHARMACEUTICALS -ADR Depository Receipt 36197T103 2876 25000 SH SOLE 25000 0 0 HMS HOLDINGS CORP Equity 40425J101 7755 225000 SH SOLE 225000 0 0 HOLOGIC INC Equity 436440101 14137 280000 SH SOLE 280000 0 0 ICU MEDICAL INC Equity 44930G107 5586 35000 SH SOLE 35000 0 0 IVERIC BIO INC Equity 46583P102 3360 3000000 SH SOLE 3000000 0 0 INTEGER HOLDINGS CORP Equity 45826H109 8689 115000 SH SOLE 115000 0 0 IWM US 10/04/19 C155 Listed Option 464287905 33 3000 SH Call SOLE 3000 0 0 IWM US 10/18/19 C160 Listed Option 464287905 77 7000 SH Call SOLE 7000 0 0 LANTHEUS HOLDINGS INC Equity 516544103 18799 750000 SH SOLE 750000 0 0 ALLSCRIPTS HEALTHCARE SOLUTI Equity 01988P108 46391 4225000 SH SOLE 4225000 0 0 MDRX US 10/18/19 C10 Listed Option 01988P908 208 2000 SH Call SOLE 2000 0 0 MEDTRONIC PLC Equity 585055106 43448 400000 SH SOLE 400000 0 0 MEDP US 12/20/19 P75 Listed Option 58506Q909 116 350 SH Put SOLE 350 0 0 NEVRO CORP Equity 64157F103 4545 52864 SH SOLE 52864 0 0 OPTINOSE INC Equity 68404V100 4725 675000 SH SOLE 675000 0 0 PACIRA BIOSCIENCES INC Equity 695127100 29504 775000 SH SOLE 775000 0 0 PHREESIA INC Equity 71944F106 4848 200000 SH SOLE 200000 0 0 PORTOLA PHARMACEUTICALS INC Equity 737010108 26820 1000000 SH SOLE 1000000 0 0 RADNET INC Equity 750491102 4667 325000 SH SOLE 325000 0 0 RIGEL PHARMACEUTICALS INC Equity 766559603 10238 5475000 SH SOLE 5475000 0 0 SPY US 10/18/19 P290 Listed Option 78462F953 850 5000 SH Put SOLE 5000 0 0 STERICYCLE INC Equity 858912108 17826 350000 SH SOLE 350000 0 0 STREAMLINE HEALTH SOLUTIONS Equity 86323X106 2278 2100000 SH SOLE 2100000 0 0 UNITED THERAPEUTICS CORP Equity 91307C102 5981 75000 SH SOLE 75000 0 0 XLV US 10/18/19 P90 Listed Option 81369Y959 540 5000 SH Put SOLE 5000 0 0 ZIMMER BIOMET HOLDINGS INC Equity 98956P102 21963 160000 SH SOLE 160000 0 0