0001095449-20-000031.txt : 20200514 0001095449-20-000031.hdr.sgml : 20200514 20200514134827 ACCESSION NUMBER: 0001095449-20-000031 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20200331 FILED AS OF DATE: 20200514 DATE AS OF CHANGE: 20200514 EFFECTIVENESS DATE: 20200514 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: 20876841 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 03-31-2020 03-31-2020 Tamarack Advisers, LP

5050 AVENIDA ENCINAS SUITE 360 CARLSBAD CA 92008

13F HOLDINGS REPORT 028-17119 N Andrew H. Fesler (760) 729-7254 Andrew H. Fesler Carlsbad CA 04-08-2020 0 31 264075 false INFORMATION TABLE 2 table.2020-03.xml 13F HOLDINGS REPORT FOR MARCH 31, 2020 ATRICURE INC Equity 04963C209 20154 600000 SH SOLE 600000 0 0 BECTON DICKINSON AND CO Equity 075887109 3447 15000 SH SOLE 15000 0 0 BIO-RAD LABORATORIES-A Equity 090572207 14022 40000 SH SOLE 40000 0 0 CHANGE HEALTHCARE INC Equity 15912K100 6993 700000 SH SOLE 700000 0 0 QUEST DIAGNOSTICS INC Equity 74834L100 25455 317000 SH SOLE 317000 0 0 EHEALTH INC Equity 28238P109 1408 10000 SH SOLE 10000 0 0 EDWARDS LIFESCIENCES CORP Equity 28176E108 1886 10000 SH SOLE 10000 0 0 GLD US 01/15/21 C150 Listed Option 78463V907 4305 3500 SH Call SOLE 3500 0 0 HOLOGIC INC Equity 436440101 13338 380000 SH SOLE 380000 0 0 ICU MEDICAL INC Equity 44930G107 2219 11000 SH SOLE 11000 0 0 IVERIC BIO INC Equity 46583P102 4300 1250000 SH SOLE 1250000 0 0 INTEGER HOLDINGS CORP Equity 45826H109 629 10000 SH SOLE 10000 0 0 LANTHEUS HOLDINGS INC Equity 516544103 2552 200000 SH SOLE 200000 0 0 ALLSCRIPTS HEALTHCARE SOLUTI Equity 01988P108 19782 2810000 SH SOLE 2810000 0 0 MEDTRONIC PLC Equity 585055106 20291 225000 SH SOLE 225000 0 0 MERCK & CO. INC. Equity 58933Y105 6925 90000 SH SOLE 90000 0 0 MISONIX INC Equity 604871103 1873 198800 SH SOLE 198800 0 0 MYLAN NV Equity 628530107 13419 900000 SH SOLE 900000 0 0 NUANCE COMMUNICATIONS INC Equity 67020Y100 10488 625000 SH SOLE 625000 0 0 OPTINOSE INC Equity 68404V100 6960 1550000 SH SOLE 1550000 0 0 PACIRA BIOSCIENCES INC Equity 695127100 18442 550000 SH SOLE 550000 0 0 PFIZER INC Equity 717081103 3264 100000 SH SOLE 100000 0 0 PROGENICS PHARMACEUTICALS Equity 743187106 4180 1100000 SH SOLE 1100000 0 0 PHREESIA INC Equity 71944F106 5258 250000 SH SOLE 250000 0 0 INSULET CORP Equity 45784P101 828 5000 SH SOLE 5000 0 0 PERRIGO CO PLC Equity G97822103 19236 400000 SH SOLE 400000 0 0 RADNET INC Equity 750491102 2365 225000 SH SOLE 225000 0 0 RIGEL PHARMACEUTICALS INC Equity 766559603 8658 5550000 SH SOLE 5550000 0 0 SI-BONE INC Equity 825704109 2474 207000 SH SOLE 207000 0 0 STREAMLINE HEALTH SOLUTIONS Equity 86323X106 3660 4305882 SH SOLE 4305882 0 0 UNITED THERAPEUTICS CORP Equity 91307C102 15267 161000 SH SOLE 161000 0 0