0001095449-18-000066.txt : 20180814 0001095449-18-000066.hdr.sgml : 20180814 20180814125315 ACCESSION NUMBER: 0001095449-18-000066 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20180630 FILED AS OF DATE: 20180814 DATE AS OF CHANGE: 20180814 EFFECTIVENESS DATE: 20180814 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: 181015836 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 06-30-2018 06-30-2018 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 07-12-2018 0 28 298738 false INFORMATION TABLE 2 2018-06_table.xml 13F HOLDINGS REPORT FOR JUNE 30, 2018 ATRICURE INC Equity 04963C209 7033 260000 SH SOLE 260000 0 0 BIO-RAD LABORATORIES-A Equity 090572207 15870 55000 SH SOLE 55000 0 0 CORIUM INTERNATIONAL INC Equity 21887L107 10928 1364279 SH SOLE 1364279 0 0 CORREVIO PHARMA CORP Equity 22026V105 7560 2000000 SH SOLE 2000000 0 0 GILEAD SCIENCES INC Equity 375558103 14168 200000 SH SOLE 200000 0 0 HOLOGIC INC Equity 436440101 6956 175000 SH SOLE 175000 0 0 HSIC US 08/17/18 P75 Listed Option 806407952 425 1000 SH Put SOLE 1000 0 0 LABORATORY CRP OF AMER HLDGS Equity 50540R409 18492 103000 SH SOLE 103000 0 0 LUMINEX CORP Equity 55027E102 2335 79089 SH SOLE 79089 0 0 LANTHEUS HOLDINGS INC Equity 516544103 11416 784619 SH SOLE 784619 0 0 ALLSCRIPTS HEALTHCARE SOLUTI Equity 01988P108 19200 1600000 SH SOLE 1600000 0 0 MEDTRONIC PLC Equity 585055106 27738 324000 SH SOLE 324000 0 0 NUVASIVE INC Equity 670704105 26060 500000 SH SOLE 500000 0 0 NOVOCURE LTD Equity G6674U908 34430 1100000 SH SOLE 1100000 0 0 NXSTAGE MEDICAL INC Equity 67072V103 13128 470537 SH SOLE 470537 0 0 OBALON THERAPEUTICS INC Equity 67424L100 2258 1050000 SH SOLE 1050000 0 0 OPHTHOTECH CORP Equity 683745103 2525 925000 SH SOLE 925000 0 0 OPTINOSE INC Equity 68404V100 17488 625000 SH SOLE 625000 0 0 PACIRA PHARMACEUTICALS INC Equity 695127100 6090 190000 SH SOLE 190000 0 0 PDCO US 08/17/18 P25 Listed Option 703395953 469 1630 SH Put SOLE 1630 0 0 RIGEL PHARMACEUTICALS INC Equity 766559603 7429 2625000 SH SOLE 2625000 0 0 SERVICE CORP INTERNATIONAL Equity 817565104 6926 193526 SH SOLE 193526 0 0 SIENTRA INC Equity 82621J105 2439 125000 SH SOLE 125000 0 0 SPY US 07/20/18 P265 Listed Option 78462F953 936 6000 SH Put SOLE 6000 0 0 STERICYCLE INC Equity 858912108 16323 250000 SH SOLE 250000 0 0 STREAMLINE HEALTH SOLUTIONS Equity 86323X106 1653 1172291 SH SOLE 1172291 0 0 VITAMIN SHOPPE INC Equity 92849E101 6429 925000 SH SOLE 925000 0 0 DENTSPLY SIRONA INC Equity 24906P109 12037 275000 SH SOLE 275000 0 0