The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F INFORMATION TABLE

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COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8
VALUE SHRS OR SH/ PUT/ INVESTMENT OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
ABBVIE INC COM 00287Y109 107,150 1,000,000 SH Call SOLE   1,000,000 0 0
ALEXION PHARMACEUTICALS INC COM 015351109 183,582 1,175,000 SH   SOLE   1,175,000 0 0
ALKERMES PLC SHS G01767105 134,663 6,750,000 SH   SOLE   6,750,000 0 0
ANGIODYNAMICS INC COM 03475V101 8,284 540,362 SH   SOLE   540,362 0 0
AVROBIO INC COM 05455M100 43,679 3,133,333 SH   SOLE   3,133,333 0 0
BAUSCH HEALTH COS INC COM 071734107 88,400 4,250,000 SH   SOLE   4,250,000 0 0
BIOGEN INC COM 09062X103 48,972 200,000 SH   SOLE   200,000 0 0
BLUEBIRD BIO INC COM 09609G100 34,616 800,000 SH   SOLE   800,000 0 0
BRISTOL-MYERS SQUIBB CO COM 110122108 62,030 1,000,000 SH Call SOLE   1,000,000 0 0
BRISTOL-MYERS SQUIBB CO COM 110122108 62,030 1,000,000 SH Call SOLE   1,000,000 0 0
BROOKDALE SR LIVING INC COM 112463104 54,046 12,200,000 SH   SOLE   12,200,000 0 0
CHANGE HEALTHCARE INC COM 15912K100 242,450 13,000,000 SH   SOLE   13,000,000 0 0
COHERUS BIOSCIENCES INC COM 19249H103 38,236 2,200,000 SH   SOLE   2,200,000 0 0
COLLEGIUM PHARMACEUTICAL INC COM 19459J104 40,060 2,000,000 SH   SOLE   2,000,000 0 0
DICERNA PHARMACEUTICALS INC COM 253031108 11,566 525,000 SH   SOLE   525,000 0 0
GILEAD SCIENCES INC COM 375558103 145,650 2,500,000 SH Call SOLE   2,500,000 0 0
GLAXOSMITHKLINE PLC SPONSORED ADR 37733W105 128,800 3,500,000 SH   SOLE   3,500,000 0 0
GLYCOMIMETICS INC COM 38000Q102 8,272 2,200,000 SH   SOLE   2,200,000 0 0
HCA HEALTHCARE INC COM 40412C101 139,791 850,000 SH   SOLE   850,000 0 0
IRONWOOD PHARMACEUTICALS INC COM CL A 46333X108 85,425 7,500,000 SH   SOLE   7,500,000 0 0
MYRIAD GENETICS INC COM 62855J104 98,875 5,000,000 SH   SOLE   5,000,000 0 0
NEKTAR THERAPEUTICS COM 640268108 42,500 2,500,000 SH   SOLE   2,500,000 0 0
ORASURE TECHNOLOGIES INC COM 68554V108 34,401 3,250,000 SH   SOLE   3,250,000 0 0
PERRIGO CO PLC SHS G97822103 134,160 3,000,000 SH   SOLE   3,000,000 0 0
PUMA BIOTECHNOLOGY INC COM 74587V107 26,214 2,555,000 SH   SOLE   2,555,000 0 0
RADIUS HEALTH INC COM NEW 750469207 37,060 2,075,000 SH   SOLE   2,075,000 0 0
SAREPTA THERAPEUTICS INC COM 803607100 68,196 400,000 SH   SOLE   400,000 0 0
TENET HEALTHCARE CORP COM NEW 88033G407 119,790 3,000,000 SH   SOLE   3,000,000 0 0
TEVA PHARMACEUTICAL INDS LTD SPONSORED ADS 881624209 43,425 4,500,000 SH   SOLE   4,500,000 0 0
UNIVERSAL HLTH SVCS INC CL B 913903100 192,500 1,400,000 SH   SOLE   1,400,000 0 0
VIATRIS INC COM 92556V106 224,880 12,000,000 SH   SOLE   12,000,000 0 0
WALGREENS BOOTS ALLIANCE INC COM 931427108 119,640 3,000,000 SH   SOLE   3,000,000 0 0
WALGREENS BOOTS ALLIANCE INC COM 931427108 39,880 1,000,000 SH Call SOLE   1,000,000 0 0