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
OMB APPROVAL
OMB Number: 3235-0006
Estimated average burden
hours per response: 23.8
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
ACORDA THERAPEUTICS INC COM 00484M106 139,652 7,106,955 SH   SOLE   7,106,955 0 0
ACUITY BRANDS INC COM 00508Y102 29,228 185,930 SH   SOLE   185,930 0 0
AMERICAN SUPERCONDUCTOR CORP SHS NEW 030111207 136 19,610 SH   SOLE   19,610 0 0
ARRIS INTL INC SHS G0551A103 233,910 9,000,000 SH   SOLE   9,000,000 0 0
CONMED CORP COM 207410101 95,448 1,204,851 SH   SOLE   1,204,851 0 0
CONVERGEONE HLDGS INC COM CL A 212481105 14,448 1,551,828 SH   SOLE   1,551,828 0 0
ENTERCOM COMMUNICATIONS CORP CL A 293639100 62,810 7,950,651 SH   SOLE   7,950,651 0 0
EQT CORP COM 26884L109 104,986 2,373,631 SH   SOLE   2,373,631 0 0
FOREST CITY RLTY TR INC COM CL A 345605109 543,754 21,672,157 SH   SOLE   21,672,157 0 0
FOSSIL GROUP INC COM 34988V106 9,217 395,925 SH   SOLE   395,925 0 0
GW PHARMACEUTICALS PLC ADS 36197T103 256,917 1,487,307 SH   SOLE   1,487,307 0 0
HORIZON PHARMA PLC SHS G4617B105 289,047 14,762,354 SH   SOLE   14,762,354 0 0
INFLARX NV COM N44821101 7,038 205,080 SH   SOLE   205,080 0 0
INTERCEPT PHARMACEUTICALS IN COM 45845P108 8,208 64,961 SH   SOLE   64,961 0 0
INVESTORS BANCORP INC NEW COM 46146L101 174,112 14,190,051 SH   SOLE   14,190,051 0 0
ISHARES TR RUSSELL 2000 ETF 464287655 85,320 506,200 SH Put SOLE   506,200 0 0
ITRON INC COM 465741106 346,691 5,400,168 SH   SOLE   5,400,168 0 0
JD COM INC SPON ADR CL A 47215P106 186,385 7,143,928 SH   SOLE   7,143,928 0 0
JOHNSON CTLS INTL PLC SHS G51502105 261,760 7,478,853 SH   SOLE   7,478,853 0 0
LA JOLLA PHARMACEUTICAL CO COM PAR $.0001 2 503459604 52,141 2,590,212 SH   SOLE   2,590,212 0 0
MALLINCKRODT PUB LTD CO SHS G5785G107 138,477 4,724,581 SH   SOLE   4,724,581 0 0
MANNKIND CORP COM NEW 56400P706 3,050 1,666,498 SH   SOLE   1,666,498 0 0
PLAINS GP HLDGS L P LTD PARTNR INT A 72651A207 25,879 1,055,000 SH   SOLE   1,055,000 0 0
PROTHENA CORP PLC SHS G72800108 51,227 3,916,407 SH   SOLE   3,916,407 0 0
PTC THERAPEUTICS INC COM 69366J200 75,999 1,616,998 SH   SOLE   1,616,998 0 0
RETROPHIN INC COM 761299106 187,303 6,519,425 SH   SOLE   6,519,425 0 0
RETROPHIN INC NOTE 2.500% 9/1 761299AB2 49,411 48,000,000 PRN   SOLE   48,000,000 0 0
SANDERSON FARMS INC COM 800013104 7,948 76,887 SH   SOLE   76,887 0 0
SPDR S&P 500 ETF TR TR UNIT 78462F103 211,092 726,100 SH Put SOLE   726,100 0 0
SPIRIT AEROSYSTEMS HLDGS INC COM CL A 848574109 491,453 5,361,113 SH   SOLE   5,361,113 0 0
SPIRIT MTA REIT COM SHS BEN IN 84861U105 27,765 2,410,153 SH   SOLE   2,410,153 0 0
SPIRIT RLTY CAP INC NEW COM 84860W102 150,670 18,693,585 SH   SOLE   18,693,585 0 0
TENET HEALTHCARE CORP COM NEW 88033G407 52,830 1,856,285 SH   SOLE   1,856,285 0 0
VISTRA ENERGY CORP COM 92840M102 300,335 12,071,361 SH   SOLE   12,071,361 0 0
WAYFAIR INC CL A 94419L101 131,810 892,600 SH   SOLE   892,600 0 0
WEATHERFORD INTL PLC ORD SHS G48833100 84,064 31,019,881 SH   SOLE   31,019,881 0 0
Y MABS THERAPEUTICS INC COM 984241109 42,166 1,587,566 SH   SOLE   1,587,566 0 0
ZOGENIX INC COM NEW 98978L204 263,203 5,306,514 SH   SOLE   5,306,514 0 0