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
ALTABA INC COM 021346101 308,031 4,207,500 SH   SOLE   4,207,500 0 0
AT&T INC COM 00206R102 64,220 2,000,000 SH Put SOLE   2,000,000 0 0
AT&T INC COM 00206R102 32,945 1,026,000 SH Call SOLE   1,026,000 0 0
AT&T INC COM 00206R102 168,319 5,241,935 SH   SOLE   5,241,935 0 0
BERKSHIRE HATHAWAY INC DEL CL A 084670108 282 1 SH   SOLE   1 0 0
BLACKBERRY LTD COM 09228F103 83,755 8,679,278 SH   SOLE   8,679,278 0 0
BRISTOL MYERS SQUIBB CO COM 110122108 79,324 1,433,400 SH   SOLE   1,433,400 0 0
ENVISION HEALTHCARE CORP COM 29414D100 22,005 500,000 SH Call SOLE   500,000 0 0
ENVISION HEALTHCARE CORP COM 29414D100 24,142 548,550 SH   SOLE   548,550 0 0
ILLUMINA INC NOTE 6/1 452327AF6 16,554 14,000,000 PRN   SOLE   14,000,000 0 0
ILLUMINA INC NOTE 0.500% 6/1 452327AH2 38,936 29,461,000 PRN   SOLE   29,461,000 0 0
NXP SEMICONDUCTORS N V COM N6596X109 30,956 283,300 SH Put SOLE   283,300 0 0
NXP SEMICONDUCTORS N V COM N6596X109 156,957 1,436,416 SH   SOLE   1,436,416 0 0
SALESFORCE COM INC COM 79466L302 102,300 750,000 SH Call SOLE   750,000 0 0