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
AT&T Inc. COM 00206R102 24,173 752,820 SH   SOLE   752,820 0 0
AT&T Inc. COM 00206R102 620 19,324 SH   OTR 1 19,324 0 0
Aetna Inc. COM 00817Y108 108,661 592,158 SH   SOLE   592,158 0 0
Aetna Inc. COM 00817Y108 2,806 15,293 SH   OTR 1 15,293 0 0
Alta Mesa Resources, Inc. CL A 02133L109 362 53,150 SH   SOLE   53,150 0 0
Alta Mesa Resources, Inc. CL A 02133L109 80 11,708 SH   OTR 1 11,708 0 0
Altaba Inc. COM 021346101 321,248 4,388,030 SH   SOLE   4,388,030 0 0
Altaba Inc. COM 021346101 6,408 87,523 SH   OTR 1 87,523 0 0
Altice USA CL A 02156K103 1,484 87,000 SH Put SOLE   87,000 0 0
Altice USA CL A 02156K103 222 13,000 SH Put OTR 1 13,000 0 0
Altice USA CL A 02156K103 2,703 158,436 SH   SOLE   158,436 0 0
Altice USA CL A 02156K103 413 24,196 SH   OTR 1 24,196 0 0
Andeavor COM 03349M105 79,638 607,086 SH   SOLE   607,086 0 0
Andeavor COM 03349M105 1,315 10,023 SH   OTR 1 10,023 0 0
Apollo Senior Floating Rate Fund Inc. COM 037636107 1,271 77,852 SH   SOLE   77,852 0 0
Apollo Tactical Income Fund Inc. COM 037638103 31 2,019 SH   SOLE   2,019 0 0
Ares Dynamic Credit Allocation Fund COM 04014F102 248 15,388 SH   SOLE   15,388 0 0
Avista Healthcare Public Acquisition Corp CL A G0726L125 10,287 1,026,107 SH   SOLE   1,026,107 0 0
Avista Healthcare Public Acquisition Corp CL A G0726L125 270 26,893 SH   OTR 1 26,893 0 0
Big Rock Partners Acquisition Corp. COM 089482103 2,180 219,998 SH   SOLE   219,998 0 0
Big Rock Partners Acquisition Corp. COM 089482103 245 24,760 SH   OTR 1 24,760 0 0
Big Rock Partners Acquisition Corp. *W EXP 12/01/202 089482111 41 109,999 SH   SOLE   109,999 0 0
Big Rock Partners Acquisition Corp. *W EXP 12/01/202 089482111 5 12,380 SH   OTR 1 12,380 0 0
Bison Capital Acquisition Corp. ORD SHS G1142P104 2,004 199,998 SH   SOLE   199,998 0 0
Bison Capital Acquisition Corp. *W EXP 06/20/202 G1142P112 38 99,999 SH   SOLE   99,999 0 0
Black Ridge Acquisition Corp. COM 09216T107 4,499 460,000 SH   SOLE   460,000 0 0
Black Ridge Acquisition Corp. warrants *W EXP 07/10/202 09216T115 161 460,000 SH   SOLE   460,000 0 0
Blackrock Debt Strategies Fund, Inc. COM NEW 09255R202 2,865 256,279 SH   SOLE   256,279 0 0
Blackrock Fltg Rate Inc. Ome Strategies Fund COM 09255X100 923 66,381 SH   SOLE   66,381 0 0
CBS Corporation CL B 124857202 108 1,919 SH   SOLE   1,919 0 0
CBS Corporation CL B 124857202 1,985 35,306 SH   OTR 1 35,306 0 0
CBS Corporation CL B 124857202 12,891 229,300 SH Put SOLE   229,300 0 0
CBS Corporation CL B 124857202 1,985 35,300 SH Put OTR 1 35,300 0 0
CM Seven Star Acquisition Corp. SHS G2345N102 4,698 474,998 SH   SOLE   474,998 0 0
CM Seven Star Acquisition Corp. *W EXP 08/21/202 G2345N110 94 237,499 SH   SOLE   237,499 0 0
Caesars Entertainment Corporation COM 127686103 1,024 95,700 SH Put SOLE   95,700 0 0
Caesars Entertainment Corporation COM 127686103 114 10,700 SH Put OTR 1 10,700 0 0
Caesars Entertainment Corporation COM 127686103 1,025 95,751 SH   SOLE   95,751 0 0
Caesars Entertainment Corporation COM 127686103 115 10,792 SH   OTR 1 10,792 0 0
Caesars Entertainment Corp. NOTE 5.000%10/0 127686AA1 1,661 969,954 PRN   SOLE   969,954 0 0
Caesars Entertainment Corp. NOTE 5.000%10/0 127686AA1 187 109,345 PRN   OTR 1 109,345 0 0
Cavium Inc. COM 14964U108 31,454 363,625 SH   SOLE   363,625 0 0
Cavium Inc. COM 14964U108 679 7,851 SH   OTR 1 7,851 0 0
CenturyLink, Inc. COM 156700106 3,345 179,473 SH   SOLE   179,473 0 0
CenturyLink, Inc. COM 156700106 130 6,998 SH   OTR 1 6,998 0 0
Conagra Brands Inc. COM 205887102 13,538 378,900 SH Put SOLE   378,900 0 0
Conagra Brands Inc. COM 205887102 314 8,800 SH Put OTR 1 8,800 0 0
Constellation Alpha Capital Corp. SHS G2379F108 4,836 485,517 SH   SOLE   485,517 0 0
Constellation Alpha Capital Corp. SHS G2379F108 514 51,642 SH   OTR 1 51,642 0 0
ConvergeOne Holdings, Inc. COM CL A 212481105 6,890 733,791 SH   SOLE   733,791 0 0
ConvergeOne Holdings, Inc. COM CL A 212481105 568 60,510 SH   OTR 1 60,510 0 0
ConvergeOne Holdings, Inc. *W EXP 04/12/202 212481113 517 377,371 SH   SOLE   377,371 0 0
ConvergeOne Holdings, Inc. *W EXP 04/12/202 212481113 1 723 SH   OTR 1 723 0 0
DXC Technology Company COM 23355L106 403 5,000 SH   SOLE   5,000 0 0
DXC Technology Company COM 23355L106 2,072 25,700 SH Put SOLE   25,700 0 0
DXC Technology Company COM 23355L106 306 3,800 SH Put OTR 1 3,800 0 0
DXC Technology Company COM 23355L106 145 1,800 SH Put SOLE   1,800 0 0
DXC Technology Company COM 23355L106 24 300 SH Put OTR 1 300 0 0
Discovery Inc. COM SER C 25470F302 5,594 219,390 SH   SOLE   219,390 0 0
Discovery Inc. COM SER C 25470F302 146 5,717 SH   OTR 1 5,717 0 0
Disney Walt Company COM DISNEY 254687106 22,649 216,100 SH Put SOLE   216,100 0 0
Disney Walt Company COM DISNEY 254687106 451 4,300 SH Put OTR 1 4,300 0 0
DowDuPont Inc. COM 26078J100 45,669 692,800 SH Put SOLE   692,800 0 0
DowDuPont Inc. COM 26078J100 580 8,800 SH Put OTR 1 8,800 0 0
DowDuPont Inc. COM 26078J100 9,024 136,900 SH Put SOLE   136,900 0 0
DowDuPont Inc. COM 26078J100 580 8,800 SH Put OTR 1 8,800 0 0
DowDuPont Inc. COM 26078J100 63,311 960,422 SH   SOLE   960,422 0 0
DowDuPont Inc. COM 26078J100 1,742 26,419 SH   OTR 1 26,419 0 0
Dr Pepper Snapple Group, Inc. COM 26138E109 49,080 402,299 SH   SOLE   402,299 0 0
Draper Oakwood Technology COM CL A 26146L103 1,497 150,000 SH   SOLE   150,000 0 0
Draper Oakwood Technology *W EXP 09/19/202 26146L111 55 75,000 SH   SOLE   75,000 0 0
EQT Corporation COM 26884L109 12,255 222,100 SH Put SOLE   222,100 0 0
EQT Corporation COM 26884L109 2,014 36,500 SH Put OTR 1 36,500 0 0
Eaton Vance Floating-Rate Income Trust COM 278279104 1,147 79,084 SH   SOLE   79,084 0 0
Envision Healthcare Corporation COM 29414D100 34,284 779,001 SH   SOLE   779,001 0 0
Envision Healthcare Corporation COM 29414D100 387 8,799 SH   OTR 1 8,799 0 0
Express Scripts Holding Company COM 30219G108 10,001 129,530 SH   SOLE   129,530 0 0
Federal Steet Acquisition Corp. *W EXP 07/24/202 31421V115 113 88,466 SH   SOLE   88,466 0 0
Federal Steet Acquisition Corp. *W EXP 07/24/202 31421V115 5 4,033 SH   OTR 1 4,033 0 0
Federal Street Acquisition Corp. CL A 31421V107 1,735 176,932 SH   SOLE   176,932 0 0
Federal Street Acquisition Corp. CL A 31421V107 79 8,066 SH   OTR 1 8,066 0 0
FinTech Acquisition Corp. II COM 31810G109 2,789 278,866 SH   SOLE   278,866 0 0
FinTech Acquisition Corp. II COM 31810G109 511 51,134 SH   OTR 1 51,134 0 0
First Trust Senior Fltg. Rate Income Fd.I COM 33733U108 990 77,069 SH   SOLE   77,069 0 0
GGP Inc. COM 36174X101 55,819 2,732,224 SH   SOLE   2,732,224 0 0
GGP Inc. COM 36174X101 306 14,997 SH   OTR 1 14,997 0 0
GigCapital, Inc. COM 37518N106 5,776 586,996 SH   SOLE   586,996 0 0
GigCapital, Inc. COM 37518N106 649 65,920 SH   OTR 1 65,920 0 0
GigCapital, Inc. *W EXP 06/08/202 37518N122 198 440,247 SH   SOLE   440,247 0 0
GigCapital, Inc. *W EXP 06/08/202 37518N122 22 49,440 SH   OTR 1 49,440 0 0
Gramercy Property Trust COM NEW 385002308 53,985 1,976,025 SH   SOLE   1,976,025 0 0
Gramercy Property Trust COM NEW 385002308 23 832 SH   OTR 1 832 0 0
Hennessy Capital Acquisition Corp. II COM 42588L105 2,028 200,000 SH   SOLE   200,000 0 0
Huntsman Corporation COM 447011107 1,162 39,800 SH Put SOLE   39,800 0 0
Huntsman Corporation COM 447011107 254 8,700 SH Put OTR 1 8,700 0 0
Huntsman Corporation COM 447011107 48,510 1,661,300 SH Put SOLE   1,661,300 0 0
Huntsman Corporation COM 447011107 990 33,900 SH Put OTR 1 33,900 0 0
Huntsman Corporation COM 447011107 51,136 1,751,218 SH   SOLE   1,751,218 0 0
Huntsman Corporation COM 447011107 1,252 42,884 SH   OTR 1 42,884 0 0
Huntsman Corporation COM 447011107 1,568 53,700 SH Put SOLE   53,700 0 0
Huntsman Corporation COM 447011107 231 7,900 SH Put OTR 1 7,900 0 0
ILG, Inc. COM 44967H101 1,189 36,000 SH Put SOLE   36,000 0 0
ILG, Inc. COM 44967H101 145 4,400 SH Put OTR 1 4,400 0 0
ILG, Inc. COM 44967H101 46,387 1,404,387 SH   SOLE   1,404,387 0 0
ILG, Inc. COM 44967H101 754 22,821 SH   OTR 1 22,821 0 0
Industrea Acquisition Corp. CL A 45579J104 2,520 255,614 SH   SOLE   255,614 0 0
Industrea Acquisition Corp. CL A 45579J104 257 26,109 SH   OTR 1 26,109 0 0
Invesco Dynamic Credit Opportunities Fund COM 46132R104 1,278 109,967 SH   SOLE   109,967 0 0
Invesco Senior Income Trust COM 46131H107 1,240 289,802 SH   SOLE   289,802 0 0
KapStone Paper and Packaging Corporation COM 48562P103 8,014 232,278 SH   SOLE   232,278 0 0
KapStone Paper and Packaging Corporation COM 48562P103 51 1,492 SH   OTR 1 1,492 0 0
Kayne Anderson Acquisition Corp. COM CL A 48661U102 5,867 593,248 SH   SOLE   593,248 0 0
Kayne Anderson Acquisition Corp. COM CL A 48661U102 106 10,704 SH   OTR 1 10,704 0 0
Legacy Acquisition Corp. COM CL A 524643103 4,810 500,000 SH   SOLE   500,000 0 0
Legacy Acquisition Corp. COM CL A 524643103 770 80,000 SH   OTR 1 80,000 0 0
Legacy Acquisition Corp. *W EXP 11/30/202 524643111 215 500,000 SH   SOLE   500,000 0 0
Legacy Acquisition Corp. *W EXP 11/30/202 524643111 34 80,000 SH   OTR 1 80,000 0 0
Liberty Media Corp Delaware COM A SIRIUSXM 531229409 268 5,959 SH   OTR 1 5,959 0 0
MTGE Investment Corp. COM 55378A105 1,519 77,500 SH   SOLE   77,500 0 0
Matlin & Partners Acquisition Corp. CL A 57682V106 855 86,533 SH   SOLE   86,533 0 0
Matlin & Partners Acquisition Corp. CL A 57682V106 133 13,467 SH   OTR 1 13,467 0 0
Mitel Networks Corp COM 60671Q104 1,747 159,221 SH   SOLE   159,221 0 0
Mitel Networks Corp COM 60671Q104 261 23,808 SH   OTR 1 23,808 0 0
Modern Media Acquisition Corp. COM 60765P103 9,594 961,308 SH   SOLE   961,308 0 0
Modern Media Acquisition Corp. COM 60765P103 190 19,088 SH   OTR 1 19,088 0 0
Modern Media Acquisition Corp. *W EXP 05/17/202 60765P111 312 480,654 SH   SOLE   480,654 0 0
Modern Media Acquisition Corp. *W EXP 05/17/202 60765P111 6 9,544 SH   OTR 1 9,544 0 0
MoneyGram International, Inc. COM NEW 60935Y208 1,024 153,125 SH   SOLE   153,125 0 0
MoneyGram International, Inc. COM NEW 60935Y208 54 8,064 SH   OTR 1 8,064 0 0
NXP Semiconductors NV COM N6596X109 212,263 1,942,557 SH   SOLE   1,942,557 0 0
NXP Semiconductors NV COM N6596X109 4,523 41,393 SH   OTR 1 41,393 0 0
NXP Semiconductors NV NOTE 1.000%12/0 62952QAB6 975 809,000 PRN   SOLE   809,000 0 0
New York REIT, Inc. COM NEW 64976L208 204 11,194 SH   SOLE   11,194 0 0
Nuveen Credit Strategies Income Fund COM SHS 67073D102 41 5,170 SH   SOLE   5,170 0 0
NxStage Medical, Inc. COM 67072V103 14,461 518,308 SH   SOLE   518,308 0 0
NxStage Medical, Inc. COM 67072V103 256 9,186 SH   OTR 1 9,186 0 0
Orbotech, Ltd. ORD M75253100 50,793 821,889 SH   SOLE   821,889 0 0
Orbotech, Ltd. ORD M75253100 943 15,259 SH   OTR 1 15,259 0 0
Pensare Acquisition Corp. COM 70957E105 10,187 1,029,998 SH   SOLE   1,029,998 0 0
Pensare Acquisition Corp. *W EXP 07/27/202 70957E113 330 514,999 SH   SOLE   514,999 0 0
Perspecta Inc. COM 715347100 51 2,500 SH   SOLE   2,500 0 0
Pinnacle Foods Inc. DEL COM 72348P104 62,372 958,686 SH   SOLE   958,686 0 0
Pinnacle Foods Inc. DEL COM 72348P104 1,535 23,599 SH   OTR 1 23,599 0 0
Pure Acquisition Corp. UNIT 04/13/2023 74621Q205 9,062 884,117 SH   SOLE   884,117 0 0
Regalwood Global Energy Ltd. UNIT 99/99/9999 G74760110 3,428 337,755 SH   SOLE   337,755 0 0
Rite Aid Corp. COM 767754104 507 293,074 SH   SOLE   293,074 0 0
Rite Aid Corp. COM 767754104 45 26,026 SH   OTR 1 26,026 0 0
Rockwell Collins, Inc. COM 774341101 135,160 1,003,565 SH   SOLE   1,003,565 0 0
Rockwell Collins, Inc. COM 774341101 2,816 20,909 SH   OTR 1 20,909 0 0
SPDR S&P 500 ETF TR TR UNIT 78462F103 66,572 245,400 SH Put SOLE   245,400 0 0
SPDR S&P 500 ETF TR TR UNIT 78462F103 1,248 4,600 SH Put OTR 1 4,600 0 0
SPDR S&P 500 ETF TR TR UNIT 78462F103 26,667 98,300 SH Put SOLE   98,300 0 0
SPDR S&P 500 ETF TR TR UNIT 78462F103 461 1,700 SH Put OTR 1 1,700 0 0
SPDR S&P 500 ETF TR TR UNIT 78462F103 39,960 147,300 SH Put SOLE   147,300 0 0
SPDR S&P 500 ETF TR TR UNIT 78462F103 732 2,700 SH Put OTR 1 2,700 0 0
SPDR S&P 500 ETF TR TR UNIT 78462F103 46,606 171,800 SH Put SOLE   171,800 0 0
SPDR S&P 500 ETF TR TR UNIT 78462F103 868 3,200 SH Put OTR 1 3,200 0 0
SPDR S&P 500 ETF TR TR UNIT 78462F103 39,960 147,300 SH Call SOLE   147,300 0 0
SPDR S&P 500 ETF TR TR UNIT 78462F103 732 2,700 SH Call OTR 1 2,700 0 0
Shire PLC SPONSORED ADR 82481R106 36,778 217,882 SH   SOLE   217,882 0 0
Shire PLC SPONSORED ADR 82481R106 995 5,896 SH   OTR 1 5,896 0 0
Shire PLC SPONSORED ADR 82481R106 912 5,400 SH Put SOLE   5,400 0 0
Shire PLC SPONSORED ADR 82481R106 135 800 SH Put OTR 1 800 0 0
Tenneco Inc. COM 880349105 1,723 39,200 SH Put SOLE   39,200 0 0
Tenneco Inc. COM 880349105 259 5,900 SH Put OTR 1 5,900 0 0
Tenneco Inc. COM 880349105 1,666 37,900 SH Put SOLE   37,900 0 0
Tenneco Inc. COM 880349105 251 5,700 SH Put OTR 1 5,700 0 0
Tenneco Inc. COM 880349105 7,631 173,600 SH   SOLE   173,600 0 0
Tenneco Inc. COM 880349105 1,147 26,100 SH   OTR 1 26,100 0 0
Tenneco Inc. COM 880349105 1,002 22,800 SH Put SOLE   22,800 0 0
Tenneco Inc. COM 880349105 149 3,400 SH Put OTR 1 3,400 0 0
Tenneco Inc. COM 880349105 4,242 96,500 SH Put SOLE   96,500 0 0
Tenneco Inc. COM 880349105 637 14,500 SH Put OTR 1 14,500 0 0
Thunder Bridge Acquisition, Ltd. UNIT 01/01/2025 G8857R118 3,703 369,089 SH   SOLE   369,089 0 0
Tiberius Acquisition Corporation UNIT 02/28/2021 88633A206 4,531 450,000 SH   SOLE   450,000 0 0
Tribune Media Company CL A 896047503 30,889 807,141 SH   SOLE   807,141 0 0
Tribune Media Company CL A 896047503 596 15,574 SH   OTR 1 15,574 0 0
Trinity Industries Inc. COM 896522109 1,826 53,300 SH Put SOLE   53,300 0 0
Trinity Industries Inc. COM 896522109 274 8,000 SH Put OTR 1 8,000 0 0
Trinity Industries Inc. COM 896522109 9,867 288,000 SH Put SOLE   288,000 0 0
Trinity Industries Inc. COM 896522109 1,453 42,400 SH Put OTR 1 42,400 0 0
Trinity Merger Corp. UNIT 05/11/202 89653L205 4,024 400,000 SH   SOLE   400,000 0 0
Trinity Merger Corp. UNIT 05/11/202 89653L205 510 50,727 SH   OTR 1 50,727 0 0
Twelve Seas Investment Company UNIT 06/21/2023 G9145A123 4,778 475,000 SH   SOLE   475,000 0 0
Twenty-First Century Fox, Inc. CL B 90130A200 228,786 4,643,511 SH   SOLE   4,643,511 0 0
Twenty-First Century Fox, Inc. CL B 90130A200 4,214 85,531 SH   OTR 1 85,531 0 0
United Technologies Corporation COM 913017109 20,742 165,900 SH Put SOLE   165,900 0 0
United Technologies Corporation COM 913017109 825 6,600 SH Put OTR 1 6,600 0 0
United Technologies Corporation COM 913017109 5,594 44,743 SH   SOLE   44,743 0 0
United Technologies Corporation COM 913017109 400 3,200 SH   OTR 1 3,200 0 0
United Technologies Corporation COM 913017109 21,818 174,500 SH Put SOLE   174,500 0 0
United Technologies Corporation COM 913017109 400 3,200 SH Put OTR 1 3,200 0 0
Validus Holdings, Ltd. COM SHS G9319H102 24,136 357,048 SH   SOLE   357,048 0 0
Voya Prime Rate Trust SH BEN INT 92913A100 1,255 249,433 SH   SOLE   249,433 0 0
Western Asset High Income Opportunity Fun COM 95766K109 3,266 677,529 SH   SOLE   677,529 0 0
XL Group Limited COM G98294104 99,374 1,776,118 SH   SOLE   1,776,118 0 0
XL Group Limited COM G98294104 2,077 37,126 SH   OTR 1 37,126 0 0