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 16,228 483,255 SH   SOLE   483,255 0 0
AT&T Inc. COM 00206R102 562 16,724 SH   OTR 1 16,724 0 0
AT&T Inc. COM 00206R102 2,938 87,500 SH Put SOLE   87,500 0 0
AT&T Inc. COM 00206R102 84 2,500 SH Put OTR 1 2,500 0 0
Aetna Inc. NEW COM 00817Y108 158,297 780,366 SH   SOLE   780,366 0 0
Aetna Inc. NEW COM 00817Y108 3,653 18,006 SH   OTR 1 18,006 0 0
Alta Mesa Resources, Inc. CL A 02133L109 222 53,150 SH   SOLE   53,150 0 0
Alta Mesa Resources, Inc. CL A 02133L109 49 11,708 SH   OTR 1 11,708 0 0
Altaba Inc. COM 021346101 282,484 4,146,856 SH   SOLE   4,146,856 0 0
Altaba Inc. COM 021346101 5,473 80,338 SH   OTR 1 80,338 0 0
Andeavor COM 03349M105 135,208 893,054 SH   SOLE   893,054 0 0
Andeavor COM 03349M105 1,852 12,231 SH   OTR 1 12,231 0 0
Apollo Senior Floating Rate Fund Inc. COM 037636107 1,244 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 239 15,388 SH   SOLE   15,388 0 0
Aspen Insurance Holdings Limited SHS G05384105 42,737 1,022,415 SH   SOLE   1,022,415 0 0
Aspen Insurance Holdings Limited SHS G05384105 736 17,597 SH   OTR 1 17,597 0 0
Avista Healthcare Public Acquisition Corp CL A G0726L125 10,394 1,026,107 SH   SOLE   1,026,107 0 0
Avista Healthcare Public Acquisition Corp CL A G0726L125 272 26,893 SH   OTR 1 26,893 0 0
Big Rock Partners Acquisition Corp. COM 089482103 2,205 219,998 SH   SOLE   219,998 0 0
Big Rock Partners Acquisition Corp. COM 089482103 248 24,760 SH   OTR 1 24,760 0 0
Big Rock Partners Acquisition Corp. *W EXP 12/01/2022 089482111 46 109,999 SH   SOLE   109,999 0 0
Big Rock Partners Acquisition Corp. *W EXP 12/01/2022 089482111 5 12,380 SH   OTR 1 12,380 0 0
Bison Capital Acquisition Corp. ORD SHS G1142P104 2,042 199,998 SH   SOLE   199,998 0 0
Bison Capital Acquisition Corp. *W EXP 06/20/202 G1142P112 51 99,999 SH   SOLE   99,999 0 0
Black Ridge Acquisition Corp. COM 09216T107 4,517 460,000 SH   SOLE   460,000 0 0
Black Ridge Acquisition Corp. *W EXP 07/10/202 09216T115 202 460,000 SH   SOLE   460,000 0 0
Blackrock Debt Strategies Fund, Inc. COM NEW 09255R202 2,855 256,279 SH   SOLE   256,279 0 0
Blackrock Fltg Rate OME Strategies Fund COM 09255X100 915 66,381 SH   SOLE   66,381 0 0
Brookfield Property REIT Inc. CL A 11282X103 13,615 650,507 SH   SOLE   650,507 0 0
CA, Inc. COM 12673P105 5,265 119,242 SH   SOLE   119,242 0 0
CA, Inc. COM 12673P105 184 4,158 SH   OTR 1 4,158 0 0
CBS Corporation CL B 124857202 2,028 35,306 SH   OTR 1 35,306 0 0
CM Seven Star Acquisition Corp. SHS G2345N102 4,788 474,998 SH   SOLE   474,998 0 0
CM Seven Star Acquisition Corp. *W EXP 08/21/2022 G2345N110 115 237,499 SH   SOLE   237,499 0 0
Caesars Entertainment Corp NOTE 5.000%10/0 127686AA1 1,582 969,954 PRN   SOLE   969,954 0 0
Caesars Entertainment Corp NOTE 5.000%10/0 127686AA1 178 109,345 PRN   OTR 1 109,345 0 0
Caesars Entertainment Corporation COM 127686103 1 51 SH   SOLE   51 0 0
Caesars Entertainment Corporation COM 127686103 1 92 SH   OTR 1 92 0 0
Churchill Capital Corp UNIT 99/99/9999 17142R202 2,794 275,858 SH   SOLE   275,858 0 0
Cisco Systems, Inc. COM 17275R102 5,293 108,800 SH Put SOLE   108,800 0 0
Cisco Systems, Inc. COM 17275R102 112 2,300 SH Put OTR 1 2,300 0 0
Conagra Brands Inc. COM 205887102 995 29,300 SH Put SOLE   29,300 0 0
Conagra Brands Inc. COM 205887102 17 500 SH Put OTR 1 500 0 0
Constellation Alpha Capital Corp. SHS G2379F108 13,515 1,335,517 SH   SOLE   1,335,517 0 0
Constellation Alpha Capital Corp. SHS G2379F108 523 51,642 SH   OTR 1 51,642 0 0
Dell Technologies Inc. COM CL V 24703L103 50,207 516,961 SH   SOLE   516,961 0 0
Dell Technologies Inc. COM CL V 24703L103 1,347 13,872 SH   OTR 1 13,872 0 0
Discovery Inc. COM SER C 25470F302 6,490 219,390 SH   SOLE   219,390 0 0
Discovery Inc. COM SER C 25470F302 169 5,717 SH   OTR 1 5,717 0 0
Disney Walt Co COM DISNEY 254687106 84,361 721,400 SH Put SOLE   721,400 0 0
Disney Walt Co COM DISNEY 254687106 1,555 13,300 SH Put OTR 1 13,300 0 0
DowDuPont Inc. COM 26078J100 61,765 960,422 SH   SOLE   960,422 0 0
DowDuPont Inc. COM 26078J100 1,699 26,419 SH   OTR 1 26,419 0 0
DowDuPont Inc. COM 26078J100 3,023 47,000 SH Put SOLE   47,000 0 0
DowDuPont Inc. COM 26078J100 193 3,000 SH Put OTR 1 3,000 0 0
DowDuPont Inc. COM 26078J100 53,358 829,700 SH Put SOLE   829,700 0 0
DowDuPont Inc. COM 26078J100 1,132 17,600 SH Put OTR 1 17,600 0 0
Draper Oakwood Technology COM CL A 26146L103 2,222 217,868 SH   SOLE   217,868 0 0
Draper Oakwood Technology *W EXP 09/19/202 26146L111 44 75,000 SH   SOLE   75,000 0 0
Dun & Bradstreet Corporation DEL NEW COM 26483E100 3,819 26,797 SH   SOLE   26,797 0 0
Dun & Bradstreet Corporation DEL NEW COM 26483E100 73 513 SH   OTR 1 513 0 0
EQT Corporation COM 26884L109 1,530 34,600 SH   SOLE   34,600 0 0
EQT Corporation COM 26884L109 230 5,200 SH   OTR 1 5,200 0 0
EQT Corporation COM 26884L109 12,473 282,000 SH Put SOLE   282,000 0 0
EQT Corporation COM 26884L109 1,698 38,400 SH Put OTR 1 38,400 0 0
Easterly Acquisition Corp. COM 27616L102 5,365 513,396 SH   SOLE   513,396 0 0
Easterly Acquisition Corp. COM 27616L102 375 35,853 SH   OTR 1 35,853 0 0
Eaton Vance Floating-Rate Income Trust COM 278279104 1,155 79,084 SH   SOLE   79,084 0 0
Enbridge Energy Partners L.P. COM 29250R106 2,881 262,107 SH   SOLE   262,107 0 0
Energy Transfer Partners LP UNIT LTD PRT INT 29278N103 13,710 615,887 SH   SOLE   615,887 0 0
Envision Healthcare Corporation COM 29414D100 30,001 656,045 SH   SOLE   656,045 0 0
Envision Healthcare Corporation COM 29414D100 652 14,249 SH   OTR 1 14,249 0 0
Express Scripts Holding Company COM 30219G108 90,804 955,728 SH   SOLE   955,728 0 0
Express Scripts Holding Company COM 30219G108 1,911 20,115 SH   OTR 1 20,115 0 0
Federal Steet Acquisition Corp. *W EXP 07/24/202 31421V115 128 88,466 SH   SOLE   88,466 0 0
Federal Steet Acquisition Corp. *W EXP 07/24/202 31421V115 6 4,033 SH   OTR 1 4,033 0 0
First Trust Senior Fltg. Rate Income Fd.I COM 33733U108 980 77,069 SH   SOLE   77,069 0 0
Forest City Realty Trust, Inc. COM CL A 345605109 2,635 105,008 SH   SOLE   105,008 0 0
GigCapital, Inc. COM 37518N106 5,841 586,996 SH   SOLE   586,996 0 0
GigCapital, Inc. COM 37518N106 656 65,920 SH   OTR 1 65,920 0 0
GigCapital, Inc. *W EXP 06/08/202 37518N122 219 440,247 SH   SOLE   440,247 0 0
GigCapital, Inc. *W EXP 06/08/202 37518N122 25 49,440 SH   OTR 1 49,440 0 0
Gordon Pointe Acquisition Corp. COM CLASS A 382788107 1,528 154,711 SH   SOLE   154,711 0 0
Gordon Pointe Acquisition Corp. COM CLASS A 382788107 37 3,785 SH   OTR 1 3,785 0 0
Gramercy Property Trust COM NEW 385002308 57,232 2,085,728 SH   SOLE   2,085,728 0 0
Gramercy Property Trust COM NEW 385002308 75 2,726 SH   OTR 1 2,726 0 0
HP Inc. COM 40434L105 2,680 104,000 SH Put SOLE   104,000 0 0
HP Inc. COM 40434L105 57 2,200 SH Put OTR 1 2,200 0 0
Haymaker Acquisition Corp. COM CLASS A 420870107 2,706 277,300 SH   SOLE   277,300 0 0
Hennessy Capital Acquisition Corp. II COM 42588L105 2,038 200,000 SH   SOLE   200,000 0 0
Huntsman Corporation COM 447011107 49,474 1,816,882 SH   SOLE   1,816,882 0 0
Huntsman Corporation COM 447011107 1,432 52,585 SH   OTR 1 52,585 0 0
Huntsman Corporation COM 447011107 51,653 1,896,900 SH Put SOLE   1,896,900 0 0
Huntsman Corporation COM 447011107 1,950 71,600 SH Put OTR 1 71,600 0 0
Industrea Acquisition Corp. CL A 45579J104 14,127 1,385,008 SH   SOLE   1,385,008 0 0
Industrea Acquisition Corp. CL A 45579J104 527 51,703 SH   OTR 1 51,703 0 0
Integrated Device Technology, Inc. COM 458118106 12,824 272,785 SH   SOLE   272,785 0 0
Integrated Device Technology, Inc. COM 458118106 394 8,379 SH   OTR 1 8,379 0 0
Invesco Dynamic Credit Opportunities Fund COM 46132R104 1,261 109,967 SH   SOLE   109,967 0 0
Invesco Senior Income Trust COM 46131H107 2,052 477,119 SH   SOLE   477,119 0 0
KLX Inc. COM 482539103 56,813 904,951 SH   SOLE   904,951 0 0
KLX Inc. COM 482539103 942 15,007 SH   OTR 1 15,007 0 0
KapStone Paper and Packaging Corporation COM 48562P103 7,877 232,278 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 4,041 397,780 SH   SOLE   397,780 0 0
Kayne Anderson Acquisition Corp. COM CL A 48661U102 73 7,176 SH   OTR 1 7,176 0 0
Legacy Acquisition Corp. COM CL A 524643103 7,265 748,107 SH   SOLE   748,107 0 0
Legacy Acquisition Corp. COM CL A 524643103 777 80,000 SH   OTR 1 80,000 0 0
Legacy Acquisition Corp. *W EXP 11/30/202 524643111 222 500,000 SH   SOLE   500,000 0 0
Legacy Acquisition Corp. *W EXP 11/30/202 524643111 36 80,000 SH   OTR 1 80,000 0 0
Liberty Media Corp Delaware COM A SIRIUSXM 531229409 259 5,959 SH   OTR 1 5,959 0 0
Longevity Acquisition Corporation UNIT 08/29/2024 G56372108 1,229 119,999 SH   SOLE   119,999 0 0
Marriott Vacations Worldwide Corporation COM 57164Y107 6,861 61,400 SH Put SOLE   61,400 0 0
Marriott Vacations Worldwide Corporation COM 57164Y107 190 1,700 SH Put OTR 1 1,700 0 0
Marriott Vacations Worldwide Corporation COM 57164Y107 5,509 49,300 SH   SOLE   49,300 0 0
Matlin & Partners Acquisition Corp. CL A 57682V106 866 86,533 SH   SOLE   86,533 0 0
Matlin & Partners Acquisition Corp. CL A 57682V106 135 13,467 SH   OTR 1 13,467 0 0
Mitel Networks Corp COM 60671Q104 14,314 1,298,934 SH   SOLE   1,298,934 0 0
Mitel Networks Corp COM 60671Q104 262 23,808 SH   OTR 1 23,808 0 0
Modern Media Acquisition Corp. COM 60765P103 9,709 961,308 SH   SOLE   961,308 0 0
Modern Media Acquisition Corp. COM 60765P103 193 19,088 SH   OTR 1 19,088 0 0
Modern Media Acquisition Corp. *W EXP 05/17/202 60765P111 276 480,654 SH   SOLE   480,654 0 0
Modern Media Acquisition Corp. *W EXP 05/17/202 60765P111 5 9,544 SH   OTR 1 9,544 0 0
Mudrick Capital Acquisition Corp. COM CLASS A 624745105 4,839 498,050 SH   SOLE   498,050 0 0
Mudrick Capital Acquisition Corp. *W EXP 02/12/202 624745113 329 498,050 SH   SOLE   498,050 0 0
NXP Semiconductors NV COM N6596X109 63,983 748,336 SH   SOLE   748,336 0 0
NXP Semiconductors NV COM N6596X109 1,381 16,152 SH   OTR 1 16,152 0 0
NXP Semiconductors NV NOTE 1.000%12/0 62952QAB6 844 809,000 PRN   SOLE   809,000 0 0
Nevsun Resources Ltd. COM 64156L101 5,782 1,303,377 SH   SOLE   1,303,377 0 0
Nevsun Resources Ltd. COM 64156L101 105 23,561 SH   OTR 1 23,561 0 0
Nuveen Credit Strategies Income Fund COM SHS 67073D102 41 5,170 SH   SOLE   5,170 0 0
NxStage Medical, Inc. COM 67072V103 31,359 1,124,395 SH   SOLE   1,124,395 0 0
NxStage Medical, Inc. COM 67072V103 642 23,018 SH   OTR 1 23,018 0 0
Ocean Rig UDW, Inc. COM CL A G66964118 43,189 1,247,505 SH   SOLE   1,247,505 0 0
Ocean Rig UDW, Inc. COM CL A G66964118 703 20,313 SH   OTR 1 20,313 0 0
Orbotech, Ltd. ORD M75253100 49,852 838,698 SH   SOLE   838,698 0 0
Orbotech, Ltd. ORD M75253100 907 15,259 SH   OTR 1 15,259 0 0
Pensare Acquisition Corp. COM 70957E105 10,259 1,029,998 SH   SOLE   1,029,998 0 0
Pensare Acquisition Corp. *W EXP 07/27/202 70957E113 268 514,999 SH   SOLE   514,999 0 0
Pinnacle Foods Inc. DEL COM 72348P104 96,787 1,493,399 SH   SOLE   1,493,399 0 0
Pinnacle Foods Inc. DEL COM 72348P104 2,045 31,561 SH   OTR 1 31,561 0 0
Pure Acquisition Corp. CL A 74621Q106 8,580 884,114 SH   SOLE   884,114 0 0
Pure Acquisition Corp. *W EXP 04/17/202 74621Q114 597 442,057 SH   SOLE   442,057 0 0
Regalwood Global Energy Ltd. COM CL A G74760102 3,302 337,752 SH   SOLE   337,752 0 0
Regalwood Global Energy Ltd. *W EXP 12/05/202 G74760128 164 112,584 SH   SOLE   112,584 0 0
Rite Aid Corp. COM 767754104 375 293,074 SH   SOLE   293,074 0 0
Rite Aid Corp. COM 767754104 33 26,026 SH   OTR 1 26,026 0 0
Rockwell Collins, Inc. COM 774341101 167,835 1,194,810 SH   SOLE   1,194,810 0 0
Rockwell Collins, Inc. COM 774341101 3,124 22,239 SH   OTR 1 22,239 0 0
SPDR S&P 500 ETF TR TR UNIT 78462F103 64,249 221,000 SH Call SOLE   221,000 0 0
SPDR S&P 500 ETF TR TR UNIT 78462F103 1,163 4,000 SH Call OTR 1 4,000 0 0
SPDR S&P 500 ETF TR TR UNIT 78462F103 199,899 687,600 SH Put SOLE   687,600 0 0
SPDR S&P 500 ETF TR TR UNIT 78462F103 3,605 12,400 SH Put OTR 1 12,400 0 0
ServiceMaster Global Holdings Inc. COM 81761R109 5,359 86,400 SH   SOLE   86,400 0 0
ServiceMaster Global Holdings Inc. COM 81761R109 806 13,000 SH   OTR 1 13,000 0 0
ServiceMaster Global Holdings Inc. COM 81761R109 5,359 86,400 SH Put SOLE   86,400 0 0
ServiceMaster Global Holdings Inc. COM 81761R109 806 13,000 SH Put OTR 1 13,000 0 0
Shire PLC SPONSORED ADR 82481R106 24,104 132,971 SH   SOLE   132,971 0 0
Shire PLC SPONSORED ADR 82481R106 470 2,593 SH   OTR 1 2,593 0 0
Shire PLC SPONSORED ADR 82481R106 7,142 39,400 SH Put SOLE   39,400 0 0
Shire PLC SPONSORED ADR 82481R106 127 700 SH Put OTR 1 700 0 0
Spectra Energy Partners LP COM 84756N109 2,860 80,078 SH   SOLE   80,078 0 0
TKK Symphony Acquisition Corporation ORD SHS G88950103 3,849 405,113 SH   SOLE   405,113 0 0
Tenneco Inc. COM 880349105 9,031 214,300 SH   SOLE   214,300 0 0
Tenneco Inc. COM 880349105 1,357 32,200 SH   OTR 1 32,200 0 0
Tenneco Inc. COM 880349105 1,715 40,700 SH Put SOLE   40,700 0 0
Tenneco Inc. COM 880349105 257 6,100 SH Put OTR 1 6,100 0 0
Tenneco Inc. COM 880349105 5,916 140,400 SH Put SOLE   140,400 0 0
Tenneco Inc. COM 880349105 889 21,100 SH Put OTR 1 21,100 0 0
The Blackstone Group L.P. COM UNIT LTD 09253U108 3,538 92,900 SH Put SOLE   92,900 0 0
The Blackstone Group L.P. COM UNIT LTD 09253U108 533 14,000 SH Put OTR 1 14,000 0 0
The Blackstone Group L.P. COM UNIT LTD 09253U108 1,717 45,100 SH Put SOLE   45,100 0 0
The Blackstone Group L.P. COM UNIT LTD 09253U108 259 6,800 SH Put OTR 1 6,800 0 0
The Blackstone Group L.P. COM UNIT LTD 09253U108 5,255 138,000 SH   SOLE   138,000 0 0
The Blackstone Group L.P. COM UNIT LTD 09253U108 792 20,800 SH   OTR 1 20,800 0 0
Thunder Bridge Acquisition, Ltd. UNIT 01/01/202 G8857R118 3,750 369,089 SH   SOLE   369,089 0 0
Tiberius Acquisition Corporation COM 88633A107 4,351 450,000 SH   SOLE   450,000 0 0
Tiberius Acquisition Corporation *W EXP 02/28/202 88633A115 265 450,000 SH   SOLE   450,000 0 0
Trinity Industries Inc. COM 896522109 10,552 288,000 SH Put SOLE   288,000 0 0
Trinity Industries Inc. COM 896522109 1,554 42,400 SH Put OTR 1 42,400 0 0
Trinity Merger Corp. COM CL A 89653L106 3,932 400,000 SH   SOLE   400,000 0 0
Trinity Merger Corp. COM CL A 89653L106 499 50,727 SH   OTR 1 50,727 0 0
Trinity Merger Corp. *W EXP 05/11/202 89653L114 200 400,000 SH   SOLE   400,000 0 0
Trinity Merger Corp. *W EXP 05/11/202 89653L114 25 50,727 SH   OTR 1 50,727 0 0
Twelve Seas Investment Company SHS G9145A107 4,588 475,000 SH   SOLE   475,000 0 0
Twenty-First Century Fox, Inc. CL A 90130A101 9,539 205,897 SH   SOLE   205,897 0 0
Twenty-First Century Fox, Inc. CL A 90130A101 49 1,049 SH   OTR 1 1,049 0 0
Twenty-First Century Fox, Inc. CL B 90130A200 207,078 4,519,381 SH   SOLE   4,519,381 0 0
Twenty-First Century Fox, Inc. CL B 90130A200 4,421 96,495 SH   OTR 1 96,495 0 0
USG Corporation COM NEW 903293405 28,277 652,908 SH   SOLE   652,908 0 0
VF Corp. COM 918204108 3,467 37,100 SH Call SOLE   37,100 0 0
VF Corp. COM 918204108 523 5,600 SH Call OTR 1 5,600 0 0
Voya Prime Rate Trust SH BEN INT 92913A100 2,275 456,729 SH   SOLE   456,729 0 0
Western Asset High Income Opportunity Fun COM 95766K109 3,225 677,529 SH   SOLE   677,529 0 0