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
AMGEN INC COM 031162100 509 3,100 SH Put DFND 1 3,100 0 0
AMGEN INC COM 031162100 804 4,900 SH Put SOLE   4,900 0 0
B RILEY FINL INC COM 05580M108 5,527 368,477 SH   DFND 1 368,477 0 0
B RILEY FINL INC COM 05580M108 5,451 363,381 SH   SOLE   363,381 0 0
BANK OF NT BUTTERFIELD&SON L SHS NEW G0772R208 979 30,675 SH   SOLE   30,675 0 0
BROADWIND ENERGY INC COM NEW 11161T207 137 16,475 SH   SOLE   16,475 0 0
BROOKFIELD INFRAST PARTNERS LP INT UNIT G16252101 452 11,700 SH   DFND 1 11,700 0 0
BROOKFIELD INFRAST PARTNERS LP INT UNIT G16252101 746 19,300 SH   SOLE   19,300 0 0
BWX TECHNOLOGIES INC COM 05605H100 921 19,344 SH   SOLE   19,344 0 0
BWX TECHNOLOGIES INC COM 05605H100 1,352 28,400 SH Call DFND 1 28,400 0 0
BWX TECHNOLOGIES INC COM 05605H100 2,218 46,600 SH Call SOLE   46,600 0 0
C&J ENERGY SVCS INC NEW COM 12674R100 1,081 31,740 SH   DFND 1 31,740 0 0
C&J ENERGY SVCS INC NEW COM 12674R100 658 19,325 SH   SOLE   19,325 0 0
CNO FINL GROUP INC COM 12622E103 615 30,000 SH   SOLE   30,000 0 0
COVISINT CORP COM 22357R103 2,050 1,000,000 SH   DFND 1 1,000,000 0 0
COVISINT CORP COM 22357R103 3,014 1,470,000 SH   SOLE   1,470,000 0 0
CRYOLIFE INC COM 228903100 1,349 81,050 SH   DFND 1 81,050 0 0
CRYOLIFE INC COM 228903100 889 53,367 SH   SOLE   53,367 0 0
EVERSPIN TECHNOLOGIES INC COM 30041T104 182 21,742 SH   SOLE   21,742 0 0
FORMFACTOR INC COM 346375108 432 36,479 SH   SOLE   36,479 0 0
HC2 HLDGS INC COM 404139107 1,533 247,204 SH   DFND 1 247,204 0 0
HC2 HLDGS INC COM 404139107 2,085 336,296 SH   SOLE   336,296 0 0
HEALTH INS INNOVATIONS INC COM CL A 42225K106 4,075 254,700 SH   DFND 1 254,700 0 0
HEALTH INS INNOVATIONS INC COM CL A 42225K106 3,866 241,600 SH   SOLE   241,600 0 0
IMMERSION CORP COM 452521107 1,376 158,861 SH   DFND 1 158,861 0 0
IMMERSION CORP COM 452521107 593 68,500 SH   SOLE   68,500 0 0
INTEL CORP COM 458140100 1,420 39,380 SH   DFND 1 39,380 0 0
INTEL CORP COM 458140100 366 10,147 SH   SOLE   10,147 0 0
INTUITIVE SURGICAL INC COM NEW 46120E602 920 1,200 SH Put DFND 1 1,200 0 0
INTUITIVE SURGICAL INC COM NEW 46120E602 1,380 1,800 SH Put SOLE   1,800 0 0
INVUITY INC COM NEW 46187J205 1,892 238,000 SH   DFND 1 238,000 0 0
INVUITY INC COM NEW 46187J205 1,240 156,000 SH   SOLE   156,000 0 0
ISHARES MSCI TURKEY ETF 464286715 207 5,787 SH   DFND 1 5,787 0 0
ISHARES MSCI TURKEY ETF 464286715 330 9,213 SH   SOLE   9,213 0 0
ISHARES TR US HOME CONS ETF 464288752 1,186 37,100 SH Put DFND 1 37,100 0 0
ISHARES TR US HOME CONS ETF 464288752 2,012 62,900 SH Put SOLE   62,900 0 0
ISHARES TR RUSSELL 2000 ETF 464287655 2,585 18,800 SH Put DFND 1 18,800 0 0
ISHARES TR RUSSELL 2000 ETF 464287655 4,289 31,200 SH Put SOLE   31,200 0 0
KEMET CORP COM NEW 488360207 501 41,730 SH   SOLE   41,730 0 0
KEY ENERGY SVCS INC DEL COM 49309J103 938 40,399 SH   DFND 1 40,399 0 0
KEY ENERGY SVCS INC DEL COM 49309J103 345 14,869 SH   SOLE   14,869 0 0
KITE PHARMA INC COM 49803L109 678 8,642 SH   DFND 1 8,642 0 0
KITE PHARMA INC COM 49803L109 1,127 14,358 SH   SOLE   14,358 0 0
LONESTAR RES US INC CL A VTG 54240F103 1,514 299,240 SH   DFND 1 299,240 0 0
LONESTAR RES US INC CL A VTG 54240F103 1,640 324,021 SH   SOLE   324,021 0 0
MARVELL TECHNOLOGY GROUP LTD ORD G5876H105 1,509 98,888 SH   DFND 1 98,888 0 0
MARVELL TECHNOLOGY GROUP LTD ORD G5876H105 388 25,406 SH   SOLE   25,406 0 0
MCKESSON CORP COM 58155Q103 712 4,800 SH Put DFND 1 4,800 0 0
MCKESSON CORP COM 58155Q103 1,142 7,700 SH Put SOLE   7,700 0 0
MICRON TECHNOLOGY INC COM 595112103 1,239 42,889 SH   DFND 1 42,889 0 0
MICRON TECHNOLOGY INC COM 595112103 318 11,018 SH   SOLE   11,018 0 0
MICROSOFT CORP COM 594918104 952 14,461 SH   SOLE   14,461 0 0
NATURAL GROCERS BY VITAMIN C COM 63888U108 389 37,400 SH Call DFND 1 37,400 0 0
NATURAL GROCERS BY VITAMIN C COM 63888U108 650 62,600 SH Call SOLE   62,600 0 0
NATURAL RESOURCE PARTNERS L COM UNIT LTD PAR 63900P608 546 15,110 SH   DFND 1 15,110 0 0
NATURAL RESOURCE PARTNERS L COM UNIT LTD PAR 63900P608 714 19,757 SH   SOLE   19,757 0 0
NETLIST INC COM 64118P109 854 862,246 SH   DFND 1 862,246 0 0
NETLIST INC COM 64118P109 508 513,636 SH   SOLE   513,636 0 0
NEWS CORP NEW CL A 65249B109 1,495 115,000 SH   DFND 1 115,000 0 0
NEWS CORP NEW CL A 65249B109 390 30,000 SH   SOLE   30,000 0 0
NOKIA CORP SPONSORED ADR 654902204 715 131,925 SH   DFND 1 131,925 0 0
NOKIA CORP SPONSORED ADR 654902204 184 33,993 SH   SOLE   33,993 0 0
PACCAR INC COM 693718108 668 9,939 SH   SOLE   9,939 0 0
POWERSHARES QQQ TRUST UNIT SER 1 73935A104 15,038 113,600 SH Put DFND 1 113,600 0 0
POWERSHARES QQQ TRUST UNIT SER 1 73935A104 24,676 186,400 SH Put SOLE   186,400 0 0
QUANTUM CORP COM DSSG 747906204 1,065 1,223,587 SH   DFND 1 1,223,587 0 0
QUANTUM CORP COM DSSG 747906204 291 334,648 SH   SOLE   334,648 0 0
SELECT SECTOR SPDR TR SBI INT-FINL 81369Y605 451 19,000 SH Put DFND 1 19,000 0 0
SELECT SECTOR SPDR TR SBI INT-FINL 81369Y605 973 41,000 SH Put SOLE   41,000 0 0
SELECT SECTOR SPDR TR SBI INT-INDS 81369Y704 2,433 37,400 SH Put DFND 1 37,400 0 0
SELECT SECTOR SPDR TR SBI INT-INDS 81369Y704 4,073 62,600 SH Put SOLE   62,600 0 0
SENSUS HEALTHCARE INC COM 81728J109 766 174,502 SH   DFND 1 174,502 0 0
SENSUS HEALTHCARE INC COM 81728J109 179 40,720 SH   SOLE   40,720 0 0
SENSUS HEALTHCARE INC *W EXP 06/08/201 81728J117 114 189,256 SH   DFND 1 189,256 0 0
SENSUS HEALTHCARE INC *W EXP 06/08/201 81728J117 25 42,000 SH   SOLE   42,000 0 0
SIGNET JEWELERS LIMITED SHS G81276100 914 13,200 SH Put DFND 1 13,200 0 0
SIGNET JEWELERS LIMITED SHS G81276100 1,510 21,800 SH Put SOLE   21,800 0 0
STAMPS COM INC COM NEW 852857200 592 5,000 SH Call SOLE   5,000 0 0
SUN HYDRAULICS CORP COM 866942105 1,411 39,080 SH   DFND 1 39,080 0 0
SUN HYDRAULICS CORP COM 866942105 945 26,183 SH   SOLE   26,183 0 0
TAKE-TWO INTERACTIVE SOFTWAR COM 874054109 481 8,116 SH   SOLE   8,116 0 0
TELENAV INC COM 879455103 499 57,668 SH   DFND 1 57,668 0 0
TELENAV INC COM 879455103 129 14,904 SH   SOLE   14,904 0 0
TERADYNE INC COM 880770102 949 30,514 SH   SOLE   30,514 0 0
TONIX PHARMACEUTICALS HLDG C COM 890260409 187 40,000 SH   SOLE   40,000 0 0
VERSO CORP CL A 92531L207 1,588 264,700 SH   DFND 1 264,700 0 0
VERSO CORP CL A 92531L207 1,016 169,300 SH   SOLE   169,300 0 0
VONAGE HLDGS CORP COM 92886T201 2,604 412,078 SH   DFND 1 412,078 0 0
VONAGE HLDGS CORP COM 92886T201 945 149,548 SH   SOLE   149,548 0 0
WEIBO CORP SPONSORED ADR 948596101 830 15,908 SH   DFND 1 15,908 0 0
WEIBO CORP SPONSORED ADR 948596101 1,257 24,092 SH   SOLE   24,092 0 0
WEIBO CORP SPONSORED ADR 948596101 924 17,700 SH Put DFND 1 17,700 0 0
WEIBO CORP SPONSORED ADR 948596101 1,685 32,300 SH Put SOLE   32,300 0 0
WESCO INTL INC COM 95082P105 697 10,018 SH   SOLE   10,018 0 0
WESTERN DIGITAL CORP COM 958102105 2,406 29,151 SH   DFND 1 29,151 0 0
WESTERN DIGITAL CORP COM 958102105 1,765 21,381 SH   SOLE   21,381 0 0
WILDHORSE RESOURCE DEV CORP COM 96812T102 934 75,115 SH   DFND 1 75,115 0 0
WILDHORSE RESOURCE DEV CORP COM 96812T102 241 19,362 SH   SOLE   19,362 0 0