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
ABBOTT LABS COM 002824100 240 4,500 SH   SOLE   4,500 0 0
ADOBE SYSTEMS INC COM COM 00724F101 1,492 10,000 SH   SOLE   10,000 0 0
ADVISORY BRD CO COM COM 00762W107 486 9,070 SH   SOLE   9,070 0 0
AKAMAI TECHNOLOGIES INC COM COM 00971T101 731 15,000 SH   SOLE   15,000 0 0
AKORN INC COM 009728106 19,092 575,219 SH   SOLE   575,219 0 0
ALAMOS GOLD INC NEW COM CL A COM 011532108 127 18,847 SH   SOLE   18,847 0 0
ALERE INC COM 01449J105 39,107 766,959 SH   SOLE   766,959 0 0
ALLERGAN PLC SHS COM G0177J108 369 1,800 SH   SOLE   1,800 0 0
ALTABA INC COM 021346101 34,915 527,094 SH   SOLE   527,094 0 0
AMD 2 1/8 9/1/26 CONVERTIBLE BOND 007903BD8 267 150,000 PRN   SOLE   150,000 0 0
AMERCIAN TOWER CORP 5.500 2/1 CONVERTIBLE PREF 03027X407 214 1,750 SH   SOLE   1,750 0 0
AMERICAN EXPRESS CO COM 025816109 253 2,800 SH   SOLE   2,800 0 0
APACHE CORP COM 037411105 710 15,500 SH   SOLE   15,500 0 0
AVIRAGEN THERAPEUTICS INC COM 053761102 154 224,477 SH   SOLE   224,477 0 0
AVISTA CORP COM COM 05379B107 1,035 20,000 SH   SOLE   20,000 0 0
BANCROFT FUND LTD COM MUTUAL FUNDS 059695106 1,213 55,400 SH   SOLE   55,400 0 0
BANK OF AMERICA COM 060505104 2,755 108,729 SH   SOLE   108,729 0 0
BANK OF NEW YORK MELLON CORP COM 064058100 954 18,000 SH   SOLE   18,000 0 0
BANKRATE INC DEL COM COM 06647F102 3,433 246,095 SH   SOLE   246,095 0 0
BARD C R INC COM COM 067383109 36,180 112,885 SH   SOLE   112,885 0 0
BMRN 1 1/2 10/15/20 CONVERTIBLE BOND 09061GAF8 210 175,000 PRN   SOLE   175,000 0 0
BOB EVANS FARMS INC COM COM 096761101 341 4,400 SH   SOLE   4,400 0 0
BROCADE COMMUNICATIONS SYS ICO COM 111621306 9,835 823,016 SH   SOLE   823,016 0 0
BTO CN 3 1/4 10/1/18 CONVERTIBLE BOND 11777QAB6 519 500,000 PRN   SOLE   500,000 0 0
CALGON CARBON CORP COM COM 129603106 3,827 178,841 SH   SOLE   178,841 0 0
CALPINE CORP COM NEW COM 131347304 8,084 548,060 SH   SOLE   548,060 0 0
CAPITAL BK FINL CORP CL A COM COM 139794101 17,301 421,473 SH   SOLE   421,473 0 0
CBS CORP CLASS A COM 124857103 540 9,242 SH   SOLE   9,242 0 0
CHARTER COMMUNICATIONS INC COM 16119P108 473 1,302 SH   SOLE   1,302 0 0
CHEVRON CORP COM 166764100 1,011 8,600 SH   SOLE   8,600 0 0
CHIPOTLE MEXICAN GRILL INC CL COM 169656105 2,001 6,500 SH   SOLE   6,500 0 0
CITIGROUP INC COM 172967424 582 8,000 SH   SOLE   8,000 0 0
CLEAR CHANNEL OUTDOOR HLDGS CL COM 18451C109 79 17,000 SH   SOLE   17,000 0 0
CLOVIS ONCOLOGY INC COM COM 189464100 2,423 29,400 SH   SOLE   29,400 0 0
COHEN & STEERS INC COM COM 19247A100 395 10,000 SH   SOLE   10,000 0 0
COMMUNITY HEALTH SYSTEMS-CVR WARRANT AND RIGH 203668116 5 471,530 SH   SOLE   471,530 0 0
CORCEPT THERAPEUTICS INC OC-CO COM 218352102 345 17,900 SH   SOLE   17,900 0 0
CU BANCORP CALIF COM COM 126534106 14,391 371,142 SH   SOLE   371,142 0 0
CURTISS WRIGHT CORP COM 231561101 523 5,000 SH   SOLE   5,000 0 0
DESTINATION MATERNITY CORP COM COM 25065D100 105 62,858 SH   SOLE   62,858 0 0
DEVON ENERGY CORP NEW COM 25179M103 852 23,200 SH   SOLE   23,200 0 0
DIGITALGLOBE INC COM NEW COM 25389M877 2,014 57,134 SH   SOLE   57,134 0 0
DISH NETWORK CORPORATION COM 25470M109 325 6,000 SH   SOLE   6,000 0 0
DOMINION DIAMOND CORP COM COM 257287102 8,570 604,392 SH   SOLE   604,392 0 0
EATON CORP PLC SHS COM G29183103 607 7,900 SH   SOLE   7,900 0 0
EDGEWELL PERS CARE CO COM 28035Q102 211 2,900 SH   SOLE   2,900 0 0
EVOLENT HEALTH INC CL A COM 30050B101 205 11,500 SH   SOLE   11,500 0 0
EXA CORP COM COM 300614500 2,246 92,900 SH   SOLE   92,900 0 0
FORESTAR GROUP INC COM COM 346233109 6,855 438,043 SH   SOLE   438,043 0 0
FORTRESS INVESTMENT GROUP CL A COM 34958B106 1,409 176,800 SH   SOLE   176,800 0 0
FREEPORT MCMORAN COPPER&GOLD C COM 35671D857 1,620 115,400 SH   SOLE   115,400 0 0
GABELLI DIV&INC TR COM MUTUAL FUNDS 36242H104 12,226 546,046 SH   SOLE   546,046 0 0
GABELLI GLB SML & MD CP VAL CO MUTUAL FUNDS 36249W104 698 52,773 SH   SOLE   52,773 0 0
GABELLI GLOBAL UTIL & INCOMECO MUTUAL FUNDS 36242L105 5,120 249,304 SH   SOLE   249,304 0 0
GABELLI GO ANYWHERE TRUST MUTUAL FUNDS 36250J109 1,665 97,920 SH   SOLE   97,920 0 0
GABELLI GOLD NAT RES & INCOM MUTUAL FUNDS 36465A109 61 10,913 SH   SOLE   10,913 0 0
GABELLI MULTIMEDIA TRST INC MUTUAL FUNDS 36239Q109 949 98,028 SH   SOLE   98,028 0 0
GAMCO INVESTORS INC COM PRIVATE INVESTME 361438104 130,737 4,393,055 SH   SOLE   4,393,055 0 0
GAMCO NAT RESOURCE GOLD X MUTUAL FUNDS 36465E101 73 10,386 SH   SOLE   10,386 0 0
GDL FUND MUTUAL FUNDS 361570104 15,404 1,510,154 SH   SOLE   1,510,154 0 0
GENERAL COMMUNICATIONS INC CL COM 369385109 7,360 180,439 SH   SOLE   180,439 0 0
GENERAL ELEC CO COM 369604103 786 32,500 SH   SOLE   32,500 0 0
GENWORTH FINL INC COM CL A COM 37247D106 193 50,175 SH   SOLE   50,175 0 0
GRIFOLS SA SP ADR REP B NVT COM 398438408 5,761 263,175 SH   SOLE   263,175 0 0
GRUPO TELEVISA SA DE CV ADR (B COM 40049J206 321 13,000 SH   SOLE   13,000 0 0
GYRODYNE LLC COM COM 403829104 1,915 87,994 SH   SOLE   87,994 0 0
HC2 HLDGS INC COM COM 404139107 196 37,100 SH   SOLE   37,100 0 0
HEWLETT PACKARD ENTERPRISE CCO COM 42824C109 2,749 186,907 SH   SOLE   186,907 0 0
HSN INC COM COM 404303109 8,368 214,300 SH   SOLE   214,300 0 0
I AM CAP ACQUISITUION CO UNIT UNITS 45074Q207 2,050 200,000 SH   SOLE   200,000 0 0
ICAHN ENTERPRISES LP DEPOSITRY COM 451100101 411 7,500 SH   SOLE   7,500 0 0
INCYTE GENOMICS INC COM COM 45337C102 1,658 14,200 SH   SOLE   14,200 0 0
INDUSTREA ACQUISITION CORP CL COM 45579J104 5,849 600,482 SH   SOLE   600,482 0 0
INDUSTREA ACQUISITION CORP WT WARRANT AND RIGH 45579J112 240 600,482 SH   SOLE   600,482 0 0
INTEL CORP 3.25 8139 144A CONVERTIBLE BOND 458140AF7 325 175,000 PRN   SOLE   175,000 0 0
INTERACTIVE BROKERS COM 45841N107 1,486 33,000 SH   SOLE   33,000 0 0
INTERNAP NETWORK SVCS CORP COM COM 45885A300 435 100,000 SH   SOLE   100,000 0 0
IONS 1.000 11 15 21 CONVERTIBLE BOND 464337AJ3 532 500,000 PRN   SOLE   500,000 0 0
IXYS CORP DEL COM COM 46600W106 6,776 285,900 SH   SOLE   285,900 0 0
KINDRED HEALTHCARE INC COM COM 494580103 311 45,763 SH   SOLE   45,763 0 0
KITE PHARMA INC COM COM 49803L109 40,687 226,276 SH   SOLE   226,276 0 0
KKR & CO. L.P COM 48248M102 2,448 120,410 SH   SOLE   120,410 0 0
LATTICE SEMICONDUCTOR CORP COM COM 518415104 1,964 377,034 SH   SOLE   377,034 0 0
LENNAR B SHARES COM 526057302 6,598 146,357 SH   SOLE   146,357 0 0
LEVEL 3 COMM COM 52729N308 17,961 337,043 SH   SOLE   337,043 0 0
LIBERTY BRAVES GROUP C COM 531229888 287 11,339 SH   SOLE   11,339 0 0
LIBERTY EXPEDIA HOLDINGS SER A COM 53046P109 361 6,800 SH   SOLE   6,800 0 0
LIBERTY GLOBAL PLC SHS CL A COM G5480U104 662 19,524 SH   SOLE   19,524 0 0
LIBERTY GLOBAL PLC SHS CL C COM G5480U120 1,555 47,567 SH   SOLE   47,567 0 0
LIBERTY SIRIUS GROUP C COM 531229607 24,846 593,400 SH   SOLE   593,400 0 0
LIBERTY VENTURES - SER A COM 53071M856 552 9,600 SH   SOLE   9,600 0 0
LORAL SPACE & COMMUNICATNS ICO COM 543881106 6,206 125,368 SH   SOLE   125,368 0 0
MIC 2.875 07/15/19 CONVERTIBLE BOND 55608BAA3 346 325,000 PRN   SOLE   325,000 0 0
MICROSOFT CORP COM 594918104 745 10,000 SH   SOLE   10,000 0 0
MIMEDX GROUP INC COM COM 602496101 119 10,000 SH   SOLE   10,000 0 0
MODERN MEDIA ACQUISITION COM COM 60765P103 1,714 175,600 SH   SOLE   175,600 0 0
MONDELEZ INTERNATIONAL COM 609207105 626 15,400 SH   SOLE   15,400 0 0
MONEYGRAM INTERNATIONAL INC CO COM 60935Y208 2,370 147,102 SH   SOLE   147,102 0 0
MONSANTO CO NEW COM COM 61166W101 18,279 152,558 SH   SOLE   152,558 0 0
MUELLER INDS INC COM COM 624756102 227 6,500 SH   SOLE   6,500 0 0
MUELLER WATER PRODUCTS INC COM 624758108 154 12,000 SH   SOLE   12,000 0 0
NASDAQ STOCK MARKET INC COM COM 631103108 233 3,000 SH   SOLE   3,000 0 0
NATIONAL ENERGY SERVICES REUSH COM G6375R107 5,471 568,707 SH   SOLE   568,707 0 0
NATIONAL FUEL GAS CO N J COM COM 636180101 323 5,700 SH   SOLE   5,700 0 0
NEFF CORP COM CL A COM 640094207 2,181 87,252 SH   SOLE   87,252 0 0
NEURODERM LTD ORD SHS COM M74231107 14,181 364,548 SH   SOLE   364,548 0 0
NEW YORK REIT INC COM CONVERTIBLE PREF 64976L109 7,051 898,194 SH   SOLE   898,194 0 0
NEWMONT MINING CORP HOLDING CO COM 651639106 338 9,000 SH   SOLE   9,000 0 0
NXP SEMICONDUCTORS N V COM COM N6596X109 52,204 461,612 SH   SOLE   461,612 0 0
NXSTAGE MEDICAL INC COM COM 67072V103 7,073 256,282 SH   SOLE   256,282 0 0
OPKO HEALTH INC COM COM 68375N103 69 10,000 SH   SOLE   10,000 0 0
ORBITAL ATK INC COM COM 68557N103 8,637 64,859 SH   SOLE   64,859 0 0
PACIFIC CONTINENTAL CORP COM COM 69412V108 9,479 351,735 SH   SOLE   351,735 0 0
PANDORA MEDIA INC COM COM 698354107 595 77,300 SH   SOLE   77,300 0 0
PAREXEL INTL CORP COM COM 699462107 10,588 120,214 SH   SOLE   120,214 0 0
PARKWAY INC COM 70156Q107 2,841 123,363 SH   SOLE   123,363 0 0
PDCE 1 1/8 9/15/21 CONVERTIBLE BOND 69327RAD3 366 375,000 PRN   SOLE   375,000 0 0
PEPSICO INC COM 713448108 1,114 10,000 SH   SOLE   10,000 0 0
PHARMERICA CORP COM COM 71714F104 3,617 123,444 SH   SOLE   123,444 0 0
PHH CORP COM NEW COM 693320202 716 51,417 SH   SOLE   51,417 0 0
PNC FINANCIAL CORP COM 693475105 485 3,600 SH   SOLE   3,600 0 0
POST HOLDINGS INC COM 737446104 1,324 15,000 SH   SOLE   15,000 0 0
PROSHARES TRUST ULTRASHORT SP5 ETF - EQUITY 74347B383 1,166 25,000 SH   SOLE   25,000 0 0
RICE ENERGY INC COM COM 762760106 19,458 672,350 SH   SOLE   672,350 0 0
RITE AID CORP COM COM 767754104 3,227 1,646,377 SH   SOLE   1,646,377 0 0
ROCKWELL COLLINS INC COM COM 774341101 2,761 21,123 SH   SOLE   21,123 0 0
ROYAL BANCSHARES PA INC CL A COM 780081105 999 224,048 SH   SOLE   224,048 0 0
RYMAN HOSPITALITY PPTYS INC CO COM 78377T107 1,025 16,395 SH   SOLE   16,395 0 0
SCICLONE PHARMACEUTICALS INCCO COM 80862K104 753 67,261 SH   SOLE   67,261 0 0
SCRIPPS E W CO OHIO CL A COM 811054402 229 12,000 SH   SOLE   12,000 0 0
SCRIPPS NETWORKS INTERAC COM 811065101 5,102 59,400 SH   SOLE   59,400 0 0
SHIRE PLC ADR COM 82481R106 230 1,500 SH   SOLE   1,500 0 0
SILVER SPRING NETWORKS INC COM COM 82817Q103 2,332 144,194 SH   SOLE   144,194 0 0
SNYDERS LANCE INC COM COM 833551104 534 14,000 SH   SOLE   14,000 0 0
SOCIAL CAPITAL HEDOSOPHIE HO COM G8250R111 271 25,700 SH   SOLE   25,700 0 0
SONY CORP-ADR (B:SNE US) COM 835699307 934 25,000 SH   SOLE   25,000 0 0
SPARTON CORP COM COM 847235108 2,882 124,169 SH   SOLE   124,169 0 0
SPDR S&P 500 ETF TR COM 78462F903 490 100 SH Put SOLE   0 0 0
SPWR 4 1/15/23 CONVERTIBLE BOND 867652AL3 166 200,000 PRN   SOLE   200,000 0 0
STARWOOD WAYPOINT HOMES COM REAL ESTATE INVE 85572F105 1,134 31,189 SH   SOLE   31,189 0 0
STATE NATL COS INC COM COM 85711T305 2,185 104,100 SH   SOLE   104,100 0 0
STRAIGHT PATH COMMUNICATNS ICL COM 862578101 6,660 36,861 SH   SOLE   36,861 0 0
SUNSHINE BANCORP INC COM COM 86777J108 1,743 75,000 SH   SOLE   75,000 0 0
TELEPHONE & DATA SYS COM 879433829 446 16,000 SH   SOLE   16,000 0 0
TERRAFORM GLOBAL INC CL A COM 88104M101 11,166 2,350,819 SH   SOLE   2,350,819 0 0
TESCO CORP COM COM 88157K101 77 14,198 SH   SOLE   14,198 0 0
TESLA MOTORS 1.250 03/1/21 CONVERTIBLE BOND 88160RAC5 282 250,000 PRN   SOLE   250,000 0 0
TEXAS INSTRUMENTS INC COM 882508104 242 2,700 SH   SOLE   2,700 0 0
TEXTRON INC COM 883203101 210 3,900 SH   SOLE   3,900 0 0
TIME WARNER INC COM COM 887317303 38,312 373,956 SH   SOLE   373,956 0 0
TRIBUNE MEDIA CO - A COM 896047503 7,220 176,695 SH   SOLE   176,695 0 0
TWENTY FIRST CENTY FOX B COM 90130A200 490 19,000 SH   SOLE   19,000 0 0
TWO 6 1/4 1/15/22 CONVERTIBLE BOND 90187BAA9 533 500,000 PRN   SOLE   500,000 0 0
UNITED STATES CELLULAR CORP COM 911684108 361 10,200 SH   SOLE   10,200 0 0
VEON LTD ADR COM 91822M106 50 12,000 SH   SOLE   12,000 0 0
VERIZON COMMUNICATIONS COM 92343V104 1,485 30,000 SH   SOLE   30,000 0 0
VIACOM INC NEW CL A COM 92553P102 411 11,200 SH   SOLE   11,200 0 0
VIDEOCON D2H LTD ADR COM 92657J101 166 18,690 SH   SOLE   18,690 0 0
VWR CORP COM 91843L103 17,773 536,795 SH   SOLE   536,795 0 0
WEATHERFORD INTERNATIONAL PLC COM G48833100 221 48,300 SH   SOLE   48,300 0 0
WELLS FARGO CV PFD L 7.500 CONVERTIBLE PREF 949746804 329 250 SH   SOLE   250 0 0
WELLS FARGO & CO NEW COM 949746101 4,516 81,893 SH   SOLE   81,893 0 0
WEST CORP COM COM 952355204 7,528 320,765 SH   SOLE   320,765 0 0
WESTAR ENERGY INC COM 95709T100 11,176 225,332 SH   SOLE   225,332 0 0
WGL HLDGS INC COM COM 92924F106 3,410 40,500 SH   SOLE   40,500 0 0
XCERRA CORP COM COM 98400J108 2,323 235,835 SH   SOLE   235,835 0 0
XYLEM INC COM 98419M100 213 3,400 SH   SOLE   3,400 0 0