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 219 4,500 SH   SOLE   4,500 0 0
ADOBE SYSTEMS INC COM COM 00724F101 1,414 10,000 SH   SOLE   10,000 0 0
AKAMAI TECHNOLOGIES INC COM COM 00971T101 747 15,000 SH   SOLE   15,000 0 0
AKORN INC COM 009728106 9,707 289,426 SH   SOLE   289,426 0 0
ALAMOS GOLD INC NEW COM CL A COM 011532108 135 18,847 SH   SOLE   18,847 0 0
ALBANY MOLECULAR RESEARCH COM 012423109 1,060 48,859 SH   SOLE   48,859 0 0
ALERE INC COM 01449J105 33,245 662,383 SH   SOLE   662,383 0 0
ALLERGAN PLC SHS COM G0177J108 438 1,800 SH   SOLE   1,800 0 0
ALLIED WRLD ASSUR COM HLDG ASH COM H01531104 23,192 438,420 SH   SOLE   438,420 0 0
ALTABA INC COM 021346101 31,184 572,394 SH   SOLE   572,394 0 0
AMD 2 1/8 9/1/26 CONVERTIBLE BOND 007903BD8 263 150,000 PRN   SOLE   150,000 0 0
AMERCIAN TOWER CORP 5.500 2/1 CONVERTIBLE PREF 03027X407 212 1,750 SH   SOLE   1,750 0 0
AMERICAN EXPRESS CO COM 025816109 236 2,800 SH   SOLE   2,800 0 0
APACHE CORP COM 037411105 743 15,500 SH   SOLE   15,500 0 0
ARI NETWORK SVCS INC COM NEW COM 001930205 845 119,873 SH   SOLE   119,873 0 0
ASTORIA FINL CORP COM COM 046265104 798 39,612 SH   SOLE   39,612 0 0
AVIRAGEN THERAPEUTICS INC COM 053761102 150 224,477 SH   SOLE   224,477 0 0
AVISTA CORP COM COM 05379B107 849 20,000 SH   SOLE   20,000 0 0
BANCROFT FUND LTD COM MUTUAL FUNDS 059695106 1,201 55,400 SH   SOLE   55,400 0 0
BANK OF AMERICA COM 060505104 2,638 108,729 SH   SOLE   108,729 0 0
BANK OF NEW YORK MELLON CORP COM 064058100 969 19,000 SH   SOLE   19,000 0 0
BARD C R INC COM COM 067383109 31,037 98,185 SH   SOLE   98,185 0 0
BIOMARIN PHARMACEUTICAL INC CO COM 09061G101 713 7,850 SH   SOLE   7,850 0 0
BROCADE COMMUNICATIONS SYS ICO COM 111621306 11,128 882,448 SH   SOLE   882,448 0 0
BTO CN 3 1/4 10/1/18 CONVERTIBLE BOND 11777QAB6 529 500,000 PRN   SOLE   500,000 0 0
CABELAS INC- CL A COM COM 126804301 19,297 324,757 SH   SOLE   324,757 0 0
CARDCONNECT CORP COM COM 14141X108 2,230 148,200 SH   SOLE   148,200 0 0
CBS CORP CLASS A COM 124857103 625 9,642 SH   SOLE   9,642 0 0
CHARTER COMMUNICATIONS INC COM 16119P108 439 1,302 SH   SOLE   1,302 0 0
CHEVRON CORP COM 166764100 897 8,600 SH   SOLE   8,600 0 0
CHIPOTLE MEXICAN GRILL INC CL COM 169656105 2,705 6,500 SH   SOLE   6,500 0 0
CITIGROUP INC COM 172967424 535 8,000 SH   SOLE   8,000 0 0
CLEAR CHANNEL OUTDOOR HLDGS CL COM 18451C109 82 17,000 SH   SOLE   17,000 0 0
CLOVIS ONCOLOGY INC COM COM 189464100 1,938 20,700 SH   SOLE   20,700 0 0
COHEN & STEERS INC COM COM 19247A100 426 10,500 SH   SOLE   10,500 0 0
COMMUNITY HEALTH SYSTEMS-CVR WARRANT AND RIGH 203668116 9 471,530 SH   SOLE   471,530 0 0
CORCEPT THERAPEUTICS INC OC-CO COM 218352102 260 22,000 SH   SOLE   22,000 0 0
COVISINT CORP COM 22357R103 76 30,900 SH   SOLE   30,900 0 0
CU BANCORP CALIF COM COM 126534106 10,364 286,700 SH   SOLE   286,700 0 0
CURTISS WRIGHT CORP COM 231561101 459 5,000 SH   SOLE   5,000 0 0
DESTINATION MATERNITY CORP COM COM 25065D100 280 86,548 SH   SOLE   86,548 0 0
DEVON ENERGY CORP NEW COM 25179M103 742 23,200 SH   SOLE   23,200 0 0
DIGI INTL INC COM COM 253798102 425 41,896 SH   SOLE   41,896 0 0
DIGITALGLOBE INC COM NEW COM 25389M877 4,221 126,754 SH   SOLE   126,754 0 0
DISH NETWORK CORPORATION COM 25470M109 358 5,700 SH   SOLE   5,700 0 0
DOMINION DIAMOND CORP COM COM 257287102 5,818 463,242 SH   SOLE   463,242 0 0
DOW CHEMICAL CORP COM 260543103 15,616 247,598 SH   SOLE   247,598 0 0
EATON CORP PLC SHS COM G29183103 615 7,900 SH   SOLE   7,900 0 0
EDGEWELL PERS CARE CO COM 28035Q102 236 3,100 SH   SOLE   3,100 0 0
ENERNOC INC COM COM 292764107 1,260 162,600 SH   SOLE   162,600 0 0
ENVISION HEALTHCARE CORP COM 29414D100 251 4,000 SH   SOLE   4,000 0 0
FELCOR LODGING TR INC COM COM 31430F101 717 99,501 SH   SOLE   99,501 0 0
FORESTAR GROUP INC COM COM 346233109 7,512 438,043 SH   SOLE   438,043 0 0
FORTRESS INVESTMENT GROUP CL A COM 34958B106 1,044 130,700 SH   SOLE   130,700 0 0
FREEPORT MCMORAN COPPER&GOLD C COM 35671D857 1,386 115,400 SH   SOLE   115,400 0 0
GABELLI DIV&INC TR COM MUTUAL FUNDS 36242H104 11,738 537,951 SH   SOLE   537,951 0 0
GABELLI GLB SML & MD CP VAL CO MUTUAL FUNDS 36249W104 652 52,773 SH   SOLE   52,773 0 0
GABELLI GLOBAL UTIL & INCOMECO MUTUAL FUNDS 36242L105 4,972 245,703 SH   SOLE   245,703 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 59 10,621 SH   SOLE   10,621 0 0
GABELLI MULTIMEDIA TRST INC MUTUAL FUNDS 36239Q109 857 95,814 SH   SOLE   95,814 0 0
GAMCO INVESTORS INC COM PRIVATE INVESTME 361438104 130,034 4,393,055 SH   SOLE   4,393,055 0 0
GAMCO NAT RESOURCE GOLD X MUTUAL FUNDS 36465E101 69 10,169 SH   SOLE   10,169 0 0
GAS NAT INC COM COM 367204104 998 77,200 SH   SOLE   77,200 0 0
GDL FUND MUTUAL FUNDS 361570104 15,257 1,486,993 SH   SOLE   1,486,993 0 0
GENERAL COMMUNICATIONS INC CL COM 369385109 6,503 177,472 SH   SOLE   177,472 0 0
GENERAL ELEC CO COM 369604103 608 22,500 SH   SOLE   22,500 0 0
GENWORTH FINL INC COM CL A COM 37247D106 282 74,875 SH   SOLE   74,875 0 0
GLOBAL SOURCES LTD COM COM G39300101 737 36,835 SH   SOLE   36,835 0 0
GRIFOLS SA SP ADR REP B NVT COM 398438408 621 29,400 SH   SOLE   29,400 0 0
GRUPO TELEVISA SA DE CV ADR (B COM 40049J206 317 13,000 SH   SOLE   13,000 0 0
GULFMARK OFFSHORE INC CL A NEW COM 402629208 4 20,000 SH   SOLE   20,000 0 0
GYRODYNE LLC COM COM 403829104 1,804 87,994 SH   SOLE   87,994 0 0
HC2 HLDGS INC COM COM 404139107 218 37,100 SH   SOLE   37,100 0 0
HEWLETT PACKARD ENTERPRISE CCO COM 42824C109 2,444 147,315 SH   SOLE   147,315 0 0
ICAHN ENTERPRISES LP DEPOSITRY COM 451100101 387 7,500 SH   SOLE   7,500 0 0
INCYTE GENOMICS INC COM COM 45337C102 3,664 29,100 SH   SOLE   29,100 0 0
INNOCOLL HLDGS PLC SHS COM G4783X105 802 351,666 SH   SOLE   351,666 0 0
INTEL CORP 3.25 8/1/39 144A CONVERTIBLE BOND 458140AF7 290 175,000 PRN   SOLE   175,000 0 0
INTERACTIVE BROKERS COM 45841N107 1,272 34,000 SH   SOLE   34,000 0 0
INTERNAP NETWORK SVCS CORP COM COM 45885A300 427 116,300 SH   SOLE   116,300 0 0
INTERNATIONAL GAME TECH PLC SH COM G4863A108 283 15,457 SH   SOLE   15,457 0 0
INTRAWEST RESORTS HLDGS INC CO COM 46090K109 517 21,784 SH   SOLE   21,784 0 0
IONS 1.000 11/15/21 CONVERTIBLE BOND 464337AJ3 533 500,000 PRN   SOLE   500,000 0 0
KATE SPADE & CO COM COM 485865109 19,179 1,037,252 SH   SOLE   1,037,252 0 0
KCG HLDGS INC CL A COM 48244B100 615 30,834 SH   SOLE   30,834 0 0
KINDRED HEALTHCARE INC COM COM 494580103 512 43,953 SH   SOLE   43,953 0 0
KKR & CO. L.P COM 48248M102 2,240 120,410 SH   SOLE   120,410 0 0
LATTICE SEMICONDUCTOR CORP COM COM 518415104 2,433 365,315 SH   SOLE   365,315 0 0
LENNAR B SHARES COM 526057302 8,625 191,802 SH   SOLE   191,802 0 0
LEVEL 3 COMM COM 52729N308 18,065 304,643 SH   SOLE   304,643 0 0
LIBERTY BRAVES GROUP C COM 531229888 272 11,339 SH   SOLE   11,339 0 0
LIBERTY EXPEDIA HOLDINGS SER A COM 53046P109 367 6,800 SH   SOLE   6,800 0 0
LIBERTY GLOBAL PLC SHS CL A COM G5480U104 627 19,524 SH   SOLE   19,524 0 0
LIBERTY GLOBAL PLC SHS CL C COM G5480U120 1,490 47,799 SH   SOLE   47,799 0 0
LIBERTY INTERACTIVE CORP LBT V COM 53071M856 533 10,200 SH   SOLE   10,200 0 0
LIBERTY SIRIUS GROUP C COM 531229607 24,745 593,400 SH   SOLE   593,400 0 0
LORAL SPACE & COMMUNICATNS ICO COM 543881106 5,134 123,568 SH   SOLE   123,568 0 0
MACYS INC COM 55616P954 160 100 SH Put SOLE   0 0 0
MBIA INC COM 55262C100 358 38,000 SH   SOLE   38,000 0 0
MIC 2.875 07/15/19 CORPORATE BONDS 55608BAA3 360 325,000 PRN   SOLE   325,000 0 0
MICROSOFT CORP COM 594918104 689 10,000 SH   SOLE   10,000 0 0
MOBILEYE NV COM N51488117 40,186 639,907 SH   SOLE   639,907 0 0
MONDELEZ INTERNATIONAL COM 609207105 665 15,400 SH   SOLE   15,400 0 0
MONEYGRAM INTERNATIONAL INC CO COM 60935Y208 5,018 290,891 SH   SOLE   290,891 0 0
MONSANTO CO NEW COM COM 61166W101 16,719 141,258 SH   SOLE   141,258 0 0
MUELLER WATER PRODUCTS INC COM 624758108 140 12,000 SH   SOLE   12,000 0 0
NASDAQ STOCK MARKET INC COM COM 631103108 214 3,000 SH   SOLE   3,000 0 0
NATIONAL ENERGY SERVICES REUSH COM G6375R107 1,641 171,800 SH   SOLE   171,800 0 0
NATIONAL FUEL GAS CO N J COM COM 636180101 318 5,700 SH   SOLE   5,700 0 0
NEUSTAR INC CL A COM 64126X201 11,340 340,037 SH   SOLE   340,037 0 0
NEW YORK REIT INC COM CONVERTIBLE PREF 64976L109 4,135 478,534 SH   SOLE   478,534 0 0
NEWMONT MINING CORP HOLDING CO COM 651639106 324 10,000 SH   SOLE   10,000 0 0
NEXVET BIOPHARMA PUB LTD CO OR COM G6503X109 476 71,100 SH   SOLE   71,100 0 0
NORD ANGLIA EDUCATION INC SHS COM G6583A102 1,452 44,581 SH   SOLE   44,581 0 0
NOVADAQ TECHNOLOGIES INC COM COM 66987G102 255 21,800 SH   SOLE   21,800 0 0
NUTRACEUTICAL INTL CORP COM COM 67060Y101 6,806 163,420 SH   SOLE   163,420 0 0
NXP SEMICONDUCTORS N V COM COM N6596X109 53,500 488,812 SH   SOLE   488,812 0 0
ONEBEACON INSURANCE GROUP LTCL COM G67742109 1,908 104,659 SH   SOLE   104,659 0 0
OPKO HEALTH INC COM COM 68375N103 66 10,000 SH   SOLE   10,000 0 0
PACIFIC CONTINENTAL CORP COM COM 69412V108 8,987 351,735 SH   SOLE   351,735 0 0
PANDORA MEDIA INC COM COM 698354107 1,375 154,200 SH   SOLE   154,200 0 0
PANERA BREAD COMPANY-CL A COM 69840W108 35,364 112,396 SH   SOLE   112,396 0 0
PAREXEL INTL CORP COM COM 699462107 11,086 127,560 SH   SOLE   127,560 0 0
PATHEON NV COM N6865W105 12,424 356,188 SH   SOLE   356,188 0 0
PDCE 1 1/8 9/15/21 CONVERTIBLE BOND 69327RAD3 342 375,000 PRN   SOLE   375,000 0 0
PEPSICO INC COM 713448108 1,155 10,000 SH   SOLE   10,000 0 0
PHH CORP COM NEW COM 693320202 568 41,223 SH   SOLE   41,223 0 0
PNC FINANCIAL CORP COM 693475105 499 4,000 SH   SOLE   4,000 0 0
POST HOLDINGS INC COM 737446104 1,165 15,000 SH   SOLE   15,000 0 0
PROSHARES TRUST PSHS ULSHT SP5 ETF - EQUITY 74347B300 1,268 100,000 SH   SOLE   100,000 0 0
REYNOLDS AMERICAN INC COM 761713106 25,548 392,798 SH   SOLE   392,798 0 0
RICE ENERGY INC COM COM 762760106 13,481 506,250 SH   SOLE   506,250 0 0
RITE AID CORP COM COM 767754104 5,513 1,868,755 SH   SOLE   1,868,755 0 0
ROYAL BANCSHARES PA INC CL A COM 780081105 880 207,950 SH   SOLE   207,950 0 0
RYMAN HOSPITALITY PPTYS INC CO COM 78377T107 1,049 16,395 SH   SOLE   16,395 0 0
SCICLONE PHARMACEUTICALS INCCO COM 80862K104 1,125 102,261 SH   SOLE   102,261 0 0
SCRIPPS E W CO OHIO CL A COM 811054402 214 12,000 SH   SOLE   12,000 0 0
SFL 5 3/4 10/15/21 CONVERTIBLE BOND G81075AF3 385 400,000 PRN   SOLE   400,000 0 0
SNYDERS LANCE INC COM COM 833551104 537 15,500 SH   SOLE   15,500 0 0
SONY CORP-ADR (B:SNE US) COM 835699307 955 25,000 SH   SOLE   25,000 0 0
SPECTRANETICS CORP COM COM 84760C107 9,459 246,327 SH   SOLE   246,327 0 0
SPWR 4 1/15/23 CONVERTIBLE BOND 867652AL3 175 200,000 PRN   SOLE   200,000 0 0
STONEGATE BK FT LAUDERDALE FCO COM 861811107 2,501 54,166 SH   SOLE   54,166 0 0
STRAIGHT PATH COMMUNICATNS ICL COM 862578101 4,951 27,561 SH   SOLE   27,561 0 0
SYNERON MEDICAL LTD ORD SHS COM M87245102 1,071 97,775 SH   SOLE   97,775 0 0
TEGNA INC COM COM 87901J105 526 36,400 SH   SOLE   36,400 0 0
TELEPHONE & DATA SYS COM 879433829 444 16,000 SH   SOLE   16,000 0 0
TERRAFORM GLOBAL INC CL A COM 88104M101 10,876 2,153,619 SH   SOLE   2,153,619 0 0
TESLA MOTORS 1.250 03/1/21 CONVERTIBLE BOND 88160RAC5 581 500,000 PRN   SOLE   500,000 0 0
TEXAS INSTRUMENTS INC COM 882508104 208 2,700 SH   SOLE   2,700 0 0
TIME WARNER INC COM COM 887317303 33,914 337,756 SH   SOLE   337,756 0 0
TRIBUNE MEDIA CO - A COM 896047503 7,326 179,695 SH   SOLE   179,695 0 0
TWENTY FIRST CENTY FOX B COM 90130A200 530 19,000 SH   SOLE   19,000 0 0
TWO 6 1/4 1/15/22 CONVERTIBLE BOND 90187BAA9 527 500,000 PRN   SOLE   500,000 0 0
UNITED STATES CELLULAR CORP COM 911684108 391 10,200 SH   SOLE   10,200 0 0
VCA ANTECH INC COM COM 918194101 27,163 294,263 SH   SOLE   294,263 0 0
VEON LTD ADR COM 91822M106 47 12,000 SH   SOLE   12,000 0 0
VERIZON COMMUNICATIONS COM 92343V104 1,340 30,000 SH   SOLE   30,000 0 0
VIACOM INC NEW CL A COM 92553P102 426 11,200 SH   SOLE   11,200 0 0
VWR CORP COM 91843L103 7,214 218,554 SH   SOLE   218,554 0 0
WEATHERFORD INTERNATIONAL PLC COM G48833100 128 33,000 SH   SOLE   33,000 0 0
WELLS FARGO CV PFD L 7.500 CONVERTIBLE PREF 949746804 328 250 SH   SOLE   250 0 0
WELLS FARGO & CO NEW COM 949746101 4,529 81,743 SH   SOLE   81,743 0 0
WEST CORP COM COM 952355204 7,373 316,165 SH   SOLE   316,165 0 0
WESTAR ENERGY INC COM 95709T100 12,229 230,648 SH   SOLE   230,648 0 0
WGL HLDGS INC COM COM 92924F106 3,379 40,500 SH   SOLE   40,500 0 0
WHOLE FOODS MKT INC COM COM 966837106 9,464 224,755 SH   SOLE   224,755 0 0
XACTLY CORP COM COM 98386L101 1,038 66,303 SH   SOLE   66,303 0 0
XCERRA CORP COM COM 98400J108 2,535 259,457 SH   SOLE   259,457 0 0
XYLEM INC COM 98419M100 222 4,000 SH   SOLE   4,000 0 0