Gabelli Securities

Gabelli Securities as of March 31, 2011

Portfolio Holdings for Gabelli Securities

Gabelli Securities holds 178 positions in its portfolio as reported in the March 2011 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
Dionex Corporation 6.7 $24M 206k 118.05
Genzyme Corporation 6.4 $23M 304k 76.16
Bucyrus International 6.1 $22M 241k 91.45
Alberto-Culver Company 5.9 $21M 572k 37.27
Atheros Communications 5.3 $19M 431k 44.66
Beckman Coulter 5.2 $19M 226k 83.07
Lubrizol Corporation 4.8 $17M 129k 133.96
Massey Energy Company 3.5 $13M 184k 68.36
Terremark Worldwide 3.2 $12M 604k 19.00
Emergency Medical Services Corporation 2.3 $8.3M 130k 63.59
Pride International 2.2 $8.1M 188k 42.95
L-1 Identity Solutions 2.1 $7.5M 636k 11.78
Verigy 2.0 $7.1M 501k 14.09
Novell 1.9 $7.0M 1.2M 5.93
Hughes Communications 1.6 $5.6M 94k 59.67
Hypercom Corporation (HYC) 1.4 $5.0M 417k 12.03
Alcon 1.3 $4.8M 29k 165.52
Greif (GEF.B) 1.2 $4.4M 72k 61.60
Qwest Communications International 1.2 $4.3M 629k 6.83
AirTran Holdings 1.0 $3.7M 503k 7.45
Cms Energy Corp note 2.875%12/0 0.9 $3.1M 2.1M 1.53
NaviSite 0.9 $3.1M 565k 5.49
Wimm-Bill-Dann Foods OJSC 0.8 $3.1M 91k 33.47
Marshall & Ilsley Corporation 0.8 $2.9M 368k 7.99
GSI Commerce 0.8 $3.0M 101k 29.27
Discovery Communications 0.8 $2.9M 82k 35.21
Sterling Bancshares 0.8 $2.8M 323k 8.61
Wells Fargo & Company (WFC) 0.7 $2.6M 82k 31.70
TomoTherapy Incorporated 0.7 $2.4M 523k 4.57
Ladish 0.6 $2.3M 42k 54.64
Danvers Ban (DNBK) 0.6 $2.3M 108k 21.42
NovaMed 0.6 $2.3M 173k 13.20
Sara Lee 0.6 $2.2M 127k 17.67
NewAlliance Bancshares 0.6 $2.1M 143k 14.84
Spectrum Control 0.6 $2.1M 108k 19.68
RC2 Corporation 0.6 $2.1M 75k 28.10
Chipotle Mexican Grill (CMG) 0.6 $2.1M 7.8k 272.31
Telephone & Data Sys Inc spl 0.6 $2.1M 71k 29.52
Smurfit-stone Container Corp 0.6 $2.1M 54k 38.65
Medtronic Inc note 1.625% 4/1 0.6 $2.1M 2.0M 1.03
K-Sea Transportation Partners 0.6 $2.0M 240k 8.18
America Service (ASGR) 0.5 $1.8M 71k 25.65
RehabCare 0.5 $1.8M 48k 36.87
EXCO Resources 0.5 $1.7M 80k 20.66
Wilmington Trust Corporation 0.5 $1.6M 364k 4.52
Talecris Biotherapeutics Holdings 0.5 $1.7M 62k 26.79
Cephalon 0.5 $1.6M 21k 76.07
Duncan Energy Partners (DEP) 0.5 $1.6M 40k 40.51
Wesco Financial Corporation 0.4 $1.6M 4.1k 389.19
Sandisk Corp note 1.000% 5/1 0.4 $1.5M 1.6M 0.98
ITT Corporation 0.4 $1.6M 26k 60.04
Bank of America Corporation (BAC) 0.4 $1.4M 109k 13.33
Conexant Systems 0.4 $1.4M 603k 2.39
Rural/Metro Corporation 0.4 $1.4M 82k 17.04
Freeport-McMoRan Copper & Gold (FCX) 0.4 $1.4M 25k 55.56
Masco Corp debt 0.4 $1.3M 2.5M 0.53
Universal American Corporation 0.4 $1.3M 56k 22.92
Clinical Data (CLDA) 0.3 $1.2M 41k 30.31
WuXi PharmaTech 0.3 $1.1M 72k 15.45
Charles Riv Labs Intl Inc note 2.250% 6/1 0.3 $1.1M 1.1M 1.04
Micron Technology Inc note 1.875% 6/0 0.3 $1.1M 1.0M 1.09
Comcast Corporation 0.3 $1.1M 47k 23.21
Dollar Thrifty Automotive 0.3 $1.1M 16k 66.71
Casey's General Stores (CASY) 0.3 $1.1M 27k 38.99
Ciena Corp note 0.250% 5/0 0.3 $1.0M 1.0M 1.02
Global Defense Tech Sys 0.3 $993k 41k 24.22
Globe Specialty Metals 0.3 $967k 43k 22.75
Lucent Technologies Inc dbcv 2.875% 6/1 0.3 $970k 1.0M 0.97
NYSE Euronext 0.3 $950k 27k 35.19
CNA Surety Corporation 0.2 $844k 33k 25.27
Pennichuck Corporation (PNNW) 0.2 $816k 29k 28.50
drugstore 0.2 $796k 207k 3.85
Horsehead Holding 0.2 $767k 45k 17.04
FirstEnergy (FE) 0.2 $706k 19k 37.11
Headwaters Incorporated 0.2 $738k 125k 5.90
Golar Lng (GLNG) 0.2 $703k 28k 25.56
Tenet Healthcare Corporation 0.2 $689k 93k 7.45
Whitney Holding 0.2 $678k 50k 13.61
Universal Display Corporation (OLED) 0.2 $660k 12k 55.00
Airgas 0.2 $611k 9.2k 66.41
Yahoo! 0.2 $627k 38k 16.68
Chemed Corp New note 1.875% 5/1 0.2 $592k 575k 1.03
Primedia 0.2 $581k 119k 4.87
Capstone Turbine Corporation 0.2 $588k 325k 1.81
RAE Systems (RAE) 0.2 $582k 331k 1.76
XETA Technologies (XETA) 0.2 $570k 104k 5.46
Gilead Sciences (GILD) 0.1 $527k 12k 42.50
Answers Corporation 0.1 $555k 53k 10.41
Progress Energy 0.1 $508k 11k 46.18
NuVasive 0.1 $511k 20k 25.30
National Fuel Gas (NFG) 0.1 $511k 6.9k 74.06
Teva Pharmaceutical Industries (TEVA) 0.1 $452k 9.0k 50.22
Cooper Industries 0.1 $454k 7.0k 64.86
Mentor Graphics Corporation 0.1 $461k 32k 14.63
Via 0.1 $480k 9.0k 53.33
Telephone & Data Systems 0.1 $472k 14k 33.71
CF Industries Holdings (CF) 0.1 $479k 3.5k 136.86
Fushi Copperweld 0.1 $485k 61k 8.02
Loral Space & Communications 0.1 $481k 6.2k 77.61
Zoran Corporation 0.1 $483k 47k 10.39
NII Holdings 0.1 $449k 11k 41.67
Celera Corporation 0.1 $446k 55k 8.11
Moly 0.1 $438k 7.3k 60.00
Sprint Nextel Corporation 0.1 $408k 88k 4.64
Wilber Corporation 0.1 $381k 40k 9.51
Texas Instruments Incorporated (TXN) 0.1 $363k 11k 34.57
Verso Paper 0.1 $364k 68k 5.35
ProShares UltraShort S&P500 0.1 $377k 18k 20.94
Chemtura Corporation 0.1 $353k 21k 17.22
Chiquita Brands International 0.1 $342k 22k 15.36
United States Cellular Corporation (USM) 0.1 $309k 6.0k 51.50
Cablevision Systems Corporation 0.1 $329k 9.5k 34.63
Clean Energy Fuels (CLNE) 0.1 $311k 19k 16.37
Animal Health International (AHII) 0.1 $307k 73k 4.21
Westport Innovations 0.1 $308k 14k 22.00
NRG Energy (NRG) 0.1 $306k 14k 21.55
Bank of New York Mellon Corporation (BK) 0.1 $299k 10k 29.90
Boston Scientific Corporation (BSX) 0.1 $273k 38k 7.18
Office Depot 0.1 $275k 60k 4.62
Directv 0.1 $281k 6.0k 46.83
Myriad Genetics (MYGN) 0.1 $292k 15k 20.14
Morgans Hotel 0.1 $289k 30k 9.81
CBS Corporation 0.1 $295k 12k 25.11
Trina Solar 0.1 $271k 9.0k 30.11
Thomas & Betts Corporation 0.1 $297k 5.0k 59.40
Crane 0.1 $242k 5.0k 48.40
Belo 0.1 $264k 30k 8.80
Standard Pacific 0.1 $259k 70k 3.73
Alpha Natural Resources 0.1 $267k 4.5k 59.33
Nexxus Lighting (NEXS) 0.1 $258k 80k 3.22
Barrick Gold Corp (GOLD) 0.1 $208k 4.0k 52.00
Federal-Mogul Corporation 0.1 $219k 8.8k 24.89
American Express Company (AXP) 0.1 $203k 4.5k 45.11
General Electric Company 0.1 $201k 10k 20.10
Newmont Mining Corporation (NEM) 0.1 $218k 4.0k 54.50
Gold Fields (GFI) 0.1 $227k 13k 17.46
Macy's (M) 0.1 $223k 9.2k 24.24
Williams Companies (WMB) 0.1 $234k 7.5k 31.20
Whole Foods Market 0.1 $231k 3.5k 66.00
New York Times Company (NYT) 0.1 $230k 24k 9.47
Polypore International 0.1 $230k 4.0k 57.50
Telvent Git Alcobendas Com Stk 0.1 $204k 7.0k 29.14
Delta Petroleum (DPTR) 0.1 $220k 242k 0.91
Randgold Resources 0.1 $228k 2.8k 81.43
RSC Holdings 0.1 $230k 16k 14.38
Agnico (AEM) 0.1 $232k 3.5k 66.29
Clear Channel Outdoor Holdings 0.1 $204k 14k 14.57
Siemens (SIEGY) 0.1 $206k 1.5k 137.33
ReneSola 0.1 $185k 18k 10.57
Quicksilver Resources 0.1 $190k 13k 14.29
Active Power 0.1 $190k 65k 2.92
Financial Select Sector SPDR (XLF) 0.1 $164k 10k 16.40
Rare Element Res (REEMF) 0.1 $198k 15k 13.20
Gevo 0.1 $197k 10k 19.70
Beazer Homes USA 0.0 $149k 33k 4.58
Quiksilver 0.0 $145k 33k 4.43
ProLogis 0.0 $160k 10k 16.00
Mocon 0.0 $162k 11k 14.21
BlueLinx Holdings 0.0 $134k 36k 3.69
Corcept Therapeutics Incorporated (CORT) 0.0 $132k 31k 4.26
Pulse Electronics 0.0 $145k 24k 6.04
Cutera (CUTR) 0.0 $105k 12k 8.61
Tollgrade Communications (TLGD) 0.0 $116k 12k 10.09
China Hydroelectric Corp 0.0 $109k 15k 7.27
TGC Industries 0.0 $117k 15k 7.80
Gtsi 0.0 $114k 25k 4.61
Searchmedia Hldgs 0.0 $106k 58k 1.83
Emergent (LZR) 0.0 $126k 15k 8.46
Amkor Technology (AMKR) 0.0 $67k 10k 6.70
MannKind Corporation 0.0 $64k 18k 3.66
Cardionet 0.0 $57k 12k 4.79
Entravision Communication (EVC) 0.0 $27k 10k 2.70
Sirius XM Radio 0.0 $33k 20k 1.65
Digirad Corporation 0.0 $28k 11k 2.50
Solta Medical 0.0 $50k 15k 3.33
Arena Pharmaceuticals 0.0 $18k 13k 1.38
NeuroMetrix 0.0 $11k 21k 0.52
China Hydroelectric Corporat w exp 01/25/201 0.0 $8.0k 25k 0.32