Most recent update: March 31, 2019

CompanyShares/WarrantsValue ($000)
Liberty Global1,214,208250,576
SunTrust Banks4,063,784240,779
Microchip Technology Incorporated164,441,000233,379
Advanced Micro Devices71,325,000233,212
TRIBUNE MEDIA CO3,938,656181,730
Integrated Drilling Equipment Holdings Corp.3,656,069179,111
USG Corporation4,125,711178,643
GGX Gold Corp.15,579,953178,235
Arris Group Inc5,390,189170,384
First Priority Tax Solutions Inc.5,945,520156,189
Redux Holdings, Inc.825,774150,869
FINISAR CORP10,976,466121,205
Herbalife LTD.99,050,000117,056
SiM Internal Test 420,673,364116,805
Celgene Corporation1,182,780111,583
Molina Healthcare Inc32,325,000111,335
Mellanox Technologies938,354111,064
Micron Technology27,379,000103,586
Square 1 Financial31,635,000103,567
Palo Alto Networks44,150,00097,054
Spark Therapeutics788,99389,851
Versum Materials, Inc.1,775,23089,312
Luxoft Holding Inc1,317,69577,362
Avista Corporation1,679,75168,231
Colfax Corporation497,15066,424
CaesarStone Sdot-Yam Ltd.46,250,00065,853
ATI Modular Technology Corp.33,950,00064,811
WellCare Helath Plans235,00063,391
Fortive Corp69,52161,143
The Ultimate Software Group181,97760,076
Chesapeake Energy Corp.64,500,00059,927
Travelport Worldwide LTD3,598,28456,601
Wabco Holdings Inc.385,09850,767
Pacific Biosciences of California6,751,12748,811
Ellies Holdings Limited470,86846,470
Cleveland BioLabs33,075,00045,241
Genworth Financial Inc11,462,11743,900
Tyme Technologies, Inc.1,967,76740,713
Redwood Trust37,450,00036,323
Ares Capital Corporation35,000,00034,913
TTM Technologies26,500,00034,571
Danaher Corporation30,00031,509
Blackstone GSO Long Short Credit Income Fund29,850,00030,229
NXP Semiconductors N.V.10,218,63129,590
Atlas Air Worldwide Holdings27,300,00029,409
AMAG Pharmaceuticals32,475,00028,334
Neurocrine Biosciences20,000,00027,077
iStar Inc.28,925,00026,611
Theravance Biopharma, Inc.25,543,00025,977
Rowan Companies plc2,399,19025,887
EXACT Sciences Corporation25,000,00025,569
RMG Acquisition Corp.2,500,00025,075
Micro Focus International plc965,35724,897
Weatherford International30,600,00024,862
Huron Consulting Group Inc.23,955,00023,649
Stewart Enterprises551,65823,550
Ship Finance International Limited23,600,00023,545
DISH Network Corporation27,500,00023,430
DiamondPeak Holdings Corp.2,300,00023,046
TRINET GROUP INC2,300,00023,046
Acamar Partners Acquisition Corp.2,250,00022,500
Prospect Capital Corporation22,675,00022,417
Tesla Exploratin Services Inc.17,411,61022,280
Connecticut Water Service316,70121,742
JBG SMITH Properties508,51021,027
nVent Electric plc772,50020,842
Tortoise Acquisition Corp.2,077,93920,759 Incorporated15,000,00020,322
Zillow Group22,175,00020,308
Crescent Acquisition Corp2,000,00020,000
Altice USA921,51519,794
Veeco Instruments Inc.23,000,00019,734
Boxwood Merger Corp.4,394,11519,361
Apergy Corp471,48519,359
Opko Health Inc20,000,00018,919
II-VI Incorporated18,000,00018,875
Hercules Capital, Inc.19,150,00018,751
j2 Global14,000,00018,739
Bemis Company336,75018,683
Arion Group Corp.18,875,00018,504
Pivotal Therapeutics Inc3,600,00018,378
Synaptics Incorporated19,778,00018,300
SEACOR Holdings19,244,00018,229
Inphi Corporation17,075,00017,894
CenterPoint Energy331,45017,600
Wyndham Worldwide Corp334,60016,727
Cyrela Commercial Properties S.A.13,000,00016,641
Tuscany Energy Ltd.1,600,00016,624
FinTech Acquisition Corp2,700,00016,160
Fox Corporation439,66416,140
frontdoor, inc.467,30416,085
Monocle Acquisition Corp3,261,19416,028
Infinera Corporation19,700,00015,607
CF Finance Acquisition Corp.3,000,00015,495
Ironwood Pharmaceuticals14,025,00015,493
Rent-A-Center Inc.733,86115,316
Hyde Park Acquisition Corp. II640,33615,304
Clovis Oncology17,375,00015,115
The Navigators Group213,84614,941
ChaSerg Technology Acquisition Corp2,250,00014,740
Integrated Device Technology9,000,00014,143
DTE Energy Company250,00013,870
Blackham Resources Ltd.252,28813,750
Equitrans Midstream Corp627,55813,668
QUOTEMEDIA INC13,950,00013,137
Sempra Energy121,22512,835
Thunder Bridge Acquisition Ltd2,710,00012,284
OnePower Systems Ltd.1,191,10012,209
INTREXON CORP19,012,55512,196
GS Acquisition Holdings Corp1,599,90211,801
Arcosa, Inc.386,15211,797
Becton, Dickinson & Co.186,00011,574
Live Nation Entertainment10,000,00011,556
Garrett Motion Inc.781,28411,508
Andina Acquisition Corporation3,500,00011,373
Spartan Energy Corp.1,524,99711,192
Insurance Australia Group Ltd.1,100,00011,110
AMCI Acquisition Corp.3,360,00011,074
Aritzia Inc.11,275,00011,024
Brighthouse Financial, Inc.295,02410,706
Schultze Special Purpose Acquisition Corp.2,430,00010,186
LF George Hldgs Inc2,160,00010,078
Forum Merger Corp2,560,00010,019
Gordon Pointe Acquisition Corp.2,036,6209,801
Livent Corp.792,8759,737
GrafTech International Ltd2,698,0009,592
VectoIQ Acquisition Corp.2,510,0009,588
NEWMARK GROUP, INC.1,144,6619,546
Gores Holdings, Inc.1,183,3288,868
Veoneer, Inc.382,5108,748
Scorpio Tankers Inc.9,750,0008,641
Far East Energy Corp.1,099,9978,362
GigCapital, Inc.3,300,0008,180
Delphi Energy421,6168,120
Trinity Petroleum Trust2,950,0007,964
Industrial Logistics Properties Trust385,0547,767
American Electric Power Company150,0007,744
New Frontier Corp1,200,0007,703
TPG Specialty Lending, Inc.7,500,0007,666
Echo Automotive, Inc.7,631,0007,604
New York Community Bancorp7,000,0007,038
Red Rock Resorts, Inc.2,788,0006,933
Modern Media Acquisition Corp.2,720,0316,858
Citrix Systems4,625,0006,568
CMK Gaming International, Inc.637,5006,554
Green Plains Partners LP6,750,0006,476
Fidelity Southern Corporation228,9416,271
Twelve Seas Investment Co2,960,0006,236 Inc.273,1036,227
Nebula Acquisition Corp833,3286,169
DFB Healthcare Acquisitions Corp.1,149,9986,100
Varex Imaging Corp179,2456,073
HCi Viocare6,000,0005,992
Crown Castle International Corporation5,0005,921
Tiberius Acquisition Corp1,597,5005,908
Helix Energy Solutions Group5,000,0005,619
ON Semiconductor4,500,0005,573
Verint Systems Inc.5,000,0005,534
Leisure Acquisition Corp.550,0005,500
Nuance Communications5,509,0005,478
Leo Holdings Corp.1,561,7005,341
Invacare Corp.5,950,0005,338
BioMarin Pharmaceutical Inc.59,3185,269
Gores Metropoulos, Inc.666,6645,108
Granite Real Estate Inc.5,000,0005,059
Akamai Technologies68,7174,928
Viavi Solutions378,4924,686
Legacy Acquisition Corp.1,669,7694,589
Arlo Technologies, Inc.1,109,0164,580
Multi-Color Corporation88,1004,395
TIER REIT INC143,3214,108
PURE Bioscience1,162,5003,963
Legacy Reserves LP11,208,0003,923
Regalwood Global Energy Ltd.763,7023,688
Colliers International Group466,6643,621
Allegro Beauty Products, Inc.2,100,0003,471
Zhuding International Limited3,300,0003,383
Rightmove Plc374,8003,265
NEW RELIC INC29,4782,909
GoPro, Inc.2,550,8932,795
QTS Realty Trust, Inc.23,0002,508
Jazz Pharmaceuticals plc16,4722,355
Booking Holdings1,3462,349
National Health Investors2,000,0002,297
HL Acquisitions Corp.756,0002,291
Churchill Mining PLC697,5002,288
Harmonic Inc.2,000,0002,284
MX Gold Corp.2,000,0002,274
Black Ridge Oil & Gas, Inc.420,0002,207
Big Rock Partners Acquisition Corp.500,0002,134
South Jersey Industries, Inc.41,2002,130
Air Transport Services Group91,5802,111
Prosafe SE1,500,0001,936
Guidewire Software18,2781,776
TimkenSteel Corporation1,500,0001,757
CorEnergy Infrastructure Trust1,500,0001,681
Expedition Mining Inc13,3641,590
Virtus Investment Partners, Inc.17,9751,582
PTC Therapeutics1,500,0001,565
Supernus Pharmaceuticals43,4441,522
Wynn Resorts12,4501,486
Fifth Third Bancorp58,2351,469
One Madison Corp1,125,0001,294
Enbridge Inc33,9841,232
Flexion Therapeutics1,330,0001,167
Renewable Energy Group675,0001,131
Liberty Media Corporation1,000,0001,123
Opes Acquisition Corp.350,0001,075
Crestwood Equity Partners LP27,936983
Blackrock Corporate High Yield Fund V Inc83,554966
Cheniere Energy Partners LP Holdings, LLC21,785913
Oil States International53,570909
CBRE Clarion Global Real Estate Income Fund120,167898
Vitamin Shoppe1,000,000896
Blackrock MuniYield New Jersey Quality Fund63,031885
Targa Resources21,184880
Williams Companies29,037834
Enterprise Products Partners L.P.27,760808
Tallgrass Energy31,800799
MTech Acquisition Corp.137,500797
Blackrock MuniYield California Fund58,693787
Invesco Van Kampen Senior Income Trust71,670778
MPLX LP23,115760
Blackrock Debt Strategies Fund69,874749
First Trust60,551748
Blackrock Floating Rate Income Strategies Fund Inc58,630733
PAA Natural Gas Storage29,751729
DCP Holding CO20,646682
Enable Midstream Partners, LP46,900672
Eaton Vance Corporation50,662668
Phillips 66 Partners12,745667
Wells Fargo Advantage Income Opportunities Fund83,518658
Atlanticus Holdings Corporation191,430651
Penn VA Corp New14,602644
Hess Midstream Partners LP30,300642
Blackrock California Municipal 2018 Term Trust49,239632
Blackrock Global58,453625
NFJ Dividend50,671611
Evolution Technology Resources Inc.38,968606
Takeda Pharma29,368598
Holly Energy Partners22,100596
Ares Dynamic Credit Allocation Fund, Inc.39,999594
Western Asset High Income Fund II Inc.18,821590
Eaton Vance Limited Duration Income Fund46,647590
TC PipeLines15,700587
Magellan Minerals Ltd.9,657586
Enlink Midstream, LLC45,666584
Nuveen Real Asset Income and Growth Fund35,876575
Eaton Vance Enhance Equity Income Fund43,599568
Blackrock MuniHoldings New York Quality Fund41,478567
Genesis Metals Corp.24,165563
H & T Group PLC26,889552
Blackrock MuniYield California Insured Fund43,997542
Advent Claymore Convertible Securities and Income Fund II36,163534
Dividend and Income Fund46,948533
Andeavor Logistics15,100532
Gabelli Dividend24,766527
Patriot National, Inc.34,461526
CNX Coal Resources LP34,400523
BlackRock Resources63,044515
Teekay LNG Partners L.P.34,119510
Martin Midstream Partners L.P.40,794508
Nuveen California Investment Quality Municipal Fund36,320506
Blackrock Floating Rate Income Strategies Fund II Inc41,202503
Blackrock Global37,887489
Nuveen Michigan Quality Income Municipal Fund36,757487
Nuveen Virginia Premium Income Municipal Fund37,570477
Apollo Gold Corporation32,073476
Nustar Energy L.P.17,439469
Buckeye Technologies13,800469
Blackrock MuniYield Quality Fund32,885463
EQT Midstream Partners9,980461
Aberdeen Indonesia Fund55,918461
Pioneer Floating Rate Trust44,295461
Shell Midstream Partners, L.P.22,409458
Alliance National Municipal Income Fund Inc35,325457
Eaton Vance Senior Income Trust73,615453
Antero Midstream GP LP32,600449
National Energy Services Reunited Corp.394,100449
Western Asset/Claymore U.S. Treasury Inflation Prot Secs Fd50,267443
BlackRock Municipal Income Trust33,443443
Nuveen Ohio Quality Income Municipal Fund30,124436
Retail Value Inc.13,830431
AmeriGas Partners13,864428
Apollo Tactical Income Fund Inc.28,939425
Blackrock Muni Intermediate Duration Fund Inc30,744423
Nuveen New York Dividend Advantage Municipal Income Fund31,415421
Nuveen Maryland Premium Income Municipal Fund33,188414
Targeted Medical Pharma, Inc.266,666413
Blackrock Municipal Income Quality Trust30,271406
Nuveen Pennsylvania Investment Quality Municipal Fund30,571404
Eaton Vance Municipal Income Term Trust32,492403
BlackRock Multi-Sector Income Trust24,257402
Nuveen New Jersey Dividend Advantage Municipal Fund30,898395
Lyft, Inc.5,000391
Cohen & Steers Quality Income Realty Fund Inc30,221387
Nuveen Municipal High Income Opportunity Fund31,771383
BlackRock Municipal Target Term Trust Inc. (The)17,174382
Blackrock MuniHoldings Quality Fund II30,590376
Leisure Acquisition Corp.625,000375
Blackrock MuniYield Michigan Quality Fund28,550369
Brookfield Real Estate Services16,855364
Semgroup Corporation24,333359
EVN Energie-Versorgung Niederosterreich Aktiengesellschaft29,333358
General Electric Capital Corporation10,646355
BlackRock Credit Allocation Income Trust I28,045348
Summit Midstream Partners34,700338
Brookfield Incorporacoes SA27,273336
Invesco Van Kampen California Value Municipal Income Trust27,135336
Royce Value Trust23,883329
Nuveen New York AMT-Free Municipal Income Fund23,762329
Eaton Vance California Municipal Bond Fund II30,504322
Federated Premier Municipal Income Fund23,706318
KLX Energy Services Holdings, Inc.12,542315
Delaware Investments Minnesota Municipal Income Fund II24,819314
Nuveen Senior Income Fund53,980313
Macquarie Global Infrastructure Total Return Fund Inc.13,893308
Blackrock New York Municipal Bond Trust22,021287
KBL MERGER CORP. IV1,500,000286
Nuveen Global Government Enhanced Income Fund22,250283
Blackrock MuniYield Quality Fund II23,033283
Magnolia Lane Income Fund83,333282
Community Bank of Santa Maria (CA)3,867270
WSFS Financial Corporation6,879266
Blackrock MuniHoldings Quality Fund21,870265
Nuveen California Dividend Advantage Municipal Fund27,574264
Nuveen Arizona Premium Income Municipal Fund20,042257
Blackrock MuniEnhanced Fund23,983257
BP Midstream Partners LP17,500253
CMX Gold & Silver Corp750,000248
Eaton Vance Short Diversified Income Fund18,670242
Nuveen Real Estate Fund22,833237
Levi Strauss10,000236
BlackRock Investment Quality Municipal Trust Inc. (The)16,667236
Neuberger Berman Intermediate Municipal Fund Inc.16,136232
Delaware Enhanced Global Dividend23,948232
Invesco Quality Municipal Income Trust18,581225
GAIN Capital Holdings225,000225
Virtus Total Return Fund22,175223
Hunter Oil Corp.470,000219
Eaton Vance New York Municipal Income Trust18,635219
Blackrock MuniHoldings Investment Quality Fund16,821217
Priority Technology Holdings, Inc.30,736212
Falconridge Oil Technologies Corp.250,000205
Western Asset High Yield Defined Opportunity Fund Inc.31,704205
Western Asset Managed Municipals Fund13,901201
ING Infrastructure Industrial and Material Fund15,677198
Nuveen Massachusetts Dividend Advantage Municipal Fund16,513197
Franklin Templeton Limited Duration Income Trust20,329196
Alliance California Municipal Income Fund Inc13,221195
Eaton Vance Floating-Rate Income Plus Fund13,066194
GTY Technology Holdings Inc.314,900189
Clough Global Opportunities Fund19,521189
Pioneer High Income Trust20,827186
First Trust/Aberdeen Emerging Opportunity Fund18,400185
Blackrock Municipal Bond Trust12,550182
New America High Income Fund20,788177
Blackrock Enhanced Equity Dividend Trust20,611176
Spirit MTA REIT26,740174
Constellation Alpha Capital Corp.1,400,000172
THL Credit Senior Loan Fund11,224172
ING Global Equity Dividend and Premium Opportunity Fund26,296171
Nuveen Diversified Dividend and Income Fund16,290169
Aberdeen Global Income Fund17,500166
Wells Fargo Advantage Global Dividend Opportunity Fund30,481160
Invesco Van Kampen Dynamic Credit Opportunities Fund12,053157
Cohen & Steers Global Income Builder18,380157
Infrastructure & Utilities NZ Ltd.343,006154
Dreyfus Strategic Municipals19,345153
Nuveen California Municipal Market Opportunity Fund14,712141
Vanc Pharmaceuticals, Inc.11,737141
MFS Municipal Income Trust19,957138
CorePoint Lodging Inc.12,125135
Neuberger Berman High Yield Strategies Fund11,487130
Daseke, Inc.378,003122
BlackRock Energy and Resources Trust10,076122
Invesco Van Kampen Advantage Municipal Income Trust II11,110120
Voyager Therapeutics, Inc.10,844117
Capitol Health Limited83,333115
TPG Pace Energy Holdings Corp.66,666113
Dreyfus Municipal Bond Infrastructure Fund, Inc.13,594105
Dreyfus Municipal Income12,447105
Madison/Claymore Covered Call & Equity Strategy Fund13,89995
Sentinel Energy Services Inc.133,33391
Putnam Managed Municipal Income Trust10,55079
ESTRE USA INC.661,87078
Black Ridge Oil & Gas, Inc.210,00074
GAMCO Natural Resources13,09874
Bison Capital Acquisition Corp.225,00068
Social Cube Inc.83,33467
CMAL Financial Corp.375,00064
Jensyn Acquisition Corp.348,00060
Vantage Energy Acquisition Corp.250,00058
Tenzing Acquisition Corp.250,00040
Longevity Acquisition Corp250,00039
Jason Industries, Inc.1,933,07033
Alta Mesa Resources308,33311
Saban Capital Acquisition Corp.42,000N/A