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 LABORATORIES Common 002824100 13,984 161,000 SH   SOLE   161,000 0 0
ABERDEEN EMERGING MARKETS Common 00301W105 1,873 245,771 SH   SOLE   245,771 0 0
ABERDEEN GLOBAL DYNAMIC Common 00302M106 2,470 237,474 SH   SOLE   237,474 0 0
ABERDEEN GLOBAL PREM PROP Sh Ben Int 00302L108 1,178 181,831 SH   SOLE   181,831 0 0
ABERDEEN JAPAN EQUITY FUN Common 00306J109 538 69,143 SH   SOLE   69,143 0 0
ABERDEEN TOTAL DYNAMIC Sh Ben Int 00326L100 12,571 1,404,541 SH   SOLE   1,404,541 0 0
ACCENTURE PLC - CLASS A Common G1151C101 10,950 52,000 SH   SOLE   52,000 0 0
ADAMS DIVERSIFIED EQUITY Common 006212104 23,026 1,460,145 SH   SOLE   1,460,145 0 0
ADAMS NATURALS RESOURCES Common 00548F105 6,684 406,049 SH   SOLE   406,049 0 0
ADOBE, INC. Common 00724F101 6,926 21,000 SH   SOLE   21,000 0 0
AFLAC INC Common 001055102 3,121 59,000 SH   SOLE   59,000 0 0
AIR PRODUCTS & CHEMICALS Common 009158106 2,350 10,000 SH   SOLE   10,000 0 0
ALLIANZGI NFJ DIVIDEND Sh Ben Int 01883A107 6,691 514,661 SH   SOLE   514,661 0 0
ALLSTATE CORPORATION Common 020002101 1,012 9,000 SH   SOLE   9,000 0 0
ALPHABET, INC. - CLASS C Common, Cl C 02079K107 51,351 38,407 SH   SOLE   38,407 0 0
AMAZON.COM INC Common 023135106 24,946 13,500 SH   SOLE   13,500 0 0
AMERICAN ELECTRIC POWER Common 025537101 3,875 41,000 SH   SOLE   41,000 0 0
AMERICAN EXPRESS COMPANY Common 025816109 5,976 48,000 SH   SOLE   48,000 0 0
AMERICAN TOWER CORP Common 03027X100 6,849 29,800 SH   SOLE   29,800 0 0
ANTHEM, INC. Common 036752103 1,812 6,000 SH   SOLE   6,000 0 0
AON PLC Common, Cl A G0408V102 3,958 19,000 SH   SOLE   19,000 0 0
APPLE, INC. Common 037833100 30,833 105,000 SH   SOLE   105,000 0 0
AT&T INC. Common 00206R102 5,311 135,900 SH   SOLE   135,900 0 0
AUTOMATIC DATA PROCESSING Common 053015103 6,309 37,000 SH   SOLE   37,000 0 0
AUTOZONE INC Common 053332102 2,263 1,900 SH   SOLE   1,900 0 0
BANK OF AMERICA CORP Common 060505104 16,846 478,300 SH   SOLE   478,300 0 0
BECTON, DICKINSON AND CO. Common 075887109 4,080 15,000 SH   SOLE   15,000 0 0
BERKSHIRE HATHAWAY INC-B Common, Cl B 084670702 21,971 97,000 SH   SOLE   97,000 0 0
BLACKROCK GL OPP EQ TRUST Sh Ben Int 092501105 4,502 409,644 SH   SOLE   409,644 0 0
BLACKROCK GLOBAL EN & RES Sh Ben Int 09250U101 2,551 214,748 SH   SOLE   214,748 0 0
BLACKROCK INTERNTNL GR IN Sh Ben Int 092524107 62 10,563 SH   SOLE   10,563 0 0
BLACKROCK RESOUR & COMM Sh Ben Int 09257A108 9,981 1,236,751 SH   SOLE   1,236,751 0 0
BOEING CO Common 097023105 13,356 41,000 SH   SOLE   41,000 0 0
BOOKING HOLDINGS, INC. Common 09857L108 4,107 2,000 SH   SOLE   2,000 0 0
BOSTON SCIENTIFIC CORP Common 101137107 1,944 43,000 SH   SOLE   43,000 0 0
BRANDYWINE GLOBAL INCOME Common 10537L104 2,351 186,149 SH   SOLE   186,149 0 0
BROADCOM INC Common 11135F101 10,113 32,000 SH   SOLE   32,000 0 0
CBRE CLARION GLOBAL REAL Sh Ben Int 12504G100 12,307 1,534,572 SH   SOLE   1,534,572 0 0
CENTRAL EUROPE RUSSIA & T Common 153436100 3,114 110,041 SH   SOLE   110,041 0 0
CHARTER COMMUNICATIONS -A Common 16119P108 8,392 17,300 SH   SOLE   17,300 0 0
CHEVRON CORP. Common 166764100 5,302 44,000 SH   SOLE   44,000 0 0
CHINA FUND, INC. Common 169373107 689 32,670 SH   SOLE   32,670 0 0
CHUBB LTD Common H1467J104 1,557 10,000 SH   SOLE   10,000 0 0
CIGNA CORP Common 125523100 1,913 9,354 SH   SOLE   9,354 0 0
CINTAS CORP Common 172908105 2,153 8,000 SH   SOLE   8,000 0 0
CISCO SYSTEMS INC Common 17275R102 19,040 397,000 SH   SOLE   397,000 0 0
CITIGROUP, INC. Common 172967424 14,836 185,700 SH   SOLE   185,700 0 0
CLEARBRIDGE ENERGY MLP Common 18469Q108 979 113,932 SH   SOLE   113,932 0 0
CLOUGH GLOBAL OPPORTUNITY Sh Ben Int 18914E106 2,606 276,039 SH   SOLE   276,039 0 0
CME GROUP, INC. Common 12572Q105 1,004 5,000 SH   SOLE   5,000 0 0
COCA-COLA CO (THE) Common 191216100 11,070 200,000 SH   SOLE   200,000 0 0
COHEN & STEERS PREF INC Common 19247X100 1,656 69,600 SH   SOLE   69,600 0 0
COHEN & STEERS SEL UTILI Common 19248A109 6,923 264,221 SH   SOLE   264,221 0 0
COMCAST CORP - CLASS A Common, Cl A 20030N101 19,697 438,000 SH   SOLE   438,000 0 0
CORTEVA, INC. Common 22052L104 604 20,431 SH   SOLE   20,431 0 0
COSTCO WHOLESALE CORP Common 22160K105 11,610 39,500 SH   SOLE   39,500 0 0
CROWN CASTLE INTL CORP Common 22822V101 4,975 35,000 SH   SOLE   35,000 0 0
CSX CORPORATION Common 126408103 5,854 80,900 SH   SOLE   80,900 0 0
CUMMINS INC. Common 231021106 1,611 9,000 SH   SOLE   9,000 0 0
CVS HEALTH CORP Common 126650100 6,835 92,000 SH   SOLE   92,000 0 0
DEERE & COMPANY Common 244199105 5,544 32,000 SH   SOLE   32,000 0 0
DOLLAR GENERAL CORP Common 256677105 3,276 21,000 SH   SOLE   21,000 0 0
DOMINION ENERGY, INC. Common 25746U109 4,389 53,000 SH   SOLE   53,000 0 0
DOW, INC. Common 260557103 1,899 34,704 SH   SOLE   34,704 0 0
DUFF & PHELPS GLOBAL Common 26433C105 554 36,474 SH   SOLE   36,474 0 0
DUKE ENERGY CORP Common 26441C204 4,652 51,000 SH   SOLE   51,000 0 0
DUPONT DE NEMOURS INC Common 26614N102 1,312 20,431 SH   SOLE   20,431 0 0
ECOLAB INC Common 278865100 4,825 25,000 SH   SOLE   25,000 0 0
EDWARDS LIFESCIENCES Common 28176E108 3,733 16,000 SH   SOLE   16,000 0 0
ELI LILLY & CO Common 532457108 6,440 49,000 SH   SOLE   49,000 0 0
EQUINIX, INC. Common 29444U700 2,335 4,000 SH   SOLE   4,000 0 0
EQUITY RESIDENTIAL Common 29476L107 971 12,000 SH   SOLE   12,000 0 0
ESTEE LAUDER CO. - CL A Common 518439104 5,783 28,000 SH   SOLE   28,000 0 0
EXELON CORPORATION Common 30161N101 2,735 60,000 SH   SOLE   60,000 0 0
EXXON MOBIL CORPORATION Common 30231G102 8,723 125,000 SH   SOLE   125,000 0 0
FIRST TR/ABER EMER OPP Sh Ben Int 33731K102 265 18,579 SH   SOLE   18,579 0 0
FISERV Common 337738108 5,319 46,000 SH   SOLE   46,000 0 0
FLEETCOR TECHNOLOGIES Common 339041105 1,726 6,000 SH   SOLE   6,000 0 0
FORTIVE CORPORATION Common 34959J108 1,146 15,000 SH   SOLE   15,000 0 0
GABELLI GLBL SMALL & MID Sh Ben Int 36249W104 2,910 245,801 SH   SOLE   245,801 0 0
GENERAL AMERICAN INVESTOR Common 368802104 21,329 565,157 SH   SOLE   565,157 0 0
GENERAL MILLS INC Common 370334104 1,018 19,000 SH   SOLE   19,000 0 0
HERZFELD CARIBBEAN BASIN Common 42804T106 389 58,696 SH   SOLE   58,696 0 0
HILTON WORLDWIDE HOLDINGS Common 43300A203 1,442 13,000 SH   SOLE   13,000 0 0
HOME DEPOT, INC. (THE) Common 437076102 16,379 75,000 SH   SOLE   75,000 0 0
HONEYWELL INTERNATL INC Common 438516106 6,195 35,000 SH   SOLE   35,000 0 0
HUMANA INC Common 444859102 2,932 8,000 SH   SOLE   8,000 0 0
IHS MARKIT LTD Common G47567105 2,261 30,000 SH   SOLE   30,000 0 0
INGERSOLL RAND PLC Common G47791101 2,791 21,000 SH   SOLE   21,000 0 0
INTERCONTINENTAL EXCHANGE Common 45866F104 3,980 43,000 SH   SOLE   43,000 0 0
INTUIT INC Common 461202103 3,667 14,000 SH   SOLE   14,000 0 0
IQVIA HOLDINGS INC. Common 46266C105 2,364 15,300 SH   SOLE   15,300 0 0
ISHARES CORE S&P 500 ETF ETF 464287200 6,465 20,000 SH   SOLE   20,000 0 0
JAPAN SMALLER CAPITAL FD Common 47109U104 2,972 332,236 SH   SOLE   332,236 0 0
JOHN HANCOCK TAX-ADV Sh Ben Int 41013P749 221 31,237 SH   SOLE   31,237 0 0
JOHNSON & JOHNSON Common 478160104 21,107 144,700 SH   SOLE   144,700 0 0
JPMORGAN CHASE & CO Common 46625H100 28,438 204,000 SH   SOLE   204,000 0 0
KAYNE ANDERSON MIDSTREAM Common 48661E108 4,363 414,753 SH   SOLE   414,753 0 0
KINDER MORGAN, INC. Common 49456B101 1,810 85,500 SH   SOLE   85,500 0 0
KOREA FUND, INC. Common 500634209 903 30,260 SH   SOLE   30,260 0 0
LAZARD GL TOTAL RT & INC Common 52106W103 388 23,457 SH   SOLE   23,457 0 0
LINDE PLC Common G5494J103 1,490 7,000 SH   SOLE   7,000 0 0
LOCKHEED MARTIN CORP Common 539830109 10,903 28,000 SH   SOLE   28,000 0 0
LOWE'S COMPANIES INC Common 548661107 3,473 29,000 SH   SOLE   29,000 0 0
MAC/1ST GL IN/UT DIV & IN Sh Ben Int 55607W100 547 50,981 SH   SOLE   50,981 0 0
MACQUARIE GL TOTAL RE FD Common 55608D101 4,615 185,944 SH   SOLE   185,944 0 0
MADISON COVERED CALL & EQ Sh Ben Int 557437100 294 44,337 SH   SOLE   44,337 0 0
MARATHON PETROLEUM CORP. Common 56585A102 2,772 46,000 SH   SOLE   46,000 0 0
MASTERCARD INC - CLASS A Common 57636Q104 24,783 83,000 SH   SOLE   83,000 0 0
MCDONALD'S CORPORATION Common 580135101 4,347 22,000 SH   SOLE   22,000 0 0
MEDTRONIC PLC Common G5960L103 13,047 115,000 SH   SOLE   115,000 0 0
MERCK & CO., INC. Common 58933Y105 20,191 222,000 SH   SOLE   222,000 0 0
MEXICO EQUITY & INCOME Common 592834105 363 31,312 SH   SOLE   31,312 0 0
MICROSOFT CORPORATION Common 594918104 75,444 478,400 SH   SOLE   478,400 0 0
MORGAN STANLEY CHINA Common 617468103 3,181 146,436 SH   SOLE   146,436 0 0
MORGAN STANLEY INDIA INV Common 61745C105 5,045 253,628 SH   SOLE   253,628 0 0
MOTOROLA SOLUTIONS, INC. Common 620076307 1,934 12,000 SH   SOLE   12,000 0 0
NEW GERMANY FUND. INC. Common 644465106 1,513 96,490 SH   SOLE   96,490 0 0
NEW IRELAND FUND Common 645673104 1,089 109,916 SH   SOLE   109,916 0 0
NEXTERA ENERGY, INC. Common 65339F101 6,538 27,000 SH   SOLE   27,000 0 0
NIKE INC CL B Common, Cl B 654106103 10,536 104,000 SH   SOLE   104,000 0 0
NORFOLK SOUTHERN CORP Common 655844108 5,630 29,000 SH   SOLE   29,000 0 0
NORTHROP GRUMMAN CORP Common 666807102 1,376 4,000 SH   SOLE   4,000 0 0
NUBRGR BRMN MLP ENRGY INC Common 64129H104 235 34,808 SH   SOLE   34,808 0 0
NUVEEN REAL ASSET INCOME Sh Ben Int 67074Y105 1,849 100,685 SH   SOLE   100,685 0 0
O'REILLY AUTOMOTIVE INC Common 67103H107 1,753 4,000 SH   SOLE   4,000 0 0
PAYCHEX INC Common 704326107 2,637 31,000 SH   SOLE   31,000 0 0
PAYPAL HOLDINGS, INC. Common 70450Y103 7,247 67,000 SH   SOLE   67,000 0 0
PFIZER INC Common 717081103 9,756 249,000 SH   SOLE   249,000 0 0
PNC FINANCIAL SERVICES GR Common 693475105 958 6,000 SH   SOLE   6,000 0 0
PROCTER AND GAMBLE CO. Common 742718109 25,105 201,000 SH   SOLE   201,000 0 0
PROGRESSIVE CORPORATION Common 743315103 3,909 54,000 SH   SOLE   54,000 0 0
PUBLIC SERVICE ENTPRS GR Common 744573106 2,244 38,000 SH   SOLE   38,000 0 0
REPUBLIC SERVICES INC Common 760759100 2,599 29,000 SH   SOLE   29,000 0 0
RIVER NORTH OPPORTUNITIES Common 76881Y109 394 24,152 SH   SOLE   24,152 0 0
RMR REAL ESTATE INCOME FD Sh Ben Int 76970B101 4,709 233,133 SH   SOLE   233,133 0 0
ROPER TECHNOLOGIES INC. Common 776696106 3,011 8,500 SH   SOLE   8,500 0 0
ROSS STORES, INC. Common 778296103 3,958 34,000 SH   SOLE   34,000 0 0
ROYCE GLOBAL VALUE TRUST Common 78081T104 2,743 234,607 SH   SOLE   234,607 0 0
ROYCE MICRO-CAP TRUST INC Common 780915104 4,019 470,628 SH   SOLE   470,628 0 0
ROYCE VALUE TRUST, INC. Common 780910105 1,695 114,767 SH   SOLE   114,767 0 0
S&P GLOBAL INC Common 78409V104 5,461 20,000 SH   SOLE   20,000 0 0
SALIENT MIDSTREAM & MLP Sh Ben Int 79471V105 1,792 230,086 SH   SOLE   230,086 0 0
SEMPRA ENERGY Common 816851109 3,333 22,000 SH   SOLE   22,000 0 0
SHERWIN-WILLIAMS CO Common 824348106 3,501 6,000 SH   SOLE   6,000 0 0
SOURCE CAPITAL, INC Common 836144105 5,082 131,358 SH   SOLE   131,358 0 0
SPDR S&P 500 ETF TRUST ETF 78462F103 8,047 25,000 SH   SOLE   25,000 0 0
SPROTT FOCUS TRUST, INC. Common 85208J109 556 75,589 SH   SOLE   75,589 0 0
STARBUCKS CORP Common 855244109 9,232 105,000 SH   SOLE   105,000 0 0
STRYKER CORPORATION Common 863667101 6,088 29,000 SH   SOLE   29,000 0 0
SWISS HELVETIA FUND Common 870875101 1,176 139,796 SH   SOLE   139,796 0 0
SYSCO CORPORATION Common 871829107 4,149 48,500 SH   SOLE   48,500 0 0
TAIWAN FUND, INC. Common 874036106 445 21,637 SH   SOLE   21,637 0 0
TARGET CORPORATION Common 87612E106 4,744 37,000 SH   SOLE   37,000 0 0
TEKLA HEALTHCARE INVESTOR Sh Ben Int 87911J103 11,727 561,646 SH   SOLE   561,646 0 0
TEKLA HEALTHCARE OPP Sh Ben Int 879105104 3,421 179,367 SH   SOLE   179,367 0 0
TEKLA LIFE SCIENCES Sh Ben Int 87911K100 3,052 175,073 SH   SOLE   175,073 0 0
TEKLA WORLD HEALTHCARE Sh Ben Int 87911L108 2,564 185,096 SH   SOLE   185,096 0 0
TEMPLETON DRAGON FUND INC Common 88018T101 4,598 236,421 SH   SOLE   236,421 0 0
TEMPLETON EMERGING MRKT Common 880191101 3,008 192,943 SH   SOLE   192,943 0 0
TEXAS INSTRUMENTS INC Common 882508104 9,493 74,000 SH   SOLE   74,000 0 0
THE CUSHING ENERGY INCOME Sh Ben Int 23162T102 308 45,898 SH   SOLE   45,898 0 0
THE EAGLE GROWTH & INCOME Sh Ben Int 26958J105 663 38,902 SH   SOLE   38,902 0 0
THE EUROPEAN EQUITY FUND Common 298768102 396 42,197 SH   SOLE   42,197 0 0
THE GABELLI HLTHCARE WELL Sh Ben Int 36246K103 4,196 364,245 SH   SOLE   364,245 0 0
THE GDL FUND Sh Ben Int 361570104 4,244 456,355 SH   SOLE   456,355 0 0
THE MEXICO FUND, INC. Common 592835102 2,165 157,534 SH   SOLE   157,534 0 0
THE SOUTHERN COMPANY Common 842587107 1,401 22,000 SH   SOLE   22,000 0 0
THE TJX COMPANIES INC Common 872540109 4,702 77,000 SH   SOLE   77,000 0 0
THE WALT DISNEY CO Common 254687106 14,318 99,000 SH   SOLE   99,000 0 0
THERMO FISHER SCIENTIFIC Common 883556102 7,147 22,000 SH   SOLE   22,000 0 0
TORTOISE PIPELINE & ENRGY Common 89148H108 520 40,414 SH   SOLE   40,414 0 0
TRI CONTINENTAL Common 895436103 2,566 90,977 SH   SOLE   90,977 0 0
TRUIST FINANCIAL CORP Common 89832Q109 5,011 88,965 SH   SOLE   88,965 0 0
UNION PACIFIC CORP Common 907818108 8,497 47,000 SH   SOLE   47,000 0 0
UNITED PARCEL SERVICE B Common 911312106 9,084 77,600 SH   SOLE   77,600 0 0
UNITEDHEALTH GROUP, INC. Common 91324P102 11,465 39,000 SH   SOLE   39,000 0 0
US BANCORP Common 902973304 5,336 90,000 SH   SOLE   90,000 0 0
VERISIGN INC Common 92343E102 1,927 10,000 SH   SOLE   10,000 0 0
VERIZON COMMUNICATIONS Common 92343V104 18,543 302,000 SH   SOLE   302,000 0 0
VISA, INC. - CLASS A Common 92826C839 28,955 154,100 SH   SOLE   154,100 0 0
VOYA ASIA PACIFIC HIGH DI Sh Ben Int 92912J102 945 111,119 SH   SOLE   111,119 0 0
VOYA GLOBAL EQUITY DIVD Sh Ben Int 92912T100 2,217 358,125 SH   SOLE   358,125 0 0
VOYA INFASTRUCTURE INDUS Sh Ben Int 92912X101 4,017 349,023 SH   SOLE   349,023 0 0
VOYA NATURAL RESOURCES EQ Sh Ben Int 92913C106 181 44,024 SH   SOLE   44,024 0 0
WALMART, INC. Common 931142103 17,826 150,000 SH   SOLE   150,000 0 0
WASTE MANAGEMENT INC Common 94106L109 4,330 38,000 SH   SOLE   38,000 0 0
WILLIS TOWERS WATSON PLC Common G96629103 1,616 8,000 SH   SOLE   8,000 0 0
XCEL ENERGY, INC. Common 98389B100 889 14,000 SH   SOLE   14,000 0 0
XILINX INC Common 983919101 1,955 20,000 SH   SOLE   20,000 0 0
ZIMMER BIOMET HOLDINGS Common 98956P102 1,347 9,000 SH   SOLE   9,000 0 0
ZOETIS, INC. Common 98978V103 4,765 36,000 SH   SOLE   36,000 0 0