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 13,349 113,000 SH   SOLE   113,000 0 0
ABBVIE, INC. Common 00287Y109 10,679 99,000 SH   SOLE   99,000 0 0
ABERDEEN JAPAN EQUITY FUN Common 00306J109 1,474 151,221 SH   SOLE   151,221 0 0
ACCENTURE PLC - CLASS A Common, Cl A G1151C101 2,239 7,000 SH   SOLE   7,000 0 0
ACTIVISION BLIZZARD, INC. Common 00507V109 5,572 72,000 SH   SOLE   72,000 0 0
ADAMS DIVERSIFIED EQUITY Common 006212104 28,034 1,415,876 SH   SOLE   1,415,876 0 0
ADAMS NATURALS RESOURCES Common 00548F105 4,394 280,053 SH   SOLE   280,053 0 0
ADOBE, INC. Common 00724F101 12,666 22,000 SH   SOLE   22,000 0 0
ADVANCED MICRO DEVICES Common 007903107 9,055 88,000 SH   SOLE   88,000 0 0
AGILENT TECHNOLOGIES INC Common 00846U101 3,623 23,000 SH   SOLE   23,000 0 0
AIR PRODUCTS & CHEMICALS Common 009158106 4,610 18,000 SH   SOLE   18,000 0 0
ALLIANZGI NFJ DIVIDEND Common 92840R101 6,473 436,490 SH   SOLE   436,490 0 0
ALPHABET, INC. - CLASS C Sh Ben Int 02079K107 83,691 31,400 SH   SOLE   31,400 0 0
AMAZON.COM INC Common 023135106 105,778 32,200 SH   SOLE   32,200 0 0
AMERICAN ELECTRIC POWER Common 025537101 2,192 27,000 SH   SOLE   27,000 0 0
AMERICAN EXPRESS COMPANY Common 025816109 6,199 37,000 SH   SOLE   37,000 0 0
AMERICAN TOWER CORP Common 03027X100 10,351 39,000 SH   SOLE   39,000 0 0
American Water Works Common 030420103 2,536 15,000 SH   SOLE   15,000 0 0
AMGEN, INC. Common 031162100 3,615 17,000 SH   SOLE   17,000 0 0
ANALOG DEVICES INC Common 032654105 2,010 12,000 SH   SOLE   12,000 0 0
ANTHEM, INC. Common 036752103 7,456 20,000 SH   SOLE   20,000 0 0
AON PLC Common G0403H108 4,858 17,000 SH   SOLE   17,000 0 0
APPLE, INC. Common 037833100 94,239 666,000 SH   SOLE   666,000 0 0
APPLIED MATERIALS INC Common 038222105 7,595 59,000 SH   SOLE   59,000 0 0
AUTODESK INC Common 052769106 6,274 22,000 SH   SOLE   22,000 0 0
BALL CORP Common 058498106 1,799 20,000 SH   SOLE   20,000 0 0
BANK OF AMERICA CORP Common 060505104 22,923 540,000 SH   SOLE   540,000 0 0
BANK OF NEW YORK MELLON Common 064058100 778 15,000 SH   SOLE   15,000 0 0
BERKSHIRE HATHAWAY INC-B Common, Cl B 084670702 44,762 164,000 SH   SOLE   164,000 0 0
BIOGEN IDEC, INC. Common 09062X103 4,528 16,000 SH   SOLE   16,000 0 0
BOEING CO Common 097023105 10,557 48,000 SH   SOLE   48,000 0 0
BOOKING HOLDINGS, INC. Common 09857L108 8,309 3,500 SH   SOLE   3,500 0 0
BOSTON SCIENTIFIC CORP Common 101137107 5,380 124,000 SH   SOLE   124,000 0 0
BRISTOL-MYERS SQUIBB CO Common 110122108 10,828 183,000 SH   SOLE   183,000 0 0
CATERPILLAR INC Common 149123101 7,679 40,000 SH   SOLE   40,000 0 0
CBRE CLARION GLOBAL REAL Common 12504G100 3,879 463,957 SH   SOLE   463,957 0 0
CENTENE CORPORATION Common 15135B101 3,240 52,000 SH   SOLE   52,000 0 0
CHARLES SCHWAB CORP Common 808513105 8,741 120,000 SH   SOLE   120,000 0 0
CHARTER COMMUNICATIONS -A Common, Cl A 16119P108 12,587 17,300 SH   SOLE   17,300 0 0
CHUBB LTD Common H1467J104 4,424 25,500 SH   SOLE   25,500 0 0
CIGNA CORP Sh Ben Int 125523100 6,405 32,000 SH   SOLE   32,000 0 0
CINTAS CORP Common 172908105 3,045 8,000 SH   SOLE   8,000 0 0
CISCO SYSTEMS INC Sh Ben Int 17275R102 2,340 43,000 SH   SOLE   43,000 0 0
CITIGROUP, INC. Common 172967424 12,632 180,000 SH   SOLE   180,000 0 0
CLEARBRIDGE ENERGY OPPORT Common 18469P209 5,685 260,193 SH   SOLE   260,193 0 0
CLEARBRIDGE MLP & MID TOT Common 18469Q207 2,693 112,219 SH   SOLE   112,219 0 0
CLEARBRIDGE MLP & MIDSTRE Common 184692200 7,249 266,982 SH   SOLE   266,982 0 0
COCA-COLA CO (THE) Common 191216100 17,630 336,000 SH   SOLE   336,000 0 0
COMCAST CORP - CLASS A Common, Cl A 20030N101 17,003 304,000 SH   SOLE   304,000 0 0
CONSTELLATION BRANDS INC Common 21036P108 3,160 15,000 SH   SOLE   15,000 0 0
COSTCO WHOLESALE CORP Common 22160K105 17,749 39,500 SH   SOLE   39,500 0 0
CSX CORPORATION Common 126408103 5,978 201,000 SH   SOLE   201,000 0 0
CVS HEALTH CORP Sh Ben Int 126650100 7,977 94,000 SH   SOLE   94,000 0 0
DEERE & COMPANY Common 244199105 9,047 27,000 SH   SOLE   27,000 0 0
DexCom Inc Common 252131107 547 1,000 SH   SOLE   1,000 0 0
DIGITAL REALTY TRUST Common 253868103 3,467 24,000 SH   SOLE   24,000 0 0
Dollar General Corp Common 256677105 4,455 21,000 SH   SOLE   21,000 0 0
DUPONT DE NEMOURS INC Sh Ben Int 26614N102 2,992 44,000 SH   SOLE   44,000 0 0
EBAY INC Common 278642103 4,041 58,000 SH   SOLE   58,000 0 0
EDWARDS LIFESCIENCES Common 28176E108 4,415 39,000 SH   SOLE   39,000 0 0
ELI LILLY & CO Common 532457108 15,018 65,000 SH   SOLE   65,000 0 0
ENERGY SELECT SECTOR SPDR ETF 81369Y506 21,044 404,000 SH   SOLE   404,000 0 0
EQUINIX, INC. Common 29444U700 7,111 9,000 SH   SOLE   9,000 0 0
ESTEE LAUDER CO. - CL A Common, Cl A 518439104 5,999 20,000 SH   SOLE   20,000 0 0
EXELON CORPORATION Common 30161N101 3,882 80,300 SH   SOLE   80,300 0 0
FACEBOOK, INC - CLASS A Common, Cl A 30303M102 37,333 110,000 SH   SOLE   110,000 0 0
FEDEX CORPORATION Sh Ben Int 31428X106 5,263 24,000 SH   SOLE   24,000 0 0
FIDELITY NATL INFORM SERV Common 31620M106 5,354 44,000 SH   SOLE   44,000 0 0
FIRST TR/DYN EUR EQTY INC Common 33740D107 2,382 184,795 SH   SOLE   184,795 0 0
FIRST TRUST ENERGY Common 33738C103 1,238 97,069 SH   SOLE   97,069 0 0
FISERV Common 337738108 4,991 46,000 SH   SOLE   46,000 0 0
FREEPORT MCMORAN, INC. Common 35671D857 4,554 140,000 SH   SOLE   140,000 0 0
GABELLI DIVIDEND & INCOME Common 36242H104 11,489 445,480 SH   SOLE   445,480 0 0
GABELLI GLBL SMALL & MID Sh Ben Int 36249W104 1,049 65,816 SH   SOLE   65,816 0 0
GAMCO NATURAL RESOURCES Common 36465E101 1,724 339,985 SH   SOLE   339,985 0 0
GENERAL AMERICAN INVESTOR Common 368802104 18,840 437,530 SH   SOLE   437,530 0 0
GENERAL DYNAMICS CORP Common 369550108 4,509 23,000 SH   SOLE   23,000 0 0
GENERAL MOTORS COMPANY Common 37045V100 5,693 108,000 SH   SOLE   108,000 0 0
GOLDMAN SACHS GROUP INC Common 38141G104 9,829 26,000 SH   SOLE   26,000 0 0
HCA HEALTHCARE, INC. Common 40412C101 6,311 26,000 SH   SOLE   26,000 0 0
HILTON WORLDWIDE HOLDINGS Common 43300A203 2,114 16,000 SH   SOLE   16,000 0 0
HONEYWELL INTERNATL INC Common 438516106 13,798 65,000 SH   SOLE   65,000 0 0
HP, INC. Common 40434L105 383 14,000 SH   SOLE   14,000 0 0
HUMANA INC Common 444859102 4,670 12,000 SH   SOLE   12,000 0 0
IDEXX LABORATORIES INC Common 45168D104 3,731 6,000 SH   SOLE   6,000 0 0
INDIA FUND, INC. Common 454089103 8,004 346,657 SH   SOLE   346,657 0 0
INTEL CORPORATION Common 458140100 18,115 340,000 SH   SOLE   340,000 0 0
INTERCONTINENTAL EXCHANGE Common 45866F104 2,813 24,500 SH   SOLE   24,500 0 0
INTUIT INC Common 461202103 11,330 21,000 SH   SOLE   21,000 0 0
INVESCO QQQ TRUST SERIES ETF 46090E103 8,591 24,000 SH   SOLE   24,000 0 0
IQVIA HOLDINGS INC. Common 46266C105 4,791 20,000 SH   SOLE   20,000 0 0
ISHARES CORE S&P 500 ETF ETF 464287200 18,956 44,000 SH   SOLE   44,000 0 0
JAPAN SMALLER CAPITAL FD Common 47109U104 4,287 473,656 SH   SOLE   473,656 0 0
JOHNSON & JOHNSON Common 478160104 14,277 88,400 SH   SOLE   88,400 0 0
JOHNSON CONTROLS INTL Common G51502105 4,085 60,000 SH   SOLE   60,000 0 0
JPMORGAN CHASE & CO Common 46625H100 42,068 257,000 SH   SOLE   257,000 0 0
KAYNE ANDERSON MIDSTREAM Common 48661E108 4,812 660,987 SH   SOLE   660,987 0 0
KOREA FUND, INC. Sh Ben Int 500634209 736 17,982 SH   SOLE   17,982 0 0
LAM RESEARCH CORP. Common 512807108 4,553 8,000 SH   SOLE   8,000 0 0
LINDE PLC Common G5494J103 4,107 14,000 SH   SOLE   14,000 0 0
LMP CAPITAL & INCOME FUND Common 50208A102 3,653 265,472 SH   SOLE   265,472 0 0
LOCKHEED MARTIN CORP Common 539830109 7,247 21,000 SH   SOLE   21,000 0 0
LOWE'S COMPANIES INC Common 548661107 12,374 61,000 SH   SOLE   61,000 0 0
MACQUARIE GL TOTAL RE FD Common 55608D101 2,072 88,902 SH   SOLE   88,902 0 0
MASTERCARD INC - CLASS A Common, Cl A 57636Q104 23,990 69,000 SH   SOLE   69,000 0 0
MCDONALD'S CORPORATION Common 580135101 5,304 22,000 SH   SOLE   22,000 0 0
MCKESSON CORP. Common 58155Q103 2,791 14,000 SH   SOLE   14,000 0 0
MEDTRONIC PLC Common, Cl A G5960L103 15,418 123,000 SH   SOLE   123,000 0 0
MERCK & CO., INC. Common 58933Y105 11,867 158,000 SH   SOLE   158,000 0 0
MICRON TECHNOLOGY INC Common 595112103 2,839 40,000 SH   SOLE   40,000 0 0
MICROSOFT CORPORATION Common 594918104 86,831 308,000 SH   SOLE   308,000 0 0
MONSTER BEVERAGE CORP Common 61174X109 2,843 32,000 SH   SOLE   32,000 0 0
MOODY'S CORP Common, Cl B 615369105 4,261 12,000 SH   SOLE   12,000 0 0
MORGAN STANLEY Common 617446448 9,536 98,000 SH   SOLE   98,000 0 0
MORGAN STANLEY INDIA INV Common 61745C105 5,978 216,657 SH   SOLE   216,657 0 0
NETFLIX, INC. Common 64110L106 18,921 31,000 SH   SOLE   31,000 0 0
NEW GERMANY FUND. INC. Common 644465106 2,054 104,005 SH   SOLE   104,005 0 0
NEWMONT CORPORATION Common 651639106 3,801 70,000 SH   SOLE   70,000 0 0
NIKE INC CL B Common, Cl B 654106103 11,037 76,000 SH   SOLE   76,000 0 0
NORFOLK SOUTHERN CORP Common 655844108 5,981 25,000 SH   SOLE   25,000 0 0
NORTHROP GRUMMAN CORP Common 666807102 5,042 14,000 SH   SOLE   14,000 0 0
NUBRGR BRMN MLP ENRGY INC Common 64129H104 1,921 389,711 SH   SOLE   389,711 0 0
NUVEEN TAX-ADV DIV FUND Common 67073G105 853 53,844 SH   SOLE   53,844 0 0
NVIDIA CORP Common 67066G104 29,582 142,800 SH   SOLE   142,800 0 0
ORACLE CORPORATION Common 68389X105 2,178 25,000 SH   SOLE   25,000 0 0
ORGANON & CO. Common 68622V106 518 15,800 SH   SOLE   15,800 0 0
PAYPAL HOLDINGS, INC. Common 70450Y103 21,337 82,000 SH   SOLE   82,000 0 0
PHILIP MORRIS INT'L, INC. Common 718172109 12,797 135,000 SH   SOLE   135,000 0 0
PROGRESSIVE CORPORATION Common 743315103 3,887 43,000 SH   SOLE   43,000 0 0
PUBLIC SERVICE ENTPRS GR Common 744573106 2,375 39,000 SH   SOLE   39,000 0 0
PUBLIC STORAGE Common 74460D109 4,159 14,000 SH   SOLE   14,000 0 0
QUALCOMM, INC. Common 747525103 8,900 69,000 SH   SOLE   69,000 0 0
REGENERON PHARMACEUTICALS Common 75886F107 1,210 2,000 SH   SOLE   2,000 0 0
ROPER TECHNOLOGIES INC. Common 776696106 4,238 9,500 SH   SOLE   9,500 0 0
ROSS STORES, INC. Common 778296103 1,089 10,000 SH   SOLE   10,000 0 0
ROYCE MICRO-CAP TRUST INC Common 780915104 7,412 649,015 SH   SOLE   649,015 0 0
ROYCE VALUE TRUST, INC. Common 780910105 14,579 809,039 SH   SOLE   809,039 0 0
S&P GLOBAL INC Common 78409V104 8,073 19,000 SH   SOLE   19,000 0 0
SALESFORCE.COM INC Sh Ben Int 79466L302 11,391 42,000 SH   SOLE   42,000 0 0
SBA COMMUNICATIONS CORP Common 78410G104 2,975 9,000 SH   SOLE   9,000 0 0
SOUTHWEST AIRLINES CO Common 844741108 2,623 51,000 SH   SOLE   51,000 0 0
SPDR S&P 500 ETF TRUST ETF 78462F103 17,595 41,000 SH   SOLE   41,000 0 0
STARBUCKS CORP Common 855244109 3,861 35,000 SH   SOLE   35,000 0 0
STRYKER CORPORATION Common, Cl A 863667101 7,912 30,000 SH   SOLE   30,000 0 0
SWISS HELVETIA FUND Common, Cl A 870875101 815 88,796 SH   SOLE   88,796 0 0
SYSCO CORPORATION Common, Cl A 871829107 3,376 43,000 SH   SOLE   43,000 0 0
T ROWE PRICE GROUP INC Common 74144T108 1,574 8,000 SH   SOLE   8,000 0 0
TARGET CORPORATION Common 87612E106 8,464 37,000 SH   SOLE   37,000 0 0
TECHNOLOGY SELECT SPDR Sh Ben Int 81369Y803 3,733 25,000 SH   SOLE   25,000 0 0
TEMPLETON EMERGING MRKT Common 880191101 3,004 177,008 SH   SOLE   177,008 0 0
TESLA, INC. Common 88160R101 25,591 33,000 SH   SOLE   33,000 0 0
THE GABELLI HLTHCARE WELL Common 36246K103 2,804 212,269 SH   SOLE   212,269 0 0
THE GDL FUND Common 361570104 1,894 210,880 SH   SOLE   210,880 0 0
THE MEXICO FUND, INC. Common 592835102 499 33,628 SH   SOLE   33,628 0 0
THE TJX COMPANIES INC Common 872540109 7,561 114,600 SH   SOLE   114,600 0 0
THE WALT DISNEY CO Sh Ben Int 254687106 19,455 115,000 SH   SOLE   115,000 0 0
THERMO FISHER SCIENTIFIC Common 883556102 12,569 22,000 SH   SOLE   22,000 0 0
TRANSDIGM GROUP Common, Cl B 893641100 3,123 5,000 SH   SOLE   5,000 0 0
TRI CONTINENTAL Common 895436103 8,598 257,574 SH   SOLE   257,574 0 0
TWITTER INC. Common 90184L102 3,261 54,000 SH   SOLE   54,000 0 0
UNION PACIFIC CORP Common 907818108 11,565 59,000 SH   SOLE   59,000 0 0
UNITED PARCEL SERVICE B Common, Cl B 911312106 9,833 54,000 SH   SOLE   54,000 0 0
UNITEDHEALTH GROUP, INC. Common 91324P102 32,822 84,000 SH   SOLE   84,000 0 0
VERTEX PHARMACEUTICALS Common 92532F100 3,991 22,000 SH   SOLE   22,000 0 0
VIRTUS ALLIANZGI EQUITY Common 92841M101 10,042 340,751 SH   SOLE   340,751 0 0
VISA, INC. - CLASS A Common, Cl A 92826C839 31,853 143,000 SH   SOLE   143,000 0 0
WALGREENS BOOTS ALLIANCE Common 931427108 2,823 60,000 SH   SOLE   60,000 0 0
WASTE MANAGEMENT INC Common 94106L109 4,929 33,000 SH   SOLE   33,000 0 0
WELLS FARGO & CO Common 949746101 13,552 292,000 SH   SOLE   292,000 0 0
ZIMMER BIOMET HOLDINGS Common 98956P102 3,805 26,000 SH   SOLE   26,000 0 0