Adams Diversified Equity Fund (ADX) 13F-HR Quarterly holdings report by institutional manager

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

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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	COM	002824100	18,492	303,200	SH		SOLE		303,200	0	0
AbbVie Inc.	COM	00287Y109	24,617	265,700	SH		SOLE		265,700	0	0
Accenture plc Class A	COM	G1151C101	25,749	157,400	SH		SOLE		157,400	0	0
Adams Natural Resources Fund Inc	COM	00548F105	43,932	2,186,774	SH		SOLE		2,186,774	0	0
Adobe Systems Incorporated	COM	00724F101	28,575	117,200	SH		SOLE		117,200	0	0
Advance Auto Parts, Inc.	COM	00751Y106	22,594	166,500	SH		SOLE		166,500	0	0
Aflac Incorporated	COM	001055102	13,607	316,300	SH		SOLE		316,300	0	0
Alexion Pharmaceuticals, Inc	COM	015351109	13,309	107,200	SH		SOLE		107,200	0	0
Alphabet Inc. Class A	COM	02079K107	31,346	28,097	SH		SOLE		28,097	0	0
Alphabet Inc. Class C	COM	02079K305	34,892	30,900	SH		SOLE		30,900	0	0
Amazon.com, Inc.	COM	023135106	72,751	42,800	SH		SOLE		42,800	0	0
American Tower Corp.	COM	03027X100	12,384	85,900	SH		SOLE		85,900	0	0
Andeavor Corp.	COM	03349M105	8,920	68,000	SH		SOLE		68,000	0	0
Apple Inc.	COM	037833100	63,937	345,400	SH		SOLE		345,400	0	0
AT&T Inc.	COM	00206R102	12,937	402,882	SH		SOLE		402,882	0	0
Bank of America Corp	COM	060505104	41,451	1,470,400	SH		SOLE		1,470,400	0	0
Becton, Dickinson and Company	COM	075887109	23,429	97,800	SH		SOLE		97,800	0	0
Berkshire Hathaway Inc. Class B	COM	084670702	41,698	223,400	SH		SOLE		223,400	0	0
Biogen Inc.	COM	09062X103	14,193	48,900	SH		SOLE		48,900	0	0
BlackRock, Inc.	COM	09247X101	20,660	41,400	SH		SOLE		41,400	0	0
Broadcom Inc.	COM	11135F101	22,590	93,100	SH		SOLE		93,100	0	0
Caterpillar Inc.	COM	149123101	18,872	139,100	SH		SOLE		139,100	0	0
Chipotle Mexican Grill, Inc.	COM	169656105	6,902	16,000	SH		SOLE		16,000	0	0
Cintas Corporation	COM	172908105	16,009	86,500	SH		SOLE		86,500	0	0
Cisco Systems, Inc.	COM	17275R102	16,295	378,700	SH		SOLE		378,700	0	0
Comcast Corp. Class A	COM	20030N101	9,384	286,000	SH		SOLE		286,000	0	0
Constellation Brands Inc. Class A	COM	21036P108	13,264	60,600	SH		SOLE		60,600	0	0
Consumer Discretionary Sector SPDR Fund	COM	81369Y407	3,115	28,500	SH		SOLE		28,500	0	0
Costco Wholesale Corporation	COM	22160K105	16,280	77,900	SH		SOLE		77,900	0	0
CVS Health Corp.	COM	126650100	11,248	174,800	SH		SOLE		174,800	0	0
Delta Air Lines, Inc	COM	247361702	13,980	282,200	SH		SOLE		282,200	0	0
Dollar General Corp.	COM	256677105	19,122	193,937	SH		SOLE		193,937	0	0
DowDuPont Inc.	COM	26078J100	13,619	206,600	SH		SOLE		206,600	0	0
Edwards Lifesciences Corp.	COM	28176E108	21,996	151,100	SH		SOLE		151,100	0	0
Emerson Electric Co.	COM	291011104	17,824	257,800	SH		SOLE		257,800	0	0
Exelon Corporation	COM	30161N101	12,750	299,300	SH		SOLE		299,300	0	0
Exxon Mobil Corp.	COM	30231G102	25,506	308,300	SH		SOLE		308,300	0	0
Facebook, Inc.	COM	30303M102	52,369	269,500	SH		SOLE		269,500	0	0
FedEx Corp.	COM	31428X106	19,573	86,200	SH		SOLE		86,200	0	0
Freeport-McMoRan Inc	COM	35671D857	7,158	414,700	SH		SOLE		414,700	0	0
General Electric Company	COM	369604103	3,355	246,500	SH		SOLE		246,500	0	0
Halliburton Company	COM	406216101	15,969	354,400	SH		SOLE		354,400	0	0
Home Depot, Inc.	COM	437076102	39,547	202,700	SH		SOLE		202,700	0	0
Honeywell International Inc.	COM	438516106	27,802	193,000	SH		SOLE		193,000	0	0
Intercontinental Exchange, Inc.	COM	45866F104	27,942	379,900	SH		SOLE		379,900	0	0
JPMorgan Chase & Co.	COM	46625H100	33,313	319,700	SH		SOLE		319,700	0	0
Laboratory Corp. of America Holdings	COM	50540R409	19,335	107,700	SH		SOLE		107,700	0	0
Lam Research Corp.	COM	512807108	6,810	39,400	SH		SOLE		39,400	0	0
Lazard Ltd Class A	COM	G54050102	9,684	198,000	SH		SOLE		198,000	0	0
Lowe's Companies, Inc.	COM	548661107	19,219	201,100	SH		SOLE		201,100	0	0
LyondellBasell Industries N.V.	COM	N53745100	10,293	93,700	SH		SOLE		93,700	0	0
Magna International Inc.	COM	559222401	10,696	184,000	SH		SOLE		184,000	0	0
Mastercard Incorporated Class A	COM	57636Q104	29,026	147,700	SH		SOLE		147,700	0	0
Merck & Co., Inc.	COM	58933Y105	23,394	385,400	SH		SOLE		385,400	0	0
Microsoft Corp.	COM	594918104	82,517	836,800	SH		SOLE		836,800	0	0
Monster Beverage Corporation	COM	61174X109	9,002	157,100	SH		SOLE		157,100	0	0
Netflix, Inc.	COM	64110L106	6,302	16,100	SH		SOLE		16,100	0	0
NextEra Energy, Inc.	COM	65339F101	16,536	99,000	SH		SOLE		99,000	0	0
Occidental Petroleum Corp.	COM	674599105	9,389	112,200	SH		SOLE		112,200	0	0
Oracle Corp.	COM	68389X105	5,384	122,200	SH		SOLE		122,200	0	0
PepsiCo, Inc.	COM	713448108	14,632	134,400	SH		SOLE		134,400	0	0
Pfizer Inc.	COM	717081103	19,992	551,040	SH		SOLE		551,040	0	0
Philip Morris International Inc.	COM	718172109	23,843	295,300	SH		SOLE		295,300	0	0
Pioneer Natural Resources Company	COM	723787107	10,938	57,800	SH		SOLE		57,800	0	0
Prologis, Inc.	COM	74340W103	15,509	236,100	SH		SOLE		236,100	0	0
Public Service Enterprise Group Inc	COM	744573106	9,415	173,900	SH		SOLE		173,900	0	0
Public Storage	COM	74460D109	19,533	86,100	SH		SOLE		86,100	0	0
Salesforce.com, Inc.	COM	79466L302	24,716	181,200	SH		SOLE		181,200	0	0
SBA Communications Corp. Class A	COM	78410G104	7,728	46,800	SH		SOLE		46,800	0	0
Simon Property Group Inc.	COM	828806109	14,738	86,600	SH		SOLE		86,600	0	0
SunTrust Banks, Inc.	COM	867914103	24,962	378,100	SH		SOLE		378,100	0	0
The Boeing Company	COM	097023105	33,954	101,200	SH		SOLE		101,200	0	0
The Coca-Cola Company	COM	191216100	7,097	161,800	SH		SOLE		161,800	0	0
The Goldman Sachs Group, Inc.	COM	38141G104	11,139	50,500	SH		SOLE		50,500	0	0
The Procter & Gamble Company	COM	742718109	10,292	131,850	SH		SOLE		131,850	0	0
The Walt Disney Company	COM	254687106	7,211	68,800	SH		SOLE		68,800	0	0
Thermo Fisher Scientific Inc.	COM	883556102	30,118	145,400	SH		SOLE		145,400	0	0
Tractor Supply Company	COM	892356106	14,044	183,600	SH		SOLE		183,600	0	0
Union Pacific Corp.	COM	907818108	31,099	219,500	SH		SOLE		219,500	0	0
Unitedhealth Group Incorporated	COM	91324P102	39,843	162,400	SH		SOLE		162,400	0	0
Verizon Communications Inc.	COM	92343V104	8,633	171,600	SH		SOLE		171,600	0	0
Visa Inc.	COM	92826C839	43,139	325,700	SH		SOLE		325,700	0	0
Wal-Mart Stores, Inc	COM	931142103	22,038	257,300	SH		SOLE		257,300	0	0
WEC Energy Group Inc	COM	92939U106	10,745	166,200	SH		SOLE		166,200	0	0
Wells Fargo & Company	COM	949746101	19,875	358,500	SH		SOLE		358,500	0	0
Acadia Realty Trust	COM	004239109	758	27,700	SH		DFND		0	0	27,700
Advanced Energy Industries, Inc.	COM	007973100	412	7,100	SH		DFND		0	0	7,100
Aegion Corp.	COM	00770F104	713	27,700	SH		DFND		0	0	27,700
ALLETE, Inc.	COM	018522300	790	10,200	SH		DFND		0	0	10,200
AMAG Pharmaceuticals Inc.	COM	00163U106	386	19,800	SH		DFND		0	0	19,800
Amedisys, Inc.	COM	023436108	846	9,900	SH		DFND		0	0	9,900
American Equity Investment Life Hold	COM	025676206	749	20,800	SH		DFND		0	0	20,800
Amkor Technology, Inc.	COM	031652100	535	62,300	SH		DFND		0	0	62,300
AMN Healthcare Services, Inc.	COM	001744101	908	15,500	SH		DFND		0	0	15,500
Aspen Technology Inc	COM	045327103	844	9,100	SH		DFND		0	0	9,100
Benchmark Electronics, Inc.	COM	08160H101	682	23,400	SH		DFND		0	0	23,400
Boston Beer Company, Inc. Class A	COM	100557107	599	2,000	SH		DFND		0	0	2,000
CalAmp Corp.	COM	128126109	911	38,900	SH		DFND		0	0	38,900
Cardtronics PLC	COM	G1991C105	745	30,800	SH		DFND		0	0	30,800
Carolina Financial C	COM	143873107	850	19,800	SH		DFND		0	0	19,800
Carrizo Oil & Gas, Inc.	COM	144577103	582	20,900	SH		DFND		0	0	20,900
Cathay General Bancorp	COM	149150104	781	19,300	SH		DFND		0	0	19,300
Cerus Corporation	COM	157085101	732	109,800	SH		DFND		0	0	109,800
ChemoCentryx, Inc.	COM	16383L106	566	43,000	SH		DFND		0	0	43,000
Cirrus Logic, Inc.	COM	172755100	506	13,200	SH		DFND		0	0	13,200
CNO Financial Group, Inc.	COM	12621E103	636	33,400	SH		DFND		0	0	33,400
Cogent Communication Holdings Inc	COM	19239V302	908	17,000	SH		DFND		0	0	17,000
Commvault Systems, Inc.	COM	204166102	751	11,400	SH		DFND		0	0	11,400
Continental Building Products, Inc.	COM	211171103	836	26,500	SH		DFND		0	0	26,500
Costamare Inc.	COM	Y1771G102	775	97,100	SH		DFND		0	0	97,100
CSG Systems International, Inc.	COM	126349109	727	17,800	SH		DFND		0	0	17,800
Customers Bancorp, Inc.	COM	23204G100	596	21,000	SH		DFND		0	0	21,000
CyrusOne Inc.	COM	23283R100	776	13,300	SH		DFND		0	0	13,300
CytomX Therapeutics,	COM	23284F105	407	17,800	SH		DFND		0	0	17,800
Dana Incorporated	COM	235825205	763	37,800	SH		DFND		0	0	37,800
DCT Industrial Trust Inc.	COM	233153204	921	13,800	SH		DFND		0	0	13,800
Delek US Holdings, Inc.	COM	24665A103	652	13,000	SH		DFND		0	0	13,000
Deluxe Corp.	COM	248019101	583	8,800	SH		DFND		0	0	8,800
Diamond Offshore Drilling, Inc.	COM	25271C102	578	27,700	SH		DFND		0	0	27,700
Editas Medicine, Inc	COM	28106W103	573	16,000	SH		DFND		0	0	16,000
EMCOR Group, Inc.	COM	29084Q100	693	9,100	SH		DFND		0	0	9,100
Emergent BioSolutions Inc.	COM	29089Q105	646	12,800	SH		DFND		0	0	12,800
Empire State Realty Trust, Inc. Class A	COM	292104106	554	32,400	SH		DFND		0	0	32,400
Enanta Pharmaceuticals, Inc	COM	29251M106	626	5,400	SH		DFND		0	0	5,400
Enterprise Financial Services Corp	COM	293712105	771	14,300	SH		DFND		0	0	14,300
EPAM Systems, Inc.	COM	29414B104	783	6,300	SH		DFND		0	0	6,300
Essent Group Ltd.	COM	G3198U102	613	17,100	SH		DFND		0	0	17,100
Ethan Allen Interiors Inc.	COM	297602104	809	33,000	SH		DFND		0	0	33,000
Federal Agricultural Mortgage Corp. Class C	COM	313148306	877	9,800	SH		DFND		0	0	9,800
First Bancorp	COM	318910106	765	18,700	SH		DFND		0	0	18,700
Gray Television, Inc	COM	389375106	700	44,300	SH		DFND		0	0	44,300
Halozyme Therapeutic Inc.	COM	40637H109	504	29,900	SH		DFND		0	0	29,900
Harsco Corp.	COM	415864107	966	43,700	SH		DFND		0	0	43,700
Heritage Insurance Holdings, Inc.	COM	42727J102	687	41,200	SH		DFND		0	0	41,200
Herman Miller, Inc.	COM	600544100	675	19,900	SH		DFND		0	0	19,900
Heron Therapeutics Inc	COM	427746102	672	17,300	SH		DFND		0	0	17,300
Highwoods Properties Inc.	COM	431284108	659	13,000	SH		DFND		0	0	13,000
Horizon Pharma PLC	COM	G4617B105	565	34,100	SH		DFND		0	0	34,100
Houlihan Lokey, Inc. Class A	COM	441593100	743	14,500	SH		DFND		0	0	14,500
IDACORP, Inc.	COM	451107106	673	7,300	SH		DFND		0	0	7,300
Independent Bank Corp.	COM	453838609	859	33,700	SH		DFND		0	0	33,700
Independent Bank Group, Inc.	COM	45384B106	661	9,900	SH		DFND		0	0	9,900
Ingles Markets, Incorporated Class A	COM	457030104	525	16,500	SH		DFND		0	0	16,500
Integer Holdings Cor	COM	45826H109	789	12,200	SH		DFND		0	0	12,200
Inter Parfums, Inc.	COM	458334109	738	13,800	SH		DFND		0	0	13,800
j2 Global, Inc.	COM	48123V102	823	9,500	SH		DFND		0	0	9,500
Kaiser Aluminum Corp	COM	483007704	614	5,900	SH		DFND		0	0	5,900
KapStone Paper and P	COM	48562P103	642	18,600	SH		DFND		0	0	18,600
KLX Inc	COM	482539103	834	11,600	SH		DFND		0	0	11,600
Lannett Company, Inc	COM	516012101	384	28,200	SH		DFND		0	0	28,200
Ligand Pharmaceuticals Inco	COM	53220K504	725	3,500	SH		DFND		0	0	3,500
Loxo Oncology Inc	COM	548862101	572	3,300	SH		DFND		0	0	3,300
Marriott Vacations Worldwide Corp.	COM	57164Y107	734	6,500	SH		DFND		0	0	6,500
Matador Resources Co	COM	576485205	679	22,600	SH		DFND		0	0	22,600
MGIC Investment Corp	COM	552848103	597	55,700	SH		DFND		0	0	55,700
Minerals Technologies Inc.	COM	603158106	543	7,200	SH		DFND		0	0	7,200
MKS Instruments, Inc	COM	55306N104	440	4,600	SH		DFND		0	0	4,600
MRC Global Inc.	COM	55345K103	600	27,700	SH		DFND		0	0	27,700
National Health Investors, Inc.	COM	63633D104	589	8,000	SH		DFND		0	0	8,000
NCI Building Systems Inc.	COM	628852204	781	37,200	SH		DFND		0	0	37,200
Nelnet, Inc. Class A	COM	64031N108	783	13,400	SH		DFND		0	0	13,400
NIC Inc.	COM	62914B100	815	52,400	SH		DFND		0	0	52,400
Oasis Petroleum Inc.	COM	674215108	577	44,500	SH		DFND		0	0	44,500
Old Second Bancorp, Inc.	COM	680277100	867	60,200	SH		DFND		0	0	60,200
Party City Holdco Inc.	COM	702149105	753	49,400	SH		DFND		0	0	49,400
Pattern Energy Group Inc. Class A	COM	70338P100	765	40,800	SH		DFND		0	0	40,800
Pebblebrook Hotel Trust	COM	70509V100	799	20,600	SH		DFND		0	0	20,600
Penn National Gaming Inc.	COM	707569109	924	27,500	SH		DFND		0	0	27,500
PennyMac Financial Services, Inc. Cl A	COM	70932B101	625	31,800	SH		DFND		0	0	31,800
Pennymac Mortgage Investment Trust	COM	70931T103	739	38,900	SH		DFND		0	0	38,900
Perry Ellis International, Inc.	COM	288853104	1,005	37,000	SH		DFND		0	0	37,000
Phibro Animal Health Corporation Class A	COM	71742Q106	507	11,000	SH		DFND		0	0	11,000
PolyOne Corp.	COM	73179P106	588	13,600	SH		DFND		0	0	13,600
Portland General Electric Company	COM	736508847	637	14,900	SH		DFND		0	0	14,900
Progress Software Corp.	COM	743312100	749	19,300	SH		DFND		0	0	19,300
QuinStreet, Inc.	COM	74874Q100	759	59,800	SH		DFND		0	0	59,800
RadNet, Inc.	COM	750491102	980	65,300	SH		DFND		0	0	65,300
Red Robin Gourmet Burgers, Inc.	COM	75689M101	517	11,100	SH		DFND		0	0	11,100
Resources Connection Inc.	COM	76122Q105	825	48,800	SH		DFND		0	0	48,800
Restoration Hardware Holdings, Inc.	COM	74967X103	838	6,000	SH		DFND		0	0	6,000
Rexnord Corporation	COM	76169B102	750	25,800	SH		DFND		0	0	25,800
RLJ Lodging Trust	COM	74965L101	743	33,700	SH		DFND		0	0	33,700
Ruth's Hospitality Group, Inc.	COM	783332109	971	34,600	SH		DFND		0	0	34,600
Sanmina Corp.	COM	801056102	803	27,400	SH		DFND		0	0	27,400
Schnitzer Steel Industries, Inc. Class A	COM	806882106	600	17,800	SH		DFND		0	0	17,800
Select Medical Holdings Corporation	COM	81619Q105	684	37,700	SH		DFND		0	0	37,700
Sinclair Broadcast Group, Inc. Class A	COM	829226109	759	23,600	SH		DFND		0	0	23,600
Sotheby's Class A	COM	835898107	804	14,800	SH		DFND		0	0	14,800
SPX Corp.	COM	784635104	1,027	29,300	SH		DFND		0	0	29,300
Stifel Financial Corp.	COM	860630102	491	9,400	SH		DFND		0	0	9,400
SYNNEX Corporation	COM	87162W100	695	7,200	SH		DFND		0	0	7,200
Tailored Brands, Inc	COM	87403A107	743	29,100	SH		DFND		0	0	29,100
Tech Data Corp.	COM	878237106	682	8,300	SH		DFND		0	0	8,300
Tenet Healthcare Corporation	COM	88033G407	739	22,000	SH		DFND		0	0	22,000
Tetra Tech, Inc.	COM	88162G103	1,053	18,000	SH		DFND		0	0	18,000
The Greenbrier Companies, Inc.	COM	393657101	934	17,700	SH		DFND		0	0	17,700
TopBuild Corp	COM	89055F103	729	9,300	SH		DFND		0	0	9,300
Travelport Worldwide Ltd	COM	G9019D104	743	40,100	SH		DFND		0	0	40,100
TriMas Corporation	COM	896215209	797	27,100	SH		DFND		0	0	27,100
Trinseo S.A.	COM	L9340P101	667	9,400	SH		DFND		0	0	9,400
TTM Technologies, Inc.	COM	87305R109	970	55,000	SH		DFND		0	0	55,000
Umpqua Holdings Corporation	COM	904214103	773	34,200	SH		DFND		0	0	34,200
Unit Corporation	COM	909218109	698	27,300	SH		DFND		0	0	27,300
Univar, Inc.	COM	91336L107	619	23,600	SH		DFND		0	0	23,600
Vector Group Ltd.	COM	92240M108	517	27,100	SH		DFND		0	0	27,100
Virtusa Corporation	COM	92827P102	589	12,100	SH		DFND		0	0	12,100
Walker & Dunlop, Inc	COM	93148P102	918	16,500	SH		DFND		0	0	16,500
WellCare Health Plans, Inc.	COM	94946T106	788	3,200	SH		DFND		0	0	3,200
Wintrust Financial Corporation	COM	97650W108	688	7,900	SH		DFND		0	0	7,900
YRC Worldwide Inc.	COM	984249607	638	63,500	SH		DFND		0	0	63,500
Zumiez Inc.	COM	989817101	927	37,000	SH		DFND		0	0	37,000