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
AbbVie, Inc.	COM	00287Y109	31,257	323,200	SH		SOLE	0	323,200	0	0
Adams Natural Resources Fund, Inc.	COM	00548F105	43,386	2,186,774	SH		SOLE	0	2,186,774	0	0
Adobe Systems Incorporated	COM	00724F101	20,538	117,200	SH		SOLE	0	117,200	0	0
Aetna Inc.	COM	00817Y108	33,174	183,900	SH		SOLE	0	183,900	0	0
Albemarle Corporation	COM	012653101	9,758	76,300	SH		SOLE	0	76,300	0	0
Alexion Pharmaceuticals, Inc.	COM	015351109	8,778	73,400	SH		SOLE	0	73,400	0	0
Alphabet Inc. Class A	COM	02079K305	32,550	30,900	SH		SOLE	0	30,900	0	0
Alphabet Inc. Class C	COM	02079K107	29,401	28,097	SH		SOLE	0	28,097	0	0
Amazon.com, Inc.	COM	023135106	51,574	44,100	SH		SOLE	0	44,100	0	0
American Express Company	COM	025816109	37,569	378,300	SH		SOLE	0	378,300	0	0
American Tower Corporation	COM	03027X100	12,255	85,900	SH		SOLE	0	85,900	0	0
Amgen Inc.	COM	031162100	19,703	113,300	SH		SOLE	0	113,300	0	0
Andeavor	COM	03349M105	7,775	68,000	SH		SOLE	0	68,000	0	0
Apple Inc.	COM	037833100	80,130	473,500	SH		SOLE	0	473,500	0	0
AT&T Inc.	COM	00206R102	10,194	262,200	SH		SOLE	0	262,200	0	0
AvalonBay Communities, Inc.	COM	053484101	9,598	53,800	SH		SOLE	0	53,800	0	0
Bank of America Corporation	COM	060505104	40,490	1,371,600	SH		SOLE	0	1,371,600	0	0
Becton, Dickinson and Company	COM	075887109	19,009	88,800	SH		SOLE	0	88,800	0	0
Berkshire Hathaway Inc. Class B	COM	084670702	23,350	117,800	SH		SOLE	0	117,800	0	0
BlackRock, Inc.	COM	09247X101	21,268	41,400	SH		SOLE	0	41,400	0	0
Boeing Company	COM	097023105	33,826	114,700	SH		SOLE	0	114,700	0	0
Broadcom Limited	COM	Y09827109	23,917	93,100	SH		SOLE	0	93,100	0	0
Carnival Corporation	COM	143658300	9,192	138,500	SH		SOLE	0	138,500	0	0
Celgene Corporation	COM	151020104	11,834	113,400	SH		SOLE	0	113,400	0	0
CenterPoint Energy, Inc.	COM	15189T107	11,372	401,000	SH		SOLE	0	401,000	0	0
Chubb Limited	COM	H1467J104	11,515	78,800	SH		SOLE	0	78,800	0	0
Cisco Systems, Inc.	COM	17275R102	10,414	271,900	SH		SOLE	0	271,900	0	0
Citigroup Inc	COM	172967424	12,813	172,200	SH		SOLE	0	172,200	0	0
Coca-Cola Company	COM	191216100	8,534	186,000	SH		SOLE	0	186,000	0	0
Cognizant Technology Solutions Corporation Class A	COM	192446102	5,312	74,800	SH		SOLE	0	74,800	0	0
Colgate-Palmolive Company	COM	194162103	11,815	156,600	SH		SOLE	0	156,600	0	0
Comcast Corporation Class A	COM	20030N101	40,410	1,009,000	SH		SOLE	0	1,009,000	0	0
Concho Resources Inc.	COM	20605P101	10,951	72,900	SH		SOLE	0	72,900	0	0
Costco Wholesale Corporation	COM	22160K105	14,499	77,900	SH		SOLE	0	77,900	0	0
Cummins Inc.	COM	231021106	24,041	136,100	SH		SOLE	0	136,100	0	0
CVS Health Corporation	COM	126650100	12,673	174,800	SH		SOLE	0	174,800	0	0
Delta Air Lines, Inc.	COM	247361702	15,803	282,200	SH		SOLE	0	282,200	0	0
Dollar General Corporation	COM	256677105	18,038	193,937	SH		SOLE	0	193,937	0	0
DowDuPont Inc.	COM	26078J100	14,835	208,300	SH		SOLE	0	208,300	0	0
DXC Technology Co.	COM	23355L106	13,571	143,000	SH		SOLE	0	143,000	0	0
Exxon Mobil Corporation	COM	30231G102	25,786	308,300	SH		SOLE	0	308,300	0	0
Facebook, Inc. Class A	COM	30303M102	48,138	272,800	SH		SOLE	0	272,800	0	0
Fortive Corp.	COM	34959J108	20,236	279,700	SH		SOLE	0	279,700	0	0
General Electric Company	COM	369604103	4,301	246,500	SH		SOLE	0	246,500	0	0
Halliburton Company	COM	406216101	17,320	354,400	SH		SOLE	0	354,400	0	0
Home Depot, Inc.	COM	437076102	33,623	177,400	SH		SOLE	0	177,400	0	0
Honeywell International Inc.	COM	438516106	29,599	193,000	SH		SOLE	0	193,000	0	0
Intercontinental Exchange, Inc.	COM	45866F104	26,806	379,900	SH		SOLE	0	379,900	0	0
Johnson & Johnson	COM	478160104	33,798	241,900	SH		SOLE	0	241,900	0	0
JPMorgan Chase & Co.	COM	46625H100	19,057	178,200	SH		SOLE	0	178,200	0	0
Lam Research Corporation	COM	512807108	12,277	66,700	SH		SOLE	0	66,700	0	0
Lowe's Companies, Inc.	COM	548661107	23,616	254,100	SH		SOLE	0	254,100	0	0
LyondellBasell Industries N.V.	COM	N53745100	10,337	93,700	SH		SOLE	0	93,700	0	0
Magna International Inc.	COM	559222401	14,281	252,000	SH		SOLE	0	252,000	0	0
Mastercard Incorporated Class A	COM	57636Q104	22,356	147,700	SH		SOLE	0	147,700	0	0
McKesson Corporation	COM	58155Q103	9,201	59,000	SH		SOLE	0	59,000	0	0
Microsoft Corporation	COM	594918104	71,580	836,800	SH		SOLE	0	836,800	0	0
NextEra Energy, Inc.	COM	65339F101	17,462	111,800	SH		SOLE	0	111,800	0	0
Oracle Corporation	COM	68389X105	5,778	122,200	SH		SOLE	0	122,200	0	0
Parker-Hannifin Corporation	COM	701094104	20,637	103,400	SH		SOLE	0	103,400	0	0
PepsiCo, Inc.	COM	713448108	27,630	230,400	SH		SOLE	0	230,400	0	0
Pfizer Inc.	COM	717081103	25,461	702,940	SH		SOLE	0	702,940	0	0
Philip Morris International Inc.	COM	718172109	31,198	295,300	SH		SOLE	0	295,300	0	0
Pioneer Natural Resources Company	COM	723787107	9,991	57,800	SH		SOLE	0	57,800	0	0
Procter & Gamble Company	COM	742718109	12,114	131,850	SH		SOLE	0	131,850	0	0
Prologis, Inc.	COM	74340W103	22,682	351,600	SH		SOLE	0	351,600	0	0
Public Service Enterprise Group Inc	COM	744573106	12,824	249,000	SH		SOLE	0	249,000	0	0
salesforce.com, inc.	COM	79466L302	18,524	181,200	SH		SOLE	0	181,200	0	0
SBA Communications Corp. Class A	COM	78410G104	7,645	46,800	SH		SOLE	0	46,800	0	0
Signature Bank	COM	82669G104	12,738	92,800	SH		SOLE	0	92,800	0	0
SPDR S&P 500 ETF Trust	COM	78462F103	14,490	54,300	SH		SOLE	0	54,300	0	0
SunTrust Banks, Inc.	COM	867914103	24,421	378,100	SH		SOLE	0	378,100	0	0
Thermo Fisher Scientific Inc.	COM	883556102	27,609	145,400	SH		SOLE	0	145,400	0	0
TJX Companies Inc	COM	872540109	18,817	246,100	SH		SOLE	0	246,100	0	0
Union Pacific Corporation	COM	907818108	29,435	219,500	SH		SOLE	0	219,500	0	0
UnitedHealth Group Incorporated	COM	91324P102	9,259	42,000	SH		SOLE	0	42,000	0	0
Utilities Select Sector SPDR Fund	COM	81369Y886	6,659	126,400	SH		SOLE	0	126,400	0	0
Verizon Communications Inc.	COM	92343V104	9,083	171,600	SH		SOLE	0	171,600	0	0
Visa Inc. Class A	COM	92826C839	35,460	311,000	SH		SOLE	0	311,000	0	0
Wal-Mart Stores, Inc.	COM	931142103	28,875	292,400	SH		SOLE	0	292,400	0	0
Walt Disney Company	COM	254687106	10,256	95,400	SH		SOLE	0	95,400	0	0
Waters Corporation	COM	941848103	12,016	62,200	SH		SOLE	0	62,200	0	0
Wells Fargo & Company	COM	949746101	37,803	623,100	SH		SOLE	0	623,100	0	0
Acadia Realty Trust	COM	004239109	591	21,600	SH		DFND	1	21,600	0	0
Advanced Energy Industries, Inc.	COM	007973100	520	7,700	SH		DFND	1	7,700	0	0
Aegion Corporation	COM	00770F104	765	30,100	SH		DFND	1	30,100	0	0
Akebia Therapeutics, Inc.	COM	00972D105	424	28,500	SH		DFND	1	28,500	0	0
ALLETE, Inc.	COM	018522300	825	11,100	SH		DFND	1	11,100	0	0
AMAG Pharmaceuticals, Inc.	COM	00163U106	285	21,500	SH		DFND	1	21,500	0	0
American Outdoor Brands Corporation	COM	02874P103	430	33,500	SH		DFND	1	33,500	0	0
Amicus Therapeutics, Inc.	COM	03152W109	502	34,900	SH		DFND	1	34,900	0	0
Amkor Technology, Inc.	COM	031652100	456	45,400	SH		DFND	1	45,400	0	0
AMN Healthcare Services, Inc.	COM	001744101	729	14,800	SH		DFND	1	14,800	0	0
Archrock Inc.	COM	03957W106	537	51,100	SH		DFND	1	51,100	0	0
Aspen Technology, Inc.	COM	045327103	900	13,600	SH		DFND	1	13,600	0	0
Banner Corporation	COM	06652V208	722	13,100	SH		DFND	1	13,100	0	0
Barnes Group Inc.	COM	067806109	924	14,600	SH		DFND	1	14,600	0	0
Belden Inc.	COM	077454106	803	10,400	SH		DFND	1	10,400	0	0
Benchmark Electronics, Inc.	COM	08160H101	739	25,400	SH		DFND	1	25,400	0	0
Blucora, Inc.	COM	095229100	670	30,300	SH		DFND	1	30,300	0	0
Cardtronics plc Class A	COM	G1991C105	620	33,500	SH		DFND	1	33,500	0	0
Cathay General Bancorp	COM	149150104	886	21,000	SH		DFND	1	21,000	0	0
Central Pacific Financial Corp.	COM	154760409	770	25,800	SH		DFND	1	25,800	0	0
Chefs' Warehouse, Inc.	COM	163086101	672	32,800	SH		DFND	1	32,800	0	0
Cirrus Logic, Inc.	COM	172755100	420	8,100	SH		DFND	1	8,100	0	0
CNO Financial Group, Inc.	COM	12621E103	896	36,300	SH		DFND	1	36,300	0	0
Cogent Communications Holdings Inc	COM	19239V302	833	18,400	SH		DFND	1	18,400	0	0
CommVault Systems, Inc.	COM	204166102	651	12,400	SH		DFND	1	12,400	0	0
Continental Building Products, Inc.	COM	211171103	811	28,800	SH		DFND	1	28,800	0	0
Costamare Inc.	COM	Y1771G102	609	105,500	SH		DFND	1	105,500	0	0
CSG Systems International, Inc.	COM	126349109	850	19,400	SH		DFND	1	19,400	0	0
CubeSmart	COM	229663109	752	26,000	SH		DFND	1	26,000	0	0
Customers Bancorp, Inc.	COM	23204G100	593	22,800	SH		DFND	1	22,800	0	0
CyrusOne, Inc.	COM	23283R100	857	14,400	SH		DFND	1	14,400	0	0
Dana Incorporated	COM	235825205	1,027	32,100	SH		DFND	1	32,100	0	0
Darling Ingredients Inc.	COM	237266101	607	33,500	SH		DFND	1	33,500	0	0
DCT Industrial Trust Inc.	COM	233153204	882	15,000	SH		DFND	1	15,000	0	0
Delek US Holdings Inc	COM	24665A103	772	22,100	SH		DFND	1	22,100	0	0
Deluxe Corporation	COM	248019101	730	9,500	SH		DFND	1	9,500	0	0
EMCOR Group, Inc.	COM	29084Q100	809	9,900	SH		DFND	1	9,900	0	0
Emergent BioSolutions Inc.	COM	29089Q105	646	13,900	SH		DFND	1	13,900	0	0
Empire State Realty Trust, Inc. Class A	COM	292104106	723	35,200	SH		DFND	1	35,200	0	0
Enanta Pharmaceuticals, Inc.	COM	29251M106	634	10,800	SH		DFND	1	10,800	0	0
Essent Group Ltd.	COM	G3198U102	808	18,600	SH		DFND	1	18,600	0	0
Esterline Technologies Corporation	COM	297425100	620	8,300	SH		DFND	1	8,300	0	0
Ethan Allen Interiors Inc.	COM	297602104	581	20,300	SH		DFND	1	20,300	0	0
Exact Sciences Corporation	COM	30063P105	578	11,000	SH		DFND	1	11,000	0	0
ExlService Holdings, Inc.	COM	302081104	766	12,700	SH		DFND	1	12,700	0	0
Federal Agricultural Mortgage Corporation Class C	COM	313148306	837	10,700	SH		DFND	1	10,700	0	0
First Foundation, Inc.	COM	32026V104	806	43,500	SH		DFND	1	43,500	0	0
Flagstar Bancorp, Inc.	COM	337930705	827	22,100	SH		DFND	1	22,100	0	0
Greenbrier Companies, Inc.	COM	393657101	1,023	19,200	SH		DFND	1	19,200	0	0
Halyard Health Inc	COM	40650V100	762	16,500	SH		DFND	1	16,500	0	0
Harsco Corporation	COM	415864107	886	47,500	SH		DFND	1	47,500	0	0
HealthSouth Corporation	COM	421924309	697	14,100	SH		DFND	1	14,100	0	0
Highwoods Properties, Inc.	COM	431284108	718	14,100	SH		DFND	1	14,100	0	0
Horizon Pharma plc	COM	G4617B105	540	37,000	SH		DFND	1	37,000	0	0
Independent Bank Corporation	COM	453838609	818	36,600	SH		DFND	1	36,600	0	0
Ingles Markets, Incorporated Class A	COM	457030104	820	23,700	SH		DFND	1	23,700	0	0
Inogen, Inc.	COM	45780L104	953	8,000	SH		DFND	1	8,000	0	0
Inter Parfums, Inc.	COM	458334109	652	15,000	SH		DFND	1	15,000	0	0
j2 Global, Inc.	COM	48123V102	773	10,300	SH		DFND	1	10,300	0	0
Kaiser Aluminum Corporation	COM	483007704	908	8,500	SH		DFND	1	8,500	0	0
KapStone Paper and Packaging Corporation	COM	48562P103	669	29,500	SH		DFND	1	29,500	0	0
KLX, Inc.	COM	482539103	1,147	16,800	SH		DFND	1	16,800	0	0
Lannett Company, Inc.	COM	516012101	710	30,600	SH		DFND	1	30,600	0	0
Ligand Pharmaceuticals Incorporated	COM	53220K504	520	3,800	SH		DFND	1	3,800	0	0
Lithia Motors, Inc. Class A	COM	536797103	852	7,500	SH		DFND	1	7,500	0	0
Marriott Vacations Worldwide Corporation	COM	57164Y107	960	7,100	SH		DFND	1	7,100	0	0
Masimo Corporation	COM	574795100	678	8,000	SH		DFND	1	8,000	0	0
Matador Resources Company	COM	576485205	763	24,500	SH		DFND	1	24,500	0	0
MGIC Investment Corporation	COM	552848103	854	60,500	SH		DFND	1	60,500	0	0
Minerals Technologies Inc.	COM	603158106	537	7,800	SH		DFND	1	7,800	0	0
MKS Instruments, Inc.	COM	55306N104	595	6,300	SH		DFND	1	6,300	0	0
National Bank Holdings Corporation Class A	COM	633707104	749	23,100	SH		DFND	1	23,100	0	0
National Health Investors, Inc.	COM	63633D104	656	8,700	SH		DFND	1	8,700	0	0
Nelnet, Inc. Class A	COM	64031N108	794	14,500	SH		DFND	1	14,500	0	0
Newpark Resources, Inc.	COM	651718504	556	64,600	SH		DFND	1	64,600	0	0
NIC Inc.	COM	62914B100	657	39,600	SH		DFND	1	39,600	0	0
Old Second Bancorp, Inc.	COM	680277100	893	65,400	SH		DFND	1	65,400	0	0
OraSure Technologies, Inc.	COM	68554V108	632	33,500	SH		DFND	1	33,500	0	0
Party City Holdco, Inc.	COM	702149105	748	53,600	SH		DFND	1	53,600	0	0
Pattern Energy Group, Inc. Class A	COM	70338P100	636	29,600	SH		DFND	1	29,600	0	0
Paycom Software, Inc.	COM	70432V102	924	11,500	SH		DFND	1	11,500	0	0
Pebblebrook Hotel Trust	COM	70509V100	829	22,300	SH		DFND	1	22,300	0	0
Penn National Gaming, Inc.	COM	707569109	1,165	37,200	SH		DFND	1	37,200	0	0
PennyMac Mortgage Investment Trust	COM	70931T103	680	42,300	SH		DFND	1	42,300	0	0
Perry Ellis International, Inc.	COM	288853104	1,007	40,200	SH		DFND	1	40,200	0	0
Photronics, Inc.	COM	719405102	459	53,800	SH		DFND	1	53,800	0	0
Piper Jaffray Companies	COM	724078100	837	9,700	SH		DFND	1	9,700	0	0
PNM Resources, Inc.	COM	69349H107	777	19,200	SH		DFND	1	19,200	0	0
PolyOne Corporation	COM	73179P106	644	14,800	SH		DFND	1	14,800	0	0
Portland General Electric Company	COM	736508847	738	16,200	SH		DFND	1	16,200	0	0
PRA Health Sciences, Inc.	COM	69354M108	838	9,200	SH		DFND	1	9,200	0	0
Progress Software Corporation	COM	743312100	894	21,000	SH		DFND	1	21,000	0	0
RadNet, Inc.	COM	750491102	716	70,900	SH		DFND	1	70,900	0	0
Red Robin Gourmet Burgers, Inc.	COM	75689M101	677	12,000	SH		DFND	1	12,000	0	0
Repligen Corporation	COM	759916109	475	13,100	SH		DFND	1	13,100	0	0
Resources Connection, Inc.	COM	76122Q105	995	64,400	SH		DFND	1	64,400	0	0
RLJ Lodging Trust	COM	74965L101	604	27,500	SH		DFND	1	27,500	0	0
Ruth's Hospitality Group, Inc.	COM	783332109	814	37,600	SH		DFND	1	37,600	0	0
Sanmina-SCI Corporation	COM	801056102	785	23,800	SH		DFND	1	23,800	0	0
Schnitzer Steel Industries, Inc. Class A	COM	806882106	861	25,700	SH		DFND	1	25,700	0	0
Sinclair Broadcast Group, Inc. Class A	COM	829226109	677	17,900	SH		DFND	1	17,900	0	0
Sotheby's Class A	COM	835898107	826	16,000	SH		DFND	1	16,000	0	0
SPX Corporation	COM	784635104	1,001	31,900	SH		DFND	1	31,900	0	0
Stifel Financial Corp.	COM	860630102	875	14,700	SH		DFND	1	14,700	0	0
Sucampo Pharmaceuticals, Inc. Class A	COM	864909106	899	50,100	SH		DFND	1	50,100	0	0
Supernus Pharmaceuticals, Inc.	COM	868459108	566	14,200	SH		DFND	1	14,200	0	0
Tech Data Corporation	COM	878237106	892	9,100	SH		DFND	1	9,100	0	0
Tenet Healthcare Corporation	COM	88033G407	572	37,700	SH		DFND	1	37,700	0	0
Tetra Tech, Inc.	COM	88162G103	944	19,600	SH		DFND	1	19,600	0	0
Time, Inc.	COM	887228104	1,018	55,200	SH		DFND	1	55,200	0	0
Travelport Worldwide Ltd.	COM	G9019D104	570	43,600	SH		DFND	1	43,600	0	0
Trinseo SA	COM	L9340P101	740	10,200	SH		DFND	1	10,200	0	0
TTM Technologies, Inc.	COM	87305R109	935	59,700	SH		DFND	1	59,700	0	0
Unit Corporation	COM	909218109	653	29,700	SH		DFND	1	29,700	0	0
United Community Banks, Inc.	COM	90984P303	729	25,900	SH		DFND	1	25,900	0	0
Univar, Inc.	COM	91336L107	796	25,700	SH		DFND	1	25,700	0	0
Walker & Dunlop, Inc.	COM	93148P102	850	17,900	SH		DFND	1	17,900	0	0
WellCare Health Plans, Inc.	COM	94946T106	865	4,300	SH		DFND	1	4,300	0	0
Wintrust Financial Corporation	COM	97650W108	848	10,300	SH		DFND	1	10,300	0	0
YRC Worldwide Inc.	COM	984249607	992	69,000	SH		DFND	1	69,000	0	0
Zumiez Inc.	COM	989817101	1,060	50,900	SH		DFND	1	50,900	0	0