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	30,502	421,700	SH		SOLE		421,700	0	0
Accenture plc Class A	COM	G1151C101	20,728	147,000	SH		SOLE		147,000	0	0
Adams Natural Resources Fund, Inc.	COM	00548F105	31,861	2,186,774	SH		SOLE		2,186,774	0	0
Adobe Systems Incorporated	COM	00724F101	24,909	110,100	SH		SOLE		110,100	0	0
Advance Auto Parts, Inc.	COM	00751Y106	17,210	109,300	SH		SOLE		109,300	0	0
Aflac Incorporated	COM	001055102	14,411	316,300	SH		SOLE		316,300	0	0
Air Products and Chemicals, Inc.	COM	009158106	9,299	58,100	SH		SOLE		58,100	0	0
Alaska Air Group, Inc.	COM	011659109	8,537	140,300	SH		SOLE		140,300	0	0
Alexion Pharmaceuticals, Inc.	COM	015351109	10,437	107,200	SH		SOLE		107,200	0	0
Alphabet Inc. Class A	COM	02079K305	28,632	27,400	SH		SOLE		27,400	0	0
Alphabet Inc. Class C	COM	02079K107	25,162	24,297	SH		SOLE		24,297	0	0
Altria Group, Inc.	COM	02209S103	10,772	218,100	SH		SOLE		218,100	0	0
Amazon.com, Inc.	COM	023135106	64,284	42,800	SH		SOLE		42,800	0	0
American Tower Corporation	COM	03027X100	13,589	85,900	SH		SOLE		85,900	0	0
Apple Inc.	COM	037833100	46,107	292,300	SH		SOLE		292,300	0	0
AT&T Inc.	COM	00206R102	19,669	689,182	SH		SOLE		689,182	0	0
Ball Corporation	COM	058498106	4,736	103,000	SH		SOLE		103,000	0	0
Bank of America Corp.	COM	060505104	32,660	1,325,500	SH		SOLE		1,325,500	0	0
Berkshire Hathaway Inc. Class B	COM	084670702	39,550	193,700	SH		SOLE		193,700	0	0
Biogen Inc.	COM	09062X103	14,715	48,900	SH		SOLE		48,900	0	0
Boeing Company	COM	097023105	30,960	96,000	SH		SOLE		96,000	0	0
Broadridge Financial Solutions, Inc.	COM	11133T103	11,521	119,700	SH		SOLE		119,700	0	0
Centene Corporation	COM	15135B101	7,598	65,900	SH		SOLE		65,900	0	0
Chipotle Mexican Grill, Inc.	COM	169656105	11,054	25,600	SH		SOLE		25,600	0	0
Cigna Corporation	COM	125523100	9,800	51,600	SH		SOLE		51,600	0	0
Cintas Corporation	COM	172908105	5,292	31,500	SH		SOLE		31,500	0	0
Cisco Systems, Inc.	COM	17275R102	26,310	607,200	SH		SOLE		607,200	0	0
Coca-Cola Company	COM	191216100	7,661	161,800	SH		SOLE		161,800	0	0
Comcast Corporation Class A	COM	20030N101	9,738	286,000	SH		SOLE		286,000	0	0
Constellation Brands, Inc. Class A	COM	21036P108	5,693	35,400	SH		SOLE		35,400	0	0
Costco Wholesale Corporation	COM	22160K105	14,321	70,300	SH		SOLE		70,300	0	0
Delta Air Lines, Inc.	COM	247361702	10,788	216,200	SH		SOLE		216,200	0	0
Diamondback Energy, Inc.	COM	25278X109	8,501	91,700	SH		SOLE		91,700	0	0
Dollar General Corporation	COM	256677105	19,566	181,037	SH		SOLE		181,037	0	0
DowDuPont Inc.	COM	26078J100	11,049	206,600	SH		SOLE		206,600	0	0
Edwards Lifesciences Corporation	COM	28176E108	15,884	103,700	SH		SOLE		103,700	0	0
Emerson Electric Co.	COM	291011104	15,404	257,800	SH		SOLE		257,800	0	0
EOG Resources, Inc.	COM	26875P101	9,279	106,400	SH		SOLE		106,400	0	0
Exelon Corporation	COM	30161N101	13,498	299,300	SH		SOLE		299,300	0	0
Exxon Mobil Corporation	COM	30231G102	11,483	168,400	SH		SOLE		168,400	0	0
Facebook, Inc. Class A	COM	30303M102	19,100	145,700	SH		SOLE		145,700	0	0
General Electric Company	COM	369604103	1,866	246,500	SH		SOLE		246,500	0	0
Home Depot, Inc.	COM	437076102	4,433	25,800	SH		SOLE		25,800	0	0
Honeywell International Inc.	COM	438516106	23,927	181,100	SH		SOLE		181,100	0	0
Intercontinental Exchange, Inc.	COM	45866F104	23,179	307,700	SH		SOLE		307,700	0	0
Johnson & Johnson	COM	478160104	17,783	137,800	SH		SOLE		137,800	0	0
JPMorgan Chase & Co.	COM	46625H100	33,171	339,800	SH		SOLE		339,800	0	0
Lowe's Companies, Inc.	COM	548661107	18,758	203,100	SH		SOLE		203,100	0	0
Marathon Petroleum Corporation	COM	56585A102	11,715	198,525	SH		SOLE		198,525	0	0
Mastercard Incorporated Class A	COM	57636Q104	26,241	139,100	SH		SOLE		139,100	0	0
Medtronic plc	COM	G5960L103	20,257	222,700	SH		SOLE		222,700	0	0
Merck & Co., Inc.	COM	58933Y105	33,720	441,300	SH		SOLE		441,300	0	0
Microsoft Corporation	COM	594918104	80,230	789,900	SH		SOLE		789,900	0	0
Mondelez International, Inc. Class A	COM	609207105	16,825	420,300	SH		SOLE		420,300	0	0
Netflix, Inc.	COM	64110L106	17,853	66,700	SH		SOLE		66,700	0	0
NextEra Energy, Inc.	COM	65339F101	17,208	99,000	SH		SOLE		99,000	0	0
NIKE, Inc. Class B	COM	654106103	21,011	283,400	SH		SOLE		283,400	0	0
NVIDIA Corporation	COM	67066G104	8,103	60,700	SH		SOLE		60,700	0	0
Occidental Petroleum Corporation	COM	674599105	9,851	160,500	SH		SOLE		160,500	0	0
Oracle Corporation	COM	68389X105	5,517	122,200	SH		SOLE		122,200	0	0
Palo Alto Networks, Inc.	COM	697435105	13,448	71,400	SH		SOLE		71,400	0	0
PepsiCo, Inc.	COM	713448108	14,849	134,400	SH		SOLE		134,400	0	0
Pfizer Inc.	COM	717081103	24,053	551,040	SH		SOLE		551,040	0	0
Philip Morris International Inc.	COM	718172109	3,465	51,900	SH		SOLE		51,900	0	0
Procter & Gamble Company	COM	742718109	10,603	115,350	SH		SOLE		115,350	0	0
Prologis, Inc.	COM	74340W103	12,801	218,000	SH		SOLE		218,000	0	0
Public Service Enterprise Group Incorporated	COM	744573106	9,051	173,900	SH		SOLE		173,900	0	0
Public Storage	COM	74460D109	13,501	66,700	SH		SOLE		66,700	0	0
Raymond James Financial, Inc.	COM	754730109	17,665	237,400	SH		SOLE		237,400	0	0
salesforce.com, inc.	COM	79466L302	19,148	139,800	SH		SOLE		139,800	0	0
Sherwin-Williams Company	COM	824348106	7,987	20,300	SH		SOLE		20,300	0	0
Simon Property Group, Inc.	COM	828806109	14,548	86,600	SH		SOLE		86,600	0	0
Southwest Airlines Co.	COM	844741108	6,461	139,000	SH		SOLE		139,000	0	0
SunTrust Banks, Inc.	COM	867914103	7,218	143,100	SH		SOLE		143,100	0	0
Thermo Fisher Scientific Inc.	COM	883556102	29,182	130,400	SH		SOLE		130,400	0	0
Tractor Supply Company	COM	892356106	14,026	168,100	SH		SOLE		168,100	0	0
Travelers Companies, Inc.	COM	89417E109	12,909	107,800	SH		SOLE		107,800	0	0
U.S. Bancorp	COM	902973304	20,428	447,000	SH		SOLE		447,000	0	0
Union Pacific Corporation	COM	907818108	24,287	175,700	SH		SOLE		175,700	0	0
United Technologies Corporation	COM	913017109	17,921	168,300	SH		SOLE		168,300	0	0
UnitedHealth Group Incorporated	COM	91324P102	36,247	145,500	SH		SOLE		145,500	0	0
VanEck Vectors Semiconductor ETF	COM	92189F676	15,806	181,100	SH		SOLE		181,100	0	0
Visa Inc. Class A	COM	92826C839	39,767	301,400	SH		SOLE		301,400	0	0
Walmart Inc.	COM	931142103	22,235	238,700	SH		SOLE		238,700	0	0
Walt Disney Company	COM	254687106	7,544	68,800	SH		SOLE		68,800	0	0
WEC Energy Group Inc.	COM	92939U106	11,511	166,200	SH		SOLE		166,200	0	0
Wells Fargo & Company	COM	949746101	2,548	55,300	SH		SOLE		55,300	0	0
AAR CORP.	COM	000361105	504	13,500	SH		DFND		0	0	13,500
Acadia Realty Trust	COM	004239109	480	20,200	SH		DFND		0	0	20,200
Advanced Drainage Systems Inc	COM	00790R104	553	22,800	SH		DFND		0	0	22,800
Advanced Energy Industries, Inc.	COM	007973100	412	9,600	SH		DFND		0	0	9,600
Aegion Corporation	COM	00770F104	405	24,800	SH		DFND		0	0	24,800
ALLETE, Inc.	COM	018522300	595	7,800	SH		DFND		0	0	7,800
AMAG Pharmaceuticals, Inc.	COM	00163U106	368	24,200	SH		DFND		0	0	24,200
Amedisys, Inc.	COM	023436108	562	4,800	SH		DFND		0	0	4,800
American Equity Investment Life Holding Company	COM	025676206	545	19,500	SH		DFND		0	0	19,500
American Renal Associates	COM	029227105	423	36,739	SH		DFND		0	0	36,739
America's Car-Mart, Inc.	COM	03062T105	601	8,300	SH		DFND		0	0	8,300
Amkor Technology, Inc.	COM	031652100	366	55,800	SH		DFND		0	0	55,800
Aspen Technology, Inc.	COM	045327103	575	7,000	SH		DFND		0	0	7,000
Banner Corporation	COM	06652V208	604	11,300	SH		DFND		0	0	11,300
BioSpecifics Technologies Corp.	COM	090931106	491	8,100	SH		DFND		0	0	8,100
Boston Beer Company, Inc. Class A	COM	100557107	434	1,800	SH		DFND		0	0	1,800
Bottomline Technologies (de), Inc.	COM	101388106	566	11,800	SH		DFND		0	0	11,800
CalAmp Corp.	COM	128126109	453	34,800	SH		DFND		0	0	34,800
Cara Therapeutics Inc	COM	140755109	299	23,000	SH		DFND		0	0	23,000
Cardiovascular Systems, Inc.	COM	141619106	581	20,400	SH		DFND		0	0	20,400
Cardtronics plc Class A	COM	G1991C105	499	19,200	SH		DFND		0	0	19,200
Carrizo Oil & Gas, Inc.	COM	144577103	211	18,700	SH		DFND		0	0	18,700
Cerus Corporation	COM	157085101	593	116,900	SH		DFND		0	0	116,900
Chemocentryx, Inc.	COM	16383L106	421	38,600	SH		DFND		0	0	38,600
Cirrus Logic, Inc.	COM	172755100	392	11,800	SH		DFND		0	0	11,800
CNO Financial Group, Inc.	COM	12621E103	518	34,800	SH		DFND		0	0	34,800
Cogent Communications Holdings Inc	COM	19239V302	570	12,600	SH		DFND		0	0	12,600
CommVault Systems, Inc.	COM	204166102	603	10,200	SH		DFND		0	0	10,200
Continental Building Products, Inc.	COM	211171103	606	23,800	SH		DFND		0	0	23,800
Costamare Inc.	COM	Y1771G102	381	86,900	SH		DFND		0	0	86,900
Covanta Holding Corporation	COM	22282E102	550	41,000	SH		DFND		0	0	41,000
CSG Systems International, Inc.	COM	126349109	505	15,900	SH		DFND		0	0	15,900
CVR Energy, Inc.	COM	12662P108	462	13,400	SH		DFND		0	0	13,400
CyrusOne, Inc.	COM	23283R100	524	9,900	SH		DFND		0	0	9,900
Dana Incorporated	COM	235825205	462	33,900	SH		DFND		0	0	33,900
Diamond Offshore Drilling, Inc.	COM	25271C102	234	24,800	SH		DFND		0	0	24,800
DineEquity, Inc.	COM	254423106	478	7,100	SH		DFND		0	0	7,100
Eldorado Resorts Inc.	COM	28470R102	565	15,600	SH		DFND		0	0	15,600
EMCOR Group, Inc.	COM	29084Q100	489	8,200	SH		DFND		0	0	8,200
Emergent BioSolutions Inc.	COM	29089Q105	385	6,500	SH		DFND		0	0	6,500
Empire State Realty Trust, Inc. Class A	COM	292104106	413	29,000	SH		DFND		0	0	29,000
Enanta Pharmaceuticals, Inc.	COM	29251M106	347	4,900	SH		DFND		0	0	4,900
Enterprise Financial Services Corp	COM	293712105	482	12,800	SH		DFND		0	0	12,800
Essent Group Ltd.	COM	G3198U102	523	15,300	SH		DFND		0	0	15,300
Ethan Allen Interiors Inc.	COM	297602104	519	29,500	SH		DFND		0	0	29,500
Federal Agricultural Mortgage Corporation Class C	COM	313148306	526	8,700	SH		DFND		0	0	8,700
First Bancorp	COM	318910106	545	16,700	SH		DFND		0	0	16,700
First Cash Financial Services, Inc.	COM	33767D105	572	7,900	SH		DFND		0	0	7,900
First Interstate BancSystem, Inc. Class A	COM	32055Y201	570	15,600	SH		DFND		0	0	15,600
Gray Television, Inc.	COM	389375106	463	31,400	SH		DFND		0	0	31,400
Great Southern Bancorp, Inc.	COM	390905107	562	12,200	SH		DFND		0	0	12,200
Greenbrier Companies, Inc.	COM	393657101	439	11,100	SH		DFND		0	0	11,100
Greif Class A	COM	397624107	412	11,100	SH		DFND		0	0	11,100
Haemonetics Corporation	COM	405024100	640	6,400	SH		DFND		0	0	6,400
Halozyme Therapeutics, Inc.	COM	40637H109	391	26,700	SH		DFND		0	0	26,700
Harsco Corporation	COM	415864107	506	25,500	SH		DFND		0	0	25,500
Heritage Insurance Holdings, Inc.	COM	42727J102	598	40,600	SH		DFND		0	0	40,600
Herman Miller, Inc.	COM	600544100	541	17,900	SH		DFND		0	0	17,900
Heron Therapeutics Inc	COM	427746102	402	15,500	SH		DFND		0	0	15,500
Highwoods Properties, Inc.	COM	431284108	453	11,700	SH		DFND		0	0	11,700
Horizon Pharma plc	COM	G4617B105	391	20,000	SH		DFND		0	0	20,000
Houlihan Lokey, Inc. Class A	COM	441593100	519	14,100	SH		DFND		0	0	14,100
IBERIABANK Corporation	COM	450828108	553	8,600	SH		DFND		0	0	8,600
IDACORP, Inc.	COM	451107106	503	5,400	SH		DFND		0	0	5,400
Independent Bank Corp.	COM	453836108	527	7,500	SH		DFND		0	0	7,500
Ingles Markets, Incorporated Class A	COM	457030104	403	14,800	SH		DFND		0	0	14,800
Integer Holdings Corporation	COM	45826H109	602	7,900	SH		DFND		0	0	7,900
Inter Parfums, Inc.	COM	458334109	505	7,700	SH		DFND		0	0	7,700
j2 Global, Inc.	COM	48123V102	590	8,500	SH		DFND		0	0	8,500
Kaiser Aluminum Corporation	COM	483007704	464	5,200	SH		DFND		0	0	5,200
Lannett Company, Inc.	COM	516012101	405	81,600	SH		DFND		0	0	81,600
Ligand Pharmaceuticals Incorporated	COM	53220K504	380	2,800	SH		DFND		0	0	2,800
Loxo Oncology Inc	COM	548862101	406	2,900	SH		DFND		0	0	2,900
Matador Resources Company	COM	576485205	314	20,200	SH		DFND		0	0	20,200
Matrix Service Company	COM	576853105	398	22,200	SH		DFND		0	0	22,200
MCBC Holdings Inc	COM	57637H103	307	16,400	SH		DFND		0	0	16,400
MGIC Investment Corporation	COM	552848103	521	49,800	SH		DFND		0	0	49,800
Minerals Technologies Inc.	COM	603158106	493	9,600	SH		DFND		0	0	9,600
MKS Instruments, Inc.	COM	55306N104	381	5,900	SH		DFND		0	0	5,900
Movado Group, Inc.	COM	624580106	487	15,400	SH		DFND		0	0	15,400
National Health Investors, Inc.	COM	63633D104	544	7,200	SH		DFND		0	0	7,200
National Storage Affiliates Trust	COM	637870106	579	21,900	SH		DFND		0	0	21,900
Nelnet, Inc. Class A	COM	64031N108	628	12,000	SH		DFND		0	0	12,000
New Jersey Resources Corporation	COM	646025106	521	11,400	SH		DFND		0	0	11,400
New Relic, Inc.	COM	64829B100	599	7,400	SH		DFND		0	0	7,400
NIC Inc.	COM	62914B100	600	48,100	SH		DFND		0	0	48,100
Oasis Petroleum Inc.	COM	674215108	221	39,900	SH		DFND		0	0	39,900
Old Second Bancorp, Inc.	COM	680277100	547	42,100	SH		DFND		0	0	42,100
On Assignment, Inc.	COM	00191U102	441	8,100	SH		DFND		0	0	8,100
Party City Holdco, Inc.	COM	702149105	576	57,700	SH		DFND		0	0	57,700
Pebblebrook Hotel Trust	COM	70509V100	527	18,600	SH		DFND		0	0	18,600
Penn National Gaming, Inc.	COM	707569109	463	24,600	SH		DFND		0	0	24,600
PennyMac Financial Services, Inc. Class A	COM	70932M107	606	28,500	SH		DFND		0	0	28,500
PennyMac Mortgage Investment Trust	COM	70931T103	523	28,100	SH		DFND		0	0	28,100
PGT, Inc.	COM	69336V101	433	27,300	SH		DFND		0	0	27,300
Phibro Animal Health Corporation Class A	COM	71742Q106	315	9,800	SH		DFND		0	0	9,800
PolyOne Corporation	COM	73179P106	346	12,100	SH		DFND		0	0	12,100
Portland General Electric Company	COM	736508847	605	13,200	SH		DFND		0	0	13,200
Progress Software Corporation	COM	743312100	614	17,300	SH		DFND		0	0	17,300
QuinStreet, Inc.	COM	74874Q100	597	36,800	SH		DFND		0	0	36,800
RadNet, Inc.	COM	750491102	444	43,700	SH		DFND		0	0	43,700
Regis Corporation	COM	758932107	578	34,100	SH		DFND		0	0	34,100
Rexnord Corporation	COM	76169B102	530	23,100	SH		DFND		0	0	23,100
RLJ Lodging Trust	COM	74965L101	494	30,100	SH		DFND		0	0	30,100
Ruth's Hospitality Group, Inc.	COM	783332109	482	21,200	SH		DFND		0	0	21,200
Sanmina-SCI Corporation	COM	801056102	541	22,500	SH		DFND		0	0	22,500
Schnitzer Steel Industries, Inc. Class A	COM	806882106	422	19,600	SH		DFND		0	0	19,600
Select Medical Holdings Corporation	COM	81619Q105	519	33,800	SH		DFND		0	0	33,800
Sinclair Broadcast Group, Inc. Class A	COM	829226109	556	21,100	SH		DFND		0	0	21,100
SkyWest, Inc	COM	830879102	520	11,700	SH		DFND		0	0	11,700
SYNNEX Corporation	COM	87162W100	517	6,400	SH		DFND		0	0	6,400
Tailored Brands, Inc.	COM	87403A107	356	26,100	SH		DFND		0	0	26,100
Tech Data Corporation	COM	878237106	614	7,500	SH		DFND		0	0	7,500
Tenet Healthcare Corporation	COM	88033G407	410	23,900	SH		DFND		0	0	23,900
Tetra Tech, Inc.	COM	88162G103	533	10,300	SH		DFND		0	0	10,300
Travelport Worldwide Ltd.	COM	G9019D104	559	35,800	SH		DFND		0	0	35,800
TriMas Corporation	COM	896215209	600	22,000	SH		DFND		0	0	22,000
Trinseo SA	COM	L9340P101	394	8,600	SH		DFND		0	0	8,600
TriState Capital Holdings, Inc.	COM	89678F100	455	23,400	SH		DFND		0	0	23,400
TTM Technologies, Inc.	COM	87305R109	480	49,300	SH		DFND		0	0	49,300
Unit Corporation	COM	909218109	348	24,400	SH		DFND		0	0	24,400
Univar, Inc.	COM	91336L107	374	21,100	SH		DFND		0	0	21,100
Vector Group Ltd.	COM	92240M108	361	37,085	SH		DFND		0	0	37,085
Walker & Dunlop, Inc.	COM	93148P102	640	14,800	SH		DFND		0	0	14,800
Wintrust Financial Corporation	COM	97650W108	472	7,100	SH		DFND		0	0	7,100
Zumiez Inc.	COM	989817101	635	33,100	SH		DFND		0	0	33,100