ADAMS DIVERSIFIED EQUITY FUND, INC. — 13F Holdings & Portfolio

CIK 2230 · latest 13F-HR filed 2026-10-21

ADAMS DIVERSIFIED EQUITY FUND, INC. manages $3.30B in 13F-reported U.S. long-equity assets across 100 reported positions as of its 2026-09-30 13F-HR filing. Its largest disclosed positions are NVDA (8.59%), AAPL (7.45%), MSFT (6.22%). Quarter over quarter (versus its 2026-06-30 filing) the fund opened 9 new positions and exited 12; 31 existing positions rose in reported value and 40 fell.

AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.

Loading holdings…
AUM
$3.30B

Long-equity book

Holdings
100

Distinct positions

Period
2026-09-30

Filed 2026-10-21

Q/Q Activity
+9 / −12 / ↑31 / ↓40

vs 2026-06-30

Portfolio charts

Latest quarter's book, what changed, and how the portfolio has evolved across filings.

Portfolio map

Q3 26

Box size = position value; colour = change in share count vs the prior quarter (green added, red trimmed, blue new). Rows split across managers or share classes are combined. Click a box for the stock.

Sector mix

% of 13F value

Sectors from each company's SIC code; funds and ETFs grouped separately.

Biggest buys and sells

Q2 26 → Q3 26

Estimated from the change in shares held × the quarter-end price, so price moves alone don't count as buying. New and exited positions are included.

13F assets and positions

4 quarters

Total reported 13F value (bars) and number of positions (line) each quarter. Value changes include market moves.

Top positions over time

reported value

The eight largest current positions, valued at each quarter end.

Concentration

top 10 = 43.5%

Cumulative share of the portfolio held in the largest N positions.

Firm Profile & Key People

As of the firm’s regulatory filing dated Mar 27, 2026.

Assets Under Management
$3.03B
Discretionary
$3.03B
Employees
20
Accounts
1
Address
500 E. PRATT STREET, SUITE 1300
BALTIMORE, MD 21202-3580
Phone
(410) 752-5900
Name Title / Status Ownership Type
Chambers, Steven, Gary ControlDIRECTOR
since Feb 2026
Less than 5%Individual
DALE, KENNETH, JAMES ControlDIRECTOR; NON-EXECUTIVE CHAIR
since Jan 2008
Less than 5%Individual
ESCHERICH, FREDERIC, ALAN ControlDIRECTOR
since Feb 2006
Less than 5%Individual
HAYNIE, JAMES, PHILLIP ControlCHIEF EXECUTIVE OFFICER; DIRECTOR
since Apr 2023
Less than 5%Individual
HOOK, BRIAN, STEPHEN ControlCFO
since Mar 2012
Less than 5%Individual
JAMMET, MARY, CHRISTINE ControlDIRECTOR
since Dec 2020
Less than 5%Individual
KERNS, JANIS, FONDA ControlGENERAL COUNSEL AND CCO
since Jul 2018
Less than 5%Individual
KLOPPENBURG, LAURIANN, CRANDALL ControlDIRECTOR
since Oct 2017
Less than 5%Individual
NELSON, JANE, M ControlDIRECTOR
since Dec 2021
Less than 5%Individual
SWINDELL, DOUGLAS, COTTON ControlPRESIDENT
since Apr 2023
Less than 5%Individual
Ownership & leadership changes · 8 filings with changes since Aug 14, 2015

From the firm’s regulatory filings, newest first. Dates are filing dates: a filing that no longer lists someone does not say when they left.

Mar 27, 2026 filing
  • No longer listedSTOECKLE, MARK, EDWARD · DIRECTOR · Less than 5% · control person · listed since Feb 2013
  • AddedChambers, Steven, Gary · DIRECTOR · Less than 5% · control person
Mar 31, 2025 filing
  • ChangedDALE, KENNETH, JAMES · now a control person
  • ChangedESCHERICH, FREDERIC, ALAN · now a control person
  • ChangedHAYNIE, JAMES, PHILLIP · title CHIEF EXECUTIVE OFFICER → CHIEF EXECUTIVE OFFICER; DIRECTOR; now a control person
  • ChangedHOOK, BRIAN, STEPHEN · now a control person
  • ChangedJAMMET, MARY, CHRISTINE · now a control person
  • ChangedKERNS, JANIS, FONDA · now a control person
  • ChangedKLOPPENBURG, LAURIANN, CRANDALL · now a control person
  • ChangedNELSON, JANE, M · now a control person
  • ChangedSTOECKLE, MARK, EDWARD · now a control person
  • ChangedSWINDELL, DOUGLAS, COTTON · now a control person
Mar 27, 2024 filing
  • No longer listedARZAC, ENRIQUE, ROGELIO · DIRECTOR · Less than 5% · listed since Jun 1983
  • No longer listedGALE, ROGER, WILLIAM · DIRECTOR · Less than 5% · listed since Dec 2005
  • No longer listedMCGAHRAN, KATHLEEN, THERESA · DIRECTOR; NON-EXECUTIVE CHAIR · Less than 5% · listed since Nov 2003
  • ChangedDALE, KENNETH, JAMES · title DIRECTOR → DIRECTOR; NON-EXECUTIVE CHAIR
  • ChangedHAYNIE, JAMES, PHILLIP · title EXECUTIVE V.P. → CHIEF EXECUTIVE OFFICER
  • ChangedSTOECKLE, MARK, EDWARD · title CEO & PRESIDENT → DIRECTOR
  • ChangedSWINDELL, DOUGLAS, COTTON · title EXECUTIVE VICE PRESIDENT → PRESIDENT
Mar 31, 2022 filing
  • No longer listedSMITH, CRAIG, ROBERT · DIRECTOR · Less than 5% · listed since Dec 2005
  • AddedNELSON, JANE, M · DIRECTOR · Less than 5%
Mar 31, 2021 filing
  • AddedJAMMET, MARY, CHRISTINE · DIRECTOR · Less than 5%
Mar 29, 2019 filing
  • No longer listedBONANNO, PHYLLIS, OLYMPIA · DIRECTOR · Less than 5% · listed since Nov 2003
  • No longer listedHOOPER, JR., LAWRENCE, LEWIS · GENERAL COUNSEL & CCO · Less than 5% · listed since Apr 2004
  • AddedKERNS, JANIS, FONDA · GENERAL COUNSEL AND CCO · Less than 5%
Mar 29, 2018 filing
  • AddedKLOPPENBURG, LAURIANN, CRANDALL · DIRECTOR · Less than 5%
Mar 22, 2016 filing
  • AddedSWINDELL, DOUGLAS, COTTON · EXECUTIVE VICE PRESIDENT · Less than 5%
Aug 14, 2015 filing (earliest on record)
  • ListedARZAC, ENRIQUE, ROGELIO · DIRECTOR · Less than 5%
  • ListedBONANNO, PHYLLIS, OLYMPIA · DIRECTOR · Less than 5%
  • ListedDALE, KENNETH, JAMES · DIRECTOR · Less than 5%
  • ListedESCHERICH, FREDERIC, ALAN · DIRECTOR · Less than 5%
  • ListedGALE, ROGER, WILLIAM · DIRECTOR · Less than 5%
  • ListedHAYNIE, JAMES, PHILLIP · EXECUTIVE V.P. · Less than 5%
  • ListedHOOK, BRIAN, STEPHEN · CFO · Less than 5%
  • ListedHOOPER, JR., LAWRENCE, LEWIS · GENERAL COUNSEL & CCO · Less than 5%
  • ListedMCGAHRAN, KATHLEEN, THERESA · DIRECTOR; NON-EXECUTIVE CHAIR · Less than 5%
  • ListedSMITH, CRAIG, ROBERT · DIRECTOR · Less than 5%
  • ListedSTOECKLE, MARK, EDWARD · CEO & PRESIDENT · Less than 5%

Quarter-over-quarter changes

Changes in reported position value vs the prior 13F, so price moves count too, not just shares bought or sold.

ADAMS DIVERSIFIED EQUITY FUND, INC. Holdings (2026-09-30)

Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).

# Issuer Symbol CUSIP Value Weight Shares Type
1 NVIDIA Corporation NVDA 67066G104 $283.6M 8.59% 1,241,900 SH
2 Apple Inc. AAPL 037833100 $245.9M 7.45% 738,300 SH
3 Microsoft Corporation MSFT 594918104 $205.4M 6.22% 400,400 SH
4 Alphabet Inc. Class A GOOGL 02079K305 $184.3M 5.58% 535,500 SH
5 Amazon.com, Inc. AMZN 023135106 $130.5M 3.95% 523,900 SH
6 Broadcom Inc. AVGO 11135F101 $87.8M 2.66% 250,000 SH
7 Meta Platforms, Inc. Class A META 30303M102 $80.1M 2.43% 110,500 SH
8 Adams Natural Resources Fund, Inc. PEO 00548F105 $75.0M 2.27% 2,725,402 SH
9 Advanced Micro Devices, Inc. AMD 007903107 $74.6M 2.26% 122,000 SH
10 JPMorgan Chase & Co. JPM 46625H100 $67.8M 2.05% 204,863 SH
11 Lam Research Corporation LRCX 512807306 $65.5M 1.98% 199,300 SH
12 Eli Lilly and Company LLY 532457108 $58.2M 1.76% 50,268 SH
13 Micron Technology, Inc. MU 595112103 $56.7M 1.72% 53,200 SH
14 Visa Inc. Class A V 92826C839 $50.4M 1.53% 140,361 SH
15 Bank of America Corp. BAC 060505104 $46.0M 1.39% 845,868 SH
16 Tesla, Inc. TSLA 88160R101 $44.7M 1.36% 126,100 SH
17 AbbVie, Inc. ABBV 00287Y109 $44.5M 1.35% 170,300 SH
18 Palo Alto Networks, Inc. PANW 697435105 $43.7M 1.32% 110,000 SH
19 Cisco Systems, Inc. CSCO 17275R102 $43.0M 1.30% 399,400 SH
20 Merck & Co., Inc. MRK 58933Y105 $38.6M 1.17% 265,400 SH
21 Philip Morris International Inc. PM 718172109 $37.4M 1.13% 196,235 SH
22 Berkshire Hathaway Inc. Class B BRK.B 084670702 $37.0M 1.12% 74,343 SH
23 Costco Wholesale Corporation COST 22160K105 $31.8M 0.96% 34,900 SH
24 GE Vernova Inc. GEV 36828A101 $31.7M 0.96% 33,400 SH
25 Analog Devices, Inc. ADI 032654105 $31.3M 0.95% 79,000 SH
26 Arista Networks, Inc. ANET 040413205 $27.6M 0.84% 135,464 SH
27 Johnson & Johnson JNJ 478160104 $27.2M 0.82% 102,800 SH
28 UnitedHealth Group Incorporated UNH 91324P102 $26.2M 0.80% 71,500 SH
29 M&T Bank Corporation MTB 55261F104 $26.1M 0.79% 119,900 SH
30 Caterpillar Inc. CAT 149123101 $25.9M 0.79% 32,000 SH
31 Goldman Sachs Group, Inc. GS 38141G104 $25.6M 0.77% 28,400 SH
32 IDEX Corporation IEX 45167R104 $25.0M 0.76% 109,600 SH
33 Airbnb, Inc. Class A ABNB 009066101 $24.9M 0.75% 155,000 SH
34 Vertex Pharmaceuticals Incorporated VRTX 92532F100 $24.7M 0.75% 47,300 SH
35 CSX Corporation CSX 126408103 $24.0M 0.73% 516,000 SH
36 Principal Financial Group, Inc. PFG 74251V102 $23.4M 0.71% 209,100 SH
37 Prologis, Inc. PLD 74340W103 $23.0M 0.70% 177,300 SH
38 Palantir Technologies Inc. Class A PLTR 69608A108 $22.2M 0.67% 118,700 SH
39 Johnson Controls International plc JCI G51502105 $22.0M 0.67% 147,700 SH
40 Biogen Inc. BIIB 09062X103 $21.9M 0.66% 97,100 SH
41 Howmet Aerospace Inc. HWM 443201108 $20.9M 0.63% 92,300 SH
42 ConocoPhillips COP 20825C104 $20.5M 0.62% 164,100 SH
43 Uber Technologies, Inc. UBER 90353T100 $20.3M 0.62% 296,400 SH
44 NextEra Energy, Inc. NEE 65339F101 $19.6M 0.60% 259,400 SH
45 Mastercard Incorporated Class A MA 57636Q104 $19.3M 0.59% 35,062 SH
46 Freeport-McMoRan, Inc. FCX 35671D857 $19.3M 0.58% 275,500 SH
47 Entergy Corporation ETR 29364G103 $18.8M 0.57% 188,900 SH
48 MSCI Inc. Class A MSCI 55354G100 $18.6M 0.56% 34,600 SH
49 Hartford Insurance Group, Inc. HIG 416515104 $18.4M 0.56% 150,500 SH
50 Intel Corporation INTC 458140100 $17.5M 0.53% 145,900 SH
Filing History
Period Filed AUM Holdings Accession
2026-09-30 2026-10-21 $3.30B 100 0001104659-26-117771
2026-06-30 2026-07-22 $3.27B 103 0001104659-26-085614
2026-03-31 2026-04-22 $2.84B 99 0001104659-26-046751
2025-12-31 2026-02-13 $3.01B 89 0001104659-26-014835
Filer Information
Address
500 EAST PRATT STREET
SUITE 1300
BALTIMORE, MD 21202
Phone
(410) 752-5900
Filing Manager
ADAMS DIVERSIFIED EQUITY FUND, INC.
BALTIMORE, MD
Signatory
Christine M. Sloan
Treasurer