# EDGAR Filing Document

**Accession Number:** 0000002230
**File Stem:** 0001104659-26-046751
**Filing Date:** 2026-4
**Character Count:** 14011
**Document Hash:** df4058fd0068c93f65dd647bc5e8c15f
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001104659-26-046751.hdr.sgml**: 20260422

**ACCESSION NUMBER**: 0001104659-26-046751

**CONFORMED SUBMISSION TYPE**: 13F-HR

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20260331

**FILED AS OF DATE**: 20260422

**DATE AS OF CHANGE**: 20260422

**EFFECTIVENESS DATE**: 20260422

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** ADAMS DIVERSIFIED EQUITY FUND, INC.
- **CENTRAL INDEX KEY:** 0000002230

**ORGANIZATION NAME:**
- **EIN:** 134912740
- **STATE OF INCORPORATION:** MD
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 13F-HR
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 028-00597
- **FILM NUMBER:** 26883344

**BUSINESS ADDRESS:**
- **STREET 1:** 500 EAST PRATT STREET
- **STREET 2:** SUITE 1300
- **CITY:** BALTIMORE
- **STATE:** MD
- **ZIP:** 21202
- **BUSINESS PHONE:** 4107525900

**MAIL ADDRESS:**
- **STREET 1:** 500 EAST PRATT STREET
- **STREET 2:** SUITE 1300
- **CITY:** BALTIMORE
- **STATE:** MD
- **ZIP:** 21202

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** ADAMS DIVERSIFIED EQUITY FUND
- **DATE OF NAME CHANGE:** 20150331

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** ADAMS EXPRESS CO
- **DATE OF NAME CHANGE:** 19920703

### FORM 13F COVER PAGE

**Report for the Calendar Year or Quarter Ended:** 03-31-2026

**Check here if Amendment** [ ] **Amendment Number:** 

**This Amendment (Check only one.):** [ ] is a restatement.

[ ] adds new holdings entries.

**Institutional Investment Manager Filing this Report:**

**Name:** ADAMS DIVERSIFIED EQUITY FUND INC.<br>**Address:** 500 East Pratt Street<br>Suite 1300<br>Baltimore, MD 21202

**Form 13F File Number:** 028-00597

The institutional investment manager filing this report and the person by whom it is signed hereby represent that the person signing the report is authorized to submit it, that all information contained herein is true, correct and complete, and that it is understood that all required items, statements, schedules, lists, and tables, are considered integral parts of this form.

**Person Signing this Report on Behalf of Reporting Manager:**

**Name:** Christine M. Sloan<br>**Title:** Treasurer<br>**Phone:** 410-752-5900

**Signature, Place, and Date of Signing:**

/s/ Christine M. Sloan  Baltimore, MD  04-22-2026<br>[Signature]  [City, State]  [Date]

**Report Type (Check only one.):**

[x] **13F HOLDINGS REPORT.** (Check here if all holdings of this reporting manager are reported in this report.)

[ ] **13F NOTICE.** (Check here if no holdings are reported in this report, and all holdings are reported by other reporting manager(s).)

[ ] **13F COMBINATION REPORT.** (Check here if a portion of the holdings for this reporting manager are reported in this report and a portion are reported by other reporting manager(s).)

### Form 13F Summary Page

**Report Summary:**

**Number of Other Included Managers:** 0

**Form 13F Information Table Entry Total:** 99

**Form 13F Information Table Value Total:** $2837152835

      (round to nearest dollar)

**List of Other Included Managers:**

Provide a numbered list of the name(s) and Form 13F file number(s) of all institutional investment managers with respect to which this report is filed, other than the manager filing this report.

[If there are no entries in this list, state “NONE” and omit the column headings and list entries.]

**NONE**

### FORM 13F INFORMATION TABLE

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| NAME OF ISSUER | TITLE OF CLASS | CUSIP | FIGI | VALUE (x$1000) | SHRS OR PRN AMT | SH/PRN | PUT/CALL | INVESTMENT DISCRETION | OTHER MANAGER | VOTING AUTHORITY | VOTING AUTHORITY | VOTING AUTHORITY |
| NAME OF ISSUER | TITLE OF CLASS | CUSIP | FIGI | VALUE (x$1000) | SHRS OR PRN AMT | SH/PRN | PUT/CALL | INVESTMENT DISCRETION | OTHER MANAGER | SOLE | SHARED | NONE |
| AbbVie Inc. | COM | 00287Y109 |  | 28143206 | 129400 | SH |  | SOLE |  | 129400 | 0 | 0 |
| Adams Natural Resources Fund Inc. | COM | 00548F105 |  | 72889015 | 2621907 | SH |  | SOLE |  | 2621907 | 0 | 0 |
| Advanced Micro Devices Inc. | COM | 007903107 |  | 26039040 | 128000 | SH |  | SOLE |  | 128000 | 0 | 0 |
| Airbnb Inc. Class A | COM | 009066101 |  | 19573400 | 155000 | SH |  | SOLE |  | 155000 | 0 | 0 |
| Alphabet Inc. Class A | COM | 02079K305 |  | 153988380 | 535500 | SH |  | SOLE |  | 535500 | 0 | 0 |
| Amazon.com Inc. | COM | 023135106 |  | 111257834 | 534200 | SH |  | SOLE |  | 534200 | 0 | 0 |
| Ameren Corporation | COM | 023608102 |  | 16070304 | 146200 | SH |  | SOLE |  | 146200 | 0 | 0 |
| Amphenol Corporation Class A | COM | 032095101 |  | 16918265 | 133900 | SH |  | SOLE |  | 133900 | 0 | 0 |
| Analog Devices Inc. | COM | 032654105 |  | 25133060 | 79000 | SH |  | SOLE |  | 79000 | 0 | 0 |
| Apple Inc. | COM | 037833100 |  | 194733067 | 767300 | SH |  | SOLE |  | 767300 | 0 | 0 |
| Arista Networks Inc. | COM | 040413205 |  | 20106944 | 163764 | SH |  | SOLE |  | 163764 | 0 | 0 |
| Bank of America Corp. | COM | 060505104 |  | 45472440 | 932768 | SH |  | SOLE |  | 932768 | 0 | 0 |
| Berkshire Hathaway Inc. Class B | COM | 084670702 |  | 40177566 | 83843 | SH |  | SOLE |  | 83843 | 0 | 0 |
| Biogen Inc. | COM | 09062X103 |  | 18387999 | 100300 | SH |  | SOLE |  | 100300 | 0 | 0 |
| Boeing Company | COM | 097023105 |  | 7503431 | 37700 | SH |  | SOLE |  | 37700 | 0 | 0 |
| Broadcom Inc. | COM | 11135F101 |  | 81215424 | 262400 | SH |  | SOLE |  | 262400 | 0 | 0 |
| Capital One Financial Corporation | COM | 14040H105 |  | 16486199 | 90370 | SH |  | SOLE |  | 90370 | 0 | 0 |
| CBRE Group Inc. Class A | COM | 12504L109 |  | 12787424 | 94400 | SH |  | SOLE |  | 94400 | 0 | 0 |
| Centene Corporation | COM | 15135B101 |  | 7415610 | 226500 | SH |  | SOLE |  | 226500 | 0 | 0 |
| Charles Schwab Corp. | COM | 808513105 |  | 30336744 | 322800 | SH |  | SOLE |  | 322800 | 0 | 0 |
| Chevron Corporation | COM | 166764100 |  | 29012966 | 140227 | SH |  | SOLE |  | 140227 | 0 | 0 |
| Cisco Systems Inc. | COM | 17275R102 |  | 27451342 | 353800 | SH |  | SOLE |  | 353800 | 0 | 0 |
| Coca-Cola Company | COM | 191216100 |  | 10951200 | 144000 | SH |  | SOLE |  | 144000 | 0 | 0 |
| Constellation Energy Corporation | COM | 21037T109 |  | 5975950 | 21400 | SH |  | SOLE |  | 21400 | 0 | 0 |
| Corning Incorporated | COM | 219350105 |  | 4935711 | 36300 | SH |  | SOLE |  | 36300 | 0 | 0 |
| Costco Wholesale Corporation | COM | 22160K105 |  | 13651091 | 13700 | SH |  | SOLE |  | 13700 | 0 | 0 |
| Crown Holdings Inc. | COM | 228368106 |  | 11538775 | 115100 | SH |  | SOLE |  | 115100 | 0 | 0 |
| CVS Health Corporation | COM | 126650100 |  | 14414274 | 200700 | SH |  | SOLE |  | 200700 | 0 | 0 |
| Deckers Outdoor Corporation | COM | 243537107 |  | 8457605 | 84500 | SH |  | SOLE |  | 84500 | 0 | 0 |
| Dollar General Corporation | COM | 256677105 |  | 16432232 | 138400 | SH |  | SOLE |  | 138400 | 0 | 0 |
| Ecolab Inc. | COM | 278865100 |  | 9177690 | 34500 | SH |  | SOLE |  | 34500 | 0 | 0 |
| Eli Lilly and Company | COM | 532457108 |  | 46694883 | 50768 | SH |  | SOLE |  | 50768 | 0 | 0 |
| EMCOR Group Inc. | COM | 29084Q100 |  | 16095158 | 21800 | SH |  | SOLE |  | 21800 | 0 | 0 |
| Entergy Corporation | COM | 29364G103 |  | 22483236 | 200100 | SH |  | SOLE |  | 200100 | 0 | 0 |
| Everest Group Ltd. | COM | G3223R108 |  | 8824950 | 27000 | SH |  | SOLE |  | 27000 | 0 | 0 |
| FedEx Corporation | COM | 31428X106 |  | 23329790 | 65500 | SH |  | SOLE |  | 65500 | 0 | 0 |
| Freeport-McMoRan Inc. | COM | 35671D857 |  | 16193890 | 275500 | SH |  | SOLE |  | 275500 | 0 | 0 |
| GE Aerospace | COM | 369604301 |  | 12968289 | 45700 | SH |  | SOLE |  | 45700 | 0 | 0 |
| GE Vernova Inc. | COM | 36828A101 |  | 37796570 | 43300 | SH |  | SOLE |  | 43300 | 0 | 0 |
| Gilead Sciences Inc. | COM | 375558103 |  | 24682427 | 177100 | SH |  | SOLE |  | 177100 | 0 | 0 |
| Goldman Sachs Group Inc. | COM | 38141G104 |  | 30878635 | 36500 | SH |  | SOLE |  | 36500 | 0 | 0 |
| Halliburton Company | COM | 406216101 |  | 11833465 | 303500 | SH |  | SOLE |  | 303500 | 0 | 0 |
| Home Depot Inc. | COM | 437076102 |  | 24272082 | 73800 | SH |  | SOLE |  | 73800 | 0 | 0 |
| International Business Machines Corporation | COM | 459200101 |  | 15003941 | 61900 | SH |  | SOLE |  | 61900 | 0 | 0 |
| Iron Mountain Inc. | COM | 46284V101 |  | 8252912 | 80800 | SH |  | SOLE |  | 80800 | 0 | 0 |
| J.B. Hunt Transport Services Inc. | COM | 445658107 |  | 22694490 | 107100 | SH |  | SOLE |  | 107100 | 0 | 0 |
| Johnson  Johnson | COM | 478160104 |  | 25128432 | 102800 | SH |  | SOLE |  | 102800 | 0 | 0 |
| Johnson Controls International plc | COM | G51502105 |  | 17979435 | 137300 | SH |  | SOLE |  | 137300 | 0 | 0 |
| JPMorgan Chase  Co. | COM | 46625H100 |  | 60262500 | 204863 | SH |  | SOLE |  | 204863 | 0 | 0 |
| L3Harris Technologies Inc. | COM | 502431109 |  | 22572810 | 65400 | SH |  | SOLE |  | 65400 | 0 | 0 |
| Lam Research Corporation | COM | 512807306 |  | 43095222 | 201700 | SH |  | SOLE |  | 201700 | 0 | 0 |
| Lincoln Electric Holdings Inc. | COM | 533900106 |  | 24235484 | 97300 | SH |  | SOLE |  | 97300 | 0 | 0 |
| Lumentum Holdings Inc. | COM | 55024U109 |  | 2529936 | 3600 | SH |  | SOLE |  | 3600 | 0 | 0 |
| M Bank Corporation | COM | 55261F104 |  | 24785728 | 119900 | SH |  | SOLE |  | 119900 | 0 | 0 |
| Mastercard Incorporated Class A | COM | 57636Q104 |  | 17519079 | 35062 | SH |  | SOLE |  | 35062 | 0 | 0 |
| McDonald's Corporation | COM | 580135101 |  | 23122776 | 74400 | SH |  | SOLE |  | 74400 | 0 | 0 |
| Medtronic plc | COM | G5960L103 |  | 16714785 | 192900 | SH |  | SOLE |  | 192900 | 0 | 0 |
| Merck  Co. Inc. | COM | 58933Y105 |  | 36111058 | 300200 | SH |  | SOLE |  | 300200 | 0 | 0 |
| Meta Platforms Inc. Class A | COM | 30303M102 |  | 63220365 | 110500 | SH |  | SOLE |  | 110500 | 0 | 0 |
| Micron Technology Inc. | COM | 595112103 |  | 16824432 | 49800 | SH |  | SOLE |  | 49800 | 0 | 0 |
| Microsoft Corporation | COM | 594918104 |  | 151103394 | 408200 | SH |  | SOLE |  | 408200 | 0 | 0 |
| MSCI Inc. Class A | COM | 55354G100 |  | 18649746 | 34600 | SH |  | SOLE |  | 34600 | 0 | 0 |
| Netflix Inc. | COM | 64110L106 |  | 20241498 | 210520 | SH |  | SOLE |  | 210520 | 0 | 0 |
| NextEra Energy Inc. | COM | 65339F101 |  | 24093072 | 259400 | SH |  | SOLE |  | 259400 | 0 | 0 |
| Nucor Corporation | COM | 670346105 |  | 14069120 | 83200 | SH |  | SOLE |  | 83200 | 0 | 0 |
| NVIDIA Corporation | COM | 67066G104 |  | 220964800 | 1267000 | SH |  | SOLE |  | 1267000 | 0 | 0 |
| Oracle Corporation | COM | 68389X105 |  | 10989117 | 74700 | SH |  | SOLE |  | 74700 | 0 | 0 |
| O'Reilly Automotive Inc. | COM | 67103H107 |  | 19246635 | 208500 | SH |  | SOLE |  | 208500 | 0 | 0 |
| PACCAR Inc | COM | 693718108 |  | 20097000 | 174000 | SH |  | SOLE |  | 174000 | 0 | 0 |
| Palantir Technologies Inc. Class A | COM | 69608A108 |  | 17363436 | 118700 | SH |  | SOLE |  | 118700 | 0 | 0 |
| Palo Alto Networks Inc. | COM | 697435105 |  | 18629184 | 116200 | SH |  | SOLE |  | 116200 | 0 | 0 |
| Parker-Hannifin Corporation | COM | 701094104 |  | 24977196 | 27900 | SH |  | SOLE |  | 27900 | 0 | 0 |
| PepsiCo Inc. | COM | 713448108 |  | 27451545 | 176776 | SH |  | SOLE |  | 176776 | 0 | 0 |
| Philip Morris International Inc. | COM | 718172109 |  | 33090321 | 200135 | SH |  | SOLE |  | 200135 | 0 | 0 |
| Principal Financial Group Inc. | COM | 74251V102 |  | 18842001 | 209100 | SH |  | SOLE |  | 209100 | 0 | 0 |
| Procter  Gamble Company | COM | 742718109 |  | 10146765 | 70249 | SH |  | SOLE |  | 70249 | 0 | 0 |
| Prologis Inc. | COM | 74340W103 |  | 18769560 | 142000 | SH |  | SOLE |  | 142000 | 0 | 0 |
| Public Storage | COM | 74460D109 |  | 7828432 | 28900 | SH |  | SOLE |  | 28900 | 0 | 0 |
| Republic Services Inc. | COM | 760759100 |  | 15002870 | 68500 | SH |  | SOLE |  | 68500 | 0 | 0 |
| Salesforce Inc. | COM | 79466L302 |  | 12264219 | 65700 | SH |  | SOLE |  | 65700 | 0 | 0 |
| SanDisk Corporation | COM | 80004C200 |  | 4701516 | 7400 | SH |  | SOLE |  | 7400 | 0 | 0 |
| Simon Property Group Inc. | COM | 828806109 |  | 6696427 | 35900 | SH |  | SOLE |  | 35900 | 0 | 0 |
| Snowflake Inc. | COM | 833445109 |  | 9848546 | 65300 | SH |  | SOLE |  | 65300 | 0 | 0 |
| State Street Communication Services Select Sector SPDR ETF | COM | 81369Y852 |  | 9833282 | 88700 | SH |  | SOLE |  | 88700 | 0 | 0 |
| State Street Financial Select Sector SPDR ETF | COM | 81369Y605 |  | 12599224 | 255200 | SH |  | SOLE |  | 255200 | 0 | 0 |
| State Street Health Care Select Sector SPDR ETF | COM | 81369Y209 |  | 41783850 | 285000 | SH |  | SOLE |  | 285000 | 0 | 0 |
| Take-Two Interactive Software Inc. | COM | 874054109 |  | 10507000 | 53200 | SH |  | SOLE |  | 53200 | 0 | 0 |
| Targa Resources Corp. | COM | 87612G101 |  | 12185478 | 48600 | SH |  | SOLE |  | 48600 | 0 | 0 |
| Tesla Inc. | COM | 88160R101 |  | 47918575 | 128900 | SH |  | SOLE |  | 128900 | 0 | 0 |
| TKO Group Holdings Inc. Class A | COM | 87256C101 |  | 17846025 | 88500 | SH |  | SOLE |  | 88500 | 0 | 0 |
| T-Mobile US Inc. | COM | 872590104 |  | 11131590 | 53000 | SH |  | SOLE |  | 53000 | 0 | 0 |
| Uber Technologies Inc. | COM | 90353T100 |  | 22607599 | 314300 | SH |  | SOLE |  | 314300 | 0 | 0 |
| UnitedHealth Group Incorporated | COM | 91324P102 |  | 11094190 | 41000 | SH |  | SOLE |  | 41000 | 0 | 0 |
| Vertiv Holdings Co. Class A | COM | 92537N108 |  | 12980044 | 51800 | SH |  | SOLE |  | 51800 | 0 | 0 |
| Visa Inc. Class A | COM | 92826C839 |  | 34232005 | 113261 | SH |  | SOLE |  | 113261 | 0 | 0 |
| Vistra Corp. | COM | 92840M102 |  | 2841237 | 18900 | SH |  | SOLE |  | 18900 | 0 | 0 |
| Walmart Inc. | COM | 931142103 |  | 37463336 | 301443 | SH |  | SOLE |  | 301443 | 0 | 0 |
| Wayfair Inc. Class A | COM | 94419L101 |  | 8777007 | 116700 | SH |  | SOLE |  | 116700 | 0 | 0 |
| Western Digital Corporation | COM | 958102105 |  | 5545045 | 20500 | SH |  | SOLE |  | 20500 | 0 | 0 |

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