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
OMB APPROVAL
OMB Number: 3235-0006
Expires: July 31, 2015
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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 43,483,392 172,800 SH SOLE 172,800 0 0
Adams Natural Resources Fund, Inc. COM 00548F105 66,087,758 2,673,453 SH SOLE 2,673,453 0 0
Advanced Micro Devices, Inc. COM 007903107 74,356,480 128,000 SH SOLE 128,000 0 0
Airbnb, Inc. Class A COM 009066101 22,180,500 155,000 SH SOLE 155,000 0 0
Alphabet Inc. Class A COM 02079K305 191,371,635 535,500 SH SOLE 535,500 0 0
Amazon.com, Inc. COM 023135106 126,177,196 529,400 SH SOLE 529,400 0 0
Ameren Corporation COM 023608102 16,526,448 146,200 SH SOLE 146,200 0 0
Amphenol Corporation Class A COM 032095101 15,939,328 90,400 SH SOLE 90,400 0 0
Analog Devices, Inc. COM 032654105 31,376,430 79,000 SH SOLE 79,000 0 0
Apple Inc. COM 037833100 219,971,472 760,200 SH SOLE 760,200 0 0
Arista Networks, Inc. COM 040413205 23,012,624 135,464 SH SOLE 135,464 0 0
Bank of America Corp. COM 060505104 53,149,121 932,768 SH SOLE 932,768 0 0
Berkshire Hathaway Inc. Class B COM 084670702 41,954,199 83,843 SH SOLE 83,843 0 0
Biogen Inc. COM 09062X103 21,670,818 100,300 SH SOLE 100,300 0 0
BlackRock, Inc. COM 09290D101 15,673,428 16,300 SH SOLE 16,300 0 0
Boeing Company COM 097023105 8,160,919 37,700 SH SOLE 37,700 0 0
Broadcom Inc. COM 11135F101 94,437,500 250,000 SH SOLE 250,000 0 0
Carrier Global Corporation COM 14448C104 18,902,295 257,700 SH SOLE 257,700 0 0
Caterpillar Inc. COM 149123101 34,076,800 32,000 SH SOLE 32,000 0 0
Centene Corporation COM 15135B101 14,539,035 226,500 SH SOLE 226,500 0 0
Chevron Corporation COM 166764100 5,540,860 33,427 SH SOLE 33,427 0 0
Cisco Systems, Inc. COM 17275R102 41,557,348 353,800 SH SOLE 353,800 0 0
Coca-Cola Company COM 191216100 11,702,880 144,000 SH SOLE 144,000 0 0
ConocoPhillips COM 20825C104 17,059,836 164,100 SH SOLE 164,100 0 0
Constellation Energy Corporation COM 21037T109 5,315,118 21,400 SH SOLE 21,400 0 0
Corning Incorporated COM 219350105 9,272,109 36,300 SH SOLE 36,300 0 0
Costco Wholesale Corporation COM 22160K105 12,815,939 13,700 SH SOLE 13,700 0 0
CSX Corporation COM 126408103 22,671,810 477,000 SH SOLE 477,000 0 0
CVS Health Corporation COM 126650100 20,762,415 200,700 SH SOLE 200,700 0 0
Deckers Outdoor Corporation COM 243537107 15,826,826 159,400 SH SOLE 159,400 0 0
DexCom, Inc. COM 252131107 9,765,750 145,000 SH SOLE 145,000 0 0
Dollar General Corporation COM 256677105 15,321,141 133,100 SH SOLE 133,100 0 0
Ecolab Inc. COM 278865100 9,277,713 33,300 SH SOLE 33,300 0 0
Eli Lilly and Company COM 532457108 60,892,662 50,768 SH SOLE 50,768 0 0
EMCOR Group, Inc. COM 29084Q100 18,091,384 21,800 SH SOLE 21,800 0 0
Entergy Corporation COM 29364G103 22,351,756 194,600 SH SOLE 194,600 0 0
Everest Group, Ltd. COM G3223R108 16,718,364 46,800 SH SOLE 46,800 0 0
FedEx Corporation COM 31428X106 15,061,553 48,100 SH SOLE 48,100 0 0
FedEx Freight Holding Company, Inc. COM 314352105 12,525,450 82,950 SH SOLE 82,950 0 0
Freeport-McMoRan, Inc. COM 35671D857 17,326,195 275,500 SH SOLE 275,500 0 0
GE Vernova Inc. COM 36828A101 40,415,184 34,400 SH SOLE 34,400 0 0
Goldman Sachs Group, Inc. COM 38141G104 36,915,005 36,500 SH SOLE 36,500 0 0
Halliburton Company COM 406216101 10,303,825 303,500 SH SOLE 303,500 0 0
Hartford Insurance Group, Inc. COM 416515104 19,944,260 150,500 SH SOLE 150,500 0 0
Home Depot, Inc. COM 437076102 25,357,692 71,900 SH SOLE 71,900 0 0
Howmet Aerospace Inc. COM 443201108 22,422,924 83,400 SH SOLE 83,400 0 0
IDEX Corporation COM 45167R104 22,695,000 100,000 SH SOLE 100,000 0 0
Intel Corporation COM 458140100 20,372,017 145,900 SH SOLE 145,900 0 0
International Business Machines Corporation COM 459200101 17,406,899 61,900 SH SOLE 61,900 0 0
Iron Mountain, Inc. COM 46284V101 12,997,299 102,900 SH SOLE 102,900 0 0
iShares U.S. Real Estate ETF COM 464287739 6,431,525 62,900 SH SOLE 62,900 0 0
Johnson & Johnson COM 478160104 26,108,116 102,800 SH SOLE 102,800 0 0
Johnson Controls International plc COM G51502105 20,060,903 137,300 SH SOLE 137,300 0 0
JPMorgan Chase & Co. COM 46625H100 67,057,806 204,863 SH SOLE 204,863 0 0
L3Harris Technologies, Inc. COM 502431109 18,423,406 63,400 SH SOLE 63,400 0 0
Lam Research Corporation COM 512807306 86,362,669 199,300 SH SOLE 199,300 0 0
Lumentum Holdings, Inc. COM 55024U109 4,890,942 5,700 SH SOLE 5,700 0 0
M&T Bank Corporation COM 55261F104 28,537,399 119,900 SH SOLE 119,900 0 0
Mastercard Incorporated Class A COM 57636Q104 18,007,843 35,062 SH SOLE 35,062 0 0
McDonald's Corporation COM 580135101 20,111,064 74,400 SH SOLE 74,400 0 0
Medtronic plc COM G5960L103 15,090,567 192,900 SH SOLE 192,900 0 0
Merck & Co., Inc. COM 58933Y105 34,733,550 270,300 SH SOLE 270,300 0 0
Meta Platforms, Inc. Class A COM 30303M102 62,243,545 110,500 SH SOLE 110,500 0 0
Micron Technology, Inc. COM 595112103 57,483,642 49,800 SH SOLE 49,800 0 0
Microsoft Corporation COM 594918104 150,886,590 404,500 SH SOLE 404,500 0 0
MSCI Inc. Class A COM 55354G100 19,377,384 34,600 SH SOLE 34,600 0 0
Netflix, Inc. COM 64110L106 15,031,128 210,520 SH SOLE 210,520 0 0
NextEra Energy, Inc. COM 65339F101 22,767,538 259,400 SH SOLE 259,400 0 0
Nucor Corporation COM 670346105 15,681,600 70,400 SH SOLE 70,400 0 0
NVIDIA Corporation COM 67066G104 251,112,950 1,255,000 SH SOLE 1,255,000 0 0
Oracle Corporation COM 68389X105 10,947,285 74,700 SH SOLE 74,700 0 0
Palantir Technologies Inc. Class A COM 69608A108 13,848,729 118,700 SH SOLE 118,700 0 0
Palo Alto Networks, Inc. COM 697435105 37,512,200 110,000 SH SOLE 110,000 0 0
PepsiCo, Inc. COM 713448108 14,701,190 108,576 SH SOLE 108,576 0 0
Philip Morris International Inc. COM 718172109 35,500,874 196,235 SH SOLE 196,235 0 0
Principal Financial Group, Inc. COM 74251V102 22,536,798 209,100 SH SOLE 209,100 0 0
Procter & Gamble Company COM 742718109 10,301,313 70,249 SH SOLE 70,249 0 0
Prologis, Inc. COM 74340W103 21,444,901 158,300 SH SOLE 158,300 0 0
Republic Services, Inc. COM 760759100 14,595,980 68,500 SH SOLE 68,500 0 0
Salesforce, Inc. COM 79466L302 10,292,562 65,700 SH SOLE 65,700 0 0
SanDisk Corporation COM 80004C200 22,509,927 9,900 SH SOLE 9,900 0 0
Simon Property Group, Inc. COM 828806109 18,764,235 83,900 SH SOLE 83,900 0 0
Snowflake, Inc. COM 833445109 9,747,350 38,300 SH SOLE 38,300 0 0
Starbucks Corporation COM 855244109 16,146,020 158,000 SH SOLE 158,000 0 0
State Street Communication Services Select Sector SPDR ETF COM 81369Y852 7,188,423 67,100 SH SOLE 67,100 0 0
State Street Consumer Staples Select Sector SPDR ETF COM 81369Y308 9,636,120 116,000 SH SOLE 116,000 0 0
State Street Financial Select Sector SPDR ETF COM 81369Y605 12,705,570 237,000 SH SOLE 237,000 0 0
State Street Materials Select Sector SPDR ETF COM 81369Y100 11,045,359 217,300 SH SOLE 217,300 0 0
State Street Technology Select Sector SPDR ETF COM 81369Y803 11,545,512 60,600 SH SOLE 60,600 0 0
Take-Two Interactive Software, Inc. COM 874054109 13,298,936 53,200 SH SOLE 53,200 0 0
Targa Resources Corp. COM 87612G101 13,031,604 48,600 SH SOLE 48,600 0 0
Tesla, Inc. COM 88160R101 53,500,320 127,200 SH SOLE 127,200 0 0
TKO Group Holdings, Inc. Class A COM 87256C101 17,815,935 88,500 SH SOLE 88,500 0 0
T-Mobile US, Inc. COM 872590104 8,889,690 53,000 SH SOLE 53,000 0 0
Twilio, Inc. Class A COM 90138F102 7,551,678 36,600 SH SOLE 36,600 0 0
Uber Technologies, Inc. COM 90353T100 22,080,960 306,000 SH SOLE 306,000 0 0
UnitedHealth Group Incorporated COM 91324P102 29,717,545 71,500 SH SOLE 71,500 0 0
Vertex Pharmaceuticals Incorporated COM 92532F100 23,495,329 47,300 SH SOLE 47,300 0 0
Vertiv Holdings Co. Class A COM 92537N108 17,343,676 51,800 SH SOLE 51,800 0 0
Visa Inc. Class A COM 92826C839 38,858,717 113,261 SH SOLE 113,261 0 0
Vistra Corp. COM 92840M102 2,998,107 18,900 SH SOLE 18,900 0 0
Walmart Inc. COM 931142103 33,869,610 299,043 SH SOLE 299,043 0 0
Western Digital Corporation COM 958102105 17,756,416 27,800 SH SOLE 27,800 0 0