Westchester Capital Management, LLC - Stock Holdings in 13F Filings (SEC)

Updated on March 15, 2026.

Based on 13F Filings filed with the SEC on February 13, 2026, for the 2025 Q4 period, Westchester Capital Management, LLC held in its portfolio 277 assets valued at $2,380,500,291 (i.e. $2.38B).

The most valuable assets in the portfolio included: CYBERARK SOFTWARE LTD ($146.25M), SPDR S&P 500 ETF TR ($136.38M), and TECK RESOURCES LTD ($136.25M).

The chart below shows the top 10 valuable assets, and the table below shows the top 277 valuable assets.

You can see similar for other investment managers.

Related Topics: SEC Topic List.
Data Source: SEC.
Top Valuable Stocks in Westchester Capital Management, LLC Portfolio
CYBERARK SOFTWARE LTD
SPDR S&P 500 ETF TR
TECK RESOURCES LTD
ELECTRONIC ARTS INC
WARNER BROS DISCOVERY INC
NORFOLK SOUTHN CORP
CHART INDS INC
FRONTIER COMMUNICATIONS PARE
EXACT SCIENCES CORP
AVIDITY BIOSCIENCES INC
Westchester Capital Management, LLC - Stock Holdings in 13F Filings (SEC)
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Name of Issuer No. of Shares Value ($) Class
CYBERARK SOFTWARE LTD 327864 146247016 SHS
SPDR S&P 500 ETF TR 200000 136384000 TR UNIT
TECK RESOURCES LTD 2845112 136252414 CL B
ELECTRONIC ARTS INC 594161 121404918 COM
WARNER BROS DISCOVERY INC 3980001 114703629 COM SER A
NORFOLK SOUTHN CORP 387596 111906717 COM
CHART INDS INC 496058 102302042 COM
FRONTIER COMMUNICATIONS PARE 2308994 87903401 COM
EXACT SCIENCES CORP 751561 76328535 COM
AVIDITY BIOSCIENCES INC 962659 69436594 COM
COMERICA INC 658366 57231757 COM
PROASSURANCE CORP 1605544 38789942 COM
DAYFORCE INC 546665 37807351 COM
SEALED AIR CORP NEW 853621 35365518 COM
AA MISSION ACQUISITION CORP 2779172 29596045 ORD SHS CL A
CONFLUENT INC 857198 25921667 CLASS A COM
LIBERTY BROADBAND CORP 530942 25633881 COM SER A
NEW GOLD INC CDA 2852255 24843141 COM
HOLOGIC INC 319734 23816986 COM
TEGNA INC 1192134 23139320 COM
HAYMAKER ACQUISITION CORP IV 1939028 22066139 CLASS A
AGRICULTURE & NAT SOL ACQ CO 1964677 21945442 SHS CL A
AIR LEASE CORP 334421 21479862 CL A
K&F GROWTH ACQUISITION CORP 1885000 19490900 SHS CL A
CSX CORP 487583 17674884 COM
DRUGS MADE IN AMER ACQUTN CO 1669000 17307530 ORD SHS
APTIV PLC 223800 17028942 COM SHS
SIZZLE ACQUISITION CORP. II 1564728 15897636 USD CL A ORD SHS
CANTALOUPE INC 1389401 14755439 COM
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GLOBA TERRA ACQUISITION COR 1414429 14285733 CL A ORD SHS
CADENCE BANK 328564 14075682 COM
HONEYWELL INTL INC 72100 14065989 COM
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TITAN ACQUISITION CORP 1344693 13796550 CL A
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NEW PROVIDENCE ACQUISITION C 1278999 13122530 USD CL A ORD SHS
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COPLEY ACQUISITION CORP 860600 8769514 ORD SHS CL A
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ARMADA ACQUISITION CORP II 833400 8534015 COM CL A
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