Westchester Capital Management, LLC Q3 2025 Filing
Filed November 14, 2025
Portfolio Value
$2.2T
Holdings
248
Report Date
Q3 2025
Filing Type
13F-HR
All Holdings (248 positions)
| # | Stock | Shares | Value | % Portfolio | Type |
|---|---|---|---|---|---|
| 1 | 07WAMR COOPER GROUP INC | 736,206 | $155.2B | 7.10% | |
| 2 | TECK/BTECK RESOURCES LTD | 3,518,246 | $154.4B | 7.06% | Put |
| 3 | KELKELLANOVA | 1,701,179 | $139.5B | 6.38% | |
| 4 | CYBRCYBERARK SOFTWARE LTD | 278,008 | $134.3B | 6.14% | |
| 5 | SPYSPDR S&P 500 ETF TR | 200,000 | $133.2B | 6.09% | Put |
| 6 | GTLSCHART INDS INC | 549,332 | $109.9B | 5.03% | |
| 7 | FYBRFRONTIER COMMUNICATIONS PARE | 2,093,629 | $78.2B | 3.58% | |
| 8 | IPGINTERPUBLIC GROUP COS INC | 2,282,614 | $63.7B | 2.91% | |
| 9 | VRNAVERONA PHARMA PLC | 483,655 | $51.6B | 2.36% | |
| 10 | LBRDALIBERTY BROADBAND CORP | 756,525 | $47.9B | 2.19% | |
| 11 | PRAPROASSURANCE CORP | 1,761,213 | $42.3B | 1.93% | |
| 12 | NSCNORFOLK SOUTHN CORP | 130,825 | $39.3B | 1.80% | |
| 13 | WBDWARNER BROS DISCOVERY INC | 1,620,000 | $31.6B | 1.45% | Put |
| 14 | YCYAA MISSION ACQUISITION CORP | 2,701,172 | $28.4B | 1.30% | |
| 15 | ANSCAGRICULTURE & NAT SOL ACQ CO | 2,464,804 | $26.9B | 1.23% | |
| 16 | EAELECTRONIC ARTS INC | 129,166 | $26.1B | 1.19% | |
| 17 | TGNATEGNA INC | 1,192,134 | $24.2B | 1.11% | |
| 18 | HYACHAYMAKER ACQUISITION CORP IV | 1,939,028 | $22.0B | 1.01% | |
| 19 | KFIIK&F GROWTH ACQUISITION CORP | 1,885,000 | $19.3B | 0.88% | |
| 20 | DMIIDRUGS MADE IN AMER ACQUTN CO | 1,669,000 | $17.1B | 0.78% | |
| 21 | SZZLSIZZLE ACQUISITION CORP. II | 1,564,728 | $15.8B | 0.72% | |
| 22 | CTLPCANTALOUPE INC | 1,389,401 | $14.7B | 0.67% | |
| 23 | —NABORS ENERGY TRANSITION COR | 1,293,018 | $14.5B | 0.66% | |
| 24 | GTERAGLOBA TERRA ACQUISITION COR | 1,414,429 | $14.1B | 0.65% | |
| 25 | CSXCSX CORP | 383,367 | $13.6B | 0.62% | Put |
| 26 | TACHTITAN ACQUISITION CORP | 1,344,693 | $13.6B | 0.62% | |
| 27 | SIMASIM ACQUISITION CORP. I | 1,270,312 | $13.3B | 0.61% | |
| 28 | S9QSPIRIT AEROSYSTEMS HLDGS INC | 344,900 | $13.3B | 0.61% | |
| 29 | VBTXVERITEX HLDGS INC | 393,942 | $13.2B | 0.60% | |
| 30 | VACHVOYAGER ACQUISITION CORP | 1,261,894 | $13.2B | 0.60% | |
| 31 | BACQBLEICHROEDER ACQUISITION COR | 1,265,907 | $13.2B | 0.60% | |
| 32 | NPACNEW PROVIDENCE ACQUISITION C | 1,278,999 | $13.1B | 0.60% | |
| 33 | SOULSOULPOWER ACQUISITION CORP | 1,279,300 | $12.9B | 0.59% | |
| 34 | PLMKPLUM ACQUISITION CORP IV | 1,225,000 | $12.7B | 0.58% | |
| 35 | HONHONEYWELL INTL INC | 59,900 | $12.6B | 0.58% | Put |
| 36 | BACCBLUE ACQUISITION CORP. | 1,250,000 | $12.5B | 0.57% | |
| 37 | JACSJACKSON ACQUISITION CO II | 1,186,200 | $12.3B | 0.56% | |
| 38 | MLACMOUNTAIN LAKE ACQUISITION CO | 1,182,271 | $12.2B | 0.56% | |
| 39 | POLEANDRETTI ACQUISITION CORP II | 1,161,916 | $12.2B | 0.56% | |
| 40 | ALDFALDEL FINL II INC | 1,159,448 | $12.1B | 0.55% | |
| 41 | GPATGP-ACT III ACQUISITION CORP | 1,110,852 | $11.8B | 0.54% | |
| 42 | FACTFACT II ACQUISITION CORP | 1,083,000 | $11.2B | 0.51% | |
| 43 | BCARD. BORAL ARC ACQ I CORP. | 1,106,259 | $11.0B | 0.50% | |
| 44 | MRUSMERUS N V | 114,159 | $10.7B | 0.49% | |
| 45 | CHACRCRANE HBR ACQUISITION CORP | 1,025,000 | $10.4B | 0.47% | |
| 46 | KCHVKOCHAV DEFENSE ACQUI CO | 1,000,000 | $10.2B | 0.47% | |
| 47 | AACBARTIUS II ACQUISITION INC | 995,939 | $10.1B | 0.46% | |
| 48 | KDPKEURIG DR PEPPER INC | 391,400 | $10.0B | 0.46% | Put |
| 49 | LPBBLAUNCH TWO ACQUISITION CORP. | 950,000 | $9.9B | 0.45% | |
| 50 | ALAIR LEASE CORP | 153,700 | $9.8B | 0.45% | |
| 51 | —NEWBURY STR II ACQUISITION C | 898,111 | $9.3B | 0.43% | |
| 52 | ATIIARCHIMEDES TECH SPAC PARTNER | 900,000 | $9.2B | 0.42% | |
| 53 | COPLCOPLEY ACQUISITION CORP | 860,600 | $8.7B | 0.40% | |
| 54 | ARISUSDARIS WATER SOLUTIONS INC | 351,639 | $8.7B | 0.40% | |
| 55 | PACHPIONEER ACQUISITION I CORP | 850,000 | $8.5B | 0.39% | |
| 56 | OYSEOYSTER ENTERPRISES II ACQUIS | 850,000 | $8.5B | 0.39% | |
| 57 | GIGGIGCAPITAL7 CORP | 789,000 | $8.3B | 0.38% | |
| 58 | VCICVINE HILL CAP INVT CORP. | 722,042 | $7.7B | 0.35% | |
| 59 | 0J7QIAC INC | 223,900 | $7.6B | 0.35% | Put |
| 60 | ALFCENTURION ACQUISITION CORP | 688,140 | $7.3B | 0.33% | |
| 61 | TASKTASKUS INC | 400,627 | $7.2B | 0.33% | |
| 62 | CGCTCARTESIAN GROWTH CORP III | 700,000 | $7.1B | 0.33% | |
| 63 | TAVITAVIA ACQUISITION CORP | 680,000 | $7.0B | 0.32% | |
| 64 | LCCCLAKESHORE ACQUISITION III CO | 689,436 | $7.0B | 0.32% | |
| 65 | GSRFGSR IV ACQUISITION CORP | 675,000 | $6.8B | 0.31% | |
| 66 | IPODDUNE ACQUISITION CORP II | 666,477 | $6.8B | 0.31% | |
| 67 | CGCTCARTESIAN GROWTH CORP III | 678,000 | $6.8B | 0.31% | |
| 68 | SDHISIDDHI ACQUISITION CORP | 661,800 | $6.7B | 0.31% | |
| 69 | DDDUPONT DE NEMOURS INC | 85,700 | $6.7B | 0.31% | Put |
| 70 | XRPNARMADA ACQUISITION CORP II | 633,400 | $6.6B | 0.30% | |
| 71 | DTSQDT CLOUD STAR ACQUISITION CO | 619,817 | $6.5B | 0.30% | |
| 72 | KHCKRAFT HEINZ CO | 243,200 | $6.3B | 0.29% | Put |
| 73 | LWACLIGHTWAVE ACQUISITION CORP | 569,872 | $5.7B | 0.26% | |
| 74 | —ARMADA ACQUISITION CORP II | 550,000 | $5.7B | 0.26% | |
| 75 | APTVAPTIV PLC | 66,000 | $5.7B | 0.26% | Put |
| 76 | LOBLIVE OAK ACQUISITION CORP V | 550,046 | $5.6B | 0.26% | |
| 77 | AEBAALLETE INC | 84,129 | $5.6B | 0.26% | |
| 78 | FTWEQV VENTURES AC CORP. II | 550,000 | $5.5B | 0.25% | |
| 79 | BACQMAYWOOD ACQUISITION CORP | 532,807 | $5.4B | 0.25% | |
| 80 | GTENGORES HLDGS X INC | 515,073 | $5.3B | 0.24% | |
| 81 | JENAJENA ACQUISITION CORP II | 512,000 | $5.2B | 0.24% | |
| 82 | LEGTLEGATO MERGER CORP III | 483,161 | $5.2B | 0.24% | |
| 83 | TVATEXAS VENTURES ACQUISITION I | 478,039 | $5.1B | 0.23% | |
| 84 | OBAOXLEY BRIDGE ACQ LTD | 508,100 | $5.1B | 0.23% | |
| 85 | —BLUE WTR ACQUISITION CORP. I | 500,000 | $5.0B | 0.23% | |
| 86 | CMCSACOMCAST CORP NEW | 159,200 | $5.0B | 0.23% | Put |
| 87 | CRAQCAL REDWOOD ACQUISITION CORP | 500,000 | $5.0B | 0.23% | |
| 88 | AXINAXIOM INTELLIGENCE AC CORP 1 | 500,000 | $5.0B | 0.23% | |
| 89 | VNMEVENDOME ACQUISITION CORP I | 500,000 | $5.0B | 0.23% | |
| 90 | NMPNMP ACQUISITION CORP | 500,000 | $5.0B | 0.23% | |
| 91 | BLUWBLUE WTR ACQUISITION CORP. I | 475,000 | $4.7B | 0.22% | |
| 92 | NHICNEWHOLD INVT CORP III | 450,000 | $4.6B | 0.21% | |
| 93 | PGACPANTAGES CAPITAL ACQUISITION | 443,000 | $4.6B | 0.21% | |
| 94 | —GSR III ACQUISITION CORP | 433,174 | $4.5B | 0.21% | |
| 95 | MACIMELAR ACQUISITION CORP. I | 424,707 | $4.5B | 0.20% | |
| 96 | OYSEOYSTER ENTERPRISES II ACQUIS | 445,112 | $4.5B | 0.20% | |
| 97 | HN9HANESBRANDS INC | 652,571 | $4.3B | 0.20% | |
| 98 | —ORIGIN INVT CORP I | 425,000 | $4.3B | 0.20% | |
| 99 | HSPTHORIZON SPACE ACQUISITION II | 404,900 | $4.2B | 0.19% | |
| 100 | FGMCFG MERGER II CORP | 418,265 | $4.2B | 0.19% |
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