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  • Gurus
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  • WESTCHESTER CAPITAL MANAGEMENT, LLC (Data extracted from 13F, 13D, 13G and Form 4)

WESTCHESTER CAPITAL MANAGEMENT, LLC

AUM: $3.97 B
13-F Portfolio Value: $2.19 B
Last 13-F Filed: Q3 2025
Concentration in top 10: 46.65%
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Stock Company % Portfolio Shares Held Market Value Change in Shares % Change Quarter End Price Source
KKELLANOVA6.38%1,701,179$139,530,701No Change$82.0213F
ANSCAGRICULTURE & NAT SOL ACQ CO1.23%2,464,804$26,915,659No Change$10.9213F
KFIIK&F GROWTH ACQUISITION CORP0.88%1,885,000$19,264,700No Change$10.2213F
DMAADRUGS MADE IN AMER ACQUTN CO0.78%1,669,000$17,140,630No Change$10.2713F
SPRSPIRIT AEROSYSTEMS HLDGS INC0.61%344,900$13,313,141No Change$38.613F
VACHVOYAGER ACQUISITION CORP0.6%1,261,894$13,199,411No Change$10.4613F
PLMKPLUM ACQUISITION CORP IV0.58%1,225,000$12,654,250No Change$10.3313F
POLEANDRETTI ACQUISITION CORP II0.56%1,161,916$12,165,260No Change$10.4713F
JACSJACKSON ACQUISITION CO II0.56%1,186,200$12,312,756No Change$10.3813F
MLACMOUNTAIN LAKE ACQUISITION CO0.56%1,182,271$12,177,391No Change$10.313F
ALDFALDEL FINL II INC0.55%1,159,448$12,116,232No Change$10.4513F
FACTFACT II ACQUISITION CORP0.51%1,083,000$11,154,900No Change$10.313F
KCHVUKOCHAV DEFENSE ACQUI CO0.47%1,000,000$10,240,000No Change$10.2413F
AACBARTIUS II ACQUISITION INC0.46%995,939$10,088,862No Change$10.1313F
LPBBLAUNCH TWO ACQUISITION CORP.0.45%950,000$9,918,000No Change$10.4413F
OYSEUOYSTER ENTERPRISES II ACQUIS0.39%850,000$8,500,000No Change$1013F
CGCTUCARTESIAN GROWTH CORP III0.33%700,000$7,118,999No Change$10.1713F
ALFCENTURION ACQUISITION CORP0.33%688,140$7,259,877No Change$10.5513F
TAVITAVIA ACQUISITION CORP0.32%680,000$7,038,000No Change$10.3513F
IPODUDUNE ACQUISITION CORP II0.31%666,477$6,811,395No Change$10.2213F
SDHISIDDHI ACQUISITION CORP0.31%661,800$6,717,270No Change$10.1513F
DTSQDT CLOUD STAR ACQUISITION CO0.3%619,817$6,495,683No Change$10.4813F
MAYAMAYWOOD ACQUISITION CORP0.25%532,807$5,445,287No Change$10.2213F
LEGTLEGATO MERGER CORP III0.24%483,161$5,189,150No Change$10.7413F
BLUWUBLUE WTR ACQUISITION CORP. I0.23%500,000$5,045,000No Change$10.0913F
PGACPANTAGES CAPITAL ACQUISITION0.21%443,000$4,554,040No Change$10.2813F
MACIMELAR ACQUISITION CORP. I0.2%424,707$4,463,670No Change$10.5113F
YHNAYHN ACQUISITION I LTD0.19%398,000$4,159,100No Change$10.4513F
HSPTHORIZON SPACE ACQUISITION II0.19%404,900$4,186,666No Change$10.3413F
JENAUJENA ACQUISITION CORP II0.19%400,000$4,164,001No Change$10.4113F
FVNFUTURE VISION II ACQUISITION0.18%376,362$3,936,747No Change$10.4613F
RDACRISING DRAGON ACQUISITION CO0.18%367,500$3,829,350No Change$10.4213F
WENNUWEN ACQUISITION CORP0.18%384,654$4,011,941No Change$10.4313F
IBACIB ACQUISITION CORP0.17%349,019$3,696,111No Change$10.5913F
HSPOHORIZON SPACE ACQUSTN I CORP0.17%297,000$3,659,040No Change$12.3213F
QSEAQUARTZSEA ACQUISITION CORP0.17%366,605$3,721,041No Change$10.1513F
CAPNCAYSON ACQUISITION CORP0.16%325,000$3,399,500No Change$10.4613F
NOEMCO2 ENERGY TRANSITION CORP0.15%331,013$3,363,092No Change$10.1613F
TVAIUTHAYER VENTURES ACQ CORP II0.13%275,000$2,805,000No Change$10.213F
RFAIRF ACQUISITION CORP II0.12%250,000$2,667,500No Change$10.6713F
CMCSACOMCAST CORP NEW0.11%79,600$2,501,032No Change$31.4213F
CMCSACOMCAST CORP NEW (Put)0.11%79,600$2,501,032No Change$31.4213F
RAAQREAL ASSET ACQUISITION CORP0.11%240,312$2,436,765No Change$10.1413F
GRAFGRAF GLOBAL CORP0.1%214,157$2,257,215No Change$10.5413F
BAYABAYVIEW ACQUISITION CORP0.09%170,000$1,892,100No Change$11.1313F
ASPCA SPAC III ACQUISITION CORP0.09%200,000$2,070,000No Change$10.3513F
BACCUBLUE ACQUISITION CORP.0.09%200,000$2,028,000No Change$10.1413F
OBAWUOXLEY BRIDGE ACQ LTD0.09%200,000$2,010,000No Change$10.0513F
SVCCSTELLAR V CAP CORP0.09%200,000$2,060,000No Change$10.313F
CHARCHARLTON ARIA ACQUISITION CO0.09%200,000$2,076,000No Change$10.3813F
AXINUAXIOM INTELLIGENCE AC CORP 10.08%175,000$1,764,000No Change$10.0813F
BYMBLACKROCK MUN INCOME QUALITY0.07%132,996$1,456,306No Change$10.9513F
MQYBLACKROCK MUNIYILD QULT FD I0.07%130,274$1,517,692No Change$11.6513F
NVGNUVEEN AMT FREE MUN CR INC F0.07%123,412$1,516,734No Change$12.2913F
CRAQUCAL REDWOOD ACQUISITION CORP0.07%150,000$1,534,500No Change$10.2313F
PMTRUPERIMETER ACQUISITION CORP I0.07%150,000$1,575,000No Change$10.513F
EQVEQV VENTURES ACQUISITION COR0.06%135,300$1,404,414No Change$10.3813F
TACOUBERTO ACQUISITION CORP0.04%75,000$801,750No Change$10.6913F
CCIXCHURCHILL CAPITAL CORP IX0.04%74,769$783,580No Change$10.4813F
COLACOLUMBUS ACQUISITION CORP0.04%89,000$908,690No Change$10.2113F
FIGXUFIGX CAP ACQUISITION CORP.0.04%85,000$855,950No Change$10.0713F
KVACKEEN VISION ACQUISITION CORP0.04%70,000$812,000No Change$11.613F
RDAGUREPUBLIC DIGITAL ACQUISITION0.04%75,000$786,000No Change$10.4813F
MYIBLACKROCK MUNIYIELD QUALITY0.03%51,189$567,174No Change$11.0813F
CHPGUCHAMPIONSGATE ACQUISITION CO0.03%60,000$607,800No Change$10.1313F
EGHAUEGH ACQUISITION CORP.0.03%75,000$750,750No Change$10.0113F
BFKBLACKROCK MUN INCOME TR0.02%35,704$358,825No Change$10.0513F
BLEBLACKROCK MUNI INCOME TR II0.02%35,704$373,106No Change$10.4513F
MHDBLACKROCK MUNIHOLDINGS FD IN0.02%43,988$516,860No Change$11.7513F
MUEBLACKROCK MUNIHOLDINGS QUALI0.02%43,988$442,520No Change$10.0613F
BSAAUBEST SPAC I ACQUISITION CORP0.02%50,000$508,000No Change$10.1613F
CAEPCANTOR EQUITY PARTNERS III I0.02%50,000$516,000No Change$10.3213F
JACSRTJACKSON ACQUISITION CO II0.00972%850,000$212,500No Change$0.2513F
IROHRIRON HORSE ACQUISITIONS CORP0.00813%243,606$177,832No Change$0.7313F
MLACRMOUNTAIN LAKE ACQUISITION CO0.00736%805,100$161,020No Change$0.213F
DMAARDRUGS MADE IN AMER ACQUTN CO0.00497%500,000$108,750No Change$0.2213F
MFICMIDCAP FINANCIAL INVSTMNT CO0.00422%7,702$92,347No Change$11.9913F
AFJKRAIMEI HEALTH TECHNOLOGY CO L0.00395%288,212$86,463No Change$0.313F
TAVIRTAVIA ACQUISITION CORP0.00357%400,000$78,000No Change$0.213F
DRDBWROMAN DBDR ACQUISITION CORP0.00353%149,998$77,220No Change$0.5113F
SIMAWSIM ACQUISITION CORP. I0.00326%187,499$71,250No Change$0.3813F
ESHARESH ACQUISITION CORP0.0032%400,000$70,001No Change$0.1813F
ATIIWARCHIMEDES TECH SPAC PARTNER0.0032%199,999$70,020No Change$0.3513F
FACTWFACT II ACQUISITION CORP0.00277%216,500$60,620No Change$0.2813F
NTWOWNEWBURY STR II ACQUISITION C0.00238%225,000$51,975No Change$0.2313F
PGACRPANTAGES CAPITAL ACQUISITION0.00211%385,000$46,239No Change$0.1213F
LPBBWLAUNCH TWO ACQUISITION CORP.0.00208%124,999$45,512No Change$0.3613F
POLEWANDRETTI ACQUISITION CORP II0.00206%224,999$45,000No Change$0.213F
WTGUUWINTERGREEN ACQUISITION CORP0.00204%4,382$44,565No Change$10.1713F
KVACWKEEN VISION ACQUISITION CORP0.00196%649,000$42,769No Change$0.0713F
LOKVWLIVE OAK ACQUISITION CORP V0.00192%99,999$42,020No Change$0.4213F
BAYARBAYVIEW ACQUISITION CORP0.00183%250,000$40,000No Change$0.1613F
SVCCWSTELLAR V CAP CORP0.00163%99,998$35,610No Change$0.3613F
GRAFWSGRAF GLOBAL CORP0.00161%106,977$35,302No Change$0.3313F
KFIIRK&F GROWTH ACQUISITION CORP0.00149%250,000$32,525No Change$0.1313F
VACHWVOYAGER ACQUISITION CORP0.00143%183,647$31,220No Change$0.1713F
ALCYWALCHEMY INVTS ACQUISITN CORP0.00134%224,998$29,250No Change$0.1313F
IBACRIB ACQUISITION CORP0.00128%349,019$27,922No Change$0.0813F
ISRLWISRAEL ACQUISITIONS CORP0.00128%153,300$27,978No Change$0.1813F
IROHWIRON HORSE ACQUISITIONS CORP0.00113%243,606$24,604No Change$0.113F
SPKLWSPARK I ACQUISITION CORP0.00113%44,785$24,699No Change$0.5513F
CAPNRCAYSON ACQUISITION CORP0.0011%150,000$24,000No Change$0.1613F
DYCQRDT CLOUD ACQUISITION CORP0.00083%128,936$18,064No Change$0.1413F
ALFUWCENTURION ACQUISITION CORP0.00069%49,999$15,000No Change$0.313F
BKHARBLACK HAWK ACQUISITION CORP0.00054%9,923$11,908No Change$1.213F
BZFDWBUZZFEED INC0.00037%145,837$8,021No Change$0.0513F
BAERWBRIDGER AEROSPACE GRP HLDGS0.00037%100,000$8,010No Change$0.0813F
ECXWWECARX HOLDINGS INC0.0003%124,999$6,513No Change$0.0513F
TVGNWTEVOGEN BIO HLDGS INC0.00025%99,994$5,499No Change$0.0513F
ZEOWWZEO ENERGY CORP0.00022%87,498$4,804No Change$0.0513F
GIBOWGIBO HOLDINGS LTD.0.00014%74,998$3,000No Change$0.0413F
ALURWSALLURION TECHNOLOGIES INC0.00011%85,801$2,316No Change$0.0313F
PBMWWPSYENCE BIOMEDICAL LTD0.00011%92,073$2,302No Change$0.0313F
XBPEWXBP GLOBAL HOLDINGS INC0.00011%62,499$2,500No Change$0.0413F
VEEAWVEEA INC0.00009%26,913$1,884No Change$0.0713F
CEROWCERO THERAPEUTICS HLDGS INC0.00005%74,998$997No Change$0.0113F