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  • Gurus
  • Event Driven
  • 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
COOPMR COOPER GROUP INC7.1%736,206$155,184,862237,78547.71%$210.7913F
IPGINTERPUBLIC GROUP COS INC2.91%2,282,614$63,707,757169,6828.03%$27.9113F
LBRDALIBERTY BROADBAND CORP2.19%756,525$47,910,72813,7001.84%$63.3313F
AAMAA MISSION ACQUISITION CORP1.3%2,701,172$28,416,329511,17223.34%$10.5213F
HYACHAYMAKER ACQUISITION CORP IV1.01%1,939,028$21,988,577750,00063.08%$11.3413F
SZZLSIZZLE ACQUISITION CORP. II0.72%1,564,728$15,835,0481,389,728794.13%$10.1213F
SIMASIM ACQUISITION CORP. I0.61%1,270,312$13,338,27645,3253.7%$10.513F
HONHONEYWELL INTL INC (Put)0.45%47,100$9,914,55013,20038.94%$210.513F
NTWONEWBURY STR II ACQUISITION C0.43%898,111$9,299,940173,00023.86%$10.3613F
ATIIARCHIMEDES TECH SPAC PARTNER0.42%900,000$9,189,001250,00038.46%$10.2113F
COPLCOPLEY ACQUISITION CORP0.4%860,600$8,700,666753,100700.56%$10.1113F
PACHUPIONEER ACQUISITION I CORP0.39%850,000$8,542,500600,000240%$10.0513F
GIGGIGCAPITAL7 CORP0.38%789,000$8,316,06140,0005.34%$10.5413F
CGCTCARTESIAN GROWTH CORP III0.31%678,000$6,810,510428,000171.2%$10.0513F
AACIARMADA ACQUISITION CORP II0.3%633,400$6,612,696383,400153.36%$10.4413F
LWACULIGHTWAVE ACQUISITION CORP0.26%569,872$5,721,514219,87262.82%$10.0413F
LOKVLIVE OAK ACQUISITION CORP V0.26%550,046$5,599,468350,046175.02%$10.1813F
NHICNEWHOLD INVT CORP III0.21%450,000$4,581,000200,00080%$10.1813F
GHLDGUILD HLDGS CO0.17%188,103$3,750,775107,946134.67%$19.9413F
HONHONEYWELL INTL INC0.12%12,800$2,694,4001000.79%$210.513F
IACIAC INC0.06%38,500$1,311,69536,9952458.14%$34.0713F
PCAPUPROCAP ACQUISITION CORP0.03%69,110$731,87544,917185.66%$10.5913F