Westchester Capital Management LLC

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Westchester Capital Management LLC
CRD #155686
SEC #801-72002
CIK #0001390063, 0001512805
AUM 2,884.1 M (2026-03-30)
Employees 10 (60% Investors, 0% Brokers)
Phone914-741-5600
Address100 Summit Lake Drive
Valhalla, NY 10595-1339
Source [IAPD] [EDGAR] [Website] [Twitter] [LinkedIn]
Total AUM ($B)
6.04.83.62.41.20.02008201420202027
Sector Form 13F Holdings Value ($B)
Caterpillar Inc 0.0
Apple Inc 0.0
Wal Mart Stores Inc 0.0
Alphabet Inc 0.0
Microsoft Corp 0.0
J P Morgan Chase & Co 0.0
AbbVie Inc 0.0
Valero Energy Corp/Tx 0.0
Waste Management Inc 0.0
Cisco Systems Inc 0.0
View All
Holdings by Sector ($B)
10.08.06.04.02.00.02011201620212027
Type Form D Funds Date Sold AUM
Other Merrill Lynch Investment Solutions--Westchester Merger Arbitrage UCITS Fund [2013-04-01] 1.0 M 7.3 M
Filed 2011-07-08 (D) · Exemption 506, 3(c), 3(c)(7) · Minimum $1,000 · Remaining Indefinite · Duration More than one year · Net Assets $1 - $5,000,000
AUM Breakdown Accounts AUM ($B)
By Client Type
(a) Individuals (other than high net worth individuals) 0 0.0
(b) Individuals (high net worth individuals) 0 0.0
(c) Banking or thrift institutions 0 0.0
(d) Investment companies 7 2.9
(e) Business development companies 0 0.0
(f) Pooled investment vehicles 0 0.0
(g) Pension and profit sharing plans 0 0.0
(h) Charitable organizations 0 0.0
(i) State or municipal government entities 0 0.0
(j) Other investment advisers 0 0.0
(k) Insurance companies 0 0.0
(l) Sovereign wealth funds and foreign official institutions 0 0.0
(m) Corporations or other businesses not listed above 0 0.0
(n) Other 0 0.0
Total 7 2.9
By Discretionary
Discretionary 7 2.9
Non-Discretionary 0 0.0
Total 7 2.9
By Non-United States Persons
Non-United States Persons 0.0
United States Persons 2.9
Total 7 2.9
Form D Directors Role # Filings # Firms 2011 - 2026
Paul Guillaume Director 4 4
Jean-Claude Wolter Director 2 2
James Munce Executive Officer 1 1
Eric Personne Director 1 1
Miriam Muller Director 1 1
Raymond Blokland Director 1 1
Dauphou Edi Executive Officer 1 1
Riccardo Fisogni Director 1 1
EDGAR Form CIK 2011 - 2026
13F-HR [0001390063]
13F-HR [0001512805]
SC 13G [0001512805]
Form 13D/13G Filer Form 13D/13G Subject Filed
Westchester Capital Management LLC Miluna Acquisition Corp [2026-05-15]
Westchester Capital Management LLC Harvard AVE Acquisition Corp [2026-05-15]
Westchester Capital Management LLC Gigcapital8 Corp [2026-05-15]
Westchester Capital Management LLC Crown Reserve Acquisition Corp I [2026-05-15]
Westchester Capital Management LLC Tavia Acquisition Corp [2026-05-15]
Westchester Capital Management LLC Ribbon Acquisition Corp [2026-05-15]
Westchester Capital Management LLC Pioneer Acquisition I Corp [2026-05-15]
Westchester Capital Management LLC Oak Woods Acquisition Corp [2026-05-15]
Westchester Capital Management LLC Nabors Energy Transition Corp II [2025-11-14]
Westchester Capital Management LLC Globa Terra Acquisition Corp [2025-11-14]
View All
Firm Profile (Form ADV)
Discretionary AUM$5.2B
ServesInstitutional
LEI549300JVYLER1U5NDK13
Related Firms State AUM
Westchester Capital Management LLC
NY 2,884.1 M
Westchester Capital Partners LLC
NY 34.2 M
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