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Westchester Capital Management, LLC — 13F Holdings & Portfolio

CIK 1512805 · latest 13F-HR filed 2026-08-14

Backtest portfolio

Westchester Capital Management, LLC manages $2.04B in 13F-reported U.S. long-equity assets across 878 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are EA (7.73%), NSC (7.40%), WBD (6.76%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 75 new positions, exited 72, added to 61, and trimmed 29.

AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.

Filer Information
Address
100 SUMMIT LAKE DRIVE
VALHALLA, NY 10595
Phone
(914) 741-5600
Filing Manager
Westchester Capital Management, LLC
VALHALLA, NY
Signatory
CaSaundra Wu
Chief Compliance Officer
Loading holdings…
AUM

$2.04B

Long-equity book

Holdings

878

Distinct positions

Period

2026-06-30

Filed 2026-08-14

Q/Q Activity

+75 / −72 / ↑61 / ↓29

vs 2026-03-31

Firm Profile & Key People
Name Title / Status Ownership Type

Top Adds (vs prior quarter)

  • CAESARS ENTERTAINMENT INC NE$35.8M +622.3%
  • QORVO INC$29.2M +143.2%
  • CHART INDS INC$25.6M +25.0%
  • PENUMBRA INC$24.6M +97.6%
  • ELECTRONIC ARTS INC$21.5M +14.6%
Show all 61 →

Top Trims

  • WEBSTER FINL CORP-$20.4M -16.1%
  • DRUGS MADE IN AMER ACQUTN CO-$11.3M -64.6%
  • CHURCHILL CAPITAL CORP IX-$6.9M -78.3%
  • LIBERTY BROADBAND CORP-$6.8M -81.4%
  • LAKESHORE ACQUISITION III CO-$5.1M -71.7%
Show all 29 →

New Positions

  • ROKU INC$43.4M
  • ORGANON & CO$19.3M
  • SELECT MED HLDGS CORP$16.2M
  • TOPBUILD COR$15.9M
  • AES CORP$14.9M
Show all 75 →

Exited Positions

  • CLEARWATER ANALYTICS HLDGS I$61.9M
  • COTERRA ENERGY INC$55.8M
  • SEALED AIR CORP NEW$39.8M
  • PROASSURANCE CORP$36.0M
  • HOLOGIC INC$34.4M
Show all 72 →
All Holdings

Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).

# Issuer Symbol CUSIP Value Weight Shares Type
1 ELECTRONIC ARTS INC EA 285512109 $157.9M 7.73% 770,127 SH
2 NORFOLK SOUTHN CORP NSC 655844108 $151.2M 7.40% 480,474 SH
3 WARNER BROS DISCOVERY INC WBD 934423104 $138.2M 6.76% 5,183,365 SH
4 CHART INDS INC GTLS 16115Q308 $119.5M 5.85% 572,099 SH
5 WEBSTER FINL CORP WBS 947890109 $105.5M 5.16% 1,380,533 SH
6 UNIFIRST CORP MASS UNF 904708104 $67.2M 3.29% 254,110 SH
7 DIGITALBRIDGE GROUP INC DBRG 25401T603 $53.3M 2.61% 3,376,699 SH
8 QORVO INC QRVO 74736K101 $45.0M 2.20% 482,447 SH
9 PENUMBRA INC PEN 70975L107 $44.4M 2.18% 140,763 SH
10 ROKU INC ROKU 77543R102 $39.0M 1.91% 282,274 SH
11 CAESARS ENTERTAINMENT INC NE CZR 12769G100 $38.0M 1.86% 1,258,384 SH
12 AGRICULTURE & NAT SOL ACQ CO ANSC G0131Y100 $22.2M 1.09% 1,957,555 SH
13 KENVUE INC KVUE 49177J102 $17.8M 0.87% 931,136 SH
14 ORGANON & CO OGN 68622V106 $16.9M 0.83% 1,246,113 SH
15 K&F GROWTH ACQUISITION CORP KFII G52258111 $15.0M 0.73% 1,418,954 SH
16 SELECT MED HLDGS CORP SEM 81619Q105 $14.6M 0.72% 886,670 SH
17 GLOBA TERRA ACQUISITION COR GTERA G3933N116 $13.3M 0.65% 1,289,139 SH
18 AES CORP AES 00130H105 $13.2M 0.64% 898,117 SH
19 TOPBUILD COR COR 89055F103 $12.6M 0.62% 29,636 SH
20 KOCHAV DEFENSE ACQUI CO KCHV G5304D106 $12.6M 0.62% 1,212,848 SH
21 OYSTER ENTERPRISES II ACQUIS OYSE G6861F104 $12.4M 0.61% 1,202,048 SH
22 SOULPOWER ACQUISITION CORP SOUL G82745103 $12.4M 0.61% 1,195,602 SH
23 GIGCAPITAL8 CORP GIW G3864J100 $12.1M 0.59% 1,207,061 SH
24 WARNER BROS DISCOVERY INC WBD 934423104 $12.0M 0.59% 450,028 SH
25 JACKSON ACQUISITION CO II JACS G4992A110 $11.9M 0.58% 1,117,827 SH
26 PIONEER ACQUISITION I CORP PACH G7117W107 $11.8M 0.58% 1,152,746 SH
27 ALDEL FINL II INC ALDF G01558108 $11.8M 0.58% 1,100,357 SH
28 SIDDHI ACQUISITION CORP SDHI G8118C124 $11.7M 0.57% 1,121,204 SH
29 SIZZLE ACQUISITION CORP. II SZZL G8193F109 $11.3M 0.55% 1,090,953 SH
30 ANDRETTI ACQUISITION CORP II POLE G26745102 $11.2M 0.55% 1,041,853 SH
31 JANUS HENDERSON GROUP PLC JHG G4474Y214 $10.7M 0.53% 206,645 SH
32 NEW PROVIDENCE ACQUISITION C NPAC G6476A102 $10.7M 0.52% 1,028,209 SH
33 OXLEY BRIDGE ACQ LTD OBA G6858G107 $10.5M 0.51% 1,021,569 SH
34 ARTIUS II ACQUISITION INC AACB G0509J115 $9.9M 0.48% 943,963 SH
35 ELECTRONIC ARTS INC EA 285512109 $9.7M 0.48% 47,442 SH
36 LAUNCH TWO ACQUISITION CORP. LPBB G5S87A105 $9.7M 0.47% 902,722 SH
37 CAL REDWOOD ACQUISITION CORP CRAQ G17564108 $9.3M 0.46% 907,714 SH
38 NORFOLK SOUTHN CORP NSC 655844108 $9.3M 0.46% 29,689 SH
39 APEX TREAS CORP APXT G04104108 $9.1M 0.45% 907,401 SH
40 NEWBURY STR II ACQUISITION C NTWO G6439S109 $8.7M 0.43% 819,213 SH
41 JENA ACQUISITION CORP II JENA G5093B105 $8.6M 0.42% 828,163 SH
42 QUANTUM LEAP ACQUISITION COR QLEP G73167101 $8.5M 0.42% 859,341 SH
43 TOPBUILD COR Put COR 89055F103 $8.5M 0.42% 20,000 SH
44 TITAN ACQUISITION CORP TACH G8901A103 $8.4M 0.41% 809,854 SH
45 COPLEY ACQUISITION CORP COPL G24243100 $8.4M 0.41% 807,521 SH
46 GSR IV ACQUISITION CORP GSRF G4R12K107 $8.4M 0.41% 827,786 SH
47 APOGEE THERAPEUTICS INC APGE 03770N101 $8.3M 0.40% 62,182 SH
48 ARMADA ACQUISITION CORP II XRPN G0R38G104 $7.9M 0.39% 760,910 SH
49 UNIFIRST CORP MASS UNF 904708104 $7.9M 0.39% 29,933 SH
50 REPUBLIC DIGITAL ACQUISITION RDAG G7515A103 $7.7M 0.38% 749,072 SH
Filing History
Period Filed AUM Holdings Accession
2026-06-30 2026-08-14 $2.04B 878 0001512805-26-000008
2026-03-31 2026-05-15 $2.21B 863 0001512805-26-000005
2025-12-31 2026-02-13 $2.38B 778 0001512805-26-000002
2025-09-30 2025-11-14 $2.19B 678 0001628280-25-052144