Westchester Capital Management, Llc
Institutional manager — quarterly 13F holdings, Q ending 2026-03-31
Reported value
$2.21B
Q ending 2026-03-31
Prior quarter
$2.38B
Q ending 2025-12-31
Change
-7.3% QoQ · +13.7% YoY
Positions
307
reported holdings
Largest positions
Top 100 of 307 reported positions by value, Q ending 2026-03-31. A manager can hold shares, calls and puts on the same security at once — such positions are listed as separate rows. Type: Shares = common stock, Put/Call = option positions (valued at the underlying), Principal = debt. Tickers link to stock pages where covered.
| Holding | Ticker | Type | Value ▼ | Shares |
|---|---|---|---|---|
| Electronic Arts Inc | EA | Shares | $147.9M | 725K |
| Norfolk Southn Corp | NSC | Shares | $144.0M | 502K |
| Warner Bros Discovery Inc | WBD | Shares | $143.7M | 5.2M |
| Webster Finl Corp | WBS | Shares | $127.3M | 1.8M |
| Chart Inds Inc | I3N | Shares | $102.6M | 496K |
| State Str Spdr S&P 500 Etf T | SPY | Put | $97.6M | 150K |
| Unifirst Corp Mass | UNF | Shares | $65.0M | 258K |
| Clearwater Analytics Hldgs I | Shares | $61.9M | 2.6M | |
| Coterra Energy Inc | CTRA | Shares | $55.8M | 1.6M |
| Digitalbridge Group Inc | DBRG | Shares | $45.3M | 2.9M |
| Sealed Air Corp New | SDA | Shares | $39.8M | 946K |
| Proassurance Corp | PRA | Shares | $36.0M | 1.5M |
| Hologic Inc | HOLX | Shares | $34.4M | 455K |
| Penumbra Inc | PEN | Shares | $25.2M | 77K |
| Masimo Corp | MASI* | Shares | $24.6M | 138K |
| Agriculture & Nat Sol Acq Co | Shares | $23.1M | 2.0M | |
| Haymaker Acquisition Corp Iv | Shares | $22.2M | 1.9M | |
| Air Lease Corp | AVLA | Shares | $21.7M | 334K |
| Qorvo Inc | QRVO | Shares | $20.4M | 264K |
| Drugs Made In Amer Acqutn Co | Shares | $17.5M | 1.7M | |
| Onestream Inc | K4F | Shares | $16.3M | 677K |
| Sizzle Acquisition Corp. Ii | Shares | $16.0M | 1.6M | |
| K&F Growth Acquisition Corp | Shares | $15.4M | 1.5M | |
| Globa Terra Acquisition Cor | Shares | $14.5M | 1.4M | |
| Titan Acquisition Corp | Shares | $13.9M | 1.3M | |
| Gigcapital8 Corp | Shares | $13.3M | 1.3M | |
| Oyster Enterprises Ii Acquis | Shares | $13.2M | 1.3M | |
| Kochav Defense Acqui Co | Shares | $13.2M | 1.3M | |
| Soulpower Acquisition Corp | Shares | $13.1M | 1.3M | |
| Siddhi Acquisition Corp | Shares | $13.0M | 1.2M | |
| Pioneer Acquisition I Corp | Shares | $12.8M | 1.3M | |
| Jackson Acquisition Co Ii | Shares | $12.6M | 1.2M | |
| Aldel Finl Ii Inc | Shares | $12.3M | 1.2M | |
| Janus Henderson Group Plc | Shares | $11.9M | 231K | |
| Andretti Acquisition Corp Ii | Shares | $11.8M | 1.1M | |
| New Providence Acquisition C | Shares | $11.6M | 1.1M | |
| Oxley Bridge Acq Ltd | Shares | $11.3M | 1.1M | |
| Voyager Acquisition Corp | Shares | $10.3M | 962K | |
| Artius Ii Acquisition Inc | Shares | $10.3M | 996K | |
| Cal Redwood Acquisition Corp | Shares | $10.2M | 1.0M | |
| Launch Two Acquisition Corp. | Shares | $10.1M | 950K | |
| Apex Treas Corp | Shares | $10.0M | 1.0M | |
| Plum Acquisition Corp Iv | Shares | $9.7M | 921K | |
| Archimedes Tech Spac Partner | Shares | $9.4M | 907K | |
| Newbury Str Ii Acquisition C | Shares | $9.4M | 898K | |
| Mountain Lake Acquisition Co | Shares | $9.3M | 888K | |
| Gp-Act Iii Acquisition Corp | Shares | $9.3M | 861K | |
| Jena Acquisition Corp Ii | Shares | $9.3M | 912K | |
| Apellis Pharmaceuticals Inc | APLS | Shares | $9.2M | 227K |
| Gsr Iv Acquisition Corp | Shares | $9.0M | 900K | |
| Copley Acquisition Corp | Shares | $8.9M | 861K | |
| Churchill Capital Corp Ix | Shares | $8.8M | 825K | |
| Armada Acquisition Corp Ii | Shares | $8.6M | 833K | |
| Republic Digital Acquisition | Shares | $8.4M | 825K | |
| Liberty Broadband Corp | LBRDA | Shares | $8.4M | 167K |
| Lightwave Acquisition Corp | Shares | $8.3M | 820K | |
| Sim Acquisition Corp. I | Shares | $8.3M | 770K | |
| Keurig Dr Pepper Inc | KDP | Put | $7.9M | 298K |
| Aptiv Plc | Shares | $7.8M | 112K | |
| Aptiv Plc | Put | $7.8M | 112K | |
| Fact Ii Acquisition Corp | Shares | $7.6M | 726K | |
| Mckinley Acquisition Corp | Shares | $7.4M | 740K | |
| Centurion Acquisition Corp | Shares | $7.4M | 688K | |
| Berto Acquisition Corp | Shares | $7.2M | 704K | |
| Tavia Acquisition Corp | Shares | $7.2M | 680K | |
| Lakeshore Acquisition Iii Co | Shares | $7.1M | 689K | |
| Dune Acquisition Corp Ii | Shares | $6.9M | 666K | |
| Axiom Intelligence Ac Corp 1 | Shares | $6.8M | 675K | |
| Wen Acquisition Corp | Shares | $6.8M | 672K | |
| Cslm Digita Asset Acq Corp I | Shares | $6.5M | 650K | |
| Solarius Capital Acqu Corp | Shares | $6.5M | 640K | |
| Crown Resv Acquisition Corp | Shares | $6.4M | 636K | |
| Barrick Mng Corp | B | Shares | $6.3M | 156K |
| Barrick Mng Corp | B | Put | $6.3M | 155K |
| Mountain Lake Acquisit Corp | Shares | $6.1M | 615K | |
| Harvard Ave Acquisition Corp | Shares | $6.1M | 599K | |
| Valaris Ltd | Shares | $6.0M | 62K | |
| Honeywell Intl Inc | HONGBP | Put | $6.0M | 27K |
| Blue Wtr Acquisition Corp. I | Shares | $5.8M | 566K | |
| Caesars Entertainment Inc Ne | CZR | Shares | $5.8M | 218K |
| Caesars Entertainment Inc Ne | CZR | Put | $5.8M | 218K |
| Aa Mission Acquisition Corp | Shares | $5.7M | 572K | |
| Live Oak Acquisition Corp V | Shares | $5.7M | 550K | |
| Kenvue Inc | KVUE | Shares | $5.7M | 331K |
| Eqv Ventures Ac Corp. Ii | Shares | $5.6M | 550K | |
| Yorkville Acquisition Corp. | Shares | $5.6M | 550K | |
| Fedex Corp | FDX | Shares | $5.6M | 16K |
| Fedex Corp | FDX | Put | $5.6M | 16K |
| Inflection Point Acqu Corp V | Shares | $5.5M | 533K | |
| Thayer Ventures Acq Corp Ii | Shares | $5.4M | 525K | |
| Legato Merger Corp Iii | Shares | $5.3M | 483K | |
| A Paradise Acquisition Corp | Shares | $5.3M | 522K | |
| Gores Hldgs X Inc | Shares | $5.3M | 515K | |
| Nmp Acquisition Corp | Shares | $5.1M | 500K | |
| Vendome Acquisition Corp I | Shares | $5.1M | 500K | |
| Drugs Made In Amer Acq Ii Co | Shares | $5.0M | 503K | |
| Spacsphere Acquisition Corp | Shares | $5.0M | 500K | |
| Drugs Made In Amer Acq Ii Co | Shares | $5.0M | 500K | |
| Sc Ii Acquisition Corp | Shares | $5.0M | 500K | |
| Newhold Invt Corp Iii | Shares | $4.7M | 450K |
Values as reported in public regulatory filings (USD); holdings are reported quarterly, up to 45 days after quarter end, and may contain reporting errors. Nothing here is investment advice.