Westchester Capital Management, LLC Q4 2025 Filing

Filed February 13, 2026

Portfolio Value

$2.4B

Holdings

278

Report Date

Q4 2025

Filing Type

13F-HR

All Holdings (278 positions)

#StockSharesValue% PortfolioType
1
CYBRCYBERARK SOFTWARE LTD
327,864$146.2M6.14%
2
SPYSPDR S&P 500 ETF TR
200,000$136.4M5.73%Put
3
TECK/BTECK RESOURCES LTD
2,845,112$136.2M5.72%Put
4
EAELECTRONIC ARTS INC
594,161$121.4M5.10%
5
WBDWARNER BROS DISCOVERY INC
3,980,001$114.7M4.82%Put
6
NSCNORFOLK SOUTHN CORP
387,596$111.9M4.70%
7
GTLSCHART INDS INC
496,058$102.3M4.30%
8
FYBRFRONTIER COMMUNICATIONS PARE
2,308,994$87.9M3.69%
9
EXASEXACT SCIENCES CORP
751,561$76.3M3.21%
10
RNAAVIDITY BIOSCIENCES INC
962,659$69.4M2.92%
11
CMACOMERICA INC
658,366$57.2M2.40%
12
PRAPROASSURANCE CORP
1,605,544$38.8M1.63%
13
DAYDAYFORCE INC
546,665$37.8M1.59%
14
SEESEALED AIR CORP NEW
853,621$35.4M1.49%
15
YCYAA MISSION ACQUISITION CORP
2,701,172$28.8M1.21%
16
CFLTCONFLUENT INC
857,198$25.9M1.09%
17
LBRDALIBERTY BROADBAND CORP
530,942$25.6M1.08%
18
NGDNEW GOLD INC CDA
2,852,255$24.8M1.04%
19
HOLXHOLOGIC INC
319,734$23.8M1.00%
20
TGNATEGNA INC
1,192,134$23.1M0.97%
21
HYACHAYMAKER ACQUISITION CORP IV
1,939,028$22.1M0.93%
22
ANSCAGRICULTURE & NAT SOL ACQ CO
1,964,677$21.9M0.92%
23
ALAIR LEASE CORP
334,421$21.5M0.90%
24
KFIIK&F GROWTH ACQUISITION CORP
1,885,000$19.5M0.82%
25
CSXCSX CORP
487,583$17.7M0.74%Put
26
DMIIDRUGS MADE IN AMER ACQUTN CO
1,669,000$17.3M0.73%
27
APTVAPTIV PLC
223,800$17.0M0.72%Put
28
SZZLSIZZLE ACQUISITION CORP. II
1,564,728$15.9M0.67%
29
CTLPCANTALOUPE INC
1,389,401$14.8M0.62%
30
GPATGP-ACT III ACQUISITION CORP
1,360,852$14.6M0.61%
31
GTERAGLOBA TERRA ACQUISITION COR
1,414,429$14.3M0.60%
32
CADECADENCE BANK
328,564$14.1M0.59%
33
HONHONEYWELL INTL INC
72,100$14.1M0.59%Put
34
SDHISIDDHI ACQUISITION CORP
1,349,197$13.9M0.58%
35
TACHTITAN ACQUISITION CORP
1,344,693$13.8M0.58%
36
VACHVOYAGER ACQUISITION CORP
1,261,894$13.5M0.57%
37
SIMASIM ACQUISITION CORP. I
1,270,312$13.5M0.57%
38
NPACNEW PROVIDENCE ACQUISITION C
1,278,999$13.1M0.55%
39
OYSEOYSTER ENTERPRISES II ACQUIS
1,295,112$13.1M0.55%
40
THSTREEHOUSE FOODS INC
553,686$13.1M0.55%
41
KCHVKOCHAV DEFENSE ACQUI CO
1,286,000$13.0M0.55%
42
SOULSOULPOWER ACQUISITION CORP
1,279,300$13.0M0.55%
43
PLMKPLUM ACQUISITION CORP IV
1,225,000$12.8M0.54%
44
JACSJACKSON ACQUISITION CO II
1,186,200$12.4M0.52%
45
ALDFALDEL FINL II INC
1,159,448$12.2M0.51%
46
POLEANDRETTI ACQUISITION CORP II
1,111,416$11.7M0.49%
47
GIWGIGCAPITAL8 CORP
1,080,000$10.7M0.45%
48
AACBARTIUS II ACQUISITION INC
995,939$10.3M0.43%
49
BCARD. BORAL ARC ACQ I CORP.
1,002,475$10.1M0.42%
50
LPBBLAUNCH TWO ACQUISITION CORP.
950,000$10.0M0.42%
51
FACTFACT II ACQUISITION CORP
921,116$9.6M0.40%
52
ATIIARCHIMEDES TECH SPAC PARTNER
907,144$9.4M0.39%
53
NEWBURY STR II ACQUISITION C
898,111$9.4M0.39%
54
JENAJENA ACQUISITION CORP II
912,000$9.3M0.39%
55
MLACMOUNTAIN LAKE ACQUISITION CO
887,700$9.2M0.39%
56
OBAOXLEY BRIDGE ACQ LTD
917,657$9.2M0.39%
57
COPLCOPLEY ACQUISITION CORP
860,600$8.8M0.37%
58
PACHPIONEER ACQUISITION I CORP
850,000$8.6M0.36%
59
XRPNARMADA ACQUISITION CORP II
833,400$8.5M0.36%
60
KHCKRAFT HEINZ CO
342,800$8.3M0.35%Put
61
LWACLIGHTWAVE ACQUISITION CORP
819,872$8.2M0.35%
62
KDPKEURIG DR PEPPER INC
272,634$7.6M0.32%Put
63
ALFCENTURION ACQUISITION CORP
688,240$7.3M0.31%
64
TASKTASKUS INC
602,597$7.1M0.30%
65
TAVITAVIA ACQUISITION CORP
680,000$7.1M0.30%
66
LCCCLAKESHORE ACQUISITION III CO
689,436$7.0M0.30%
67
AXINAXIOM INTELLIGENCE AC CORP 1
675,000$6.8M0.29%
68
IPODDUNE ACQUISITION CORP II
666,477$6.8M0.29%
69
GSRFGSR IV ACQUISITION CORP
650,000$6.7M0.28%
70
CRAQCAL REDWOOD ACQUISITION CORP
650,000$6.6M0.28%
71
SOCASOLARIUS CAPITAL ACQU CORP
640,000$6.4M0.27%
72
CROWN RESV ACQUISITION CORP
610,000$6.1M0.25%
73
HAVAHARVARD AVE ACQUISITION CORP
598,790$6.0M0.25%
74
LOBLIVE OAK ACQUISITION CORP V
550,046$5.7M0.24%
75
FTWEQV VENTURES AC CORP. II
550,000$5.5M0.23%
76
BACQINFLECTION POINT ACQU CORP V
532,807$5.5M0.23%
77
TVAITHAYER VENTURES ACQ CORP II
525,000$5.3M0.22%
78
GTENGORES HLDGS X INC
515,073$5.3M0.22%
79
LEGTLEGATO MERGER CORP III
483,161$5.3M0.22%
80
APADA PARADISE ACQUISITION CORP
521,794$5.2M0.22%
81
VNMEVENDOME ACQUISITION CORP I
500,000$5.0M0.21%
82
DMIIDRUGS MADE IN AMER ACQ II CO
502,914$5.0M0.21%
83
NMPNMP ACQUISITION CORP
500,000$5.0M0.21%
84
DMIIDRUGS MADE IN AMER ACQ II CO
500,000$4.9M0.21%
85
APEX TREAS CORP
500,000$4.9M0.21%
86
YCYAA MISSION ACQUISITION CORP
494,185$4.9M0.21%
87
NHICNEWHOLD INVT CORP III
450,000$4.7M0.20%
88
CEPFCANTOR EQUITY PARTNERS V INC
450,000$4.6M0.19%
89
PGACPANTAGES CAPITAL ACQUISITION
443,000$4.6M0.19%
90
MACIMELAR ACQUISITION CORP. I
424,707$4.5M0.19%
91
TACOBERTO ACQUISITION CORP
433,460$4.4M0.18%
92
ORIGIN INVT CORP I
425,000$4.3M0.18%
93
CUBLIONHEART HOLDINGS
400,036$4.3M0.18%
94
HSPTHORIZON SPACE ACQUISITION II
404,900$4.3M0.18%
95
CMCSACOMCAST CORP NEW
141,500$4.2M0.18%Put
96
BLUE WTR ACQUISITION CORP. I
400,000$4.2M0.18%
97
GIGGIGCAPITAL7 CORP
393,423$4.1M0.17%
98
PACHPIONEER ACQUISITION I CORP
408,612$4.1M0.17%
99
AIIAAI INFRASTRUCTURE ACQUISI
400,000$4.1M0.17%
100
CSLM DIGITA ASSET ACQ CORP I
400,000$4.0M0.17%
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