Westchester Capital Management, LLC
CIK: 0001512805Latest portfolio: $2.4B · Q4 2025
Holdings
278
Total Value
$2.4B
New Positions
43
Closed Positions
31
Top Holdings
View All 278 Holdings →| # | Stock | Shares | Value | % Portfolio | Change | Type |
|---|---|---|---|---|---|---|
| 1 | CYBRCYBERARK SOFTWARE LTD | 327,864 | $146.2M | 6.14% | +50K | |
| 2 | SPYSPDR S&P 500 ETF TR | 200,000 | $136.4M | 5.73% | — | Put |
| 3 | TECK/BTECK RESOURCES LTD | 2,845,112 | $136.2M | 5.72% | -673,134 | Put |
| 4 | EAELECTRONIC ARTS INC | 594,161 | $121.4M | 5.10% | +465K | |
| 5 | WBDWARNER BROS DISCOVERY INC | 3,980,001 | $114.7M | 4.82% | +2.4M | Put |
| 6 | NSCNORFOLK SOUTHN CORP | 387,596 | $111.9M | 4.70% | +257K | |
| 7 | GTLSCHART INDS INC | 496,058 | $102.3M | 4.30% | -53,274 | |
| 8 | FYBRFRONTIER COMMUNICATIONS PARE | 2,308,994 | $87.9M | 3.69% | +215K | |
| 9 | EXASEXACT SCIENCES CORP | 751,561 | $76.3M | 3.21% | NEW | |
| 10 | RNAAVIDITY BIOSCIENCES INC | 962,659 | $69.4M | 2.92% | NEW | |
| 11 | CMACOMERICA INC | 658,366 | $57.2M | 2.40% | NEW | |
| 12 | PRAPROASSURANCE CORP | 1,605,544 | $38.8M | 1.63% | -155,669 | |
| 13 | DAYDAYFORCE INC | 546,665 | $37.8M | 1.59% | NEW | |
| 14 | SEESEALED AIR CORP NEW | 853,621 | $35.4M | 1.49% | NEW | |
| 15 | YCYAA MISSION ACQUISITION CORP | 2,701,172 | $28.8M | 1.21% | — | |
| 16 | CFLTCONFLUENT INC | 857,198 | $25.9M | 1.09% | NEW | |
| 17 | LBRDALIBERTY BROADBAND CORP | 530,942 | $25.6M | 1.08% | -225,583 | |
| 18 | NGDNEW GOLD INC CDA | 2,852,255 | $24.8M | 1.04% | NEW | |
| 19 | HOLXHOLOGIC INC | 319,734 | $23.8M | 1.00% | NEW | |
| 20 | TGNATEGNA INC | 1,192,134 | $23.1M | 0.97% | — | |
| 21 | HYACHAYMAKER ACQUISITION CORP IV | 1,939,028 | $22.1M | 0.93% | — | |
| 22 | ANSCAGRICULTURE & NAT SOL ACQ CO | 1,964,677 | $21.9M | 0.92% | -500,127 | |
| 23 | ALAIR LEASE CORP | 334,421 | $21.5M | 0.90% | +181K | |
| 24 | KFIIK&F GROWTH ACQUISITION CORP | 1,885,000 | $19.5M | 0.82% | — | |
| 25 | CSXCSX CORP | 487,583 | $17.7M | 0.74% | +104K | Put |
Quarterly Changes
New Positions
Increased Positions
Sector Breakdown
Financial ServicesNaN% ($InfinityT)
Unknown0.0% ($1.3624987902572304e+91T)
Technology0.0% ($1.462462592114754e+90T)
Industrials0.0% ($111905102301214768.0T)
Communication Services0.0% ($12140411470125630.0T)
Consumer Defensive0.0% ($13061831176.4T)
Healthcare0.0% ($763276.9T)
Consumer Cyclical0.0% ($3.5T)
Basic Materials0.0% ($24.8M)
Energy0.0% ($631K)
Filing History
| Quarter | Filing Date | Portfolio Value | Holdings |
|---|---|---|---|
| Q4 2025 | Feb 13, 2026 | $2.4B | 778 |
| Q3 2025 | Nov 14, 2025 | $2.2T | 678 |
| Q2 2025 | Aug 14, 2025 | $1.9T | 511 |
| Q1 2025 | May 14, 2025 | $1.9T | 416 |
| Q4 2024 | Feb 14, 2025 | $1.8T | 393 |
| Q3 2024 | Nov 14, 2024 | $2344.0T | 458 |
| Q2 2024 | Aug 14, 2024 | $2664.0T | 558 |
| Q1 2024 | May 15, 2024 | $2723.4T | 630 |
| Q4 2023 | Feb 15, 2024 | $2857.0T | 691 |
| Q3 2023 | Nov 8, 2023 | $3427.5T | 857 |
| Q2 2023 | Aug 14, 2023 | $3181.4T | 901 |
| Q1 2023 | May 15, 2023 | $3299.5T | 952 |
| Q4 2022 | Feb 14, 2023 | $3639.9T | 1,195 |
| Q3 2022 | Nov 15, 2022 | $3.6T | 1,106 |
| Q2 2022 | Aug 15, 2022 | $3.6T | 1,106 |
| Q1 2022 | May 16, 2022 | $3.7T | 1,065 |
| Q4 2021 | Feb 14, 2022 | $3.5T | 1,041 |
| Q3 2021 | Nov 15, 2021 | $3.5T | 613 |
| Q2 2021 | Aug 13, 2021 | $4.3T | 553 |
| Q1 2021 | May 17, 2021 | $3.6T | 561 |
| Q4 2020 | Feb 12, 2021 | $3.1T | 386 |
| Q3 2020 | Nov 16, 2020 | $2.4T | 309 |
| Q2 2020 | Aug 14, 2020 | $2.3T | 257 |
| Q1 2020 | May 14, 2020 | $2.6T | 329 |
| Q4 2019 | Feb 14, 2020 | $2.8T | 257 |
| Q3 2019 | Nov 14, 2019 | $2.6T | 241 |
| Q2 2019 | Aug 14, 2019 | $3.1T | 209 |
| Q1 2019 | May 15, 2019 | $2.7T | 200 |
| Q4 2018 | Feb 14, 2019 | $2.3T | 193 |
| Q3 2018 | Nov 14, 2018 | $2.6T | 195 |
| Q2 2018 | Aug 14, 2018 | $2.5T | 197 |
| Q1 2018 | May 15, 2018 | $2.6T | 210 |
| Q4 2017 | Feb 14, 2018 | $2.6T | 176 |
| Q3 2017 | Nov 14, 2017 | $3.2T | 153 |
| Q2 2017 | Aug 14, 2017 | $3.3T | 189 |
| Q1 2017 | May 15, 2017 | $3.6T | 204 |
| Q4 2016 | Feb 14, 2017 | $4.0T | 184 |
| Q3 2016 | Nov 14, 2016 | $3.5T | 172 |
| Q2 2016 | Aug 15, 2016 | $4.4T | 205 |
| Q1 2016 | May 16, 2016 | $5.0T | 189 |
Fund Information
Westchester Capital Management, LLC is an institutional investment manager that files 13F reports with the SEC. As of the Q4 2025 filing, the fund reported a portfolio valued at $2.4B across 278 holdings. The largest position is CYBERARK SOFTWARE LTD (CYBR), representing 6.1% of the portfolio. Compared to the previous quarter, the fund opened 83 new positions and closed 53 positions. 13F filings are required quarterly disclosures that provide transparency into the holdings of institutional investment managers with at least $100 million in qualifying assets.