Senator Investment Group 13F, Q4 2025
Senator Investment Group · quarter ending 31 December 2025 · filed 13 February 2026 · SEC CIK 1443689
Common stock only: shares the fund reported owning at the quarter end, valued as filed.
Largest positions, Q4 2025
The 25 largest of 59 positions. Weights are against the whole filed book. Changes are in shares held, against the Q3 2025 filing.
| Company | Ticker | Value | % of book | vs Q3 2025 |
|---|---|---|---|---|
| UNITED AIRLS HLDGS INC | UAL | $349.84M | 14.0% | unchanged |
| WOODWARD INC | WWD | $136.51M | 5.5% | -5% shares |
| CAPITAL ONE FINL CORP | COF | $114.35M | 4.6% | +14% shares |
| CARVANA CO | CVNA | $109.70M | 4.4% | -11% shares |
| AMAZON COM INC | AMZN | $99.25M | 4.0% | -10% shares |
| TAIWAN SEMICONDUCTOR MFG LTD | TSM | $98.61M | 4.0% | +75% shares |
| NVIDIA CORPORATION | NVDA | $94.12M | 3.8% | +34% shares |
| MICROSOFT CORP | MSFT | $90.68M | 3.6% | -6% shares |
| SS&C TECHNOLOGIES HLDGS INC | SSNC | $90.50M | 3.6% | +6% shares |
| WARNER BROS DISCOVERY INC | WBD | $87.88M | 3.5% | -21% shares |
| TECK RESOURCES LTD | TECK | $79.47M | 3.2% | -17% shares |
| APOLLO GLOBAL MGMT INC | APO | $77.75M | 3.1% | +59% shares |
| PERIMETER SOLUTIONS INC | PRM | $64.64M | 2.6% | +12% shares |
| UNION PAC CORP | UNP | $63.57M | 2.5% | -14% shares |
| META PLATFORMS INC | META | $48.57M | 1.9% | -13% shares |
| GE AEROSPACE | GE | $46.20M | 1.9% | -10% shares |
| ROBINHOOD MKTS INC | HOOD | $45.79M | 1.8% | unchanged |
| SHARKNINJA INC | $44.76M | 1.8% | -19% shares | |
| VERTIV HOLDINGS CO | VRT | $44.40M | 1.8% | -18% shares |
| DANAHER CORPORATION | DHR | $38.78M | 1.6% | new |
| JAMES HARDIE INDS PLC | $37.89M | 1.5% | +100% shares | |
| PENNYMAC FINL SVCS INC NEW | PFSI | $37.85M | 1.5% | +12% shares |
| BILL HOLDINGS INC | BILL | $37.82M | 1.5% | new |
| ATI INC | ATI | $37.30M | 1.5% | unchanged |
| NU HLDGS LTD | $36.83M | 1.5% | +12% shares |
What changed since Q3 2025
Against the Q3 2025 filing, Senator Investment Group opened 19 new positions, added to 12, trimmed 20, left 8 unchanged and exited 20. Every position is compared, matched on its CUSIP; a change of 2% or less in shares counts as unchanged.
New positions
- DHR$38.78M
- BILL$37.82M
- BKD$36.79M
- LPLA$35.72M
- CMCSA$34.97M
- AMER SPORTS INC$34.55M
- VIKING HOLDINGS LTD$33.92M
- APH$27.03M
and 11 more
Exited
- IBITwas $116.87M
- CRWVwas $102.64M
- NTNXwas $57.55M
- JPMwas $55.20M
- PFGCwas $45.92M
- IWMwas $44.04M
- FLUTTER ENTMT PLCwas $41.81M
- APDwas $34.09M
and 12 more
Other quarters
Source: SEC Form 13F-HR, accession 0001443689-26-000003, filed by Senator Investment Group LP. Values are as filed and cover US-listed positions only; a 13F does not show short positions or holdings outside the US. A 13F may be filed up to 45 days after the quarter ends, so the fund may have traded since. Educational information, not financial advice.