Senator Investment Group 13F, Q2 2026
Senator Investment Group · quarter ending 30 June 2026 · filed 12 August 2026 · SEC CIK 1443689
Common stock only: shares the fund reported owning at the quarter end, valued as filed.
Largest positions, Q2 2026
The 25 largest of 58 positions. Weights are against the whole filed book. Changes are in shares held, against the Q1 2026 filing.
| Company | Ticker | Value | % of book | vs Q1 2026 |
|---|---|---|---|---|
| DPC HOLDINGS PLC | $246.42M | 9.0% | new | |
| STATE STR SPDR S&P 500 ETF T | SPY | $183.71M | 6.7% | +8100% shares |
| INVESCO QQQ TR | QQQ | $157.22M | 5.7% | new |
| UNITED AIRLS HLDGS INC | UAL | $146.25M | 5.3% | -25% shares |
| BOEING CO | BA | $139.94M | 5.1% | +47% shares |
| VISA INC | V | $108.34M | 4.0% | +24% shares |
| TAIWAN SEMICONDUCTOR MANUFAC | TSM | $100.60M | 3.7% | -20% shares |
| AMAZON COM INC | AMZN | $100.10M | 3.6% | -31% shares |
| WOODWARD INC | WWD | $95.12M | 3.5% | unchanged |
| UNITEDHEALTH GROUP INC | UNH | $77.59M | 2.8% | +433% shares |
| AKAMAI TECHNOLOGIES INC | AKAM | $75.65M | 2.8% | new |
| CARVANA CO | CVNA | $74.89M | 2.7% | +517% shares |
| NVIDIA CORPORATION | NVDA | $67.35M | 2.5% | -59% shares |
| FLEX LTD | $67.01M | 2.5% | new | |
| DANAHER CORP DEL | DHR | $64.93M | 2.4% | -21% shares |
| PERIMETER SOLUTIONS INC | PRM | $63.99M | 2.3% | -24% shares |
| BROADCOM INC | AVGO | $61.25M | 2.2% | -14% shares |
| CONOCOPHILLIPS | COP | $55.96M | 2.0% | +146% shares |
| META PLATFORMS INC | META | $51.58M | 1.9% | -31% shares |
| AMER SPORTS INC | $50.76M | 1.9% | +15% shares | |
| THERMO FISHER SCIENTIFIC INC | TMO | $50.14M | 1.8% | new |
| SHARKNINJA INC | $47.81M | 1.7% | -43% shares | |
| APPLIED MATLS INC | AMAT | $46.99M | 1.7% | unchanged |
| CAPITAL ONE FINL CORP | COF | $46.77M | 1.7% | new |
| BROOKDALE SR LIVING INC | BKD | $46.01M | 1.7% | +16% shares |
What changed since Q1 2026
Against the Q1 2026 filing, Senator Investment Group opened 19 new positions, added to 11, trimmed 21, left 7 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
- DPC HOLDINGS PLC$246.42M
- QQQ$157.22M
- AKAM$75.65M
- FLEX LTD$67.01M
- TMO$50.14M
- COF$46.77M
- DKS$45.36M
- PRMB$39.30M
and 11 more
Exited
- MSFTwas $99.02M
- VIKING HOLDINGS LTDwas $38.43M
- APOwas $37.88M
- Cwas $37.42M
- PFEwas $35.10M
- HALwas $33.01M
- EEMwas $32.36M
- AEISwas $32.27M
and 12 more
Other quarters
Source: SEC Form 13F-HR, accession 0001443689-26-000009, 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.