Manager activity
Senator Investment Group LP
This quarter’s activity: 2026 Q1 vs 2025 Q4 · filed 5/13/2026 · Full comparison · All filings
New · 18
Add · 16
Reduce · 21
Exit · 18
| Action | Issuer | Δ Shares | Δ Shares % | Δ Port % | Filed |
|---|---|---|---|---|---|
| Reduce | UNITED AIRLS HLDGS INC | -1,699,000 | -54.3% | -7.98 pp | 5/13/2026 |
| Exit | CAPITAL ONE FINL CORP | -471,805 | Exit | -4.58 pp | 5/13/2026 |
| Exit | SS&C TECHNOLOGIES HLDGS INC | -1,035,193 | Exit | -3.63 pp | 5/13/2026 |
| Exit | UNION PAC CORP | -274,833 | Exit | -2.55 pp | 5/13/2026 |
| New | VISA INC | +210,000 | New | +2.91 pp | 5/13/2026 |
| Reduce | AMAZON COM INC | -255,000 | -59.3% | -2.31 pp | 5/13/2026 |
| Add | BOEING CO | +313,500 | +1140.0% | +2.88 pp | 5/13/2026 |
| New | BROADCOM INC | +187,643 | New | +2.67 pp | 5/13/2026 |
| Reduce | WOODWARD INC | -225,000 | -49.8% | -1.75 pp | 5/13/2026 |
| Reduce | CARVANA CO | -75,358 | -29.0% | -1.73 pp | 5/13/2026 |
| Reduce | MICROSOFT CORP | -67,500 | -36.0% | -1.60 pp | 5/13/2026 |
| Exit | GE AEROSPACE | -150,000 | Exit | -1.85 pp | 5/13/2026 |
| Add | DANAHER CORP DEL | +263,900 | +155.8% | +2.22 pp | 5/13/2026 |
| Reduce | APOLLO GLOBAL MGMT INC | -197,070 | -36.7% | -1.38 pp | 5/13/2026 |
| Reduce | TECK RESOURCES LTD | -890,769 | -53.7% | -1.36 pp | 5/13/2026 |
| Exit | PENNYMAC FINL SVCS INC NEW | -287,093 | Exit | -1.52 pp | 5/13/2026 |
| Exit | BILL HOLDINGS INC | -693,379 | Exit | -1.52 pp | 5/13/2026 |
| New | CITIGROUP INC | +330,000 | New | +1.72 pp | 5/13/2026 |
| Reduce | MICROSOFT CORP | -40,000 | -21.3% | -1.13 pp | 5/13/2026 |
| Reduce | ROBINHOOD MKTS INC | -263,882 | -65.2% | -1.39 pp | 5/13/2026 |
| Exit | LPL FINL HLDGS INC | -100,000 | Exit | -1.43 pp | 5/13/2026 |
| Exit | LIFE TIME GROUP HOLDINGS INC | -1,325,000 | Exit | -1.41 pp | 5/13/2026 |
| New | PFIZER INC | +1,250,000 | New | +1.61 pp | 5/13/2026 |
| Exit | COMCAST CORP NEW | -1,170,000 | Exit | -1.40 pp | 5/13/2026 |
| New | HALLIBURTON CO | +846,693 | New | +1.52 pp | 5/13/2026 |
| New | ISHARES TR | +570,000 | New | +1.49 pp | 5/13/2026 |
| New | ADVANCED ENERGY INDS | +100,000 | New | +1.48 pp | 5/13/2026 |
| New | L3HARRIS TECHNOLOGIES INC | +90,000 | New | +1.43 pp | 5/13/2026 |
| New | CONOCOPHILLIPS | +218,962 | New | +1.33 pp | 5/13/2026 |
| Reduce | NVIDIA CORPORATION | -114,679 | -22.7% | -0.65 pp | 5/13/2026 |
| Reduce | ASTRONICS CORP | -437,474 | -95.3% | -0.93 pp | 5/13/2026 |
| New | APPLIED MATLS INC | +65,000 | New | +1.02 pp | 5/13/2026 |
| Reduce | VERTIV HOLDINGS CO | -14,055 | -5.1% | +1.21 pp | 5/13/2026 |
| Reduce | META PLATFORMS INC | -23,574 | -32.0% | -0.63 pp | 5/13/2026 |
| New | RIOT PLATFORMS INC | +1,500,000 | New | +0.85 pp | 5/13/2026 |
| Reduce | NVIDIA CORPORATION | -70,000 | -13.9% | -0.29 pp | 5/13/2026 |
| New | ROCKET COS INC | +1,250,000 | New | +0.82 pp | 5/13/2026 |
| Reduce | JAMES HARDIE INDS PLC | -719,200 | -39.4% | -0.56 pp | 5/13/2026 |
| New | HASBRO INC | +175,000 | New | +0.75 pp | 5/13/2026 |
| Reduce | ATI INC | -180,000 | -55.4% | -0.53 pp | 5/13/2026 |
| Reduce | UNITEDHEALTH GROUP INC | -40,000 | -53.3% | -0.56 pp | 5/13/2026 |
| Add | BOEING CO | +72,500 | +263.6% | +0.67 pp | 5/13/2026 |
| Add | SHARKNINJA INC | +154,011 | +38.5% | +0.90 pp | 5/13/2026 |
| New | VISA INC | +45,000 | New | +0.62 pp | 5/13/2026 |
| New | CVS HEALTH CORP | +175,000 | New | +0.58 pp | 5/13/2026 |
| New | ECHOSTAR CORP | +102,500 | New | +0.55 pp | 5/13/2026 |
| Add | VISTRA CORP | +86,763 | +78.9% | +0.65 pp | 5/13/2026 |
| Exit | METHANEX CORP | -275,000 | Exit | -0.44 pp | 5/13/2026 |
| Add | UL SOLUTIONS INC | +100,000 | +33.3% | +0.63 pp | 5/13/2026 |
| Reduce | HOWMET AEROSPACE INC | -56,169 | -57.5% | -0.36 pp | 5/13/2026 |
| Exit | ASTRONICS CORP | -4,000,000 | Exit | -0.41 pp | 5/13/2026 |
| Reduce | TAIWAN SEMICONDUCTOR MANUFAC | -62,000 | -19.1% | +0.12 pp | 5/13/2026 |
| Exit | SELECT SECTOR SPDR TR | -61,274 | Exit | -0.38 pp | 5/13/2026 |
| Reduce | ARCELORMITTAL SA LUXEMBOURG | -238,742 | -41.2% | -0.25 pp | 5/13/2026 |
| Add | AMAZON COM INC | +5,000 | +1.2% | +0.18 pp | 5/13/2026 |
| New | ALKERMES PLC | +235,000 | New | +0.38 pp | 5/13/2026 |
| Add | AMER SPORTS INC | +376,000 | +40.6% | +0.58 pp | 5/13/2026 |
| Add | PERIMETER SOLUTIONS INC | +22,000 | +0.9% | +0.07 pp | 5/13/2026 |
| Exit | TERRESTRIAL ENERGY INC | -900,000 | Exit | -0.22 pp | 5/13/2026 |
| Add | VIKING HOLDINGS LTD | +48,000 | +10.1% | +0.40 pp | 5/13/2026 |
| Exit | METHANEX CORP | -100,000 | Exit | -0.16 pp | 5/13/2026 |
| New | KINETIK HOLDINGS INC | +75,500 | New | +0.17 pp | 5/13/2026 |
| Exit | KRANESHARES TRUST | -103,000 | Exit | -0.14 pp | 5/13/2026 |
| Reduce | BROOKDALE SR LIVING INC | -950,000 | -27.9% | +0.07 pp | 5/13/2026 |
| Exit | FIDELITY WISE ORIGIN BITCOIN | -33,000 | Exit | -0.10 pp | 5/13/2026 |
| Add | WARBY PARKER INC | +122,852 | +32.6% | +0.15 pp | 5/13/2026 |
| Exit | PALANTIR TECHNOLOGIES INC | -12,000 | Exit | -0.09 pp | 5/13/2026 |
| Exit | COINBASE GLOBAL INC | -7,350 | Exit | -0.07 pp | 5/13/2026 |
| Add | NU HLDGS LTD | +250,000 | +11.4% | +0.14 pp | 5/13/2026 |
| Add | TERAWULF INC | +54,071 | +63.6% | +0.05 pp | 5/13/2026 |
| Add | ISHARES ETHEREUM TR | +109,000 | +81.3% | +0.06 pp | 5/13/2026 |
| Add | META PLATFORMS INC | +10,000 | +13.6% | +0.25 pp | 5/13/2026 |
| Add | ALPHABET INC | +1,750 | +16.3% | +0.03 pp | 5/13/2026 |