SI
Senator Investment Group LP
Diversified strategyMomentum followerHigh-turnover trader
Total reported value
$2.2B
Reporting period: 2026-03-31 · Number of holdings: 65
Senator Investment Group LP disclosed 65 holdings in its latest 13F filing for the period ending 2026-03-31, with total reported value of $2.2B and a quarterly turnover rate of 81.4%.
Personality snowflake
- Concentration
- 12.83
- Portfolio Stability
- 81.37
- Momentum/Contrarian
- 100
- Sector conviction
- 51.62
- Diversification
- 100
- Sizing Uniformity
- 90.47
Recent moves
Trim UAL
-54.3% -$218.2M
Add BA
+1503.6% $81.8M
Add NVDA
+63.4% $49.7M
Add DHR
+155.8% $43.4M
Add AMZN
+41.9% $27.8M
Trim WWD
-49.8% -$55.4M
Holdings Map
New buyAddUnchangedTrim
Top 10 holdings by weight
Full holdings list this quarter
Showing top 59 holdings (of 65 total)
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | NVDA | Nvidia CORP | Stock-Tech | 6.61% | +2.84% | +63.41% | |
| 2 | UAL | United Airlines Holdings INC | Stock-Industrials | 6.04% | -7.99% | -54.30% | |
| 3 | AMZN | Amazon.com INC | Stock-Consumer Disc | 5.83% | +1.85% | +41.86% | |
| 4 | MSFT | Microsoft CORP | Stock-Tech | 4.55% | +0.91% | +42.67% | |
| 5 | TSM | Taiwan Semiconductor-sp Adr | Stock-Tech | 4.07% | +0.12% | -19.11% | |
| 6 | BA | Boeing Co/the | Stock-Industrials | 4.03% | +3.79% | +1503.64% | |
| 7 | WBD | Warner Bros Discovery INC | Stock-Comm Services | 3.84% | — | — | |
| 8 | DHR | Danaher CORP | Stock-Healthcare | 3.77% | +2.22% | +155.77% | |
| 9 | WWD | Woodward INC | Stock-Industrials | 3.72% | -1.75% | -49.83% | |
| 10 | V | Visa Inc-class A Shares | Stock-Financials | 3.54% | +3.54% | NEW | |
| 11 | META | Meta Platforms Inc-class A | Stock-Comm Services | 3.51% | +1.56% | +81.55% | |
| 12 | VRT | Vertiv Holdings Co-a | Stock-Industrials | 2.99% | +1.21% | -5.13% | |
| 13 | SN | SharkNinja, Inc. | Stock-Consumer Disc | 2.69% | +0.90% | +38.50% | |
| 14 | AVGO | Broadcom INC | Stock-Tech | 2.67% | +2.67% | NEW | |
| 15 | CVNA | Carvana Co | Stock-Consumer Disc | 2.67% | -1.73% | -28.99% | |
| 16 | PRM | Perimeter Solutions INC | Stock-Other | 2.66% | — | +0.94% | |
| 17 | AS | Amer Sports, Inc. | Stock-Consumer Disc | 1.97% | — | +40.65% | |
| 18 | TECK | Teck Resources Ltd-cls B | Stock-Materials | 1.83% | -1.36% | -53.68% | |
| 19 | VIK | Viking Holdings Ltd | Stock-Consumer Disc | 1.76% | — | +10.11% | |
| 20 | APO | Apollo Global Management INC | Stock-Financials | 1.74% | -1.38% | -36.69% | |
| 21 | C | Citigroup INC | Stock-Financials | 1.72% | +1.72% | NEW | |
| 22 | NU | Nu Holdings Ltd. | Stock-Financials | 1.62% | — | +11.36% | |
| 23 | PFE | Pfizer INC | Stock-Healthcare | 1.61% | +1.61% | NEW | |
| 24 | ULS | Ul Solutions INC - Class A | Stock-Industrials | 1.57% | +0.62% | +33.33% | |
| 25 | BKD | Brookdale Senior Living INC | Stock-Other | 1.54% | — | -27.87% | |
| 26 | HAL | Halliburton Co | Stock-Energy | 1.52% | +1.52% | NEW | |
| 27 | EEM | Ishares Msci Emerging Market | ETF-Emerging Markets | 1.49% | +1.49% | NEW | |
| 28 | AEIS | Advanced Energy Industries | Stock-Industrials | 1.48% | +1.48% | NEW | |
| 29 | LHX | L3harris Technologies INC | Stock-Industrials | 1.43% | +1.43% | NEW | |
| 30 | VST | Vistra CORP | Stock-Utilities | 1.36% | +0.65% | +78.88% | |
| 31 | COP | Conocophillips | Stock-Energy | 1.33% | +1.33% | NEW | |
| 32 | APH | Amphenol Corp-cl A | Stock-Tech | 1.16% | — | — | |
| 33 | AMAT | Applied Materials INC | Stock-Tech | 1.02% | +1.02% | NEW | |
| 34 | ATI | Ati INC | Stock-Industrials | 0.97% | -0.53% | -55.38% | |
| 35 | JHX | James Hardie Industries plc | Stock-Other | 0.96% | -0.56% | -39.39% | |
| 36 | RIOT | Riot Platforms INC | Stock-Financials | 0.85% | +0.85% | NEW | |
| 37 | RKT | Rocket Cos Inc-class A | Stock-Financials | 0.82% | +0.82% | NEW | |
| 38 | MT | Arcelormittal-ny Registered | Stock-Other | 0.81% | -0.25% | -41.16% | |
| 39 | HAS | Hasbro INC | Stock-Consumer Disc | 0.75% | +0.75% | NEW | |
| 40 | GLD | Spdr Gold Shares | ETF-Commodities | 0.59% | — | — | |
| 41 | CVS | Cvs Health CORP | Stock-Healthcare | 0.58% | +0.58% | NEW | |
| 42 | ECHO | Echostar Corp-a | Stock-Comm Services | 0.55% | +0.55% | NEW | |
| 43 | WRBY | Warby Parker Inc-class A | Stock-Other | 0.48% | — | +32.57% | |
| 44 | HOOD | Robinhood Markets INC - A | Stock-Financials | 0.45% | -1.39% | -65.19% | |
| 45 | HWM | Howmet Aerospace INC | Stock-Industrials | 0.44% | -0.36% | -57.46% | |
| 46 | UNH | Unitedhealth Group INC | Stock-Healthcare | 0.43% | -0.56% | -53.33% | |
| 47 | ALKS | Alkermes plc | Stock-Healthcare | 0.38% | — | — | |
| 48 | OPTU | Optimum Communications Inc-a | Stock-Comm Services | 0.30% | — | — | |
| 49 | ✓ | Stock-Other | 0.22% | — | — | ||
| 50 | ETHA | Ishares Ethereum Trust ETF | ETF-Other | 0.18% | — | +81.34% |
1–50 of 59
Reported value over time
Sector allocation
Sector allocation over time
Quarterly history
| Period | Holdings | Total value | Stability | Top holdings |
|---|---|---|---|---|
| 2026-03-31 | 65 | $2.2B | 81 | |
| 2025-12-31 | 60 | $2.5B | 60 | |
| 2025-09-30 | 62 | $2.7B | 84 | |
| 2025-06-30 | 55 | $2.6B | 0 | |
| 2025-03-31 | 51 | $1.9B | 100 | |
| 2024-12-31 | 69 | $3.4B | 0 | |
| 2024-09-30 | 63 | $2.1B | 0 | |
| 2024-06-30 | 71 | $2.1B | 0 | |
| 2024-03-31 | 69 | $2.2B | 0 | |
| 2023-12-31 | 70 | $2.3B | 0 | |
| 2023-09-30 | 55 | $1.8B | 0 | |
| 2023-06-30 | 54 | $2.2B | 0 | |
| 2023-03-31 | 45 | $1.8B | 0 | |
| 2022-12-31 | 42 | $1.1B | 0 | |
| 2022-09-30 | 49 | $1.1B | 0 | |
| 2022-06-30 | 55 | $1.4B | 0 | |
| 2022-03-31 | 75 | $3.2B | 0 | |
| 2021-12-31 | 94 | $5.2B | 0 | |
| 2021-09-30 | 127 | $5.8B | 0 | |
| 2021-06-30 | 135 | $5.3B | 96 | |
| 2021-03-31 | 134 | $4.9B | 83 | |
| 2020-12-31 | 91 | $5.3B | 77 | |
| 2020-09-30 | 59 | $3.4B | 57 | |
| 2020-06-30 | 48 | $2.9B | 100 | |
| 2020-03-31 | 33 | $2.8B | 93 | |
| 2019-12-31 | 39 | $3.7B | 78 | |
| 2019-09-30 | 40 | $4.0B | 81 | |
| 2019-06-30 | 50 | $5.4B | 95 | |
| 2019-03-31 | 38 | $4.4B | 91 | |
| 2018-12-31 | 30 | $3.6B | 100 | |
| 2018-09-30 | 40 | $7.8B | 61 | |
| 2018-06-30 | 40 | $10.1B | 89 | |
| 2018-03-31 | 45 | $8.4B | 85 | |
| 2017-12-31 | 53 | $9.3B | 97 | |
| 2017-09-30 | 46 | $7.5B | 73 | |
| 2017-06-30 | 55 | $8.9B | 68 | |
| 2017-03-31 | 56 | $8.1B | 98 | |
| 2016-12-31 | 41 | $6.6B | 79 | |
| 2016-09-30 | 60 | $7.6B | 63 | |
| 2016-06-30 | 51 | $6.2B | 87 | |
| 2016-03-31 | 46 | $7.6B | 70 | |
| 2015-12-31 | 44 | $8.0B | 57 | |
| 2015-09-30 | 50 | $8.2B | 66 | |
| 2015-06-30 | 58 | $11.5B | 89 | |
| 2015-03-31 | 61 | $10.4B | 100 | |
| 2014-12-31 | 57 | $9.1B | 0 | |
| 2014-09-30 | 61 | $9.6B | 52 | |
| 2014-06-30 | 62 | $9.5B | 54 | |
| 2014-03-31 | 58 | $8.4B | 78 | |
| 2013-12-31 | 68 | $8.7B | 58 | |
| 2013-09-30 | 54 | $6.9B | 81 | |
| 2013-06-30 | 62 | $6.4B | 0 |
Holding changes this quarter
Senator Investment Group LP's most significant position changes for 2026-03-31: Sold out: Capital One Financial CORP (COF); Sold out: Ss&c Technologies Holdings (SSNC); New buy: Visa Inc-class A Shares (V); Sold out: Union Pacific CORP (UNP); New buy: Broadcom INC (AVGO).
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | BA | Boeing Co/the | +3.8% | +1503.64% | Add |
| 2 | NVDA | Nvidia CORP | +2.8% | +63.41% | Add |
| 3 | DHR | Danaher CORP | +2.2% | +155.77% | Add |
| 4 | AMZN | Amazon.com INC | +1.9% | +41.86% | Add |
| 5 | META | Meta Platforms Inc-class A | +1.6% | +81.55% | Add |
| 6 | VRT | Vertiv Holdings Co-a | +1.2% | -5.13% | Trim |
| 7 | MSFT | Microsoft CORP | +0.9% | +42.67% | Add |
| 8 | SN | SharkNinja, Inc. | +0.9% | +38.50% | Add |
| 9 | VST | Vistra CORP | +0.7% | +78.88% | Add |
| 10 | ULS | Ul Solutions INC - Class A | +0.6% | +33.33% | Add |
| 11 | TSM | Taiwan Semiconductor-sp Adr | +0.1% | -19.11% | Trim |
| 12 | MT | Arcelormittal-ny Registered | -0.3% | -41.16% | Trim |
| 13 | HWM | Howmet Aerospace INC | -0.4% | -57.46% | Trim |
| 14 | ATI | Ati INC | -0.5% | -55.38% | Trim |
| 15 | JHX | James Hardie Industries plc | -0.6% | -39.39% | Trim |
| 16 | UNH | Unitedhealth Group INC | -0.6% | -53.33% | Trim |
| 17 | ATRO | Astronics CORP | -0.9% | -95.31% | Trim |
| 18 | TECK | Teck Resources Ltd-cls B | -1.4% | -53.68% | Trim |
| 19 | APO | Apollo Global Management INC | -1.4% | -36.69% | Trim |
| 20 | HOOD | Robinhood Markets INC - A | -1.4% | -65.19% | Trim |
| 21 | CVNA | Carvana Co | -1.7% | -28.99% | Trim |
| 22 | WWD | Woodward INC | -1.8% | -49.83% | Trim |
| 23 | UAL | United Airlines Holdings INC | -8% | -54.30% | Trim |
| 24 | COF | Capital One Financial CORP | — | EXIT | Sold out |
| 25 | SSNC | Ss&c Technologies Holdings | — | EXIT | Sold out |
| 26 | V | Visa Inc-class A Shares | — | NEW | New buy |
| 27 | UNP | Union Pacific CORP | — | EXIT | Sold out |
| 28 | AVGO | Broadcom INC | — | NEW | New buy |
| 29 | GE | General Electric | — | EXIT | Sold out |
| 30 | PFSI | Pennymac Financial Services | — | EXIT | Sold out |
| 31 | BILL | Bill Holdings INC | — | EXIT | Sold out |
| 32 | C | Citigroup INC | — | NEW | New buy |
| 33 | LPLA | Lpl Financial Holdings INC | — | EXIT | Sold out |
| 34 | LTH | Life Time Group Holdings INC | — | EXIT | Sold out |
| 35 | PFE | Pfizer INC | — | NEW | New buy |
| 36 | CMCSA | Comcast Corp-class A | — | EXIT | Sold out |
| 37 | HAL | Halliburton Co | — | NEW | New buy |
| 38 | EEM | Ishares Msci Emerging Market | — | NEW | New buy |
| 39 | AEIS | Advanced Energy Industries | — | NEW | New buy |
| 40 | LHX | L3harris Technologies INC | — | NEW | New buy |
| 41 | COP | Conocophillips | — | NEW | New buy |
| 42 | AMAT | Applied Materials INC | — | NEW | New buy |
| 43 | RIOT | Riot Platforms INC | — | NEW | New buy |
| 44 | RKT | Rocket Cos Inc-class A | — | NEW | New buy |
| 45 | HAS | Hasbro INC | — | NEW | New buy |
| 46 | MEOH | Methanex CORP | — | EXIT | Sold out |
| 47 | CVS | Cvs Health CORP | — | NEW | New buy |
| 48 | ECHO | Echostar Corp-a | — | NEW | New buy |
| 49 | ATRO 5.5 03-15-30 | Astronics CORP | — | EXIT | Sold out |
| 50 | XLI | Ss Industrial Select Sector | — | EXIT | Sold out |
FAQ
What is Senator Investment Group LP and what type of investor is it?
Senator Investment Group LP is a investment manager that files SEC Form 13F quarterly, disclosing its U.S. public equity holdings to regulators. As of the most recent reporting period (2026-03-31), the firm manages a tracked equity portfolio valued at approximately $2.2B, spread across 65 disclosed positions.
What are Senator Investment Group LP's largest equity positions?
Based on the latest 13F filing, Senator Investment Group LP's top holdings by market value are:
1. Nvidia CORP (NVDA) — $143.9M (6.6%)
2. United Airlines Holdings INC (UAL) — $131.6M (6.0%)
3. Amazon.com INC (AMZN) — $127.1M (5.8%)
4. Microsoft CORP (MSFT) — $99.0M (4.5%)
5. Taiwan Semiconductor-sp Adr (TSM) — $88.7M (4.1%)
What changes did Senator Investment Group LP make in its most recent portfolio filing?
In the latest reported quarter, Senator Investment Group LP made 50 notable position adjustments: 15 new positions were initiated, 9 existing holdings were added to, 14 positions were partially reduced, and 12 were completely exited. The largest of these moves: Sold out: Capital One Financial CORP (COF); Sold out: Ss&c Technologies Holdings (SSNC); New buy: Visa Inc-class A Shares (V); Sold out: Union Pacific CORP (UNP); New buy: Broadcom INC (AVGO)
What sectors does Senator Investment Group LP focus on?
Senator Investment Group LP is concentrated in the following sectors based on its current disclosed equity portfolio:
• Industrials: 25.0%
• Information Technology: 22.1%
• Consumer Discretionary: 17.4%
• Financials: 12.0%
• Communication Services: 9.2%
• Health Care: 7.5%