Senator Investment Group LP

Fundamental diversified ★Signal CIK 1443689
League rank
#257
in Fundamental diversified · #1116 overall
Long book
$2.18B
Q1 2026
Positions
59
Top-10 weight
46%
concentration
Last quarter
+16.6%
SPY +14.8%
Turnover
45%
of book per quarter

Strategy in plain words

auto-generated from filings

Senator Investment Group LP is a diversified fundamental manager, running a $2.18B US long book across 59 positions.

The portfolio is moderately concentrated (top 10 ≈ 46% of the book). The portfolio is actively managed, with meaningful quarterly turnover. Current anchor positions: NVIDIA CORP, UNITED AIRLINES HOLDINGS INC, AMAZON.COM INC, MICROSOFT CORP, TAIWAN SEMICONDUCTOR-SP ADR.

Over the last 9 quarters its long book ran on average 1.5pp per quarter ahead of the S&P 500, beating the index in 5 of 9 quarters. We rate its filings as signal-bearing: position changes reflect genuine views.

Implied long-book return vs S&P 500

methodology: positions priced quarterly, no shorts/options
Fund long book S&P 500
Q1 2024
+1.9%
Q2 2024
+8.9%
Q3 2024
+5.2%
Q4 2024
-5.1%
Q1 2025
+22.7%
Q2 2025
+9.4%
Q3 2025
+1.3%
Q4 2025
-7.1%
Q1 2026
+16.6%

Sector allocation

Technology
31%
Industrials
23%
Consumer discretionary
9%
Financials
8%
Services media
6%
Communications
5%
Healthcare
5%
Materials
5%

Long book by quarter

$2.20B
Q1 2024
$2.05B
Q2 2024
$2.11B
Q3 2024
$3.41B
Q4 2024
$1.88B
Q1 2025
$2.59B
Q2 2025
$2.71B
Q3 2025
$2.49B
Q4 2025
$2.18B
Q1 2026

What does Senator Investment own?

Q1 2026 13F
CompanySectorSharesValue% of bookChange
NVDA NVIDIA CORPTechnology824.7K$143.9M6.6%+63.4%
UAL UNITED AIRLINES HOLDINGS INCIndustrials1.4M$131.6M6.0%-54.3%
AMZN AMAZON.COM INCConsumer discretionary610.0K$127.1M5.8%+41.9%
MSFT MICROSOFT CORPTechnology267.5K$99.0M4.5%+42.7%
BA BOEING CO/THEIndustrials441.0K$87.8M4.0%+1503.6%
WBD WARNER BROS DISCOVERY INCCommunications3.0M$83.7M3.8%Held
DHR DANAHER CORPTechnology433.3K$82.2M3.8%+155.8%
WWD WOODWARD INCIndustrials226.5K$81.1M3.7%-49.8%
V VISA INC-CLASS A SHARESServices media255.0K$77.1M3.5%New
META META PLATFORMS INC-CLASS ATechnology133.6K$76.4M3.5%+81.6%
VRT VERTIV HOLDINGS CO-ATechnology260.0K$65.2M3.0%-5.1%
SN SHARKNINJA INCIndustrials554.0K$58.7M2.7%+38.5%
AVGO BROADCOM INCTechnology187.6K$58.1M2.7%New
CVNA CARVANA COConsumer discretionary184.6K$58.1M2.7%-29.0%
PRM PERIMETER SOLUTIONS INCMaterials2.4M$57.9M2.7%+0.9%
AS AMER SPORTS INCOther1.3M$42.8M2.0%+40.6%
TECK TECK RESOURCES LTD-CLS BMaterials768.7K$39.8M1.8%-53.7%
VIK VIKING HOLDINGS LTDIndustrials523.0K$38.4M1.8%+10.1%
APO APOLLO GLOBAL MANAGEMENT INCFinancials340.0K$37.9M1.7%-36.7%
C CITIGROUP INCFinancials330.0K$37.4M1.7%New
NU NU HOLDINGS LTD/CAYMAN ISL-AFinancials2.5M$35.2M1.6%+11.4%
PFE PFIZER INCHealthcare1.3M$35.1M1.6%New
ULS UL SOLUTIONS INC - CLASS AServices media400.0K$34.3M1.6%+33.3%
BKD BROOKDALE SENIOR LIVING INCHealthcare2.5M$33.6M1.5%-27.9%
HAL HALLIBURTON COEnergy846.7K$33.0M1.5%New
AEIS ADVANCED ENERGY INDUSTRIESTechnology100.0K$32.3M1.5%New
LHX L3HARRIS TECHNOLOGIES INCTechnology90.0K$31.1M1.4%New
VST VISTRA CORPUtilities196.8K$29.6M1.4%+78.9%
COP CONOCOPHILLIPSEnergy219.0K$28.9M1.3%New
APH AMPHENOL CORP-CL ATechnology200.0K$25.3M1.2%Held
AMAT APPLIED MATERIALS INCTechnology65.0K$22.2M1.0%New
ATI ATI INCIndustrials145.0K$21.1M1.0%-55.4%
JHX JAMES HARDIE IND PLCIndustrials1.1M$21.0M1.0%-39.4%
RIOT RIOT PLATFORMS INCFinancials1.5M$18.5M0.9%New
RKT ROCKET COS INC-CLASS AFinancials1.3M$17.8M0.8%New
MT ARCELORMITTAL-NY REGISTEREDIndustrials341.3K$17.7M0.8%-41.2%
HAS HASBRO INCOther175.0K$16.4M0.8%New
CVS CVS HEALTH CORPHealthcare175.0K$12.6M0.6%New
ECHO ECHOSTAR CORP-ACommunications102.5K$12.0M0.6%New
WRBY WARBY PARKER INC-CLASS AHealthcare500.0K$10.5M0.5%+32.6%
HOOD ROBINHOOD MARKETS INC - AFinancials140.9K$9.8M0.4%-65.2%
HWM HOWMET AEROSPACE INCIndustrials41.6K$9.6M0.4%-57.5%
UNH UNITEDHEALTH GROUP INCFinancials35.0K$9.5M0.4%-53.3%
ALKS ALKERMES PLCHealthcare235.0K$8.3M0.4%New
OPTU OPTIMUM COMMUNICATIONS INC-ACommunications5.0M$6.5M0.3%Held
GGR GOGORO INCIndustrials1.4M$4.7M0.2%Held
KNTK KINETIK HOLDINGS INCUtilities75.5K$3.7M0.2%New
GOOG ALPHABET INC-CL CTechnology12.5K$3.6M0.2%+16.3%
GLXY GALAXY DIGITAL INC-AFinancials143.6K$2.7M0.1%Held
WULF TERAWULF INCFinancials139.1K$2.0M0.1%+63.6%

13F filing history

PeriodFormFiledEntriesReported valueFlagsSource
Q1 202613F-HRMay 13, 202665$2.18Bconfidential canonicalSEC ↗
Q4 202513F-HRFeb 13, 202660$2.49Bconfidential canonicalSEC ↗
Q3 202513F-HRNov 14, 202562$2.71Bconfidential canonicalSEC ↗
Q2 202513F-HRAug 13, 202555$2.59Bconfidential canonicalSEC ↗
Q1 202513F-HRMay 14, 202551$1.88Bconfidential canonicalSEC ↗
Q4 202413F-HRFeb 13, 202569$3.41Bconfidential canonicalSEC ↗
Q3 202413F-HRNov 13, 202463$2.11Bconfidential canonicalSEC ↗
Q2 202413F-HRAug 20, 202471$2.05Bconfidential canonicalSEC ↗
Q1 202413F-HRMay 14, 202469$2.20Bconfidential canonicalSEC ↗