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Senator Investment Group LP

CIK 1443689 · latest 13F filed 12 August 2026 · Read the filing on EDGAR

Senator Investment Group LP reported 58 US-listed holdings worth $2.74 billion in its 13F for the quarter ended 30 June 2026, filed 12 August 2026. Its largest: DPC Holdings PLC (9.0%), SPDR S&P 500 (6.7%) and Invesco QQQ Trust (5.7%). Against the quarter before, it opened 19 positions, added to 11, trimmed 22 and sold out of 20.

The fund asked the SEC to keep some positions private for now; they are not in this filing and appear in an amendment once released.

Reported holdings$2.74B+25.8% on Q1 2026
Positions58-1 on Q1 2026
The largest ten49.5%of its reported holdings
Latest 13FQ2 2026filed 12 August 2026
Where the money is
OpenedAdded toTrimmed
DPC9.0%SPY6.7%QQQ5.7%UAL5.3%BA5.1%V4.0%TSM3.7%AMZN3.7%WWD3.5%UNH2.8%AKAM2.8%CVNA2.7%NVDA2.5%FLEX2.4%44 more40.1%

The 14 largest of its 58 positions, each sized by its share of the reported holdings, coloured by the change in shares against Q1 2026.

Reported holdings, quarter by quarter
Q3 2024: $2.11 billion in 62 positions$2.11BQ3 24Q4 2024: $3.41 billion in 68 positions$3.41BQ4 24Q1 2025: $1.88 billion in 51 positions$1.88BQ1 25Q2 2025: $2.59 billion in 54 positions$2.59BQ2 25Q3 2025: $2.71 billion in 60 positions$2.71BQ3 25Q4 2025: $2.49 billion in 59 positions$2.49BQ4 25Q1 2026: $2.18 billion in 59 positions$2.18BQ1 26Q2 2026: $2.74 billion in 58 positions$2.74BQ2 26

What the fund reported holding at each quarter's end; hover a bar for the number of positions

What it did on the quarter

Opened 19Added 11Held 6Trimmed 22Sold out 20
Opened: 19Added: 11Held: 6Trimmed: 22Sold out: 20

Its positions against its 13F for the quarter to 31 March 2026; a change under 0.1% of a position counts as held

Opened 19

  1. DPC Holdings PLC DPC$246.4 million
  2. Invesco QQQ Trust QQQ$157.2 million
  3. Akamai Technologies Inc. AKAM$75.7 million
  4. Flex Ltd. FLEX$67.0 million
  5. Thermo Fisher Scientific Inc. TMO$50.1 million
  6. Capital One Financial Corp. COF$46.8 million
  7. Dick'S Sporting Goods, Inc. DKS$45.4 million
  8. Primo Brands Corporation PRMB$39.3 million

and 11 more in the table below

Added to 11

  1. SPDR S&P 500 SPY+243,000 shares · +8100%
  2. UnitedHealth Group Inc. UNH+151,677 shares · +433%
  3. Carvana Co. CVNA+953,296 shares · +516%
  4. Boeing Co. BA+205,458 shares · +47%
  5. ConocoPhillips COP+319,328 shares · +146%
  6. Visa Inc. V+60,788 shares · +24%
  7. Nu Holdings Ltd. NU+775,000 shares · +32%
  8. Amer Sports Inc. AS+199,000 shares · +15%

and 3 more in the table below

Trimmed 22

  1. NVIDIA Corp. NVDA-488,100 shares · -59%
  2. Warner Bros. Discovery, Inc. WBD-3.0 million shares · -99%
  3. Vertiv Holdings Co. VRT-191,254 shares · -74%
  4. United Airlines Holdings, Inc. UAL-354,190 shares · -25%
  5. Amazon.com Inc. AMZN-190,000 shares · -31%
  6. Riot Platforms Inc. RIOT-1.5 million shares · -97%
  7. SharkNinja, Inc. SN-240,000 shares · -43%
  8. Vistra Corp. VST-180,000 shares · -91%

and 14 more in the table below

Sold out of 20

  1. Microsoft Corp. MSFT$99.0 million last quarter
  2. Viking Holdings Ltd VIK$38.4 million last quarter
  3. Apollo Global Management, Inc. APO$37.9 million last quarter
  4. Citigroup Inc. C$37.4 million last quarter
  5. Pfizer Inc. PFE$35.1 million last quarter
  6. Halliburton Co. HAL$33.0 million last quarter
  7. iShares Trust EEM$32.4 million last quarter
  8. Advanced Energy Industries Inc. AEIS$32.3 million last quarter

What it holds

CompanySharesValueOf its bookChange in shares
DPC Holdings PLC DPC5,022,738$246.4 million8.99%new
SPDR S&P 500 SPY246,000$183.7 million6.70%+243,000
Invesco QQQ Trust QQQ213,500$157.2 million5.74%new
United Airlines Holdings, Inc. UAL1,075,439$146.2 million5.34%-354,190
Boeing Co. BA646,458$139.9 million5.11%+205,458
Visa Inc. V315,788$108.3 million3.95%+60,788
Taiwan Semiconductor Manufacturing Company Limited TSM210,658$100.6 million3.67%-51,842
Amazon.com Inc. AMZN420,000$100.1 million3.65%-190,000
Woodward, Inc. WWD223,591$95.1 million3.47%-2,947
UnitedHealth Group Inc. UNH186,677$77.6 million2.83%+151,677
Akamai Technologies Inc. AKAM640,000$75.7 million2.76%new
Carvana Co. CVNA1,137,870$74.9 million2.73%+953,296
NVIDIA Corp. NVDA336,579$67.3 million2.46%-488,100
Flex Ltd. FLEX413,438$67.0 million2.45%new
Danaher Corp. DHR340,881$64.9 million2.37%-92,435
Perimeter Solutions Inc PRM1,795,000$64.0 million2.34%-575,000
Broadcom Inc. AVGO162,136$61.2 million2.24%-25,507
ConocoPhillips COP538,290$56.0 million2.04%+319,328
Meta Platforms, Inc. META91,574$51.6 million1.88%-42,000
Amer Sports Inc. AS1,500,000$50.8 million1.85%+199,000
Thermo Fisher Scientific Inc. TMO100,000$50.1 million1.83%new
SharkNinja, Inc. SN314,011$47.8 million1.74%-240,000
Applied Materials Inc. AMAT65,000$47.0 million1.72%no change
Capital One Financial Corp. COF233,129$46.8 million1.71%new
Brookdale SR Living Inc. BKD2,859,263$46.0 million1.68%+400,000
Dick'S Sporting Goods, Inc. DKS200,000$45.4 million1.66%new
Nu Holdings Ltd. NU3,225,000$43.1 million1.57%+775,000
Teck Resources Ltd TECK705,673$42.0 million1.53%-63,000
Primo Brands Corporation PRMB1,607,935$39.3 million1.43%new
Element Solutions Inc. ESI725,000$34.6 million1.26%new
Constellium SE CSTM1,083,489$34.5 million1.26%new
MKS Inc. MKSI65,000$28.9 million1.06%new
Target Hospitality Corp. TH1,399,345$28.5 million1.04%new
Cleveland-Cliffs Inc. CLF2,741,569$25.7 million0.94%new
UL Solutions Inc. ULS250,000$25.5 million0.93%-150,000
Vertiv Holdings Co. VRT68,746$23.0 million0.84%-191,254
Viasat Inc. VSAT180,000$16.2 million0.59%new
ATI Inc. ATI80,000$15.8 million0.58%-65,000
Alkermes plc. ALKS275,000$14.4 million0.53%+40,000
Boston Scientific Corp. BSX300,000$12.8 million0.47%new
Altice USA Inc. OPTU8,000,000$11.6 million0.42%+3,000,000
Scholar Rock Holding Corporation SRRK205,000$11.3 million0.41%new
SPDR Gold Trust GLD30,000$11.1 million0.40%no change
Natera Inc Com NTRA32,500$8.8 million0.32%new
Abivax SA ABVX55,000$7.3 million0.27%new
Gogoro Inc GGR1,350,000$5.4 million0.20%no change
Azul Sa-Spon ADR AZUL505,584$4.5 million0.17%new
Kinetik Holdings Inc. KNTK75,500$3.6 million0.13%no change
Alphabet Inc. GOOG10,000$3.5 million0.13%-2,500
Terawulf Inc. WULF139,071$3.4 million0.13%no change
Vistra Corp. VST16,763$2.7 million0.10%-180,000
Galaxy Digital Inc. Class A GLXY96,491$2.6 million0.10%-47,148
Arcelormittal SA Luxembourg MT41,258$2.5 million0.09%-300,000
Barclays plc BCS67,232$1.8 million0.07%no change
Warby Parker Inc. WRBY50,000$1.5 million0.06%-450,000
Riot Platforms Inc. RIOT48,501$1.3 million0.05%-1,451,499
Astronics Corp. ATRO6,702$544,6050.02%-14,829
Warner Bros. Discovery, Inc. WBD20,061$534,8260.02%-3,029,183
Every US-listed position in the fund's 13F for the quarter ended 30 June 2026, by the value it reported.
Read moreChange is shares against its 13F for the quarter before; the 20 it sold out of are in the box above.