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Super Investors Senator Investment Group LP
SI

Senator Investment Group LP

Quarterly 13F snapshot: US-listed longs only, no performance figures — 13F data cannot support them.

Portfolio value
$2.74B
Positions
58
Quarter ended
June 30, 2026
Filed
August 12, 2026

Reported portfolio value by quarter (53 quarters reported)

$11.5B $1.1B
Q2 13 Q1 16 Q4 18 Q3 21 Q2 24 Q2 26

$6.43B in Q2 2013 → $2.74B now. Hover for any quarter.

Holdings

As reported for the quarter ended June 30, 2026. Activity is the change in share count since the prior quarter's filing.

Holding % of portfolio Activity Shares Value
DH Dpc Holdings PLC 9.0% New 5,022,738 $246M
SS State Str SPDR S&P 500 ETF T 6.7% Added 8100% 246,000 $184M
IQ Invesco Qqq Tr 5.7% New 213,500 $157M
UA United Airls Hldgs Inc 5.3% Trimmed 25% 1,075,439 $146M
Boeing Co 5.1% Added 47% 646,458 $140M
Visa Inc 4.0% Added 24% 315,788 $108M
TS Taiwan Semiconductor Manufac 3.7% Trimmed 20% 210,658 $101M
Amazon Com Inc 3.7% Trimmed 31% 420,000 $100M
Woodward Inc 3.5% Trimmed 1.3% 223,591 $95.1M
Unitedhealth Group Inc 2.8% Added 433% 186,677 $77.6M
Akamai Technologies Inc 2.8% New 640,000 $75.7M
Carvana Co 2.7% Added 516% 1,137,870 $74.9M
Nvidia Corporation 2.5% Trimmed 59% 336,579 $67.3M
Flex Ltd 2.4% New 413,438 $67M
DD Danaher Corp Del 2.4% Trimmed 21% 340,881 $64.9M
Perimeter Solutions Inc 2.3% Trimmed 24% 1,795,000 $64M
Broadcom Inc 2.2% Trimmed 14% 162,136 $61.2M
Conocophillips 2.0% Added 146% 538,290 $56M
Meta Platforms Inc 1.9% Trimmed 31% 91,574 $51.6M
Amer Sports Inc 1.9% Added 15% 1,500,000 $50.8M
Thermo Fisher Scientific Inc 1.8% New 100,000 $50.1M
Sharkninja Inc 1.7% Trimmed 43% 314,011 $47.8M
AM Applied Matls Inc 1.7% Unchanged 65,000 $47M
CO Capital One Finl Corp 1.7% New 233,129 $46.8M
BS Brookdale Sr Living Inc 1.7% Added 16% 2,859,263 $46M
DS Dicks Sporting Goods Inc 1.7% New 200,000 $45.4M
NH Nu Hldgs Ltd 1.6% Added 32% 3,225,000 $43.1M
Teck Resources Ltd 1.5% Trimmed 8.2% 705,673 $42M
Primo Brands Corporation 1.4% New 1,607,935 $39.3M
Element Solutions Inc 1.3% New 725,000 $34.6M
Constellium Se 1.3% New 1,083,489 $34.5M
Mks Inc. 1.1% New 65,000 $28.9M
Target Hospitality Corp 1.0% New 1,399,345 $28.5M
CN Cleveland-cliffs Inc New 0.9% New 2,741,569 $25.7M
Ul Solutions Inc 0.9% Trimmed 38% 250,000 $25.5M
Vertiv Holdings Co 0.8% Trimmed 74% 68,746 $23M
Viasat Inc 0.6% New 180,000 $16.2M
Ati Inc 0.6% Trimmed 45% 80,000 $15.8M
Alkermes PLC 0.5% Added 17% 275,000 $14.4M
Boston Scientific Corp 0.5% New 300,000 $12.8M
Optimum Communications Inc 0.4% Added 60% 8,000,000 $11.6M
SR Scholar Rock Hldg Corp 0.4% New 205,000 $11.3M
SG SPDR Gold Tr 0.4% Unchanged 30,000 $11.1M
Natera Inc 0.3% New 32,500 $8.82M
Abivax Sa 0.3% New 55,000 $7.33M
Gogoro Inc 0.2% Unchanged 1,350,000 $5.38M
AS Azul S A 0.2% New 505,584 $4.55M
Kinetik Holdings Inc 0.1% Unchanged 75,500 $3.65M
Alphabet Inc 0.1% Trimmed 20% 10,000 $3.53M
Terawulf Inc 0.1% Unchanged 139,071 $3.44M
Vistra Corp 0.1% Trimmed 91% 16,763 $2.66M
Galaxy Digital Inc. 0.1% Trimmed 33% 96,491 $2.64M
AS Arcelormittal Sa Luxembourg 0.1% Trimmed 88% 41,258 $2.48M
Barclays PLC 0.1% Unchanged 67,232 $1.81M
Warby Parker Inc 0.1% Trimmed 90% 50,000 $1.52M
Riot Platforms Inc 0.0% Trimmed 97% 48,501 $1.33M
Astronics Corp 0.0% Trimmed 69% 6,702 $545K
Warner Bros Discovery Inc 0.0% Trimmed 99% 20,061 $535K

Timeline of changes

What changed each quarter, from the filings' own share counts. Largest moves first; most recent 8 quarters.

Q2 2026

quarter ended June 30, 2026 · filed August 12, 2026

Company Action Shares changed Value of change % of portfolio
DH Dpc Holdings PLC New +5,022,738 +$246M 9.0%
SS State Str SPDR S&P 500 ETF T Added +243,000 +$181M 6.7%
IQ Invesco Qqq Tr New +213,500 +$157M 5.7%
Microsoft Corp Exited −267,500 −$99M —
Nvidia Corporation Trimmed −488,100 −$97.7M 2.5%
Warner Bros Discovery Inc Trimmed −3,029,183 −$80.8M —
Akamai Technologies Inc New +640,000 +$75.7M 2.8%
Flex Ltd New +413,438 +$67M 2.4%
Vertiv Holdings Co Trimmed −191,254 −$64M 0.8%
Unitedhealth Group Inc Added +151,677 +$63M 2.8%

Showing the 10 largest of 72 changes.

Q1 2026

quarter ended March 31, 2026 · filed May 13, 2026

Company Action Shares changed Value of change % of portfolio
UA United Airls Hldgs Inc Trimmed −1,699,000 −$156M 6.0%
CO Capital One Finl Corp Exited −471,805 −$114M —
ST SS&C Technologies Hldgs Inc Exited −1,035,193 −$90.5M —
Boeing Co Added +413,500 +$82.3M 4.0%
Woodward Inc Trimmed −225,000 −$80.5M 3.7%
Visa Inc New +255,000 +$77.1M 3.5%
UP Union Pac Corp Exited −274,833 −$63.6M —
Broadcom Inc New +187,643 +$58.1M 2.7%
Nvidia Corporation Added +320,000 +$55.8M 6.6%
DD Danaher Corp Del Added +263,900 +$50M 3.8%

Showing the 10 largest of 66 changes.

Q4 2025

quarter ended December 31, 2025 · filed February 13, 2026

Company Action Shares changed Value of change % of portfolio
IB Ishares Bitcoin Trust ETF Exited −1,798,000 −$117M —
Coreweave Inc Exited −750,000 −$103M —
SS SPDR S&P 500 ETF Tr Trimmed −111,000 −$75.7M 0.1%
Nutanix Inc Exited −773,635 −$57.6M —
Jpmorgan Chase & Co. Exited −175,000 −$55.2M —
Performance Food Group Co Exited −441,378 −$45.9M —
IT Ishares Tr Exited −182,000 −$44M —
TS Taiwan Semiconductor Mfg Ltd Added +139,487 +$42.4M 4.0%
FE Flutter Entmt PLC Exited −164,618 −$41.8M —
Danaher Corporation New +169,416 +$38.8M 1.6%

Showing the 10 largest of 72 changes.

Q3 2025

quarter ended September 30, 2025 · filed November 14, 2025

Company Action Shares changed Value of change % of portfolio
RM Robinhood Mkts Inc Trimmed −775,000 −$111M 2.1%
Coreweave Inc New +750,000 +$103M 3.8%
Teck Resources Ltd New +1,987,669 +$87.2M 3.2%
UP Union Pac Corp New +321,107 +$75.9M 2.8%
Hyatt Hotels Corp Trimmed −454,280 −$64.5M 0.1%
CC Charter Communications Inc N Exited −144,351 −$59M —
IE Ishares Ethereum Tr New +1,672,643 +$52.7M 1.9%
Sharkninja Inc New +495,897 +$51.2M 1.9%
Carvana Co Added +130,000 +$49M 4.1%
CN Comcast Corp New Exited −1,300,000 −$46.4M —

Showing the 10 largest of 65 changes.

Q2 2025

quarter ended June 30, 2025 · filed August 13, 2025

Company Action Shares changed Value of change % of portfolio
Jpmorgan Chase & Co. New +307,000 +$89M 3.4%
Carvana Co Trimmed −250,000 −$84.2M 2.1%
Primo Brands Corporation Exited −2,201,798 −$78.1M —
CO Capital One Finl Corp Added +355,990 +$75.7M 4.2%
SS SPDR S&P 500 ETF Tr New +104,000 +$64.3M 2.5%
Warner Bros Discovery Inc New +4,066,383 +$46.6M 1.8%
Woodward Inc Added +169,562 +$41.6M 2.8%
Danaher Corporation Exited −200,000 −$41M —
Ati Inc Trimmed −462,500 −$39.9M 2.5%
Fiserv Inc Exited −175,000 −$38.6M —

Showing the 10 largest of 60 changes.

Q1 2025

quarter ended March 31, 2025 · filed May 14, 2025

Company Action Shares changed Value of change % of portfolio
IQ Invesco Qqq Tr Exited −1,330,000 −$680M —
DA Delta Air Lines Inc Del Exited −1,696,405 −$103M —
AP Air Prods & Chems Inc Trimmed −277,789 −$81.9M 2.9%
CO Capital One Finl Corp Trimmed −395,723 −$71M 1.5%
IE Intercontinental Exchange In Trimmed −407,574 −$70.3M 0.1%
Verizon Communications Inc Exited −1,640,000 −$65.6M —
Progressive Corp Exited −270,330 −$64.8M —
AT&T Inc Exited −2,765,000 −$63M —
IB Ishares Bitcoin Trust ETF New +1,265,000 +$59.2M 3.1%
Freeport-mcmoran Inc Added +1,532,166 +$58M 3.1%

Showing the 10 largest of 75 changes.

Q4 2024

quarter ended December 31, 2024 · filed February 13, 2025

Company Action Shares changed Value of change % of portfolio
IQ Invesco Qqq Tr New +1,330,000 +$680M 20.0%
UA United Airls Hldgs Inc Added +2,225,000 +$216M 9.3%
AP Air Prods & Chems Inc New +460,458 +$134M 3.9%
DA Delta Air Lines Inc Del Added +1,196,405 +$72.4M 3.0%
ST SS&C Technologies Hldgs Inc Added +869,175 +$65.9M 3.4%
Aptiv PLC Exited −835,760 −$60.2M —
Fiserv Inc New +250,000 +$51.4M 1.5%
CC Charter Communications Inc N New +142,792 +$48.9M 1.4%
EL Eli Lilly & Co Added +63,101 +$48.7M 1.9%
Johnson & Johnson Exited −297,000 −$48.1M —

Showing the 10 largest of 78 changes.

Q3 2024

quarter ended September 30, 2024 · filed November 13, 2024

Company Action Shares changed Value of change % of portfolio
AI American Intl Group Inc Exited −1,267,466 −$94.1M —
Nextera Energy Inc Trimmed −594,629 −$50.3M 1.7%
ST SS&C Technologies Hldgs Inc New +650,000 +$48.2M 2.3%
Johnson & Johnson New +297,000 +$48.1M 2.3%
RM Robinhood Mkts Inc New +2,000,000 +$46.8M 2.2%
CO Capital One Finl Corp New +305,483 +$45.7M 2.2%
Meta Platforms Inc Trimmed −75,000 −$42.9M 2.4%
Chipotle Mexican Grill Inc New +733,596 +$42.3M 2.0%
Aon PLC New +120,000 +$41.5M 2.0%
IE Intercontinental Exchange In Trimmed −257,680 −$41.4M 3.9%

Showing the 10 largest of 78 changes.

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