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Senator Investment Group LP

New York, NY 20 processed 13Fs on this site, 2021 Q3 to 2026 Q2

  • $2.7B
  • 56 holdings
  • 2026 Q2
  • +25.8% QoQ
  • Top 5 25.5%

Senator Investment Group's biggest moves in 2026 Q2 were opening DPC Holdings and Akamai, adding to UnitedHealth Group and Visa, trimming Warner Bros. Discovery and Vertiv, and selling out of Microsoft and Viking.

Portfolio

2026 Q2, filed 8/12/2026, top 12 of 56 holdings

Top 5 25.5%, top 10 39.5%

  1. DPC, DPC Holdings 9.0%
  2. UAL, United Airlines 5.3%
  3. V, Visa 3.9%
  4. TSM, Taiwan Semiconductor 3.7%
  5. AMZN, Amazon 3.6%
  6. WWD, Woodward 3.5%
  7. UNH, UnitedHealth Group 2.8%
  8. AKAM, Akamai 2.8%
  9. NVDA, Nvidia 2.5%
  10. FLEX, Flextronics 2.4%
  11. CVNA, Carvana 2.4%
  12. DHR, Danaher 2.4%
  13. Other 55.7%

AUM over time

2026 Q2 $2.7B +25.8% QoQ
2021 Q3: $5.8B 2021 Q3: $5.8B
Q3 2021
2021 Q4: $5.2B, −11.5% QoQ 2021 Q4: $5.2B, −11.5% QoQ
Q4
2022 Q1: $3.2B, −37.7% QoQ 2022 Q1: $3.2B, −37.7% QoQ
Q1 2022
2022 Q2: $1.4B, −56.7% QoQ 2022 Q2: $1.4B, −56.7% QoQ
Q2
2022 Q3: $1.1B, −21.3% QoQ 2022 Q3: $1.1B, −21.3% QoQ
Q3
2022 Q4: $1.1B, +1.1% QoQ 2022 Q4: $1.1B, +1.1% QoQ
Q4
2023 Q1: $1.8B, +64.7% QoQ 2023 Q1: $1.8B, +64.7% QoQ
Q1 2023
2023 Q2: $2.2B, +21.1% QoQ 2023 Q2: $2.2B, +21.1% QoQ
Q2
2023 Q3: $1.8B, −19.7% QoQ 2023 Q3: $1.8B, −19.7% QoQ
Q3
2023 Q4: $2.3B, +31.0% QoQ 2023 Q4: $2.3B, +31.0% QoQ
Q4
2024 Q1: $2.2B, −5.8% QoQ 2024 Q1: $2.2B, −5.8% QoQ
Q1 2024
2024 Q2: $2.1B, −6.7% QoQ 2024 Q2: $2.1B, −6.7% QoQ
Q2
2024 Q3: $2.1B, +2.7% QoQ 2024 Q3: $2.1B, +2.7% QoQ
Q3
2024 Q4: $3.4B, +61.8% QoQ 2024 Q4: $3.4B, +61.8% QoQ
Q4
2025 Q1: $1.9B, −44.7% QoQ 2025 Q1: $1.9B, −44.7% QoQ
Q1 2025
2025 Q2: $2.6B, +37.5% QoQ 2025 Q2: $2.6B, +37.5% QoQ
Q2
2025 Q3: $2.7B, +4.5% QoQ 2025 Q3: $2.7B, +4.5% QoQ
Q3
2025 Q4: $2.5B, −7.9% QoQ 2025 Q4: $2.5B, −7.9% QoQ
Q4
2026 Q1: $2.2B, −12.7% QoQ 2026 Q1: $2.2B, −12.7% QoQ
Q1 2026
2026 Q2: $2.7B, +25.8% QoQ 2026 Q2: $2.7B, +25.8% QoQ
Q2

Latest book

2026 Q2 2026 Q1, filed 12 Aug, long equity only

Download CSV Download Excel All activity
DPC, DPC Holdings 8.99% New 5,022,738 $49.06 $246M +5,022,738 +$246M
UAL, United Airlines 5.34%, was 6.04% Reduce −24.8% 1,075,439 $135.99 $146M −354,190 +$15M
V, Visa 3.95%, was 2.91% Add +50.4% 315,788 $343.09 $108M +105,788 +$45M
TSM, Taiwan Semiconductor 3.67%, was 4.07% Reduce −19.7% 210,658 $477.57 $101M −51,842 +$12M
AMZN, Amazon 3.65%, was 4.16% Reduce −3.4% 420,000 $238.34 $100M −15,000 +$9.5M
WWD, Woodward 3.47%, was 3.72% Reduce −1.3% 223,591 $425.44 $95M −2,947 +$14M
UNH, UnitedHealth Group 2.83%, was 0.43% Add +433.4% 186,677 $415.63 $78M +151,677 +$68M
AKAM, Akamai 2.76% New 640,000 $118.21 $76M +640,000 +$76M
NVDA, Nvidia 2.46%, was 3.48% Reduce −22.6% 336,579 $200.09 $67M −98,100 −$8.5M
FLEX, Flextronics 2.45% New 413,438 $162.07 $67M +413,438 +$67M
CVNA, Carvana 2.40% Add +440.6% 997,870 $65.82 $66M +813,296 +$7.6M
DHR, Danaher 2.37%, was 3.77% Reduce −21.3% 340,881 $190.48 $65M −92,435 −$17M
PRM, Perimeter Solutions 2.34%, was 2.66% Reduce −24.3% 1,795,000 $35.65 $64M −575,000 +$6.1M
BA, Boeing 2.26%, was 3.12% Reduce −16.0% 286,458 $216.47 $62M −54,542 −$5.9M
AVGO, Broadcom 2.24%, was 2.67% Reduce −13.6% 162,136 $377.75 $61M −25,507 +$3.1M
COP, ConocoPhillips 2.04%, was 1.33% Add +145.8% 538,290 $103.96 $56M +319,328 +$27M
META, Meta Platforms 1.88% Add +9.6% 91,574 $563.29 $52M +8,000 +$3.8M
AS, Amer Sports 1.85% Add +15.3% 1,500,000 $33.84 $51M +199,000 +$7.9M
TMO, Thermo Fisher Scientific 1.83% New 100,000 $501.36 $50M +100,000 +$50M
SN, Sharkninja 1.74%, was 2.69% Reduce −43.3% 314,011 $152.27 $48M −240,000 −$11M
AMAT, Applied Materials 1.72% Hold 65,000 $723.00 $47M — —
COF, Capital One 1.71% New 233,129 $200.62 $47M +233,129 +$47M
BKD, Brookdale Sr Living 1.68%, was 1.54% Add +16.3% 2,859,263 $16.09 $46M +400,000 +$12M
DKS, Dicks Sporting Goods 1.66% New 200,000 $226.81 $45M +200,000 +$45M
NU, Nu Holdings 1.57% Add +31.6% 3,225,000 $13.36 $43M +775,000 +$7.9M
TECK, Teck Resources 1.53%, was 1.83% Reduce −8.2% 705,673 $59.46 $42M −63,000 +$2.2M
PRMB, Primo Brands 1.43% New 1,607,935 $24.44 $39M +1,607,935 +$39M
ESI, Element Solutions 1.26% New 725,000 $47.75 $35M +725,000 +$35M
Constellium 1.26% New 1,083,489 $31.87 $35M +1,083,489 +$35M
MKSI, MKS 1.06% New 65,000 $444.80 $29M +65,000 +$29M
Target Hospitality 1.04% New 1,399,345 $20.36 $28M +1,399,345 +$28M
CLF, Cleveland-Cliffs 0.94% New 2,741,569 $9.39 $26M +2,741,569 +$26M
ULS, Ul Solutions 0.93%, was 1.57% Reduce −37.5% 250,000 $101.86 $25M −150,000 −$8.8M
VRT, Vertiv 0.84%, was 2.99% Reduce −73.6% 68,746 $334.82 $23M −191,254 −$42M
VSAT, Viasat 0.59% New 180,000 $89.81 $16M +180,000 +$16M
ATI, ATI Inc 0.58%, was 0.97% Reduce −44.8% 80,000 $197.10 $16M −65,000 −$5.3M
ALKS, Alkermes 0.53%, was 0.38% Add +17.0% 275,000 $52.40 $14M +40,000 +$6.1M
BSX, Boston Scientific 0.47% New 300,000 $42.68 $13M +300,000 +$13M
OPTU, Optimum Communications 0.42%, was 0.30% Add +60.0% 8,000,000 $1.45 $12M +3,000,000 +$5.1M
SRRK, Scholar Rock 0.41% New 205,000 $55.00 $11M +205,000 +$11M
GLD, SPDR Gold Shares 0.40% Hold 30,000 $368.38 $11M — —
NTRA, Natera 0.32% New 32,500 $271.45 $8.8M +32,500 +$8.8M
ABVX, Abivax 0.27% New 55,000 $133.26 $7.3M +55,000 +$7.3M
SPY, SPDR S&P 500 ETF Trust 0.18%, was 0.09% Add +116.7% 6,500 $746.77 $4.9M +3,500 +$2.9M
Azul 0.17% New 505,584 $8.99 $4.5M +505,584 +$4.5M
KNTK, Kinetik 0.13% Hold 75,500 $48.34 $3.6M — —
GOOG, Alphabet 0.13%, was 0.16% Reduce −20.0% 10,000 $353.33 $3.5M −2,500 −$53K
WULF, Terawulf 0.13% Hold 139,071 $24.70 $3.4M — —
VST, Vistra 0.10%, was 1.36% Reduce −91.5% 16,763 $158.63 $2.7M −180,000 −$27M
GLXY, Galaxy Digital 0.10%, was 0.12% Reduce −32.8% 96,491 $27.34 $2.6M −47,148 −$12K

Showing top 50 of 56 by value

Exits / last held

Gone since 2026 Q1, shown at their last reported size.

Stock % of portfolio Recent activity Shares Reported price* Value Share change $ change
MSFT, Microsoft 2.04% Exit 0 $370.17 $44M −120,000 −$44M
Viking 1.76% Exit 0 $73.48 $38M −523,000 −$38M
APO, Apollo Global Management 1.74% Exit 0 $111.42 $38M −340,000 −$38M
C, Citigroup 1.72% Exit 0 $113.40 $37M −330,000 −$37M
PFE, Pfizer 1.61% Exit 0 $28.08 $35M −1,250,000 −$35M
HAL, Halliburton 1.52% Exit 0 $38.99 $33M −846,693 −$33M
EEM, iShares Trust 1.49% Exit 0 $56.77 $32M −570,000 −$32M
AEIS, Advanced Energy Industries 1.48% Exit 0 $322.71 $32M −100,000 −$32M
LHX, L3Harris 1.43% Exit 0 $345.16 $31M −90,000 −$31M
APH, Amphenol 1.16% Exit 0 $126.35 $25M −200,000 −$25M
JHX, James Hardie Industries 0.96% Exit 0 $18.94 $21M −1,106,597 −$21M
RKT, Rocket Companies 0.82% Exit 0 $14.25 $18M −1,250,000 −$18M
HAS, Hasbro 0.75% Exit 0 $93.60 $16M −175,000 −$16M
CVS, CVS Health 0.58% Exit 0 $71.82 $13M −175,000 −$13M
SATS, Echostar 0.55% Exit 0 $117.10 $12M −102,500 −$12M
HOOD, Robinhood 0.45% Exit 0 $69.30 $9.8M −140,937 −$9.8M
HWM, Howmet Aerospace 0.44% Exit 0 $230.47 $9.6M −41,585 −$9.6M
H, Hyatt Hotels 0.07% Exit 0 $143.78 $1.4M −9,939 −$1.4M
CELH, Celsius 0.06% Exit 0 $35.51 $1.3M −36,268 −$1.3M

Weight bar: held both quarters added sold at this quarter’s reported price

* Reported price is value ÷ shares from the 13F as of period end, not a live market quote. Weight % is each long-equity position ÷ full 13F AUM, so rows may not sum to 100% when the filing includes options or other non-equity (excluded from this table). Share change and $ change are vs 2026 Q1. Click a column header to sort, or New, Hold, Add or Reduce to bring those moves to the top. Exit opens the last-held block below.

Filings history

20 periods, with AUM normalized

Newest 13Fs
Period Holds AUM QoQ Form Filed Filing ID
2026 Q2 61 $2.7B +25.8% 13F-HR 8/12/2026 000144368926000009
2026 Q1 65 $2.2B −12.7% 13F-HR 5/13/2026 000144368926000006
2025 Q4 60 $2.5B −7.9% 13F-HR 2/13/2026 000144368926000003
2025 Q3 62 $2.7B +4.5% 13F-HR 11/14/2025 000144368925000020
2025 Q2 55 $2.6B +37.5% 13F-HR 8/13/2025 000144368925000014
2025 Q1 51 $1.9B −44.7% 13F-HR 5/14/2025 000144368925000009
2024 Q4 69 $3.4B +61.8% 13F-HR 2/13/2025 000144368925000003
2024 Q3 63 $2.1B +2.7% 13F-HR 11/13/2024 000144368924000016
2024 Q2 71 $2.1B −6.7% 13F-HR 8/20/2024 000144368924000012
2024 Q1 69 $2.2B −5.8% 13F-HR 5/14/2024 000144368924000005
2023 Q4 70 $2.3B +31.0% 13F-HR 2/14/2024 000144368924000003
2023 Q3 54 $1.8B −19.7% 13F-HR 11/14/2023 000144368923000013
2023 Q2 53 $2.2B +21.1% 13F-HR 8/11/2023 000144368923000011
2023 Q1 45 $1.8B +64.7% 13F-HR 5/12/2023 000144368923000008
2022 Q4 42 $1.1B +1.1% 13F-HR 2/14/2023 000144368923000005
2022 Q3 49 $1.1B −21.3% 13F-HR 11/10/2022 000144368922000012
2022 Q2 55 $1.4B −56.7% 13F-HR 8/15/2022 000144368922000010
2022 Q1 75 $3.2B −37.7% 13F-HR 5/13/2022 000144368922000007
2021 Q4 94 $5.2B −11.5% 13F-HR 2/11/2022 000144368922000004
2021 Q3 127 $5.8B — 13F-HR 11/12/2021 000144368921000013

About

Senator Investment Group LP

20 processed 13Fs on this site, 2021 Q3 to 2026 Q2

SEC filing name
Senator Investment Group LP
Location
New York, NY
All SEC filings
View on sec.gov