WhaleCreepWhat the best hedge funds own, from their SEC 13F filings
HomeFunds › Senator Investment Group

Senator Investment Group: 13F holdings, Q2 2026

Emerging, concentrated · SEC EDGAR filings (CIK 0001443689) · Explore on the interactive board

Senator Investment Group disclosed 58 US equity positions worth $2.6bn in its Q2 2026 13F filing (holdings as of June 30, 2026, filed August 12, 2026). Its largest position is DPC at 9.5% of the reported book, followed by QQQ, UAL. The top ten holdings are 49.4% of the book, and the portfolio behaves like about 27 equal-weight positions. Versus the prior filing it opened 19 new positions, added to 11, reduced 22 and exited 20.

$2.6bnreported US equity book
58positions
9.5%largest position
49.4%top 10 weight
27.44effective positions (1/HHI)
65quarters on file since Q4 2008

What does Senator Investment Group own? Top holdings as of June 30, 2026

Change is measured in shares against the previous filing (Q1 2026), so price moves do not read as decisions. This quarter: 19 new, 11 added, 22 reduced, 20 exited.

#StockSectorWeightValueSharesΔ sharesAction
1 DPC DPC HOLDINGS PLC 9.5%$246.4m5,022,738 new
2 QQQ INVESCO QQQ TR 6.0%$157.2m213,500 new
3 UAL UNITED AIRLS HLDGS INC Industrials 5.6%$146.2m1,075,439 -25% reduced
4 CVNA CARVANA CO Consumer Cyclical 5.0%$131.4m1,137,870 516% added
5 BA BOEING CO Industrials 4.8%$124.0m646,458 47% added
6 V VISA INC Financial Services 4.2%$108.3m315,788 24% added
7 TSM TAIWAN SEMICONDUCTOR MANUFAC Technology 3.9%$100.6m210,658 -20% reduced
8 AMZN AMAZON COM INC Consumer Cyclical 3.8%$100.1m420,000 -31% reduced
9 WWD WOODWARD INC Industrials 3.6%$95.1m223,591 -1% reduced
10 UNH UNITEDHEALTH GROUP INC Healthcare 3.0%$77.6m186,677 433% added
11 AKAM AKAMAI TECHNOLOGIES INC Technology 2.9%$75.7m640,000 new
12 NVDA NVIDIA CORPORATION Technology 2.6%$67.3m336,579 -59% reduced
13 FLEX FLEX LTD Technology 2.6%$67.0m413,438 new
14 DHR DANAHER CORP DEL Healthcare 2.5%$64.9m340,881 -21% reduced
15 PRM PERIMETER SOLUTIONS INC Basic Materials 2.5%$64.0m1,795,000 -24% reduced
16 AVGO BROADCOM INC Technology 2.3%$61.2m162,136 -14% reduced
17 COP CONOCOPHILLIPS Energy 2.1%$56.0m538,290 146% added
18 META META PLATFORMS INC Communication Services 2.0%$51.6m91,574 -31% reduced
19 AS AMER SPORTS INC Consumer Cyclical 1.9%$50.8m1,500,000 15% added
20 TMO THERMO FISHER SCIENTIFIC INC Healthcare 1.9%$50.1m100,000 new
21 SN SHARKNINJA INC Consumer Cyclical 1.8%$47.8m314,011 -43% reduced
22 AMAT APPLIED MATLS INC Technology 1.8%$47.0m65,000 0% held
23 COF CAPITAL ONE FINL CORP Financial Services 1.8%$46.8m233,129 new
24 BKD BROOKDALE SR LIVING INC Healthcare 1.8%$46.0m2,859,263 16% added
25 DKS DICKS SPORTING GOODS INC Consumer Cyclical 1.7%$45.4m200,000 new
26 NU NU HLDGS LTD Financial Services 1.7%$43.1m3,225,000 32% added
27 TECK TECK RESOURCES LTD Basic Materials 1.6%$42.0m705,673 -8% reduced
28 PRMB PRIMO BRANDS CORPORATION Consumer Defensive 1.5%$39.3m1,607,935 new
29 ESI ELEMENT SOLUTIONS INC Basic Materials 1.3%$34.6m725,000 new
30 CSTM CONSTELLIUM SE Basic Materials 1.3%$34.5m1,083,489 new
31 MKSI MKS INC. Technology 1.1%$28.9m65,000 new
32 TH TARGET HOSPITALITY CORP Industrials 1.1%$28.5m1,399,345 new
33 CLF CLEVELAND-CLIFFS INC NEW Basic Materials 1.0%$25.7m2,741,569 new
34 ULS UL SOLUTIONS INC Industrials 1.0%$25.5m250,000 -38% reduced
35 VRT VERTIV HOLDINGS CO Industrials 0.9%$23.0m68,746 -74% reduced
36 VSAT VIASAT INC Technology 0.6%$16.2m180,000 new
37 ATI ATI INC Industrials 0.6%$15.8m80,000 -45% reduced
38 ALKS ALKERMES PLC Healthcare 0.6%$14.4m275,000 17% added
39 BSX BOSTON SCIENTIFIC CORP Healthcare 0.5%$12.8m300,000 new
40 OPTU OPTIMUM COMMUNICATIONS INC Communication Services 0.4%$11.6m8,000,000 60% added
41 SRRK SCHOLAR ROCK HLDG CORP Healthcare 0.4%$11.3m205,000 new
42 GLD SPDR GOLD TR 0.4%$11.1m30,000 0% held
43 SPY STATE STR SPDR S&P 500 ETF T 0.4%$9.7m246,000 8100% added
44 NTRA NATERA INC Healthcare 0.3%$8.8m32,500 new
45 ABVX ABIVAX SA 0.3%$7.3m55,000 new
46 GOGORO INC 0.2%$5.4m1,350,000 0% held
47 AZUL S A 0.2%$4.5m505,584 new
48 KNTK KINETIK HOLDINGS INC Energy 0.1%$3.6m75,500 0% held
49 GOOG ALPHABET INC Communication Services 0.1%$3.5m10,000 -20% reduced
50 WULF TERAWULF INC Financial Services 0.1%$3.4m139,071 0% held

What did Senator Investment Group sell? Positions exited since the previous filing

StockPrior weightPrior value
MSFT MICROSOFT CORP19.5%$99.0m
VIK VIKING HOLDINGS LTD7.6%$38.4m
APO APOLLO GLOBAL MGMT INC7.5%$37.9m
C CITIGROUP INC7.4%$37.4m
PFE PFIZER INC6.9%$35.1m
HAL HALLIBURTON CO6.5%$33.0m
EEM ISHARES TR6.4%$32.4m
AEIS ADVANCED ENERGY INDS6.4%$32.3m
LHX L3HARRIS TECHNOLOGIES INC6.1%$31.1m
APH AMPHENOL CORP5.0%$25.3m
JAMES HARDIE INDS PLC4.1%$21.0m
RKT ROCKET COS INC3.5%$17.8m
HAS HASBRO INC3.2%$16.4m
CVS CVS HEALTH CORP2.5%$12.6m
ECHO ECHOSTAR CORP2.4%$12.0m
HOOD ROBINHOOD MKTS INC1.9%$9.8m
HWM HOWMET AEROSPACE INC1.9%$9.6m
ETHA ISHARES ETHEREUM TR0.8%$3.8m
H HYATT HOTELS CORP0.3%$1.4m
CELH CELSIUS HLDGS INC0.3%$1.3m

Sector mix

SectorWeight
Technology17.8%
Industrials17.6%
Consumer Cyclical14.4%
Healthcare11.0%
Financial Services8.0%
Basic Materials7.7%

Sectors cover positions whose ticker resolved to a sector; the remainder is unclassified, not cash.

Filing history

QuarterPositionsEquity value
Q2 202661$2.6bn
Q1 202665$2.4bn
Q4 202560$2.5bn
Q3 202562$2.7bn
Q2 202555$2.6bn
Q1 202551$1.9bn
Q4 202469$3.4bn
Q3 202463$2.2bn
Q2 202471$2.1bn
Q1 202469$2.2bn
Q4 202370$2.3bn
Q3 202355$1.8bn
Q2 202354$2.3bn
Q1 202345$1.8bn
Q4 202242$1.1bn
Q3 202249$1.1bn

Earliest filing: Q4 2008 · 65 quarters on file

How concentrated is Senator Investment Group's portfolio?

Across every quarter Senator Investment Group has filed, its median largest position is 7.7% of the book and its median top-ten weight is 45.8%, which WhaleCreep classifies as concentrated (the gate is a median largest position of 5%). Of 1111 completed holding spells, the median lasted 2.0 quarters; 58 positions are still open and their final length is unknown.