SIG
SGI

Senator Investment Group’s Somnigroup International SGI Stock Holding History

Senator Investment Group’s Portfolio SGI Stock Details SGI Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q3 		– Sell
-450,000
Closed -$30.6M – 72
2025
Q2 		$30.6M Buy
450,000
+442,325
+5,763% +$27.8M 1.18% 36
2025
Q1 		$460K Buy
+7,675
New +$465K 0.02% 46
2024
Q3 		– Sell
-460,427
Closed -$21.8M – 83
2024
Q2 		$21.8M Buy
+460,427
New +$23.3M 1.06% 37
2013
Q3 		– Sell
-18,000,000
Closed -$198M – 64
2013
Q2 		$198M Buy
+18,000,000
New +$205M 3.07% 10

Other funds holding SGI

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Select Equity Group
Select Equity Group New York $20.2B AUM 17.52% 1-Year Est. Return
WPL
WINDACRE PARTNERSHIP LLC Houston, Texas $10.1B AUM 10.46% 1-Year Est. Return
BW
Browning West Los Angeles, California $1.69B AUM 9.16% 1-Year Est. Return
LP
Linonia Partnership New York $5.6B AUM 1.81% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
ACM
Abrams Capital Management Boston, Massachusetts $5.48B AUM 3.63% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return

Senator Investment Group's SGI Position: Q3 2025 in Review

Senator Investment Group sold out of Somnigroup International (SGI) in Q3 2025, closing a stake of 450,000 shares — an estimated $30.6M sold.

Senator Investment Group first reported a position in SGI in Q2 2013 and held it in 4 quarters. The position peaked at $198M in Q2 2013. 483 funds tracked by Wall St. Rank hold SGI as of Q3 2025.

  • Senator Investment Group reported no remaining Somnigroup International position as of Q3 2025 after selling out during the quarter.
  • Senator Investment Group sold 450,000 Somnigroup International shares in Q3 2025, an estimated $30.6M.
  • Senator Investment Group first reported a position in Somnigroup International in Q2 2013 and held it in 4 quarters.
  • Senator Investment Group's Somnigroup International position peaked at $198M in Q2 2013.
  • 483 funds tracked by Wall St. Rank held Somnigroup International as of Q3 2025.

Based on Senator Investment Group's 13F filing for Q3 2025, filed 14 Nov 2025.