Twin Tree Management
SGI

Twin Tree Management’s Somnigroup International SGI Stock Holding History

Twin Tree Management’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
Q1 		– Sell
-132,100
Closed -$7.49M – 2005
2024
Q4 		$7.49M Sell
132,100
-43,700
-25% -$2.33M 0.01% 806
2024
Q3 		$9.6M Buy
+175,800
New +$8.93M 0.02% 669
2023
Q2 		– Sell
-64,200
Closed -$2.54M – 1564
2023
Q1 		$2.54M Buy
+64,200
New +$2.55M ﹤0.01% 864

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 Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
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
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
LP
Linonia Partnership New York $5.6B AUM 1.81% 1-Year Est. Return
BW
Browning West Los Angeles, California $1.69B AUM 9.16% 1-Year Est. Return
ACM
Abrams Capital Management Boston, Massachusetts $5.48B AUM 3.63% 1-Year Est. Return

Twin Tree Management's SGI Position: Q2 2026 in Review

Twin Tree Management opened a new position in Somnigroup International (SGI) in Q2 2026: 13,176 shares worth $1.03M. The stake represents 0.02% of the portfolio and ranks #818 among its holdings. This is a return to the name: Twin Tree Management previously reported a position in SGI as recently as Q4 2025.

Twin Tree Management first reported a position in SGI in Q4 2015 and has held it in 15 quarters since. The position peaked at $3.29M in Q2 2021. 540 funds tracked by Wall St. Rank hold SGI as of Q2 2026.

  • Twin Tree Management held 13,176 shares of Somnigroup International worth $1.03M as of Q2 2026.
  • Somnigroup International was a new Twin Tree Management position in Q2 2026.
  • Somnigroup International made up 0.02% of Twin Tree Management's portfolio in Q2 2026, its #818 holding.
  • Twin Tree Management first reported a position in Somnigroup International in Q4 2015 and has held it in 15 quarters since.
  • Twin Tree Management's Somnigroup International position peaked at $3.29M in Q2 2021.
  • 540 funds tracked by Wall St. Rank held Somnigroup International as of Q2 2026.

Based on Twin Tree Management's 13F filing for Q2 2026, filed 12 Aug 2026.