WG
SGI

Winton Group’s Somnigroup International SGI Stock Holding History

Winton 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
2026
Q2 		$360K Buy
+4,591
New +$337K 0.01% 821
2026
Q1 		– Sell
-2,600
Closed -$232K – 1415
2025
Q4 		$232K Sell
2,600
-98,209
-97% -$8.58M 0.01% 802
2025
Q3 		$8.5M Buy
+100,809
New +$7.94M 0.32% 75
2021
Q3 		– Sell
-13,137
Closed -$515K – 1500
2021
Q2 		$515K Sell
13,137
-216,496
-94% -$8.29M 0.03% 903
2021
Q1 		$8.39M Buy
229,633
+15,030
+7% +$487K 0.48% 18
2020
Q4 		$5.79M Buy
214,603
+160,463
+296% +$3.91M 0.42% 17
2020
Q3 		$1.21M Buy
+54,140
New +$1.12M 0.04% 736
2020
Q1 		– Sell
-298,008
Closed -$6.49M – 1567
2019
Q4 		$6.49M Buy
+298,008
New +$6.23M 0.09% 383
2015
Q4 		– Sell
-914,976
Closed -$16.3M – 372
2015
Q3 		$16.3M Buy
914,976
+286,716
+46% +$5.26M 0.13% 258
2015
Q2 		$10.4M Buy
628,260
+189,636
+43% +$2.89M 0.1% 271
2015
Q1 		$6.33M Buy
438,624
+223,360
+104% +$3.09M 0.05% 333
2014
Q4 		$2.96M Buy
+215,264
New +$2.94M 0.04% 361

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

Winton Group's SGI Position: Q2 2026 in Review

Winton Group opened a new position in Somnigroup International (SGI) in Q2 2026: 4,591 shares worth $360K. The stake represents 0.01% of the portfolio and ranks #821 among its holdings. This is a return to the name: Winton Group previously reported a position in SGI as recently as Q4 2025.

Winton Group first reported a position in SGI in Q4 2014 and has held it in 12 quarters since. The position peaked at $16.3M in Q3 2015. 538 funds tracked by Wall St. Rank hold SGI as of Q2 2026.

  • Winton Group held 4,591 shares of Somnigroup International worth $360K as of Q2 2026.
  • Somnigroup International was a new Winton Group position in Q2 2026.
  • Somnigroup International made up 0.01% of Winton Group's portfolio in Q2 2026, its #821 holding.
  • Winton Group first reported a position in Somnigroup International in Q4 2014 and has held it in 12 quarters since.
  • Winton Group's Somnigroup International position peaked at $16.3M in Q3 2015.
  • 538 funds tracked by Wall St. Rank held Somnigroup International as of Q2 2026.

Based on Winton Group's 13F filing for Q2 2026, filed 7 Aug 2026.