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
2026 Q2	$188K	Buy	+2,400	New	+$176K	﹤0.01%	1206
2025 Q1	–	Sell	-36,500	Closed	-$2.07M	–	2004
2024 Q4	$2.07M	Sell	36,500 -100	-0.3%	-$5.34K	﹤0.01%	1139
2024 Q3	$2M	Sell	36,600 -188,100	-84%	-$9.56M	﹤0.01%	1123
2024 Q2	$10.6M	Buy	224,700 +37,500	+20%	+$1.9M	0.02%	563
2024 Q1	$10.6M	Buy	187,200 +172,800	+1,200%	+$9M	0.02%	622
2023 Q4	$734K	Buy	+14,400	New	+$611K	﹤0.01%	1161
2021 Q2	–	Sell	-63,200	Closed	-$2.31M	–	1662
2021 Q1	$2.31M	Hold	63,200	–	–	0.01%	815
2020 Q4	$1.71M	Buy	+63,200	New	+$1.54M	0.01%	887

Other funds holding SGI

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

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 Malvern, Pennsylvania $2.22T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Linonia Partnership New York $5.6B AUM 1.81% 1-Year Est. Return

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.