Zweig-DiMenna Associates’s Somnigroup International SGI Stock Holding History

Zweig-DiMenna Associates’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 Q1	–	Sell	-58,941	Closed	-$5.26M	–	106
2025 Q4	$5.26M	Sell	58,941 -2,059	-3%	-$180K	0.33%	77
2025 Q3	$5.14M	Hold	61,000	–	–	0.36%	78
2025 Q2	$4.15M	Buy	+61,000	New	+$3.84M	0.39%	69

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

Select Equity Group New York $20.2B AUM 17.52% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

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

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

WPL

WINDACRE PARTNERSHIP LLC Houston, Texas $10.1B AUM 10.46% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 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

Zweig-DiMenna Associates's SGI Position: Q1 2026 in Review

Zweig-DiMenna Associates sold out of Somnigroup International (SGI) in Q1 2026, closing a stake of 58,941 shares — an estimated $5.26M sold.

Zweig-DiMenna Associates first reported a position in SGI in Q2 2025 and held it in 3 quarters. The position peaked at $5.26M in Q4 2025. 529 funds tracked by Wall St. Rank hold SGI as of Q1 2026.

Zweig-DiMenna Associates reported no remaining Somnigroup International position as of Q1 2026 after selling out during the quarter.
Zweig-DiMenna Associates sold 58,941 Somnigroup International shares in Q1 2026, an estimated $5.26M.
Zweig-DiMenna Associates first reported a position in Somnigroup International in Q2 2025 and held it in 3 quarters.
Zweig-DiMenna Associates's Somnigroup International position peaked at $5.26M in Q4 2025.
529 funds tracked by Wall St. Rank held Somnigroup International as of Q1 2026.

Based on Zweig-DiMenna Associates's 13F filing for Q1 2026, filed 5 May 2026.