Dmitry Balyasny’s Somnigroup International SGI Stock Holding History

Dmitry Balyasny’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
2023 Q3	–	Sell	-250,000	Closed	-$10M	–	2809
2023 Q2	$10M	Buy	+250,000	New	+$9.4M	0.02%	779
2018 Q2	–	Sell	-400,000	Closed	-$4.53M	–	2212
2018 Q1	$4.53M	Buy	400,000 +200,000	+100%	+$2.75M	0.02%	738
2017 Q4	$3.13M	Hold	200,000	–	–	0.01%	1011
2017 Q3	$3.23M	Buy	+200,000	New	+$2.95M	0.01%	848
2015 Q1	–	Sell	-400,000	Closed	-$5.49M	–	1109
2014 Q4	$5.49M	Buy	+400,000	New	+$5.46M	0.05%	421

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

Dmitry Balyasny's SGI Position: Q2 2026 in Review

Dmitry Balyasny increased its Somnigroup International (SGI) stake by 183% in Q2 2026, buying an estimated $26M and bringing the position to 549,036 shares worth $43M. The position accounts for 0.05% of the portfolio, ranked #413.

Dmitry Balyasny first reported a position in SGI in Q3 2013 and has held it in 33 quarters since. The position peaked at $101M in Q1 2025. 534 funds tracked by Wall St. Rank hold SGI as of Q2 2026.

Dmitry Balyasny held 549,036 shares of Somnigroup International worth $43M as of Q2 2026.
Dmitry Balyasny bought 355,309 Somnigroup International shares in Q2 2026, an estimated $26M.
Somnigroup International made up 0.05% of Dmitry Balyasny's portfolio in Q2 2026, its #413 holding.
Dmitry Balyasny first reported a position in Somnigroup International in Q3 2013 and has held it in 33 quarters since.
Dmitry Balyasny's Somnigroup International position peaked at $101M in Q1 2025.
534 funds tracked by Wall St. Rank held Somnigroup International as of Q2 2026.

Based on Balyasny Asset Management's 13F filing for Q2 2026, filed 14 Aug 2026.