GPC
SGI

Greenstone Partners & Co’s Somnigroup International SGI Stock Holding History

Greenstone Partners & Co’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 		$44.6M Buy
568,634
+280
+0% +$20.5K 10.31% 5
2026
Q1 		$42M Buy
568,354
+42,580
+8% +$3.69M 10.63% 5
2025
Q4 		$46.9M Buy
525,774
+253,757
+93% +$22.2M 9.12% 3
2025
Q3 		$22.9M Buy
+272,017
New +$21.4M 4.19% 9

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

Greenstone Partners & Co's SGI Position: Q2 2026 in Review

Greenstone Partners & Co increased its Somnigroup International (SGI) stake by 0.05% in Q2 2026, buying an estimated $20.5K and bringing the position to 568,634 shares worth $44.6M. The position accounts for 10.31% of the portfolio, ranked #5.

Greenstone Partners & Co first reported a position in SGI in Q3 2025 and has held it in 4 quarters since. The position peaked at $46.9M in Q4 2025. 538 funds tracked by Wall St. Rank hold SGI as of Q2 2026.

  • Greenstone Partners & Co held 568,634 shares of Somnigroup International worth $44.6M as of Q2 2026.
  • Greenstone Partners & Co bought 280 Somnigroup International shares in Q2 2026, an estimated $20.5K.
  • Somnigroup International made up 10.31% of Greenstone Partners & Co's portfolio in Q2 2026, its #5 holding.
  • Greenstone Partners & Co first reported a position in Somnigroup International in Q3 2025 and has held it in 4 quarters since.
  • Greenstone Partners & Co's Somnigroup International position peaked at $46.9M in Q4 2025.
  • 538 funds tracked by Wall St. Rank held Somnigroup International as of Q2 2026.

Based on Greenstone Partners & Co's 13F filing for Q2 2026, filed 14 Aug 2026.