Adage Capital Partners
SGI

Adage Capital Partners’s Somnigroup International SGI Stock Holding History

Adage Capital Partners’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 		$19.6M Sell
250,000
-83,000
-25% -$6.08M 0.03% 500
2026
Q1 		$24.6M Hold
333,000
– – 0.04% 416
2025
Q4 		$29.7M Sell
333,000
-71,000
-18% -$6.2M 0.05% 373
2025
Q3 		$34.1M Sell
404,000
-40,000
-9% -$3.15M 0.05% 325
2025
Q2 		$30.2M Buy
444,000
+111,000
+33% +$6.98M 0.05% 351
2025
Q1 		$19.9M Buy
333,000
+90,767
+37% +$5.49M 0.04% 416
2024
Q4 		$13.7M Sell
242,233
-307,767
-56% -$16.4M 0.02% 532
2024
Q3 		$30M Buy
550,000
+106,000
+24% +$5.39M 0.05% 343
2024
Q2 		$21M Hold
444,000
– – 0.04% 420
2024
Q1 		$25.2M Buy
444,000
+194,000
+78% +$10.1M 0.05% 390
2023
Q4 		$12.7M Buy
+250,000
New +$10.6M 0.03% 545
2023
Q2 		– Sell
-746,834
Closed -$29.5M – 944
2023
Q1 		$29.5M Buy
746,834
+493,314
+195% +$19.6M 0.07% 324
2022
Q4 		$8.7M Sell
253,520
-246,480
-49% -$7.41M 0.02% 666
2022
Q3 		$12.1M Buy
500,000
+250,000
+100% +$6.48M 0.03% 586
2022
Q2 		$5.34M Hold
250,000
– – 0.01% 791
2022
Q1 		$6.98M Sell
250,000
-100,000
-29% -$3.68M 0.01% 784
2021
Q4 		$16.5M Buy
+350,000
New +$15.9M 0.03% 548
2021
Q1 		– Sell
-353,322
Closed -$9.54M – 1040
2020
Q4 		$9.54M Buy
+353,322
New +$8.62M 0.02% 601

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

Adage Capital Partners's SGI Position: Q2 2026 in Review

Adage Capital Partners reduced its Somnigroup International (SGI) stake by 25% in Q2 2026, selling an estimated $6.08M and leaving 250,000 shares worth $19.6M. The position accounts for 0.03% of the portfolio, ranked #500.

Adage Capital Partners first reported a position in SGI in Q4 2020 and has held it in 18 quarters since. The position peaked at $34.1M in Q3 2025. 539 funds tracked by Wall St. Rank hold SGI as of Q2 2026.

  • Adage Capital Partners held 250,000 shares of Somnigroup International worth $19.6M as of Q2 2026.
  • Adage Capital Partners sold 83,000 Somnigroup International shares in Q2 2026, an estimated $6.08M.
  • Somnigroup International made up 0.03% of Adage Capital Partners's portfolio in Q2 2026, its #500 holding.
  • Adage Capital Partners first reported a position in Somnigroup International in Q4 2020 and has held it in 18 quarters since.
  • Adage Capital Partners's Somnigroup International position peaked at $34.1M in Q3 2025.
  • 539 funds tracked by Wall St. Rank held Somnigroup International as of Q2 2026.

Based on Adage Capital Partners's 13F filing for Q2 2026, filed 14 Aug 2026.