MF
SGI

Magnetar Financial’s Somnigroup International SGI Stock Holding History

Magnetar Financial’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 		– Sell
-17,424
Closed -$1.29M – 1533
2026
Q1 		$1.29M Buy
17,424
+6,350
+57% +$551K 0.01% 417
2025
Q4 		$989K Buy
+11,074
New +$967K 0.01% 442
2024
Q3 		– Sell
-5,558
Closed -$263K – 734
2024
Q2 		$263K Buy
+5,558
New +$281K 0.01% 408
2022
Q1 		– Sell
-18,319
Closed -$862K – 1564
2021
Q4 		$862K Buy
+18,319
New +$830K 0.01% 842

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

Magnetar Financial's SGI Position: Q2 2026 in Review

Magnetar Financial sold out of Somnigroup International (SGI) in Q2 2026, closing a stake of 17,424 shares — an estimated $1.29M sold.

Magnetar Financial first reported a position in SGI in Q4 2021 and held it in 4 quarters. The position peaked at $1.29M in Q1 2026. 540 funds tracked by Wall St. Rank hold SGI as of Q2 2026.

  • Magnetar Financial reported no remaining Somnigroup International position as of Q2 2026 after selling out during the quarter.
  • Magnetar Financial sold 17,424 Somnigroup International shares in Q2 2026, an estimated $1.29M.
  • Magnetar Financial first reported a position in Somnigroup International in Q4 2021 and held it in 4 quarters.
  • Magnetar Financial's Somnigroup International position peaked at $1.29M in Q1 2026.
  • 540 funds tracked by Wall St. Rank held Somnigroup International as of Q2 2026.

Based on Magnetar Financial's 13F filing for Q2 2026, filed 14 Aug 2026.