Mariner
SGI

Mariner’s Somnigroup International SGI Stock Holding History

Mariner’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
-46,003
Closed -$3.4M – 3984
2026
Q1 		$3.4M Sell
46,003
-7,723
-14% -$670K ﹤0.01% 1222
2025
Q4 		$4.8M Buy
53,726
+2,140
+4% +$187K 0.01% 1021
2025
Q3 		$4.35M Buy
51,586
+12,657
+33% +$997K 0.01% 1001
2025
Q2 		$2.65M Sell
38,929
-16,839
-30% -$1.06M ﹤0.01% 1175
2025
Q1 		$3.34M Buy
55,768
+4,621
+9% +$280K 0.01% 972
2024
Q4 		$2.9M Buy
51,147
+41,187
+414% +$2.2M ﹤0.01% 1030
2024
Q3 		$544K Buy
9,960
+627
+7% +$31.9K ﹤0.01% 2063
2024
Q2 		$442K Sell
9,333
-797
-8% -$40.3K ﹤0.01% 2134
2024
Q1 		$576K Sell
10,130
-404
-4% -$21.1K ﹤0.01% 1924
2023
Q4 		$537K Sell
10,534
-761
-7% -$32.3K ﹤0.01% 1891
2023
Q3 		$490K Buy
11,295
+232
+2% +$10.3K ﹤0.01% 1797
2023
Q2 		$443K Buy
11,063
+1,226
+12% +$46.1K ﹤0.01% 1827
2023
Q1 		$388K Sell
9,837
-107
-1% -$4.26K ﹤0.01% 1867
2022
Q4 		$341K Buy
9,944
+901
+10% +$27.1K ﹤0.01% 1923
2022
Q3 		$218K Buy
+9,043
New +$234K ﹤0.01% 2004
2022
Q2 		– Sell
-11,571
Closed -$324K – 1467
2022
Q1 		$324K Buy
+11,571
New +$426K ﹤0.01% 1269
2021
Q3 		– Sell
-10,795
Closed -$423K – 1022
2021
Q2 		$423K Sell
10,795
-1,156
-10% -$44.3K ﹤0.01% 825
2021
Q1 		$438K Buy
+11,951
New +$387K ﹤0.01% 761
2019
Q3 		– Sell
-11,188
Closed -$205K – 1069
2019
Q2 		$205K Buy
+11,188
New +$180K ﹤0.01% 1039

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

Mariner's SGI Position: Q2 2026 in Review

Mariner sold out of Somnigroup International (SGI) in Q2 2026, closing a stake of 46,003 shares — an estimated $3.4M sold.

Mariner first reported a position in SGI in Q2 2019 and held it in 19 quarters. The position peaked at $4.8M in Q4 2025. 540 funds tracked by Wall St. Rank hold SGI as of Q2 2026.

  • Mariner reported no remaining Somnigroup International position as of Q2 2026 after selling out during the quarter.
  • Mariner sold 46,003 Somnigroup International shares in Q2 2026, an estimated $3.4M.
  • Mariner first reported a position in Somnigroup International in Q2 2019 and held it in 19 quarters.
  • Mariner's Somnigroup International position peaked at $4.8M in Q4 2025.
  • 540 funds tracked by Wall St. Rank held Somnigroup International as of Q2 2026.

Based on Mariner's 13F filing for Q2 2026, filed 13 Aug 2026.