LA
SGI

Lee Ainslie’s Somnigroup International SGI Stock Holding History

Lee Ainslie’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
Q1 		– Sell
-1,141,820
Closed -$102M – 320
2025
Q4 		$102M Sell
1,141,820
-10,512
-0.9% -$918K 1.09% 31
2025
Q3 		$97.2M Buy
1,152,332
+157,772
+16% +$12.4M 1.3% 24
2025
Q2 		$67.7M Sell
994,560
-46,058
-4% -$2.9M 1.02% 32
2025
Q1 		$62.3M Sell
1,040,618
-236,286
-19% -$14.3M 1.1% 35
2024
Q4 		$72.4M Buy
1,276,904
+159,396
+14% +$8.5M 1.3% 29
2024
Q3 		$61M Buy
1,117,508
+138,800
+14% +$7.05M 1.19% 29
2024
Q2 		$46.3M Buy
978,708
+499,233
+104% +$25.3M 0.88% 35
2024
Q1 		$27.2M Buy
+479,475
New +$25M 0.51% 51
2020
Q4 		– Sell
-77,904
Closed -$1.74M – 797
2020
Q3 		$1.74M Sell
77,904
-63,388
-45% -$1.31M 0.03% 163
2020
Q2 		$2.54M Buy
+141,292
New +$2.03M 0.05% 135
2020
Q1 		– Sell
-97,948
Closed -$2.13M – 556
2019
Q4 		$2.13M Buy
+97,948
New +$2.05M 0.03% 255
2019
Q2 		– Sell
-2,550,280
Closed -$36.8M – 357
2019
Q1 		$36.8M Buy
2,550,280
+71,568
+3% +$968K 0.49% 37
2018
Q4 		$25.7M Buy
+2,478,712
New +$29.7M 0.38% 44

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
Select Equity Group
Select Equity Group New York $20.2B AUM 17.52% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
LP
Linonia Partnership New York $5.6B AUM 1.81% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
WPL
WINDACRE PARTNERSHIP LLC Houston, Texas $10.1B AUM 10.46% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 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

Lee Ainslie's SGI Position: Q1 2026 in Review

Lee Ainslie sold out of Somnigroup International (SGI) in Q1 2026, closing a stake of 1,141,820 shares — an estimated $102M sold.

Lee Ainslie first reported a position in SGI in Q4 2018 and held it in 13 quarters. The position peaked at $102M in Q4 2025. 527 funds tracked by Wall St. Rank hold SGI as of Q1 2026.

  • Lee Ainslie reported no remaining Somnigroup International position as of Q1 2026 after selling out during the quarter.
  • Lee Ainslie sold 1,141,820 Somnigroup International shares in Q1 2026, an estimated $102M.
  • Lee Ainslie first reported a position in Somnigroup International in Q4 2018 and held it in 13 quarters.
  • Lee Ainslie's Somnigroup International position peaked at $102M in Q4 2025.
  • 527 funds tracked by Wall St. Rank held Somnigroup International as of Q1 2026.

Based on Maverick Capital's 13F filing for Q1 2026, filed 15 May 2026.