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Lee Ainslie’s SiriusXM SIRI Stock Holding History

Lee Ainslie’s Portfolio SIRI Stock Details SIRI Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		– Sell
-31,602
Closed -$729K – 292
2026
Q1 		$729K Sell
31,602
-216,989
-87% -$4.66M 0.01% 175
2025
Q4 		$4.97M Buy
248,591
+98,338
+65% +$2.11M 0.05% 68
2025
Q3 		$3.5M Buy
+150,253
New +$3.48M 0.05% 109
2024
Q4 		– Sell
-47,926
Closed -$1.13M – 284
2024
Q3 		$1.13M Buy
+47,926
New +$1.49M 0.02% 194
2024
Q1 		– Sell
-7,109
Closed -$389K – 531
2023
Q4 		$389K Buy
7,109
+3,939
+124% +$189K 0.01% 239
2023
Q3 		$143K Buy
+3,170
New +$147K ﹤0.01% 290
2021
Q4 		– Sell
-25,212
Closed -$1.54M – 589
2021
Q3 		$1.54M Buy
+25,212
New +$1.58M 0.02% 209
2021
Q2 		– Sell
-9,362
Closed -$570K – 830
2021
Q1 		$570K Buy
9,362
+8,094
+638% +$493K 0.01% 374
2020
Q4 		$81K Sell
1,268
-12,705
-91% -$780K ﹤0.01% 600
2020
Q3 		$749K Buy
13,973
+4,751
+52% +$272K 0.01% 349
2020
Q2 		$541K Buy
+9,222
New +$517K 0.01% 434

Other funds holding SIRI

Berkshire Hathaway
Berkshire Hathaway Omaha, Nebraska $299B AUM 27.55% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
KCMH
Kontiki Capital Management (HK) Hong Kong $1.52B AUM 10.48% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
CCM
Check Capital Management Costa Mesa, California $7.52B AUM 15.3% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return
GCM
Gates Capital Management New York $4.16B AUM 21% 1-Year Est. Return

Lee Ainslie's SIRI Position: Q2 2026 in Review

Lee Ainslie sold out of SiriusXM (SIRI) in Q2 2026, closing a stake of 31,602 shares — an estimated $729K sold.

Lee Ainslie first reported a position in SIRI in Q2 2020 and held it in 11 quarters. The position peaked at $4.97M in Q4 2025. 594 funds tracked by Wall St. Rank hold SIRI as of Q2 2026.

  • Lee Ainslie reported no remaining SiriusXM position as of Q2 2026 after selling out during the quarter.
  • Lee Ainslie sold 31,602 SiriusXM shares in Q2 2026, an estimated $729K.
  • Lee Ainslie first reported a position in SiriusXM in Q2 2020 and held it in 11 quarters.
  • Lee Ainslie's SiriusXM position peaked at $4.97M in Q4 2025.
  • 594 funds tracked by Wall St. Rank held SiriusXM as of Q2 2026.

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