HI
SIRI icon

HBK Investments’s SiriusXM SIRI Stock Holding History

HBK Investments’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 		$25.1M Sell
848,845
-315,358
-27% -$8.47M 0.24% 45
2026
Q1 		$26.9M Sell
1,164,203
-520,801
-31% -$11.2M 0.27% 42
2025
Q4 		$33.7M Buy
+1,685,004
New +$36.2M 0.26% 45
2025
Q3 		– Sell
-157,904
Closed -$3.65M – 284
2025
Q2 		$3.63M Sell
157,904
-484,181
-75% -$10.4M 0.05% 130
2025
Q1 		$14.5M Sell
642,085
-264,581
-29% -$6.23M 0.2% 68
2024
Q4 		$20.7M Buy
906,666
+36,695
+4% +$936K 0.26% 57
2024
Q3 		$20.6M Buy
869,971
+628,340
+260% +$19.5M 0.23% 52
2024
Q2 		$6.84M Buy
+241,631
New +$7.22M 0.03% 77
2022
Q3 		– Sell
-80,000
Closed -$4.9M – 505
2022
Q2 		$4.9M Buy
80,000
+19,140
+31% +$1.19M 0.03% 225
2022
Q1 		$4.03M Buy
+60,860
New +$3.83M 0.02% 294
2020
Q1 		– Sell
-26,834
Closed -$1.92M – 439
2019
Q4 		$1.92M Buy
+26,834
New +$1.81M 0.02% 441
2018
Q3 		– Sell
-4,968
Closed -$346K – 1333
2018
Q2 		$336K Buy
+4,968
New +$336K ﹤0.01% 890
2016
Q1 		– Sell
-25,660
Closed -$1.04M – 1099
2015
Q4 		$1.04M Buy
25,660
+23,060
+887% +$932K 0.01% 563
2015
Q3 		$97K Buy
+2,600
New +$99.6K ﹤0.01% 972

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 $3.38T AUM 44.17% 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

HBK Investments's SIRI Position: Q2 2026 in Review

HBK Investments reduced its SiriusXM (SIRI) stake by 27% in Q2 2026, selling an estimated $8.47M and leaving 848,845 shares worth $25.1M. The position accounts for 0.24% of the portfolio, ranked #45.

HBK Investments first reported a position in SIRI in Q3 2015 and has held it in 14 quarters since. The position peaked at $33.7M in Q4 2025. 602 funds tracked by Wall St. Rank hold SIRI as of Q2 2026.

  • HBK Investments held 848,845 shares of SiriusXM worth $25.1M as of Q2 2026.
  • HBK Investments sold 315,358 SiriusXM shares in Q2 2026, an estimated $8.47M.
  • SiriusXM made up 0.24% of HBK Investments's portfolio in Q2 2026, its #45 holding.
  • HBK Investments first reported a position in SiriusXM in Q3 2015 and has held it in 14 quarters since.
  • HBK Investments's SiriusXM position peaked at $33.7M in Q4 2025.
  • 602 funds tracked by Wall St. Rank held SiriusXM as of Q2 2026.

Based on HBK Investments's 13F filing for Q2 2026, filed 14 Aug 2026.