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 Q1	$16.7M	Buy	721,600 +436,500	+153%	+$9.38M	0.17%	64
2025 Q4	$5.7M	Sell	285,100 -750,100	-72%	-$16.1M	0.04%	121
2025 Q3	$24.1M	Buy	1,035,200 +97,600	+10%	+$2.26M	0.26%	60
2025 Q2	$21.5M	Buy	937,600 +745,500	+388%	+$16M	0.46%	46
2025 Q1	$4.33M	Sell	192,100 -177,000	-48%	-$4.17M	0.06%	115
2024 Q4	$8.42M	Buy	+369,100	New	+$9.41M	0.11%	94
2015 Q1	–	Sell	-61,000	Closed	-$2.13M	–	1141
2014 Q4	$2.13M	Sell	61,000 -119,000	-66%	-$4.1M	0.03%	374
2014 Q3	$6.28M	Hold	180,000	–	–	0.1%	170
2014 Q2	$6.23M	Sell	180,000 -20,000	-10%	-$651K	0.13%	151
2014 Q1	$6.4M	Hold	200,000	–	–	0.12%	135
2013 Q4	$6.98M	Hold	200,000	–	–	0.13%	104
2013 Q3	$7.75M	Sell	200,000 -47,450	-19%	-$1.77M	0.11%	96
2013 Q2	$8.29M	Buy	+247,450	New	+$8.14M	0.13%	85

Other funds holding SIRI

Berkshire Hathaway Omaha, Nebraska $263B AUM 16.68% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

KCMH

Kontiki Capital Management (HK) Hong Kong $1.43B AUM 9.81% 1-Year Est. Return

Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return

Canada Pension Plan Investment Board Toronto Ontario, Ontario, Canada $155B AUM 29.93% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

HBK Investments's SIRI Position: Q1 2026 in Review

HBK Investments reduced its SiriusXM (SIRI) stake by 31% in Q1 2026, selling an estimated $11.2M and leaving 1,164,203 shares worth $26.9M. The position accounts for 0.27% of the portfolio, ranked #42.

HBK Investments first reported a position in SIRI in Q3 2015 and has held it in 13 quarters since. The position peaked at $33.7M in Q4 2025. 560 funds tracked by Wall St. Rank hold SIRI as of Q1 2026.

HBK Investments held 1,164,203 shares of SiriusXM worth $26.9M as of Q1 2026.
HBK Investments sold 520,801 SiriusXM shares in Q1 2026, an estimated $11.2M.
SiriusXM made up 0.27% of HBK Investments's portfolio in Q1 2026, its #42 holding.
HBK Investments first reported a position in SiriusXM in Q3 2015 and has held it in 13 quarters since.
HBK Investments's SiriusXM position peaked at $33.7M in Q4 2025.
560 funds tracked by Wall St. Rank held SiriusXM as of Q1 2026.

Based on HBK Investments's 13F filing for Q1 2026, filed 15 May 2026.