Bislett Management’s SiriusXM SIRI Stock Holding History

Bislett Management’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	$17.7M	Hold	600,000	–	–	12.01%	3
2026 Q1	$13.8M	Hold	600,000	–	–	10.68%	4
2025 Q4	$12M	Sell	600,000 -143,306	-19%	-$3.08M	9.1%	4
2025 Q3	$17.3M	Sell	743,306 -30,003	-4%	-$694K	12.53%	3
2025 Q2	$17.8M	Sell	773,309 -41,874	-5%	-$901K	12.15%	3
2025 Q1	$18.4M	Sell	815,183 -4,779	-0.6%	-$113K	13.01%	3
2024 Q4	$18.7M	Sell	819,962 -80,038	-9%	-$2.04M	13.23%	3
2024 Q3	$21.3M	Buy	900,000 +860,000	+2,150%	+$26.7M	14.25%	3
2024 Q2	$1.13M	Hold	40,000	–	–	0.81%	15
2024 Q1	$1.55M	Hold	40,000	–	–	0.97%	15
2023 Q4	$2.19M	Sell	40,000 -10,000	-20%	-$480K	1.4%	15
2023 Q3	$2.26M	Buy	+50,000	New	+$2.32M	1.59%	15

Other funds holding SIRI

Berkshire Hathaway Omaha, Nebraska $299B AUM 27.55% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

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 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, Massachusetts $113B AUM 38.87% 1-Year Est. Return

GCM

Gates Capital Management New York $4.16B AUM 21% 1-Year Est. Return

Bislett Management's SIRI Position: Q2 2026 in Review

Bislett Management held its SiriusXM (SIRI) position steady in Q2 2026 at 600,000 shares worth $17.7M. The position accounts for 12.01% of the portfolio, ranked #3.

Bislett Management first reported a position in SIRI in Q3 2023 and has held it in 12 quarters since. The position peaked at $21.3M in Q3 2024. 600 funds tracked by Wall St. Rank hold SIRI as of Q2 2026.

Bislett Management held 600,000 shares of SiriusXM worth $17.7M as of Q2 2026.
Bislett Management left its SiriusXM share count unchanged in Q2 2026.
SiriusXM made up 12.01% of Bislett Management's portfolio in Q2 2026, its #3 holding.
Bislett Management first reported a position in SiriusXM in Q3 2023 and has held it in 12 quarters since.
Bislett Management's SiriusXM position peaked at $21.3M in Q3 2024.
600 funds tracked by Wall St. Rank held SiriusXM as of Q2 2026.

Based on Bislett Management's 13F filing for Q2 2026, filed 11 Aug 2026.