Atom Investors’s SiriusXM SIRI Stock Holding History

Atom Investors’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	–	Sell	-19,173	Closed	-$383K	–	826
2025 Q4	$383K	Buy	+19,173	New	+$412K	0.03%	415
2024 Q4	–	Sell	-15,598	Closed	-$369K	–	619
2024 Q3	$369K	Buy	+15,598	New	+$484K	0.04%	348

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

Atom Investors's SIRI Position: Q1 2026 in Review

Atom Investors sold out of SiriusXM (SIRI) in Q1 2026, closing a stake of 19,173 shares — an estimated $383K sold.

Atom Investors first reported a position in SIRI in Q3 2024 and held it in 2 quarters. The position peaked at $383K in Q4 2025. 559 funds tracked by Wall St. Rank hold SIRI as of Q1 2026.

Atom Investors reported no remaining SiriusXM position as of Q1 2026 after selling out during the quarter.
Atom Investors sold 19,173 SiriusXM shares in Q1 2026, an estimated $383K.
Atom Investors first reported a position in SiriusXM in Q3 2024 and held it in 2 quarters.
Atom Investors's SiriusXM position peaked at $383K in Q4 2025.
559 funds tracked by Wall St. Rank held SiriusXM as of Q1 2026.

Based on Atom Investors's 13F filing for Q1 2026, filed 15 May 2026.