S&CO Inc’s SiriusXM SIRI Stock Holding History

S&CO Inc’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	$13.4M	Sell	581,427 -120,015	-17%	-$2.58M	0.83%	29
2025 Q4	$14M	Sell	701,442 -10,027	-1%	-$216K	0.87%	30
2025 Q3	$16.6M	Sell	711,469 -6,548	-0.9%	-$151K	1.01%	25
2025 Q2	$16.5M	Sell	718,017 -48,356	-6%	-$1.04M	1.06%	24
2025 Q1	$17.3M	Sell	766,373 -13,897	-2%	-$327K	1.16%	22
2024 Q4	$17.8M	Buy	780,270 +1,215	+0.2%	+$31K	1.21%	22
2024 Q3	$18.4M	Buy	+779,055	New	+$24.2M	1.2%	22

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

S&CO Inc's SIRI Position: Q1 2026 in Review

S&CO Inc reduced its SiriusXM (SIRI) stake by 17% in Q1 2026, selling an estimated $2.58M and leaving 581,427 shares worth $13.4M. The position accounts for 0.83% of the portfolio, ranked #29.

S&CO Inc first reported a position in SIRI in Q3 2024 and has held it in 7 quarters since. The position peaked at $18.4M in Q3 2024. 559 funds tracked by Wall St. Rank hold SIRI as of Q1 2026.

S&CO Inc held 581,427 shares of SiriusXM worth $13.4M as of Q1 2026.
S&CO Inc sold 120,015 SiriusXM shares in Q1 2026, an estimated $2.58M.
SiriusXM made up 0.83% of S&CO Inc's portfolio in Q1 2026, its #29 holding.
S&CO Inc first reported a position in SiriusXM in Q3 2024 and has held it in 7 quarters since.
S&CO Inc's SiriusXM position peaked at $18.4M in Q3 2024.
559 funds tracked by Wall St. Rank held SiriusXM as of Q1 2026.

Based on S&CO Inc's 13F filing for Q1 2026, filed 7 May 2026.