Avenir Corporation’s SiriusXM SIRI Stock Holding History

Avenir Corporation’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	$207K	Buy	+7,000	New	+$188K	0.03%	76
2024 Q3	–	Sell	-1,000	Closed	-$28.3K	–	71
2024 Q2	$28.3K	Hold	1,000	–	–	﹤0.01%	67
2024 Q1	$38.8K	Hold	1,000	–	–	﹤0.01%	66
2023 Q4	$54.7K	Buy	+1,000	New	+$48K	﹤0.01%	62
2018 Q1	–	Sell	-1,694	Closed	-$91K	–	67
2017 Q4	$91K	Hold	1,694	–	–	0.01%	66
2017 Q3	$94K	Hold	1,694	–	–	0.01%	66
2017 Q2	$93K	Hold	1,694	–	–	0.01%	70
2017 Q1	$87K	Hold	1,694	–	–	0.01%	68
2016 Q4	$75K	Hold	1,694	–	–	0.01%	68
2016 Q3	$71K	Hold	1,694	–	–	0.01%	67
2016 Q2	$67K	Hold	1,694	–	–	0.01%	66
2016 Q1	$67K	Hold	1,694	–	–	0.01%	65
2015 Q4	$69K	Hold	1,694	–	–	0.01%	71
2015 Q3	$63K	Sell	1,694 -12,650	-88%	-$485K	0.01%	60
2015 Q2	$535K	Hold	14,344	–	–	0.04%	48
2015 Q1	$548K	Hold	14,344	–	–	0.04%	46
2014 Q4	$502K	Hold	14,344	–	–	0.04%	49
2014 Q3	$501K	Hold	14,344	–	–	0.04%	51
2014 Q2	$496K	Sell	14,344 -74,681	-84%	-$2.43M	0.04%	57
2014 Q1	$2.85M	Sell	89,025 -870	-1%	-$30.8K	0.25%	35
2013 Q4	$3.14M	Buy	89,895 +200	+0.2%	+$7.47K	0.28%	35
2013 Q3	$3.48M	Sell	89,695 -14,690	-14%	-$547K	0.34%	34
2013 Q2	$3.5M	Buy	+104,385	New	+$3.43M	0.36%	33

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

Avenir Corporation's SIRI Position: Q2 2026 in Review

Avenir Corporation opened a new position in SiriusXM (SIRI) in Q2 2026: 7,000 shares worth $207K. The stake represents 0.03% of the portfolio and ranks #76 among its holdings. This is a return to the name: Avenir Corporation previously reported a position in SIRI as recently as Q2 2024.

Avenir Corporation first reported a position in SIRI in Q2 2013 and has held it in 23 quarters since. The position peaked at $3.5M in Q2 2013. 598 funds tracked by Wall St. Rank hold SIRI as of Q2 2026.

Avenir Corporation held 7,000 shares of SiriusXM worth $207K as of Q2 2026.
SiriusXM was a new Avenir Corporation position in Q2 2026.
SiriusXM made up 0.03% of Avenir Corporation's portfolio in Q2 2026, its #76 holding.
Avenir Corporation first reported a position in SiriusXM in Q2 2013 and has held it in 23 quarters since.
Avenir Corporation's SiriusXM position peaked at $3.5M in Q2 2013.
598 funds tracked by Wall St. Rank held SiriusXM as of Q2 2026.

Based on Avenir Corporation's 13F filing for Q2 2026, filed 13 Aug 2026.