Sirius XM Ownership | Who Owns Sirius XM?

Overview Forecast RevenueFinancials Chart Transcripts

Sirius XM Ownership Summary

Sirius XM is owned by 10.61% institutional investors, 46.25% insiders, and 43.15% retail investors. Berkshire hathaway is the largest institutional shareholder, holding 36.93% of SIRI shares. Vanguard US Total Market Shares ETF is the top mutual fund, with 2.06% of its assets in Sirius XM shares.

SIRI Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Sirius XM	10.61%	46.25%	43.15%
Sector	Communication Services Stocks	28.49%	16.18%	55.33%
Industry	Entertainment Stocks	25.42%	18.84%	55.75%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Berkshire hathaway	124.81M	36.93%	$2.90B
Vanguard group	18.32M	5.42%	$366.32M
Blackrock funding, inc. /de	10.05M	2.97%	$200.97M
Kontiki capital management (hk)	5.97M	1.78%	$119.33M
Geode capital management	3.69M	1.09%	$73.82M
State street	3.46M	1.02%	$80.57M
Goldman sachs group	3.28M	0.97%	$65.50M
Lsv asset management	3.07M	0.91%	$61.45M
Check capital management inc/ca	2.88M	0.85%	$57.66M
Norges bank	2.86M	0.85%	$57.12M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Bardin hill management partners lp	1.25M	14.40%	$35.46M
Bislett management	743.31K	12.53%	$17.30M
Wittenberg investment management	1.11M	10.29%	$25.95M
Doma perpetual capital management	1.16M	9.05%	$26.96M
Chou associates management	702.46K	7.87%	$16.35M
Kontiki capital management (hk)	5.97M	6.94%	$119.33M
Swisspartners advisors	389.98K	5.65%	$7.79M
Towerview	335.30K	4.86%	$6.70M
Hi-line capital management	552.05K	3.67%	$11.04M
Hall kathryn a.	262.03K	3.29%	$6.10M

Top Buyers

Holder	Shares	% Assets	Change
Berkshire hathaway	124.81M	1.09%	5.03M
Susquehanna group, llp	5.92M	0.00%	4.91M
Norges bank	2.86M	0.01%	2.86M
Goldman sachs group	3.28M	0.01%	1.99M
Canada pension plan investment board	1.63M	0.03%	1.51M

Top Sellers

Holder	Shares	% Assets	Change
Blackrock	28.07M	0.00%	-15.71M
Proshare advisors	-	-	-3.75M
Impactive capital lp	-	-	-3.49M
Senvest management	-	-	-3.14M
Greenland capital management lp	-	-	-3.08M

New Positions

Holder	Shares	% Assets	Change	Value
Norges bank	2.86M	0.01%	2.86M	$57.12M
Jump financial	535.12K	0.15%	535.12K	$12.45M
Bridgewater associates, lp	226.99K	0.02%	226.99K	$5.28M
Maverick capital	150.25K	0.05%	150.25K	$3.50M
Mirae asset global etfs	145.81K	0.01%	145.81K	$3.39M

Sold Out

Holder	Change
Annis gardner whiting capital advisors	-1.00
Grove bank & trust	-1.00
Hallmark capital management	-1.00
Rakuten securities	-2.00
Tfo-tdc	-5.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Dec 31, 2025	209	-63.78%	35,845,507	-85.26%	10	0.20%	71	-67.43%	53	-69.36%
Sep 30, 2025	261	-54.92%	40,594,235	-83.49%	12	0.23%	89	-61.47%	74	-56.21%
Jun 30, 2025	571	-3.22%	244,369,306	0.94%	72	1.42%	226	-12.40%	167	-2.34%
Mar 31, 2025	587	-3.45%	246,422,132	-2.78%	72	1.29%	254	-13.31%	172	-2.27%
Dec 31, 2024	9	-52.63%	168,101	-81.87%	-	66.29%	4	-33.33%	-	-100.00%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Vanguard US Total Market Shares ETF	6.97M	2.06%	6.23M
Vanguard Total Stock Mkt Idx Inv	5.84M	1.74%	14.03K
Vanguard Small Cap Index	4.19M	1.25%	507.00
Vanguard Small Cap Value Index Inv	2.69M	0.80%	-20.77K
Vanguard Institutional Extnd Mkt Idx Tr	2.03M	0.61%	5.55K
FullerThaler Behavioral Small-Cap Growth	1.94M	0.57%	1.94M
Smead Value Investor	1.93M	0.57%	-85.57K
Smead US Value Composite	1.93M	0.57%	-91.82K
FullerThaler Behavioral Sm-Cp Gr R6	1.92M	0.57%	-
Strategic Advisers U.S. Total Stock{mg}	1.68M	0.50%	1.68M

Recent Insider Transactions

Date	Name	Role	Activity	Value
Aug 04, 2025	BERKSHIRE HATHAWAY INC	-	Buy	$22.43M
Aug 01, 2025	BERKSHIRE HATHAWAY INC	-	Buy	$40.57M
Aug 01, 2025	BERKSHIRE HATHAWAY INC	-	Buy	$40.57M
Jul 31, 2025	BERKSHIRE HATHAWAY INC	-	Buy	$1.83M
Aug 04, 2025	BERKSHIRE HATHAWAY INC	-	Buy	$22.43M

Insider Transactions Trends

Date	Buy	Sell
2025 Q3	8	-
2025 Q1	4	-
2024 Q4	15	-
2024 Q3	-	-
2023 Q4	-	-

SIRI Ownership FAQ

Who Owns Sirius XM?

Sirius XM shareholders are primarily institutional investors at 10.61%, followed by 46.25% insiders and 43.14% retail investors. The average institutional ownership in Sirius XM's industry, Entertainment Stocks , is 25.42%, which Sirius XM falls below.

Who owns the most shares of Sirius XM?

Sirius XM’s largest shareholders are Berkshire hathaway (124.81M shares, 36.93%), Vanguard group (18.32M shares, 5.42%), and Blackrock funding, inc. /de (10.05M shares, 2.97%). Together, they hold 45.32% of Sirius XM’s total shares outstanding.

Does Blackrock own Sirius XM?

BlackRock is not among the top 10 institutional shareholders of Sirius XM.

Who is Sirius XM’s biggest shareholder by percentage of total assets invested?

Bardin hill management partners lp is Sirius XM’s biggest shareholder by percentage of total assets invested, with 14.40% of its assets in 1.25M Sirius XM shares, valued at 35.46M$.

Who is the top mutual fund holder of Sirius XM shares?

Vanguard US Total Market Shares ETF is the top mutual fund holder of Sirius XM shares, with 2.06% of its total shares outstanding invested in 6.97M Sirius XM shares.

Try Tickergate Pro Free

Customize Everything. 100% Flexibility. Fast and Easy to Use (No code or Excel Needed)

Customize your own personal stocks lists, views and charts
Choose from hundreds of fields, up to 15 years of history
Conduct deep comparison analysis

Discover trending investment themes
Find your next best investment
Research stocks using tools