Sirius XM Ownership | Who Owns Sirius XM?


OverviewForecastRevenueFinancialsChartTranscripts

Sirius XM Ownership Summary


Sirius XM is owned by 12.01% institutional investors, 45.81% insiders, and 42.18% 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


TypeName% Inst% Insiders% Retail
StockSirius XM12.01%45.81%42.18%
SectorCommunication Services Stocks 31.39%16.65%51.96%
IndustryEntertainment Stocks 35.12%18.56%46.32%

Institutional Shareholders


Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Berkshire hathaway124.81M36.93%$2.90B
Vanguard group18.68M5.53%$434.70M
Blackrock funding, inc. /de8.66M2.56%$201.59M
Kontiki capital management (hk)6.65M1.97%$154.88M
Geode capital management3.86M1.14%$89.81M
State street3.46M1.02%$80.57M
Lsv asset management3.14M0.93%$73.15M
Ameriprise financial2.64M0.78%$61.34B
Blackrock28.07M0.73%$79.45M
Thompson siegel & walmsley2.44M0.72%$56.87M

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
Bardin hill management partners lp1.25M14.40%$35.46M
Bislett management743.31K12.53%$17.30M
Wittenberg investment management1.11M10.29%$25.95M
Doma perpetual capital management1.16M9.05%$26.96M
Kontiki capital management (hk)6.65M8.24%$154.88M
Chou associates management702.46K7.87%$16.35M
Swisspartners advisors366.84K7.03%$8.56M
Towerview335.30K5.68%$7.80M
Hi-line capital management535.84K3.94%$12.47M
Hall kathryn a.262.03K3.29%$6.10M

Top Buyers

HolderShares% AssetsChange
Berkshire hathaway124.81M1.09%5.03M
Susquehanna group, llp5.92M0.00%4.91M
Canada pension plan investment board1.63M0.03%1.51M
Two sigma investments, lp1.93M0.07%1.41M
Bardin hill management partners lp1.25M14.40%1.24M

Top Sellers

HolderShares% AssetsChange
Blackrock28.07M0.00%-15.71M
Proshare advisors---3.75M
Impactive capital lp---3.49M
Senvest management---3.14M
Greenland capital management lp---3.08M

New Positions

HolderShares% AssetsChangeValue
Norges bank1.01M0.00%1.01M$2.85M
Jump financial535.12K0.15%535.12K$12.45M
Allianz asset management gmbh267.11K0.01%267.11K$6.22B
Bridgewater associates, lp226.99K0.02%226.99K$5.28M
Edgestream partners175.98K0.12%175.98K$4.10M

Sold Out

HolderChange
Grove bank & trust-1.00
Hallmark capital management-1.00
Rakuten securities-2.00
Tfo-tdc-5.00
Twin peaks wealth advisors-5.00

Institutional Ownership Trends


DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
Sep 30, 2025261-54.92%40,594,235-83.49%120.23%89-61.47%74-56.21%
Jun 30, 2025571-3.22%244,369,3060.94%721.42%226-12.40%167-2.34%
Mar 31, 2025587-3.45%246,422,132-2.78%721.29%254-13.31%172-2.27%
Dec 31, 20249-52.63%168,101-81.87%-66.29%4-33.33%--100.00%
Sep 30, 202418-97.05%864,582-99.80%-0.19%6-97.67%9-95.00%

Top Mutual Funds Shareholders


HolderShares% HoldingChange
Vanguard US Total Market Shares ETF6.97M2.06%6.23M
Vanguard Total Stock Mkt Idx Inv5.86M1.74%-123.25K
Vanguard Small Cap Index4.51M1.34%-30.38K
Vanguard Small Cap Value Index Inv2.91M0.86%9.32K
Vanguard Institutional Extnd Mkt Idx Tr2.36M0.70%-1.03M
FullerThaler Behavioral Small-Cap Growth1.94M0.57%1.94M
Smead Value Investor1.93M0.57%-85.57K
Smead US Value Composite1.93M0.57%-91.82K
FullerThaler Behavioral Sm-Cp Gr R61.92M0.57%-
Strategic Advisers U.S. Total Stock{mg}1.68M0.50%1.68M

Recent Insider Transactions


DateNameRoleActivityValue
Aug 04, 2025BERKSHIRE HATHAWAY INC-Buy$22.43M
Aug 01, 2025BERKSHIRE HATHAWAY INC-Buy$40.57M
Aug 01, 2025BERKSHIRE HATHAWAY INC-Buy$40.57M
Jul 31, 2025BERKSHIRE HATHAWAY INC-Buy$1.83M
Aug 04, 2025BERKSHIRE HATHAWAY INC-Buy$22.43M

Insider Transactions Trends


DateBuySell
2025 Q38-
2025 Q14-
2024 Q415-
2024 Q3--
2023 Q4--

SIRI Ownership FAQ


Who Owns Sirius XM?

Sirius XM shareholders are primarily institutional investors at 12.01%, followed by 45.81% insiders and 42.18% retail investors. The average institutional ownership in Sirius XM's industry, Entertainment Stocks , is 35.12%, 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 (18.68M shares, 5.53%), and Blackrock funding, inc. /de (8.66M shares, 2.56%). Together, they hold 45.01% of Sirius XM’s total shares outstanding.

Does Blackrock own Sirius XM?

Yes, BlackRock owns 0.73% of Sirius XM, totaling 28.07M shares as of Jun 2024. This represents 0.00% of BlackRock's total assets, with a market value of 79.45M$. In the last quarter, BlackRock decreased its holdings by -15.715M shares, a -35.89% change.

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