SiriusXM Holdings Inc (SIRI) Stock Institutional Trading Activity


SiriusXM Holdings Inc (SIRI) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Chou Associates Management, Tweedy, Browne Co All Funds (US), Berkshire Hathaway, Sequoia Financial Advisors, and Hancock Classic Value. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.

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Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q4 2025Tweedy, Browne Co All Funds (US)Buy4,32030,120$602,249
Q4 2025Chou Associates ManagementSell-292,873409,589$8,189,733
Q3 2025Tweedy, Browne Co All Funds (US)Buy13,24025,800$600,495
Q3 2025Berkshire HathawayBuy5,030,425124,807,117$2,904,885,649
Q3 2025Sequoia Financial AdvisorsBuy21914,684$341,766
Q2 2025Tweedy, Browne Co All Funds (US)Buy12,56012,560$288,503
Q2 2025Sequoia Financial AdvisorsBuy16714,465$332,268
Q1 2025Berkshire HathawayBuy2,308,119119,776,692$2,700,365,521
Q1 2025Sequoia Financial AdvisorsSell-1,99914,298$322,354
Q1 2025Chou Associates ManagementBuy689,872702,462$15,837,007
Q4 2024Berkshire HathawayBuy12,313,544117,468,573$2,678,283,465
Q4 2024Chou Associates ManagementSell-11,09612,590$287,049
Q4 2024Sequoia Financial AdvisorsSell-14,25216,297$371,567
Q3 2024Chou Associates ManagementBuy23,68623,686$560,171
Q3 2024Berkshire HathawaySell-27,723,184105,155,029$2,486,916,437
Q2 2024Sequoia Financial AdvisorsSell-25,33230,549$86,455
Q2 2024Berkshire HathawayBuy96,196,301132,878,213$376,045,343
Q1 2024Sequoia Financial AdvisorsSell-4,08155,881$216,820
Q1 2024Berkshire HathawaySell-3,561,14636,681,912$142,325,819
Q4 2023Sequoia Financial AdvisorsBuy3,74659,962$327,992
Q4 2023Berkshire HathawayBuy30,559,83440,243,058$220,129,527
Q3 2023Sequoia Financial AdvisorsBuy1,16256,216$254,096
Q3 2023Berkshire HathawaySell-33,975,5769,683,224$43,768,172
Q2 2023Sequoia Financial AdvisorsBuy21,89555,054$249,397
Q2 2023Hancock Classic ValueSell-4,85833,806$153,141
Q1 2023Sequoia Financial AdvisorsBuy83833,159$131,640
Q1 2023Hancock Classic ValueSell-15,37738,664$153,496
Q4 2022Renaissance Technologies LLCSell-323,1611,948,142$11,377
Q4 2022Sequoia Financial AdvisorsBuy1,60132,321$188,756
Q4 2022Hancock Classic ValueBuy33,32654,041$315,599

Frequently asked questions about SIRI activity

  • Which institutional owners are buying SIRI?

    Institutional owners buying SIRI include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in SIRI activity?

    "Buy" means an investor increased their reported position in SIRI compared to the prior reporting period. This reflects growing exposure to SiriusXM Holdings Inc (SIRI) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in SIRI increasing?

    Institutional interest in SIRI can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.