SiriusXM Holdings Inc (SIRI) Institutional Ownership Changes & 13F Activity

SiriusXM Holdings Inc (SIRI). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings. This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Tweedy, Browne Co All Funds (US), Sequoia Financial Advisors, Chou Associates Management, Berkshire Hathaway, and Hancock Classic Value.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q2 2019Renaissance Technologies LLCSell-12,620,540874,663$4,881
Q1 2019Renaissance Technologies LLCBuy7,794,10313,495,203$76,518
Q1 2019Sequoia Financial AdvisorsBuy87511,000$62
Q4 2018Renaissance Technologies LLCSell-2,805,4005,701,100$32,553
Q4 2018Sequoia Financial AdvisorsBuy12510,125$58
Q3 2018Renaissance Technologies LLCBuy8,058,4008,506,500$53,761
Q1 2018Renaissance Technologies LLCSell-324,100448,100$2,796
Q1 2018Sequoia Financial AdvisorsSell-1,80010,000$62
Q4 2017Renaissance Technologies LLCSell-3,279,819772,200$4,139
Q3 2017Renaissance Technologies LLCSell-793,7814,052,019$22,367
Q2 2017Berkshire HathawaySell-34,409,624137,915,729$754,399
Q2 2017Renaissance Technologies LLCSell-21,100,1004,845,800$26,507
Q1 2017Berkshire HathawayBuy5,685,412172,325,353$887,476
Q1 2017Renaissance Technologies LLCSell-5,028,10025,945,900$133,621
Q4 2016Berkshire HathawayBuy166,639,941166,639,941$741,547
Q4 2016Renaissance Technologies LLCSell-20,063,50030,974,000$137,834
Q3 2016Renaissance Technologies LLCBuy22,211,40051,037,500$212,826
Q3 2016Sequoia Financial AdvisorsSell-83011,800$49
Q2 2016Renaissance Technologies LLCBuy13,609,10028,826,100$113,863
Q2 2016Sequoia Financial AdvisorsBuy12,58312,630$50
Q1 2016Renaissance Technologies LLCSell-10,208,30015,217,000$60,107
Q1 2016Sequoia Financial AdvisorsSell-14,25347$11,800
Q4 2015Renaissance Technologies LLCBuy17,565,90025,425,300$103,481
Q4 2015Sequoia Financial AdvisorsBuy2,50014,300$50
Q3 2015Renaissance Technologies LLCSell-11,722,6207,859,400$29,394
Q3 2015Sequoia Financial AdvisorsSell-2,50011,800$44
Q2 2015Renaissance Technologies LLCBuy6,891,92019,582,020$73,041
Q1 2015Renaissance Technologies LLCBuy4,849,00012,690,100$48,476
Q4 2014Renaissance Technologies LLCBuy449,2447,841,100$27,444
Q4 2014Dodge & Cox Stock FundSell-30,99010,520$37

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.

Related SIRI Institutional Insights