INTL BUSINESS MACHINES CORP (IBM) Institutional Ownership Changes & 13F Activity

INTL BUSINESS MACHINES CORP (IBM) institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC 13F filings (Q1 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Sequoia Financial Advisors, Cullen Value Fund, Dodge & Cox Stock Fund, Mairs & Power Growth Fund, and Eagle Capital Management.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q2 2018Torray FundBuy432103,849$14,508
Q2 2018Eagle Capital ManagementBuy30013,751$1,921
Q1 2018Renaissance Technologies LLCSell-1,603,2001,512,000$231,986
Q1 2018Parnassus Endeavor FundSell-687,5001,000,000$153,430
Q1 2018Eagle Capital ManagementBuy13,45113,451$2,064
Q1 2018Mairs & Power Growth FundSell-5,963121,905$18,704
Q1 2018Dodge & Cox Stock FundSell-2,68883,796$12,857
Q1 2018Olstein Capital ManagementBuy2,00059,000$9,052
Q1 2018Gardner Russo & QuinnSell-1,4156,173$947
Q1 2018Torray FundBuy1,264103,417$15,867
Q1 2018Sequoia Financial AdvisorsSell-1,2088,336$1,279
Q1 2018Matrix Advisors Value FundBuy21921,851$3,353
Q4 2017Berkshire HathawaySell-34,978,6532,048,045$314,211
Q4 2017Renaissance Technologies LLCBuy2,007,5133,115,200$477,934
Q4 2017Parnassus Endeavor FundBuy50,0001,687,500$258,896
Q4 2017Mairs & Power Growth FundSell-43,224127,868$19,618
Q4 2017Fairfax Financial HoldingsSell-15,500265,700$40,764
Q4 2017Olstein Capital ManagementBuy15,00057,000$8,745
Q4 2017ARK InvestSell-4,222366$56
Q4 2017Dodge & Cox Stock FundSell-3,57386,484$13,268
Q4 2017Torray FundSell-1,716102,153$15,672
Q4 2017Gardner Russo & QuinnSell-5967,588$1,164
Q4 2017Matrix Advisors Value FundBuy54421,632$3,319
Q4 2017Sequoia Financial AdvisorsBuy1719,544$1,464
Q4 2017Ariel Appreciation FundSell-1846,946$7,202
Q3 2017Berkshire HathawaySell-17,057,97537,026,698$5,371,833
Q3 2017Renaissance Technologies LLCSell-1,612,6131,107,687$160,703
Q3 2017Fairfax Financial HoldingsSell-380,700281,200$40,796
Q3 2017Parnassus Endeavor FundBuy25,5001,637,500$237,569
Q3 2017Olstein Capital ManagementBuy14,00042,000$6,093

Frequently asked questions about IBM activity

  • Which institutional owners are buying IBM?

    Institutional owners buying IBM 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 IBM activity?

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

  • Is institutional interest in IBM increasing?

    Institutional interest in IBM 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.