INTL BUSINESS MACHINES CORP (IBM) Stock Institutional Trading Activity


INTL BUSINESS MACHINES CORP (IBM) 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 Eagle Capital Management, Kahn Brothers Group, Cullen Value Fund, Mairs & Power Growth Fund, and Matrix Advisors Value Fund. 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
Q1 2016Dodge & Cox Stock FundSell-2,232101,680$15,399
Q1 2016Mairs & Power Growth FundBuy835198,907$30,124
Q1 2016Kahn Brothers GroupBuy2007,358$1,114,369
Q1 2016Jensen Investment ManagementBuy502,990$453
Q1 2016Matrix Advisors Value FundBuy33015,675$2,374
Q1 2016Ariel Appreciation FundBuy1,41055,310$8,377
Q1 2016Sequoia Financial AdvisorsSell-3,2661,147$7,571
Q1 2016Berkshire HathawayBuy198,85381,232,303$12,302,631
Q1 2016Tweedy, Browne Co All Funds (US)Buy73,690409,100$61,958
Q1 2016Torray FundBuy60590,266$13,671
Q4 2015Gardner Russo & QuinnSell-1569,134$1,257
Q4 2015Dodge & Cox Stock FundSell-1,783103,912$14,300
Q4 2015Mairs & Power Growth FundSell-6,017198,072$27,259
Q4 2015Jensen Investment ManagementSell-402,940$405
Q4 2015Matrix Advisors Value FundBuy58515,345$2,112
Q4 2015Ariel Appreciation FundSell-2,11253,900$7,418
Q4 2015Parnassus Endeavor FundBuy100,000710,000$97,710
Q4 2015Sequoia Financial AdvisorsSell-8104,413$708
Q4 2015Fairholme Capital ManagementSell-706,50047,900$6,592
Q4 2015Scion Asset ManagementBuy50,00050,000$6,881
Q4 2015Tweedy, Browne Co All Funds (US)Buy20,200335,410$46,159
Q4 2015Torray FundSell-45089,661$12,339
Q4 2015Giverny CapitalSell-63396,001$13,212
Q4 2015Fairfax Financial HoldingsSell-6001,362,500$187,507
Q3 2015Gardner Russo & QuinnSell-2349,290$1,347
Q3 2015Dodge & Cox Stock FundSell-6,957105,695$15,323
Q3 2015Mairs & Power Growth FundSell-12,091204,089$29,587
Q3 2015Jensen Investment ManagementBuy602,980$432
Q3 2015Matrix Advisors Value FundBuy67314,760$2,140
Q3 2015Ariel Appreciation FundBuy1,19056,012$8,120

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.