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© 2026 DataHeimdall. All rights reserved.Data sourced from SEC EDGAR public filings.
Insider Trades

IBM

INTERNATIONAL BUSINESS MACHINES CORP

Superinvestors

Institutional investors holding IBM

Consensus →
InvestorFundWeightSharesValueQuarter
Seth KlarmanBaupost Group10.92%400,000$41.6M2002Q1
Michael BurryScion Asset Management8.61%50,000$6.9M2015Q4
Valley Forge Capital ManagementValley Forge Capital Management2.91%31,353$5.1M2011Q1
Francois RochonGiverny Capital2.63%96,001$13.2M2015Q4
Hillman Capital ManagementHillman Value Fund2.21%23,301$3.1M2019Q4
William Von MuefflingCantillon Capital Management1.49%712,184$83.9M2007Q3
David TepperAppaloosa Management1.49%250,000$23.6M2007Q1
Tweedy Browne Co.Tweedy Browne Value Fund0.93%234,755$34.1M2017Q3
Bill MillerMiller Value Partners0.41%53,910$10.2M2014Q3
Bruce BerkowitzFairholme Capital0.27%47,900$6.6M2015Q4
Chase ColemanTiger Global Management0.25%141,823$20.6M2015Q3
Warren BuffettBerkshire Hathaway0.16%2,048,045$314.2M2017Q4
Thomas GaynerMarkel Group0.06%10,400$1.2M2007Q3
Kahn Brothers GroupKahn Brothers Group0.05%1,228$298K2026Q1
David KatzMatrix Asset Advisors0.02%819$243K2025Q4
Christopher DavisDavis Selected Advisers0.01%20,168$3.1M2016Q1
Mairs & PowerMairs & Power Growth Fund0.01%3,647$884K2026Q1
Jensen Investment ManagementJensen Investment Management0.01%2,750$417K2016Q2
Meridian / ArrowMarkMeridian Contrarian Fund0.01%3,448$523K2016Q2
Dodge & CoxDodge & Cox0.01%46,587$11.3M2026Q1
First Eagle Investment ManagementFirst Eagle Investment Management0.01%32,122$4.9M2017Q4
Kenneth FisherFisher Asset Management0.00%24,688$6.0M2026Q1
Ruane CunniffSequoia Fund0.00%2,730$475K2017Q1
Thomas RussoGardner Russo & Quinn0.00%750$222K2025Q4
Bill NygrenOakmark Select Fund – Harris Associates0.00%3,977$532K2023Q2

Congressional Activity

Congressional data coming soon

Insider Activity

9

Total trades

$7.0M

Volume

3

Buys

3

Sells

Last trade: Mar 31, 2026

Insider Tradeslast 90 days

DateInsiderTypeValue
Mar 31, 2026Marianne Catherine BrownBuy$91K
Mar 31, 2026Thomas BuberlBuy$91K

Congressional Tradeslast 90 days

Congressional trade data is being sourced and will appear here shortly.

Mar 31, 2026
David N Farr
Buy
$59K