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

MMM

3M CO

Superinvestors

Institutional investors holding MMM

Consensus →
InvestorFundWeightSharesValueQuarter
Terry SmithFundsmith4.98%3,398,172$668.5M2018Q2
Valley Forge Capital ManagementValley Forge Capital Management2.26%78,330$6.8M2010Q3
Tweedy Browne Co.Tweedy Browne Value Fund1.66%344,800$51.3M2022Q1
First Eagle Investment ManagementFirst Eagle Investment Management0.82%1,659,969$290.1M2020Q4
Mairs & PowerMairs & Power Growth Fund0.52%351,848$51.1M2026Q1
Viking Global InvestorsViking Global Investors0.42%840,751$114.9M2024Q3
Duan YongpingH&H International Investment0.36%119,900$18.7M2020Q2
Thomas GaynerMarkel Group0.34%70,300$6.6M2007Q3
David TepperAppaloosa Management0.16%17,775$1.4M2005Q4
Hillman Capital ManagementHillman Value Fund0.10%2,881$294K2024Q2
Jensen Investment ManagementJensen Investment Management0.08%27,629$4.0M2026Q1
Torray FundsTorray Investment Partners0.04%2,000$290K2026Q1
Christopher DavisDavis Selected Advisers0.01%38,361$5.4M2013Q4
Bill NygrenOakmark Select Fund – Harris Associates0.00%3,900$643K2015Q1
Polen Capital ManagementPolen Capital Management0.00%225$20K2007Q2
Dodge & CoxDodge & Cox0.00%7,676$1.1M2026Q1
Greenhaven AssociatesGreenhaven Associates0.00%2,368$242K2024Q2
Kenneth FisherFisher Asset Management0.00%9,243$1.3M2026Q1

Congressional Activity

Congressional data coming soon

Insider Activity

20

Total trades

$6.8M

Volume

12

Buys

4

Sells

Last trade: May 12, 2026

Insider Tradeslast 90 days

DateInsiderTypeValue
May 12, 2026Thomas W SweetBuy$195K
May 12, 2026Thomas W SweetBuy$195K

Congressional Tradeslast 90 days

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

May 12, 2026
Thomas W Sweet
Buy
$195K
May 12, 2026Thomas W SweetBuy$195K
May 12, 2026Thomas W SweetBuy$195K
May 12, 2026Thomas W SweetBuy$195K
May 12, 2026Thomas W SweetBuy$195K
May 12, 2026Thomas W SweetBuy$195K
May 12, 2026Thomas W SweetBuy$195K
May 1, 2026Thomas W SweetOption$1.9M
May 1, 2026Thomas W SweetSell$872K
May 1, 2026Thomas W SweetOption$1.2M
May 1, 2026Thomas W SweetSell$557K
May 1, 2026Thomas W SweetOption$205K
May 1, 2026Thomas W SweetSell$74K
Apr 1, 2026Thomas W SweetOption$143K
Apr 1, 2026Thomas W SweetSell$65K