3M Company
Ownership
Ownership Structure
Who owns 3M Company (MMM)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 99.8% of the shares are freely tradable; institutional investors hold 77.5%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| JPMorgan Chase & Co | 9.00 | 46,431,098 | +1.9 | 03/31/2026 |
| BlackRock Inc | 8.27 | 42,661,966 | +8.9 | 03/31/2026 |
| Vanguard Capital Management, LLC | 6.64 | 34,227,417 | +0.0 | 03/31/2026 |
| State Street Corp | 5.38 | 27,723,744 | -0.5 | 03/31/2026 |
| Geode Capital Management, LLC | 2.31 | 11,897,247 | +0.8 | 03/31/2026 |
| FMR Inc | 1.84 | 9,484,937 | +2.4 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 1.83 | 9,450,949 | +0.0 | 03/31/2026 |
| Capital World Investors | 1.63 | 8,392,028 | -8.5 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard MStar Total Stk Mkt Idx Invest | 3.22 | 16,608,423 | +0.3 | 07/31/2026 |
| Vanguard 500 Index Investor | 2.65 | 13,691,047 | +1.1 | 07/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Banovetz John Patrick | Executive Vice President | 50,057 | 8,244,358 $ | Jul 23, 2026 | direct |
| Rhodes Kevin H | EVP, Chief Legal Off & Secret | 43,780 | 7,210,565 $ | Jul 22, 2026 | direct |
| Chavez Rodriguez Beatriz Karina | Group President | 14,035 | 2,311,537 $ | Aug 5, 2026 | direct |
| Goralski Christian T JR | Group President | 6,971 | 1,148,170 $ | Jul 22, 2026 | direct |
| Reinseth Theresa E | Sr Vice President & CAO | 2,615 | 430,708 $ | Jul 23, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 5, 2026 | Chavez Rodriguez Beatriz Karina | Group President | Sell | 3,635 | 182.51 | 663,430 |
| Jul 23, 2026 | Reinseth Theresa E | Sr Vice President & CAO | Sell | 924 | 169.42 | 156,544 |
| Jul 23, 2026 | Banovetz John Patrick | Executive Vice President | Sell | 7,880 | 170.44 | 1,343,067 |
| Jul 23, 2026 | Banovetz John Patrick | Executive Vice President | Other | 7,880 | 154.69 | 1,218,957 |
| Jul 22, 2026 | Rhodes Kevin H | EVP, Chief Legal Off & Secret | Sell | 7,669 | 171.20 | 1,312,933 |
| Jul 22, 2026 | Rhodes Kevin H | EVP, Chief Legal Off & Secret | Other | 7,669 | 154.69 | 1,186,318 |
| Jul 22, 2026 | Goralski Christian T JR | Group President | Sell | 4,902 | 170.46 | 835,577 |
| Jul 22, 2026 | Goralski Christian T JR | Group President | Other | 4,902 | 154.69 | 758,290 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: September 17, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.