3M CO (MMM) Stock Institutional Trading Activity
3M CO (MMM) 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 Mairs & Power Growth Fund, Jensen Investment Management, Sequoia Financial Advisors, Dodge & Cox Stock Fund, and ARK Invest. 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 quarter | Name | Type | Quantity | Remaining | Reported stock balance |
|---|---|---|---|---|---|
| Q2 2021 | Torray Fund | Sell | -44 | 10,303 | $2,046 |
| Q2 2021 | Jensen Investment Management | Sell | -30,465 | 3,485,326 | $692,290 |
| Q1 2021 | ARK Invest | Buy | 2,947 | 3,792 | $731 |
| Q1 2021 | Dodge & Cox Stock Fund | Sell | -200 | 13,955 | $2,689 |
| Q1 2021 | Hillman Value Fund | Buy | 1 | 1,229 | $237 |
| Q1 2021 | Sequoia Financial Advisors | Buy | 337 | 10,605 | $2,043 |
| Q1 2021 | Renaissance Technologies LLC | Sell | -252,000 | 84,000 | $16,185 |
| Q1 2021 | Tweedy, Browne Co All Funds (US) | Sell | -2,614 | 368,335 | $70,971 |
| Q1 2021 | Mairs & Power Growth Fund | Sell | -163,811 | 1,230,860 | $237,162 |
| Q1 2021 | Torray Fund | Buy | 47 | 10,347 | $1,994 |
| Q1 2021 | Jensen Investment Management | Buy | 55,749 | 3,515,791 | $677,423 |
| Q4 2020 | ARK Invest | Buy | 466 | 845 | $148 |
| Q4 2020 | Dodge & Cox Stock Fund | Sell | -1,246 | 14,155 | $2,474 |
| Q4 2020 | Hillman Value Fund | Buy | 1,228 | 1,228 | $215 |
| Q4 2020 | Matrix Private Capital Group | Buy | 160 | 3,415 | $597 |
| Q4 2020 | Sequoia Financial Advisors | Buy | 823 | 10,268 | $1,795 |
| Q4 2020 | Tweedy, Browne Co All Funds (US) | Sell | -10,175 | 370,949 | $64,838 |
| Q4 2020 | Mairs & Power Growth Fund | Sell | -101,800 | 1,394,671 | $243,775 |
| Q4 2020 | First Eagle U.S. Value | Sell | -905,932 | 1,659,969 | $290,146 |
| Q4 2020 | Torray Fund | Sell | -608 | 10,300 | $1,800 |
| Q4 2020 | Jensen Investment Management | Buy | 16,543 | 3,460,042 | $604,781 |
| Q4 2020 | Greenhaven Associates | Sell | -2,500 | 2,500 | $437 |
| Q3 2020 | ARK Invest | Buy | 105 | 379 | $61 |
| Q3 2020 | Matrix Private Capital Group | Buy | 16 | 3,255 | $521 |
| Q3 2020 | Sequoia Financial Advisors | Buy | 9,445 | 9,445 | $1,513 |
| Q3 2020 | Renaissance Technologies LLC | Buy | 36,100 | 336,000 | $53,820 |
| Q3 2020 | Tweedy, Browne Co All Funds (US) | Sell | -2,684 | 381,124 | $61,048 |
| Q3 2020 | Mairs & Power Growth Fund | Sell | -75,914 | 1,496,471 | $239,705 |
| Q3 2020 | First Eagle U.S. Value | Sell | -366,198 | 2,565,901 | $411,006 |
| Q3 2020 | Torray Fund | Buy | 241 | 10,908 | $1,747 |
Frequently asked questions about MMM activity
Which institutional owners are buying MMM?
Institutional owners buying MMM 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 MMM activity?
"Buy" means an investor increased their reported position in MMM compared to the prior reporting period. This reflects growing exposure to 3M CO (MMM) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in MMM increasing?
Institutional interest in MMM 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.