3M Co
MMM- Exchange
- NYSE
- Industry
- Surgical & Medical Instruments & Apparatus
- SEC CIK
- 0000066740
In the last 90 days, 3M Co insiders filed 0 open-market purchases and 5 sales; 2,247 institutions reported holding it in 13F filings for Q2 2026, worth $62.6B in total; ARK Invest is the only superinvestor holding it.
Superinvestors holding MMM, Q2 2026
1 superinvestor reports holding 3M Co on Form 13F, worth $76.1K in total. Weight is 3M Co's share of each 13F portfolio; actions compare shares with Q1 2026.
| Superinvestor | % of portfolio | Shares | Value | vs. previous quarter |
|---|---|---|---|---|
| ARK InvestCathie Wood | <0.1% | 470 | $76.1K | Reduced−5.4% |
Moves by quarter
Superinvestors that opened, added to, trimmed or sold out of MMM each quarter, comparing shares with the quarter before. A superinvestor that didn't file for a quarter isn't listed, and isn't counted as selling.
Q2 2026
1 superinvestor holding at quarter end
- Reduced
- ARK Invest (−5.4%)
Q1 2026
1 superinvestor holding at quarter end
- Added
- ARK Invest (+5.5%)
Q4 2025
1 superinvestor holding at quarter end
- Added
- ARK Invest (+3.3%)
Q3 2025
1 superinvestor holding at quarter end
- Reduced
- ARK Invest (−15.4%)
- Sold out
- Markel Group
Q2 2025
2 superinvestors holding at quarter end
- Reduced
- Markel Group (−59.7%), ARK Invest (−7.2%)
Q1 2025
2 superinvestors holding at quarter end
- Reduced
- ARK Invest (−13.0%)
- Sold out
- D1 Capital Partners
Q4 2024
3 superinvestors holding at quarter end
- New
- D1 Capital Partners
- Reduced
- ARK Invest (−29.8%)
- Sold out
- Viking Global Investors, Soros Fund Management
Q3 2024
4 superinvestors holding at quarter end
- New
- Soros Fund Management
- Reduced
- Viking Global Investors (−48.9%), ARK Invest (−28.2%)
- Sold out
- Greenhaven Associates
Q2 2024
4 superinvestors holding at quarter end
- New
- Viking Global Investors
- Added
- ARK Invest (+0.7%)
- Sold out
- Soros Fund Management
Q1 2024
4 superinvestors holding at quarter end
- New
- Soros Fund Management
- Reduced
- ARK Invest (−17.2%)
- Sold out
- Maverick Capital
Q4 2023
4 superinvestors holding at quarter end
- Reduced
- Maverick Capital (−5.1%), ARK Invest (−13.8%)
Q3 2023
4 superinvestors holding at quarter end
- New
- Maverick Capital
- Added
- ARK Invest (+5.1%)
Q2 2023
3 superinvestors holding at quarter end
- Added
- ARK Invest (+7.9%)
Q1 2023
3 superinvestors holding at quarter end
- Added
- Markel Group (+2.1%)
- Reduced
- ARK Invest (−7.4%)
Q4 2022
3 superinvestors holding at quarter end
- Added
- Markel Group (+6.7%)
- Reduced
- ARK Invest (−1.1%)
Q3 2022
3 superinvestors holding at quarter end
- Reduced
- Greenhaven Associates (−5.3%), ARK Invest (−6.0%)
- Sold out
- Maverick Capital
Q2 2022
4 superinvestors holding at quarter end
- Reduced
- Maverick Capital (−21.0%), ARK Invest (−4.1%)
Q1 2022
4 superinvestors holding at quarter end
- New
- Maverick Capital
- Added
- Markel Group (+6.5%)
- Reduced
- ARK Invest (−22.5%)
Q4 2021
3 superinvestors holding at quarter end
- Added
- Markel Group (+2.4%)
- Reduced
- ARK Invest (−2.8%)
Q3 2021
3 superinvestors holding at quarter end
- Added
- Markel Group (+2.7%)
- Reduced
- ARK Invest (−20.9%)
Q2 2021
3 superinvestors holding at quarter end
- Added
- Markel Group (+1.1%)
- Reduced
- ARK Invest (−12.7%)