5 hedge funds and family offices disclose a MMM position in their latest SEC 13F filing — combined $57.8M in market value.
| # | Investor | Fund | Shares | Value | % of Portfolio | Filed |
|---|---|---|---|---|---|---|
| 1 | Mairs & Power | Mairs & Power Inc | 349,147 | $55.9M | 0.54% | 2025-12-31 |
| 2 | Ray Dalio | Bridgewater Associates LP | 10,372 | $1.5M | 0.01% | 2026-03-31 |
| 3 | Torray Funds | Torray Investment Partners LLC | 2,000 | $320K | 0.05% | 2025-12-31 |
| 4 | Cathie Wood | ARK Investment Management LLC | 497 | $72K | 0.00% | 2026-03-31 |
| 5 | Christopher Bloomstran | Semper Augustus Investments Group LLC | 305 | $49K | 0.01% | 2025-12-31 |
As of the latest 13F window, 5 tracked superinvestors hold MMM. The largest disclosed position is Mairs & Power at $55.9M (0.5% of portfolio).
13F filings are due 45 days after each quarter end and capture long-equity positions held by U.S. institutional managers with $100M+ AUM. Use this page to see exactly who is buying MMM, how concentrated each position is, and the implied conviction level relative to the rest of each investor's book.
Key takeaways
5 hedge funds and family offices disclose a MMM position in their latest SEC 13F filing — combined $57.8M in market value.
| # | Investor | Fund | Shares | Value | % of Portfolio | Filed |
|---|---|---|---|---|---|---|
| 1 | Mairs & Power | Mairs & Power Inc | 349,147 | $55.9M | 0.54% | 2025-12-31 |
| 2 | Ray Dalio | Bridgewater Associates LP | 10,372 | $1.5M | 0.01% | 2026-03-31 |
| 3 | Torray Funds | Torray Investment Partners LLC | 2,000 | $320K | 0.05% | 2025-12-31 |
| 4 | Cathie Wood | ARK Investment Management LLC | 497 | $72K | 0.00% | 2026-03-31 |
| 5 | Christopher Bloomstran | Semper Augustus Investments Group LLC | 305 | $49K | 0.01% | 2025-12-31 |
As of the latest 13F window, 5 tracked superinvestors hold MMM. The largest disclosed position is Mairs & Power at $55.9M (0.5% of portfolio).
13F filings are due 45 days after each quarter end and capture long-equity positions held by U.S. institutional managers with $100M+ AUM. Use this page to see exactly who is buying MMM, how concentrated each position is, and the implied conviction level relative to the rest of each investor's book.
Key takeaways
