# 3M CO (MMM) — Institutional Ownership

Source: SEC EDGAR 13F filings, congressional STOCK Act disclosures, SEC Form 4 insider transactions.
CUSIP: 88579Y101
Page URL: https://superinvestorclub.com/stock/MMM
Last updated: 2026-08-29T13:48:48.871Z

## Summary

As of the most recent 13F filing period, 3M CO (MMM) is held by 7 tracked superinvestors with an aggregate position value of $66.2M representing 034935027618140607558688920001280 shares.

## Top institutional holders (7)

| Rank | Manager | Fund | Shares | Value | % of Portfolio | Period |
|------|---------|------|--------|-------|----------------|--------|
| 1 | [Mairs & Power](https://superinvestorclub.com/manager/92) | Mairs & Power | 349350 | $56.6M | 0.52% | 2026-06-30 |
| 2 | [Jensen Investment Management](https://superinvestorclub.com/manager/93) | Jensen Investment Management | 27618 | $4.5M | 0.11% | 2026-06-30 |
| 3 | [Ray Dalio](https://superinvestorclub.com/manager/6) | Bridgewater Associates | 14060 | $2.3M | 0.01% | 2026-06-30 |
| 4 | [Dodge & Cox](https://superinvestorclub.com/manager/16) | Dodge & Cox | 7558 | $1.2M | 0.00% | 2026-06-30 |
| 5 | [FPA Queens Road](https://superinvestorclub.com/manager/97) | Bragg Financial Advisors | 6889 | $1.1M | 0.03% | 2026-06-30 |
| 6 | [Torray LLC](https://superinvestorclub.com/manager/3250) | Torray LLC | 2000 | $323,820 | 0.04% | 2026-06-30 |
| 7 | [Wally Obermeyer](https://superinvestorclub.com/manager/3283) | Obermeyer Wealth Partners | 1280 | $207,245 | 0.01% | 2026-06-30 |

## Ownership history (quarter-over-quarter)

- 2023-06-30: 1 holders, $374,737 aggregate, 03744 shares
- 2023-09-30: 2 holders, $822,170 aggregate, 052623520 shares
- 2023-12-31: 3 holders, $1.9M aggregate, 0922449953151 shares
- 2024-03-31: 3 holders, $33.6M aggregate, 0293750137269224 shares
- 2024-06-30: 4 holders, $199.7M aggregate, 0164414529375092246625 shares
- 2024-09-30: 5 holders, $185.3M aggregate, 084075129375020927792242565 shares
- 2024-12-31: 6 holders, $66.2M aggregate, 02937502005319224602820001585 shares
- 2025-03-31: 6 holders, $78.9M aggregate, 029375019811227840919661652000 shares
- 2025-06-30: 6 holders, $77.3M aggregate, 034436611825027800914661302000 shares
- 2025-09-30: 5 holders, $60.5M aggregate, 034645327842769661172000 shares
- 2025-12-31: 5 holders, $63.0M aggregate, 034914727829767669552000 shares
- 2026-03-31: 6 holders, $59.0M aggregate, 03518482762910372767669522000 shares

## Recent congressional trades (30)

- 2026-04-28: Josh Gottheimer (Democrat-NJ) sale $1,001 - $15,000
- 2026-02-04: Julia Letlow (Republican-LA) sale $1,001 - $15,000
- 2026-02-02: Julia Letlow (Republican-LA) sale $1,001 - $15,000
- 2025-12-18: Julie Johnson (Democrat-TX) sale $1,001 - $15,000
- 2025-11-13: Julie Johnson (Democrat-TX) sale $1,001 - $15,000
- 2025-10-20: Josh Gottheimer (Democrat-NJ) sale $1,001 - $15,000
- 2025-10-20: Josh Gottheimer (Democrat-NJ) sale $1,001 - $15,000
- 2025-08-14: Julie Johnson (Democrat-TX) sale $1,001 - $15,000
- 2025-08-14: Julie Johnson (Democrat-TX) sale $1,001 - $15,000
- 2025-07-28: Val Hoyle (Democrat-OR) sale $1,001 - $15,000
- 2025-07-28: Valerie Hoyle (D-OR) sale $1,001 - $15,000
- 2025-07-25: Ro Khanna (Democrat-CA) sale $1,001 - $15,000
- 2025-06-18: Julie Johnson (Democrat-TX) purchase $1,001 - $15,000
- 2025-06-18: Julie Johnson (Democrat-TX) purchase $1,001 - $15,000
- 2025-05-23: Rob Bresnahan (Republican-PA) sale $15,001 - $50,000

## Recent insider transactions (0)


## Citation

When citing, use: "3M CO (MMM) institutional ownership data via Superinvestor (https://superinvestorclub.com/stock/MMM), aggregating SEC 13F, Form 4, and congressional disclosures."