3M MMM
$185.15 −$2.62 (-1.40%)
Market closed · Nov 6, 9:40 pm ET · Last extended-hours $185.15 0.00%
Open$184.04
Prev close$187.77
Day range$183.59 – $187.60
Volume3.37M
Market cap$95.67B
P/E (TTM)27.6
Dividend yield1.66%
Ownership & positioning
Who holds it, who is betting against it, and where the big money is moving
Institutional ownership76.0%-0.11 pts vs. prior quarter
Institutions holding2,506+14 vs. prior quarter
Insider trades (recent)24 buys / 22 sellsNet buying
Short interest1.95% of floatDays to cover 3.7 · as of 15 Oct 2026
Short-sale volume share19.2%5-day average of daily volume
Short-sale volume as % of daily volume
Large-order net flow, last 20 sessions
Net of large-order buying minus selling, in USD. Over this window: +$67.25M (14 inflow days, 6 outflow days).
Net flow by order size, last 20 sessions
Super/Big orders approximate institutional-size trades; Mid/Small approximate retail-size trades. Net buy minus sell value in each bucket, summed over the window.
The five largest holders on file together own 30.1% of shares outstanding.
Largest holders
By investor type
Reported short interest has held roughly steady near 1.95% of float over the last 6 biweekly reports (31 Jul 2026 to 15 Oct 2026).
Recent institutional activity
| Holder | Type | Period | Share change | New stake |
|---|---|---|---|---|
| BlackRock | Mutual Fund | 2026/Q3 | +2,386,800 | 8.7% |
| Balyasny Asset Management L.P. | Hedge Fund | 2026/Q3 | +2,299,080 | 0.4% |
| Holocene Advisors, LP | Hedge Fund | 2026/Q3 | +2,286,910 | 0.5% |
| SG Americas Securities, LLC | Private Company | 2026/Q3 | +2,163,645 | 0.9% |
| Amundi Asset Management | Mutual Fund | 2026/Q3 | +1,809,501 | 0.9% |
| Cartenna Capital LP | Hedge Fund | 2026/Q3 | +1,150,000 | 0.2% |
| First Trust Advisors L.P. | Mutual Fund | 2026/Q3 | +942,692 | 0.2% |
| Adage Capital Management, L.P. | Hedge Fund | 2026/Q3 | +583,516 | 0.2% |
| Point72 Asset Management, L.P. | Hedge Fund | 2026/Q3 | +565,823 | 0.1% |
| Jacobs Levy Equity Management Inc | Mutual Fund | 2026/Q3 | +434,496 | 0.1% |
| BNP Paribas Financial Markets SNC | Private Company | 2026/Q3 | +424,978 | 0.2% |
| Citadel Advisors LLC | Hedge Fund | 2026/Q3 | +415,048 | 0.3% |
| Oribel Capital Management, LP | Hedge Fund | 2026/Q3 | +414,200 | 0.1% |
| AllianceBernstein | Mutual Fund | 2026/Q3 | +412,300 | 0.5% |
| Dimensional Fund Advisors | Mutual Fund | 2026/Q3 | +383,916 | 0.6% |
Institutional buy/sell activity by reporting period, largest moves first.
Insider transactions
| Date | Insider | Title | Transaction | Shares | Price | Held after |
|---|---|---|---|---|---|---|
| 6 Oct 2026 | Kevin Rhodes | Executive VP, Chief Legal Affairs Officer & Secretary | Derivative Exercise and Sale | -176 | $162.12 | 43,852 |
| 6 Oct 2026 | Christian Goralski | Group President of Safety & Industrial | Derivative Exercise and Sale | -1,724 | $162.12 | 6,971 |
| 6 Oct 2026 | Tushar Kshirsagar | Executive VP, Chief Technology Officer and Environmental Responsibility | Derivative Exercise and Sale | -53 | $162.12 | 7,652 |
| 30 Sep 2026 | Anurag Maheshwari | Chief Financial Officer | Derivative Exercise and Sale | -4,991 | $163.02 | 12,365 |
| 30 Sep 2026 | Anurag Maheshwari | Chief Financial Officer | Derivative Exercise and Retained | +5,953 | $163.02 | 12,365 |
| 30 Sep 2026 | Tushar Kshirsagar | Executive VP, Chief Technology Officer and Environmental Responsibility | Initial Statement of Beneficial | +0 | – | 13,793 |
| 31 Aug 2026 | Bobby George | Executive Vice President & Chief Information and Digital Officer | Other Derivative Acquisition | +15,860 | – | 15,860 |
| 31 Aug 2026 | Jennifer Cunningham | Executive Vice President | Other Derivative Acquisition | +7,049 | – | 7,049 |
| 9 Aug 2026 | Bobby George | Executive Vice President & Chief Information and Digital Officer | Initial Statement of Beneficial | +0 | – | 5 |
| 4 Aug 2026 | Rodriguez Chavez | Open Market Disposition | -3,635 | $182.51 | 16,244 | |
| 22 Jul 2026 | John Banovetz | Former Executive VP, CTO & Environmental Responsibility | Derivative Exercise and Sale | -7,880 | $170.44 | 50,057 |
| 22 Jul 2026 | Theresa Reinseth | Former Senior VP, Corporate Controller & Chief Accounting Officer | Open Market Disposition | -924 | $169.42 | 3,189 |
| 21 Jul 2026 | Kevin Rhodes | Executive VP, Chief Legal Affairs Officer & Secretary | Derivative Exercise and Sale | -7,669 | $171.20 | 43,780 |
| 21 Jul 2026 | Christian Goralski | Group President of Safety & Industrial | Derivative Exercise and Sale | -4,902 | $170.46 | 6,971 |
| 30 Jun 2026 | Wendy Bauer | Group President of Transportation & Electronics Business Group | Derivative Exercise and Sale | -3,558 | $159.96 | 9,086 |
| 30 Jun 2026 | Wendy Bauer | Group President of Transportation & Electronics Business Group | Derivative Exercise and Retained | +4,394 | $159.96 | 9,086 |
| 9 Jun 2026 | Mark Murphy | Former Executive VP and Chief Information & Digital Officer | Intent to Sell (Form 144) | -5,078 | $159.11 | – |
| 8 Jun 2026 | Zoe Dickson | Former Chief Human Resources Officer | Intent to Sell (Form 144) | -5,438 | $156.21 | – |
| 4 Jun 2026 | Jennifer Rumsey | Independent Director | Other Acquisition | +1,196 | $152.77 | 1,196 |
| 11 May 2026 | Thomas Brown | Independent Director | Other Acquisition | +1,360 | $143.34 | 17,687 |
From Form 4/Form 144 filings. Negative share counts are disposals (sales, gifts, or shares withheld for taxes); positive are acquisitions.
Short interest, by report
| Report date | Shares short | % of float | Days to cover |
|---|---|---|---|
| 15 Oct 2026 | 10,033,780 | 1.9% | 3.7 |
| 30 Sep 2026 | 9,678,344 | 1.9% | 3.1 |
| 15 Sep 2026 | 9,984,335 | 1.9% | 3.4 |
| 31 Aug 2026 | 9,219,411 | 1.8% | 3.5 |
| 14 Aug 2026 | 9,620,113 | 1.9% | 3.7 |
| 31 Jul 2026 | 9,948,845 | 1.9% | 2.2 |
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