3M Company
MX ˙ BMV ˙ US88579Y1010
SecurityMX:MMM / 3M Company
InstitutionKeystone Financial Group
Latest Disclosed Ownership8,473 shares
Latest Disclosed Value $ 1,230,639
Keystone Financial Group reports 0.41% increase in ownership of MMM / 3M Company

On May 13, 2026 - Keystone Financial Group filed a 13F-HR form disclosing ownership of 8,473 shares of 3M Company (MX:MMM) valued at $1,230,639 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 6, 2026 disclosing 8,438 shares of 3M Company. This represents a change in shares of 0.41% during the quarter.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date		 Effective
Date		Form Security Class ID Avg Price
Paid (Est)		 Reported
Shares		 ΔShares ΔShares
(%)		 Reported
Value
(x1000)		 ΔValue
(%)		 Alloc
(%)		 ΔAlloc ΔAlloc (%) Cost Basis
(x1000)		 Unrealized
Gain/Loss
(x1000)
2026-05-13 2026-03-31 13F 3M Equtities 88579Y101 8,473 35 0.41 1,231 -8.89 0.0828
2026-02-06 2025-12-31 13F 3M Equities 88579Y101 8,438 84 1.01 1,351 4.09 0.0999
2025-11-17 2025-09-30 13F/A-1 3M Common Stock 88579Y101 8,354 40 0.48 1,297 2.53 0.0991
2025-11-14 2025-09-30 13F 3M Common Stock 88579Y101 8,314 0 1,266 0.1006
2025-08-13 2025-06-30 13F 3M Common Stock 88579Y101 8,314 162 1.99 1,266 5.68 0.1142
2025-05-13 2025-03-31 13F 3M Common Stock 88579Y101 8,152 -106 -1.28 1,197 12.18 0.1217
2025-02-13 2024-12-31 13F 3M Common Stock 88579Y101 8,258 18 0.22 1,067 -5.24 0.1049
2025-02-19 2024-09-30 13F/A-3 3M Common Stock 88579Y101 8,240 -38 -0.46 1,126 33.25 0.1441
2025-02-18 2024-09-30 13F/A-2 3M Common Stock 88579Y101 12,363 4,085 1,123 0.1461
2025-02-13 2024-09-30 13F/A-1 3M Common Stock 88579Y101 8,240 -38 1,126 0.1454
2024-11-12 2024-09-30 13F 3M Common Stock 88579Y101 8,240 -38 1,126 0.3719
2024-07-31 2024-06-30 13F 3M Common Stock 88579Y101 8,278 47 0.57 846 -3.21 0.3030
2024-05-08 2024-03-31 13F 3M Common Stock 88579Y101 8,231 649 8.56 873 5.43 0.1272
2024-02-14 2023-12-31 13F/A-1 3M Common Stock 88579Y101 7,582 32 0.42 829 17.28 0.1441
2024-02-09 2023-12-31 13F 3M Common Stock 88579Y101 7,582 32 829 0.1441
2023-11-06 2023-09-30 13F 3M Common Stock 88579Y101 7,550 699 10.20 707 3.07 0.1184
2023-08-07 2023-06-30 13F 3M Common Stock 88579Y101 6,851 -76 -1.10 686 -17.47 0.1166
2023-02-07 2022-12-31 13F 3M Common Stock 88579Y101 6,927 -10 -0.14 831 8.21 0.1640
2022-11-10 2022-09-30 13F 3M Common Stock 88579Y101 6,937 1,017 17.18 767 0.13 0.1555
2022-08-05 2022-06-30 13F 3M Common Stock 88579Y101 5,920 263 4.65 766 -9.03 0.1518
2022-05-13 2022-03-31 13F 3M Common Stock 88579Y101 5,657 778 15.95 842 -2.88 0.1430
2022-02-11 2021-12-31 13F 3M Common Stock 88579Y101 4,879 -118 -2.36 867 -1.14 0.1422
2021-11-12 2021-09-30 13F 3M Common Stock 88579Y101 4,997 -121 -2.36 877 -13.77 0.1587
2021-08-13 2021-06-30 13F 3M Common Stock 88579Y101 5,118 241 4.94 1,017 8.19 0.1842
2021-05-11 2021-03-31 13F 3M Common Stock 88579Y101 4,877 -615 -11.20 940 -2.08 0.1831
2021-02-10 2020-12-31 13F 3M Common Stock 88579Y101 5,492 316 6.11 960 15.80 0.1996
2020-11-13 2020-09-30 13F 3M Common Stock 88579Y101 5,176 -133 -2.51 829 0.12 0.2035
2020-08-13 2020-06-30 13F 3M Common Stock 88579Y101 5,309 227 4.47 828 19.31 0.2250
2020-05-05 2020-03-31 13F/A-1 3M Common Stock 88579Y101 5,082 3,024 146.94 694 91.18 0.2300
2020-05-05 2020-03-31 13F 3M Common Stock 88579Y101 2,058 0 363 97,520.8743
2020-02-06 2019-12-31 13F 3M Common Stock 88579Y101 2,058 -95 -4.41 363 2.54 0.0975
2019-11-07 2019-09-30 13F 3M Common Stock 88579Y101 2,153 236 12.31 354 6.63 0.1089
2019-08-07 2019-06-30 13F 3M Common Stock 88579Y101 1,917 -173 -8.28 332 -23.50 0.1080
2019-05-07 2019-03-31 13F 3M Common Stock 88579Y101 2,090 508 32.11 434 44.19 0.1543
2019-02-11 2018-12-31 13F 3M Common Stock 88579Y101 1,582 41 2.66 301 -7.95 0.1360
2018-11-06 2018-09-30 13F 3M Common Stock 88579Y101 1,541 302 24.37 327 35.12 0.1338
2018-08-14 2018-06-30 13F 3M Common Stock 88579Y101 1,239 164 15.26 242 5.68 0.1350
2018-05-15 2018-03-31 13F 3M Common Stock 88579Y101 1,075 40 3.86 229 -7.66 0.1272
2018-02-09 2017-12-31 13F 3M Common Stock 88579Y101 1,035 1,035 248 0.1541
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.