3M CO (MMM) Institutional Shareholders
3M CO (MMM) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended March 31, 2026. The institutional investors covered on this page collectively reported approximately $48.46B in MMM holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of MMM tracked by InsiderSet, reporting ownership valued at approximately $6.20B in its March 31, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $7.52B, representing an estimated gain of +21.38% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 50% of the total disclosed MMM value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Vanguard Capital Management Llc, State Street Corp, and several other long-term asset managers with concentrated positions in 3M CO (MMM).
This page ranks the largest institutional MMM shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
2,137
Total Reported Value
$48.46B
Largest Holder
Blackrock, Inc.
Largest Position
$6.20B
Insider Transactions (90d)
7
Latest Filing Quarter
Q2 2026
New Institutional Positions
32
Funds Exiting Positions
1
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.11% | 42,661,966 | $6,195,797,240 | $7,520,451,366 | +$1,324,654,126 | +21.38% | |
| Vanguard Capital Management Llc | 0.12% | 34,227,417 | $4,970,847,771 | $6,033,609,069 | +$1,062,761,298 | +21.38% | |
| State Street Corp | 0.14% | 27,723,744 | $4,026,319,341 | $4,887,141,592 | +$860,822,251 | +21.38% | |
| Geode Capital Management, Llc | 0.11% | 11,897,247 | $1,720,019,819 | $2,097,246,701 | +$377,226,882 | +21.93% | |
| Fmr Llc | 0.07% | 9,484,937 | $1,377,497,468 | $1,672,004,694 | +$294,507,226 | +21.38% | |
| Vanguard Portfolio Management Llc | 0.07% | 9,450,949 | $1,372,561,323 | $1,666,013,290 | +$293,451,967 | +21.38% | |
| Capital World Investors | 0.18% | 9,172,034 | $1,332,054,498 | $1,616,846,154 | +$284,791,656 | +21.38% | |
| State Farm Mutual Automobile Insurance Co | 0.91% | 7,934,035 | $1,152,259,903 | $1,398,611,690 | +$246,351,787 | +21.38% | |
| Morgan Stanley | 0.07% | 7,481,851 | $1,086,589,576 | $1,318,900,694 | +$232,311,118 | +21.38% | |
| Northern Trust Corp | 0.11% | 5,625,658 | $817,014,312 | $991,690,992 | +$174,676,680 | +21.38% | |
| Newport Trust Company, Llc | 1.99% | 5,594,540 | $812,495,044 | $986,205,511 | +$173,710,467 | +21.38% | |
| Bank Of America Corp | 0.06% | 5,462,282 | $793,287,167 | $962,891,071 | +$169,603,904 | +21.38% | |
| Goldman Sachs Group Inc | 0.10% | 5,302,767 | $770,120,715 | $934,771,767 | +$164,651,052 | +21.38% | |
| D. E. Shaw & Co., Inc. | 0.61% | 5,291,710 | $768,515,044 | $932,822,639 | +$164,307,595 | +21.38% | |
| Storebrand Asset Management As | 0.23% | 4,688,103 | $677,579,185 | $826,418,797 | +$148,839,612 | +21.97% | |
| Invesco Ltd. | 0.09% | 4,210,211 | $611,448,926 | $742,175,995 | +$130,727,069 | +21.38% | |
| Ubs Group Ag | 0.10% | 4,053,165 | $588,641,152 | $714,491,926 | +$125,850,774 | +21.38% | |
| Ubs Am, A Distinct Business Unit Of Ubs Asset Management Americas Llc | 0.11% | 3,665,076 | $532,278,987 | $646,079,597 | +$113,800,610 | +21.38% | |
| Charles Schwab Investment Management Inc | 0.08% | 3,431,930 | $498,419,251 | $604,980,620 | +$106,561,369 | +21.38% | |
| Janus Henderson Group Plc | 0.24% | 3,353,252 | $486,992,252 | $591,111,263 | +$104,119,011 | +21.38% | |
| Legal & General Group Plc | 0.11% | 3,290,791 | $477,921,578 | $580,100,637 | +$102,179,059 | +21.38% | |
| Bank Of New York Mellon Corp | 0.08% | 3,127,872 | $454,260,941 | $551,381,276 | +$97,120,335 | +21.38% | |
| Vanguard Fiduciary Trust Co | 0.11% | 2,977,151 | $432,371,640 | $524,812,178 | +$92,440,538 | +21.38% | |
| Dimensional Fund Advisors Lp | 0.09% | 2,910,497 | $422,637,094 | $513,062,411 | +$90,425,317 | +21.40% | |
| Amundi | 0.11% | 2,716,970 | $394,585,553 | $478,947,472 | +$84,361,919 | +21.38% | |
| Alliancebernstein L.P. | 0.13% | 2,417,723 | $387,077,452 | $426,196,210 | +$39,118,758 | +10.11% | |
| Deutsche Bank Ag\ | 0.12% | 2,574,511 | $373,896,233 | $453,834,799 | +$79,938,566 | +21.38% | |
| Us Bancorp \De\ | 0.39% | 2,215,294 | $321,727,151 | $390,512,026 | +$68,784,875 | +21.38% | |
| Wells Fargo & Company/Mn | 0.06% | 2,186,195 | $317,501,187 | $385,382,455 | +$67,881,268 | +21.38% | |
| Royal Bank Of Canada | 0.06% | 2,052,966 | $298,152,000 | $361,896,846 | +$63,744,846 | +21.38% | |
| Qube Research & Technologies Ltd | 0.40% | 1,962,817 | $285,059,913 | $346,005,381 | +$60,945,468 | +21.38% | |
| Nuveen, Llc | 0.07% | 1,894,366 | $275,118,781 | $333,938,838 | +$58,820,057 | +21.38% | |
| Sumitomo Mitsui Trust Group, Inc. | 0.13% | 1,418,049 | $229,596,314 | $249,973,678 | +$20,377,364 | +8.88% | |
| Worldquant Millennium Advisors Llc | 0.88% | 1,567,698 | $227,676,781 | $276,353,803 | +$48,677,022 | +21.38% | |
| Swiss National Bank | 0.13% | 1,559,039 | $226,419,234 | $274,827,395 | +$48,408,161 | +21.38% | |
| Hsbc Holdings Plc | 0.13% | 1,501,817 | $217,450,104 | $264,740,301 | +$47,290,197 | +21.75% | |
| Millennium Management Llc | 0.15% | 1,410,550 | $204,854,176 | $248,651,754 | +$43,797,578 | +21.38% | |
| Aqr Capital Management Llc | 0.09% | 1,394,351 | $200,200,901 | $245,796,194 | +$45,595,293 | +22.77% | |
| National Pension Service | 0.15% | 1,353,376 | $196,550,796 | $238,573,121 | +$42,022,325 | +21.38% | |
| Citadel Advisors Llc | 0.14% | 1,321,071 | $191,859,141 | $232,878,396 | +$41,019,255 | +21.38% | |
| Barclays Plc | 0.07% | 1,315,645 | $191,071,122 | $231,921,901 | +$40,850,779 | +21.38% | |
| Mitsubishi Ufj Asset Management Co., Ltd. | 0.13% | 1,308,985 | $190,103,892 | $230,747,876 | +$40,643,984 | +21.38% | |
| Boston Partners | 0.19% | 1,271,384 | $184,640,890 | $224,119,572 | +$39,478,682 | +21.38% | |
| Allianz Asset Management Gmbh | 0.21% | 1,266,090 | $183,874,252 | $223,186,345 | +$39,312,093 | +21.38% | |
| Neuberger Berman Group Llc | 0.14% | 1,246,814 | $180,928,261 | $219,788,372 | +$38,860,111 | +21.48% | |
| Vanguard Global Advisers, Llc | 0.09% | 1,150,411 | $167,074,190 | $202,794,451 | +$35,720,261 | +21.38% | |
| Marshall Wace, Llp | 0.16% | 1,061,022 | $154,092,228 | $187,036,958 | +$32,944,730 | +21.38% | |
| Rhumbline Advisers | 0.13% | 1,043,585 | $151,559,713 | $183,963,164 | +$32,403,451 | +21.38% | |
| Ameriprise Financial Inc | 0.03% | 1,023,632 | $148,662,223 | $180,445,849 | +$31,783,626 | +21.38% | |
| Vanguard Asset Management, Ltd | 0.13% | 1,001,245 | $145,410,811 | $176,499,469 | +$31,088,658 | +21.38% |
Frequently asked questions about MMM
Who owns the most MMM stock?
The largest holders of MMM are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for 3M CO (MMM).
Is MMM widely held by superinvestors?
Many widely followed stocks like MMM appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly MMM is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.