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Great Diamond Partners’s 3M MMM Stock Holding History

Great Diamond Partners’s Portfolio MMM Stock Details MMM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$209K Buy
+1,290
New +$196K 0.04% 235
2026
Q1 		– Sell
-1,315
Closed -$211K – 245
2025
Q4 		$211K Hold
1,315
– – 0.04% 222
2025
Q3 		$204K Hold
1,315
– – 0.04% 224
2025
Q2 		$200K Buy
+1,315
New +$188K 0.04% 224
2024
Q1 		– Sell
-2,440
Closed -$223K – 235
2023
Q4 		$223K Buy
+2,440
New +$196K 0.06% 216
2023
Q3 		– Sell
-2,440
Closed -$204K – 231
2023
Q2 		$204K Hold
2,440
– – 0.05% 216
2023
Q1 		$214K Sell
2,440
-119
-5% -$11.2K 0.06% 208
2022
Q4 		$257K Sell
2,559
-210
-8% -$21.4K 0.08% 180
2022
Q3 		$255K Hold
2,769
– – 0.09% 173
2022
Q2 		$299K Hold
2,769
– – 0.1% 164
2022
Q1 		$344K Sell
2,769
-805
-23% -$107K 0.1% 155
2021
Q4 		$530K Sell
3,574
-329
-8% -$49K 0.14% 125
2021
Q3 		$572K Buy
3,903
+466
+14% +$75.5K 0.16% 110
2021
Q2 		$570K Hold
3,437
– – 0.16% 113
2021
Q1 		$553K Sell
3,437
-12
-0.3% -$1.8K 0.17% 112
2020
Q4 		$504K Sell
3,449
-1,211
-26% -$172K 0.16% 105
2020
Q3 		$624K Sell
4,660
-7
-0.1% -$942 0.23% 78
2020
Q2 		$608K Sell
4,667
-299
-6% -$37.7K 0.25% 71
2020
Q1 		$566K Sell
4,966
-459
-8% -$60.4K 0.29% 67
2019
Q4 		$800K Buy
+5,425
New +$760K 0.3% 63

Other funds holding MMM

Sumitomo Mitsui Trust Group
Sumitomo Mitsui Trust Group Minato-Ku, Tokyo, Japan $175B AUM 40.63% 1-Year Est. Return
New York State Common Retirement Fund
New York State Common Retirement Fund Albany, New York $79.3B AUM 43.63% 1-Year Est. Return
PCM
Parsons Capital Management Providence, Rhode Island $2.21B AUM 28.12% 1-Year Est. Return
Wealth Enhancement Advisory Services
Wealth Enhancement Advisory Services Plymouth, Minnesota $59.8B AUM 29.42% 1-Year Est. Return
FWIA
Fort Washington Investment Advisors Cincinnati, Ohio $19.9B AUM 22.19% 1-Year Est. Return
KeyBank National Association
KeyBank National Association Cleveland, Ohio $30.4B AUM 27.51% 1-Year Est. Return
New York State Teachers Retirement System (NYSTRS)
New York State Teachers Retirement System (NYSTRS) Albany, New York $54.2B AUM 43.77% 1-Year Est. Return
Retirement Systems of Alabama
Retirement Systems of Alabama Montgomery, Alabama $33.2B AUM 38.15% 1-Year Est. Return
Swedbank
Swedbank Stockholm, Sweden $116B AUM 46.87% 1-Year Est. Return
Asset Management One
Asset Management One Tokyo, Japan $39B AUM 37.51% 1-Year Est. Return

Great Diamond Partners's MMM Position: Q2 2026 in Review

Great Diamond Partners opened a new position in 3M (MMM) in Q2 2026: 1,290 shares worth $209K. The stake represents 0.04% of the portfolio and ranks #235 among its holdings. This is a return to the name: Great Diamond Partners previously reported a position in MMM as recently as Q4 2025.

Great Diamond Partners first reported a position in MMM in Q4 2019 and has held it in 20 quarters since. The position peaked at $800K in Q4 2019. 1,028 funds tracked by Wall St. Rank hold MMM as of Q2 2026.

  • Great Diamond Partners held 1,290 shares of 3M worth $209K as of Q2 2026.
  • 3M was a new Great Diamond Partners position in Q2 2026.
  • 3M made up 0.04% of Great Diamond Partners's portfolio in Q2 2026, its #235 holding.
  • Great Diamond Partners first reported a position in 3M in Q4 2019 and has held it in 20 quarters since.
  • Great Diamond Partners's 3M position peaked at $800K in Q4 2019.
  • 1,028 funds tracked by Wall St. Rank held 3M as of Q2 2026.

Based on Great Diamond Partners's 13F filing for Q2 2026, filed 17 Jul 2026.