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Cornerstone Planning’s 3M MMM Stock Holding History

Cornerstone Planning’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 		$1.54M Buy
9,541
+241
+3% +$36.5K 0.36% 81
2026
Q1 		$1.35M Sell
9,300
-1,256
-12% -$200K 0.31% 92
2025
Q4 		$1.7M Buy
+10,556
New +$1.73M 0.39% 77
2024
Q4 		$498K Buy
+3,859
New +$506K 0.19% 93

Other funds holding MMM

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Capital World Investors
Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return
State Farm Mutual Automobile Insurance
State Farm Mutual Automobile Insurance Bloomington, Illinois $146B AUM 55.73% 1-Year Est. Return
Norges Bank
Norges Bank Oslo, Norway $1T AUM
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Cornerstone Planning's MMM Position: Q2 2026 in Review

Cornerstone Planning increased its 3M (MMM) stake by 2.6% in Q2 2026, buying an estimated $36.5K and bringing the position to 9,541 shares worth $1.54M. The position accounts for 0.36% of the portfolio, ranked #81.

Cornerstone Planning first reported a position in MMM in Q4 2024 and has held it in 4 quarters since. The position peaked at $1.7M in Q4 2025. 2,224 funds tracked by Wall St. Rank hold MMM as of Q2 2026.

  • Cornerstone Planning held 9,541 shares of 3M worth $1.54M as of Q2 2026.
  • Cornerstone Planning bought 241 3M shares in Q2 2026, an estimated $36.5K.
  • 3M made up 0.36% of Cornerstone Planning's portfolio in Q2 2026, its #81 holding.
  • Cornerstone Planning first reported a position in 3M in Q4 2024 and has held it in 4 quarters since.
  • Cornerstone Planning's 3M position peaked at $1.7M in Q4 2025.
  • 2,224 funds tracked by Wall St. Rank held 3M as of Q2 2026.

Based on Cornerstone Planning's 13F filing for Q2 2026, filed 30 Jul 2026.