MPM
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MBB Public Markets’s Affiliated Managers Group AMG Stock Holding History

MBB Public Markets’s Portfolio AMG Stock Details AMG Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$247K Hold
894
– – 0.03% 17
2025
Q4 		$258K Hold
894
– – 0.03% 18
2025
Q3 		$213K Buy
+894
New +$197K 0.03% 26

Other funds holding AMG

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
AI
Ariel Investments Chicago, Illinois $8.93B AUM 29.58% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $95.5B AUM 28.4% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Fuller & Thaler Asset Management
Fuller & Thaler Asset Management San Mateo, California $29.7B AUM 43.33% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

MBB Public Markets's AMG Position: Q1 2026 in Review

MBB Public Markets held its Affiliated Managers Group (AMG) position steady in Q1 2026 at 894 shares worth $247K. The position accounts for 0.03% of the portfolio, ranked #17.

MBB Public Markets first reported a position in AMG in Q3 2025 and has held it in 3 quarters since. The position peaked at $258K in Q4 2025. 544 funds tracked by Wall St. Rank hold AMG as of Q1 2026.

  • MBB Public Markets held 894 shares of Affiliated Managers Group worth $247K as of Q1 2026.
  • MBB Public Markets left its Affiliated Managers Group share count unchanged in Q1 2026.
  • Affiliated Managers Group made up 0.03% of MBB Public Markets's portfolio in Q1 2026, its #17 holding.
  • MBB Public Markets first reported a position in Affiliated Managers Group in Q3 2025 and has held it in 3 quarters since.
  • MBB Public Markets's Affiliated Managers Group position peaked at $258K in Q4 2025.
  • 544 funds tracked by Wall St. Rank held Affiliated Managers Group as of Q1 2026.

Based on MBB Public Markets's 13F filing for Q1 2026, filed 15 May 2026.