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MQS Management’s Affiliated Managers Group AMG Stock Holding History

MQS Management’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
Q2 		– Sell
-858
Closed -$237K – 271
2026
Q1 		$237K Sell
858
-1,428
-62% -$430K 0.16% 295
2025
Q4 		$659K Sell
2,286
-894
-28% -$231K 0.39% 68
2025
Q3 		$758K Buy
3,180
+643
+25% +$142K 0.44% 43
2025
Q2 		$499K Buy
+2,537
New +$440K 0.28% 121
2024
Q3 		– Sell
-2,092
Closed -$327K – 428
2024
Q2 		$327K Buy
+2,092
New +$333K 0.2% 223
2024
Q1 		– Sell
-2,259
Closed -$342K – 436
2023
Q4 		$342K Buy
+2,259
New +$304K 0.19% 230
2023
Q3 		– Sell
-1,670
Closed -$250K – 425
2023
Q2 		$250K Sell
1,670
-908
-35% -$130K 0.17% 286
2023
Q1 		$367K Buy
+2,578
New +$407K 0.24% 173

Other funds holding AMG

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Boston Partners
Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return
AI
Ariel Investments Chicago, Illinois $10B AUM 42.59% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return
Fuller & Thaler Asset Management
Fuller & Thaler Asset Management San Mateo, California $36.7B AUM 74.15% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

MQS Management's AMG Position: Q2 2026 in Review

MQS Management sold out of Affiliated Managers Group (AMG) in Q2 2026, closing a stake of 858 shares — an estimated $237K sold.

MQS Management first reported a position in AMG in Q1 2023 and held it in 8 quarters. The position peaked at $758K in Q3 2025. 566 funds tracked by Wall St. Rank hold AMG as of Q2 2026.

  • MQS Management reported no remaining Affiliated Managers Group position as of Q2 2026 after selling out during the quarter.
  • MQS Management sold 858 Affiliated Managers Group shares in Q2 2026, an estimated $237K.
  • MQS Management first reported a position in Affiliated Managers Group in Q1 2023 and held it in 8 quarters.
  • MQS Management's Affiliated Managers Group position peaked at $758K in Q3 2025.
  • 566 funds tracked by Wall St. Rank held Affiliated Managers Group as of Q2 2026.

Based on MQS Management's 13F filing for Q2 2026, filed 7 Aug 2026.