Grantham, Mayo, Van Otterloo & Co (GMO)
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Grantham, Mayo, Van Otterloo & Co (GMO)’s Affiliated Managers Group AMG Stock Holding History

Grantham, Mayo, Van Otterloo & Co (GMO)’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 		– Sell
-11,259
Closed -$3.25M – 634
2025
Q4 		$3.25M Sell
11,259
-5,299
-32% -$1.37M 0.01% 364
2025
Q3 		$3.95M Sell
16,558
-163
-1% -$35.9K 0.01% 311
2025
Q2 		$3.29M Sell
16,721
-8,644
-34% -$1.5M 0.01% 337
2025
Q1 		$4.26M Buy
25,365
+1,143
+5% +$199K 0.01% 319
2024
Q4 		$4.48M Buy
24,222
+547
+2% +$102K 0.01% 314
2024
Q3 		$4.21M Sell
23,675
-2,324
-9% -$395K 0.01% 335
2024
Q2 		$4.06M Sell
25,999
-6,619
-20% -$1.05M 0.01% 323
2024
Q1 		$5.46M Sell
32,618
-9,758
-23% -$1.52M 0.02% 302
2023
Q4 		$6.42M Buy
42,376
+236
+0.6% +$31.7K 0.03% 277
2023
Q3 		$5.49M Buy
42,140
+23,391
+125% +$3.27M 0.03% 318
2023
Q2 		$2.81M Buy
18,749
+7,349
+64% +$1.05M 0.01% 402
2023
Q1 		$1.62M Buy
11,400
+1,400
+14% +$221K 0.01% 439
2022
Q4 		$1.58M Buy
10,000
+6,100
+156% +$863K 0.01% 459
2022
Q3 		$436K Buy
3,900
+800
+26% +$100K ﹤0.01% 588
2022
Q2 		$361K Buy
+3,100
New +$399K ﹤0.01% 648
2021
Q1 		– Sell
-5,904
Closed -$600K – 835
2020
Q4 		$600K Sell
5,904
-400
-6% -$34.5K ﹤0.01% 653
2020
Q3 		$431K Buy
+6,304
New +$441K ﹤0.01% 643
2015
Q4 		– Sell
-4,295
Closed -$734K – 549
2015
Q3 		$734K Sell
4,295
-8,105
-65% -$1.59M ﹤0.01% 435
2015
Q2 		$2.71M Sell
12,400
-2,900
-19% -$645K 0.01% 309
2015
Q1 		$3.29M Buy
15,300
+1,100
+8% +$232K 0.01% 303
2014
Q4 		$3.01M Sell
14,200
-2,300
-14% -$457K 0.01% 302
2014
Q3 		$3.31M Buy
+16,500
New +$3.37M 0.01% 315
2014
Q2 		– Sell
-9,473
Closed -$1.9M – 495
2014
Q1 		$1.9M Sell
9,473
-10,500
-53% -$2.06M ﹤0.01% 432
2013
Q4 		$4.33M Sell
19,973
-3,527
-15% -$704K 0.01% 334
2013
Q3 		$4.29M Buy
23,500
+1,800
+8% +$320K 0.01% 334
2013
Q2 		$3.56M Buy
+21,700
New +$3.43M 0.01% 347

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
AI
Ariel Investments Chicago, Illinois $10B AUM 42.59% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 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
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Grantham, Mayo, Van Otterloo & Co (GMO)'s AMG Position: Q1 2026 in Review

Grantham, Mayo, Van Otterloo & Co (GMO) sold out of Affiliated Managers Group (AMG) in Q1 2026, closing a stake of 11,259 shares — an estimated $3.25M sold.

Grantham, Mayo, Van Otterloo & Co (GMO) first reported a position in AMG in Q2 2013 and held it in 26 quarters. The position peaked at $6.42M in Q4 2023. 546 funds tracked by Wall St. Rank hold AMG as of Q1 2026.

  • Grantham, Mayo, Van Otterloo & Co (GMO) reported no remaining Affiliated Managers Group position as of Q1 2026 after selling out during the quarter.
  • Grantham, Mayo, Van Otterloo & Co (GMO) sold 11,259 Affiliated Managers Group shares in Q1 2026, an estimated $3.25M.
  • Grantham, Mayo, Van Otterloo & Co (GMO) first reported a position in Affiliated Managers Group in Q2 2013 and held it in 26 quarters.
  • Grantham, Mayo, Van Otterloo & Co (GMO)'s Affiliated Managers Group position peaked at $6.42M in Q4 2023.
  • 546 funds tracked by Wall St. Rank held Affiliated Managers Group as of Q1 2026.

Based on Grantham, Mayo, Van Otterloo & Co (GMO)'s 13F filing for Q1 2026, filed 14 May 2026.