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Gateway Investment Advisers’s Affiliated Managers Group AMG Stock Holding History

Gateway Investment Advisers’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 		$2.22M Buy
6,561
+2,777
+73% +$861K 0.02% 279
2026
Q1 		$1.05M Buy
+3,784
New +$1.14M 0.01% 333
2019
Q3 		– Sell
-2,517
Closed -$232K – 572
2019
Q2 		$232K Hold
2,517
– – ﹤0.01% 650
2019
Q1 		$270K Sell
2,517
-280
-10% -$29.7K ﹤0.01% 638
2018
Q4 		$273K Sell
2,797
-27
-1% -$3.05K ﹤0.01% 636
2018
Q3 		$386K Sell
2,824
-69
-2% -$10.2K ﹤0.01% 612
2018
Q2 		$430K Sell
2,893
-259
-8% -$42.7K ﹤0.01% 604
2018
Q1 		$598K Sell
3,152
-71,755
-96% -$14M 0.01% 573
2017
Q4 		$15.4M Buy
74,907
+832
+1% +$161K 0.13% 160
2017
Q3 		$14.1M Sell
74,075
-42,294
-36% -$7.52M 0.12% 167
2017
Q2 		$19.3M Buy
116,369
+289
+0.2% +$46.1K 0.17% 145
2017
Q1 		$19M Sell
116,080
-11,693
-9% -$1.85M 0.17% 148
2016
Q4 		$18.6M Sell
127,773
-130
-0.1% -$18.9K 0.17% 148
2016
Q3 		$18.5M Buy
127,903
+3,662
+3% +$524K 0.16% 152
2016
Q2 		$17.5M Sell
124,241
-15,264
-11% -$2.5M 0.15% 163
2016
Q1 		$22.7M Buy
139,505
+8,403
+6% +$1.17M 0.2% 135
2015
Q4 		$20.9M Buy
131,102
+13,161
+11% +$2.26M 0.18% 138
2015
Q3 		$20.2M Buy
117,941
+18,348
+18% +$3.61M 0.18% 144
2015
Q2 		$21.8M Sell
99,593
-102
-0.1% -$22.7K 0.18% 143
2015
Q1 		$21.4M Sell
99,695
-71
-0.1% -$15K 0.18% 146
2014
Q4 		$21.2M Buy
99,766
+42,421
+74% +$8.43M 0.17% 145
2014
Q3 		$11.5M Buy
57,345
+44,858
+359% +$9.15M 0.09% 203
2014
Q2 		$2.56M Sell
12,487
-27
-0.2% -$5.22K 0.02% 395
2014
Q1 		$2.5M Sell
12,514
-15
-0.1% -$2.95K 0.02% 368
2013
Q4 		$2.72M Buy
12,529
+300
+2% +$59.9K 0.02% 354
2013
Q3 		$2.23M Buy
+12,229
New +$2.17M 0.02% 373

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

Gateway Investment Advisers's AMG Position: Q2 2026 in Review

Gateway Investment Advisers increased its Affiliated Managers Group (AMG) stake by 73% in Q2 2026, buying an estimated $861K and bringing the position to 6,561 shares worth $2.22M. The position accounts for 0.02% of the portfolio, ranked #279.

Gateway Investment Advisers first reported a position in AMG in Q3 2013 and has held it in 26 quarters since. The position peaked at $22.7M in Q1 2016. 566 funds tracked by Wall St. Rank hold AMG as of Q2 2026.

  • Gateway Investment Advisers held 6,561 shares of Affiliated Managers Group worth $2.22M as of Q2 2026.
  • Gateway Investment Advisers bought 2,777 Affiliated Managers Group shares in Q2 2026, an estimated $861K.
  • Affiliated Managers Group made up 0.02% of Gateway Investment Advisers's portfolio in Q2 2026, its #279 holding.
  • Gateway Investment Advisers first reported a position in Affiliated Managers Group in Q3 2013 and has held it in 26 quarters since.
  • Gateway Investment Advisers's Affiliated Managers Group position peaked at $22.7M in Q1 2016.
  • 566 funds tracked by Wall St. Rank held Affiliated Managers Group as of Q2 2026.

Based on Gateway Investment Advisers's 13F filing for Q2 2026, filed 20 Jul 2026.