Marshall Wace
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Marshall Wace’s Ameren AEE Stock Holding History

Marshall Wace’s Portfolio AEE Stock Details AEE Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$26.8M Buy
+236,904
New +$26.2M 0.02% 602
2026
Q1 		– Sell
-697,164
Closed -$69.6M – 3137
2025
Q4 		$69.6M Sell
697,164
-82,166
-11% -$8.43M 0.06% 260
2025
Q3 		$81.3M Sell
779,330
-74,613
-9% -$7.45M 0.08% 211
2025
Q2 		$82M Buy
853,943
+154,925
+22% +$15M 0.09% 208
2025
Q1 		$70.2M Buy
+699,018
New +$67.3M 0.09% 197
2024
Q4 		– Sell
-9,100
Closed -$796K – 2536
2024
Q3 		$796K Buy
+9,100
New +$729K ﹤0.01% 1743
2022
Q4 		– Sell
-24,925
Closed -$2.01M – 2886
2022
Q3 		$2.01M Sell
24,925
-69,907
-74% -$6.38M ﹤0.01% 2010
2022
Q2 		$8.57M Buy
94,832
+72,480
+324% +$6.71M 0.02% 965
2022
Q1 		$2.1M Sell
22,352
-46,174
-67% -$4.04M ﹤0.01% 2022
2021
Q4 		$6.1M Buy
+68,526
New +$5.82M 0.01% 1212
2021
Q3 		– Sell
-3,321
Closed -$266K – 2970
2021
Q2 		$266K Buy
+3,321
New +$278K ﹤0.01% 2364
2020
Q4 		– Sell
-15,297
Closed -$1.21M – 1837
2020
Q3 		$1.21M Sell
15,297
-1,027
-6% -$80.6K 0.01% 955
2020
Q2 		$1.15M Buy
+16,324
New +$1.18M 0.01% 959
2020
Q1 		– Sell
-32,065
Closed -$2.46M – 1593
2019
Q4 		$2.46M Sell
32,065
-90,737
-74% -$6.89M 0.02% 754
2019
Q3 		$9.83M Buy
+122,802
New +$9.43M 0.08% 300
2019
Q2 		– Sell
-50,165
Closed -$3.69M – 1305
2019
Q1 		$3.69M Buy
+50,165
New +$3.5M 0.03% 557
2018
Q1 		– Sell
-11,868
Closed -$700K – 546
2017
Q4 		$700K Buy
+11,868
New +$729K 0.03% 271
2017
Q1 		– Sell
-10,760
Closed -$564K – 302
2016
Q4 		$564K Buy
+10,760
New +$533K ﹤0.01% 828

Other funds holding AEE

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Franklin Resources
Franklin Resources San Mateo, California $462B AUM 39.16% 1-Year Est. Return
Ameriprise
Ameriprise Minneapolis, Minnesota $495B AUM 43.24% 1-Year Est. Return
JT
Jupiter Topco New York $245B AUM

Marshall Wace's AEE Position: Q2 2026 in Review

Marshall Wace opened a new position in Ameren (AEE) in Q2 2026: 236,904 shares worth $26.8M. The stake represents 0.02% of the portfolio and ranks #602 among its holdings. This is a return to the name: Marshall Wace previously reported a position in AEE as recently as Q4 2025.

Marshall Wace first reported a position in AEE in Q4 2016 and has held it in 18 quarters since. The position peaked at $82M in Q2 2025. 952 funds tracked by Wall St. Rank hold AEE as of Q2 2026.

  • Marshall Wace held 236,904 shares of Ameren worth $26.8M as of Q2 2026.
  • Ameren was a new Marshall Wace position in Q2 2026.
  • Ameren made up 0.02% of Marshall Wace's portfolio in Q2 2026, its #602 holding.
  • Marshall Wace first reported a position in Ameren in Q4 2016 and has held it in 18 quarters since.
  • Marshall Wace's Ameren position peaked at $82M in Q2 2025.
  • 952 funds tracked by Wall St. Rank held Ameren as of Q2 2026.

Based on Marshall Wace's 13F filing for Q2 2026, filed 13 Aug 2026.