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879 hedge funds and large institutions have $23.2B invested in Ameren in 2025 Q4 according to their latest regulatory filings, with 142 funds opening new positions, 336 increasing their positions, 238 reducing their positions, and 70 closing their positions.

New
Increased
Maintained
Reduced
Closed

103% more first-time investments, than exits

New positions opened: 142 | Existing positions closed: 70

50% more funds holding in top 10

Funds holding in top 10: 46 (+2)

41% more repeat investments, than reductions

Existing positions increased: 336 | Existing positions reduced: 238

7% more funds holding

Funds holding: 823879 (+56)

0.45% more ownership

Funds ownership: 85.26%85.71% (+0.45%)

4% less capital invested

Capital invested by funds: $24.1B → $23.2B (-$905M)

40% less call options, than puts

Call options by funds: $19.8M | Put options by funds: $32.8M

Holders
879
Holders Change
+56
Holders Change %
+6.8%
% of All Funds
10.7%
Holding in Top 10
6
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+50%
% of All Funds
0.07%
New
142
Increased
336
Reduced
238
Closed
70
Calls
$19.8M
Puts
$32.8M
Net Calls
-$13M
Net Calls Change
-$24.3M
Name Holding Trade Value Shares
Change
Change in
Stake
MI
876
Motiv8 Investments
Florida
$178 +$182K +1,778 New
RS
877
Rakuten Securities
Japan
$100 -$513 -5 -83%
MMCM
878
Murphy & Mullick Capital Management
New York
$100 +$103 +1 New
Voloridge Investment Management
879
Voloridge Investment Management
Florida
-$40.8M -391,046 Closed
Adage Capital Partners
880
Adage Capital Partners
Massachusetts
-$25.7M -246,190 Closed
HF
881
HRT Financial
New York
-$13.1M -125,194 Closed
BGM
882
Burkehill Global Management
New York
-$10.4M -100,000 Closed
Zurich Cantonal Bank
883
Zurich Cantonal Bank
Switzerland
-$6.91M -67,424 Closed
AP
884
Advisors Preferred
Maryland
-$6.32M -61,119 Closed
SW
885
SteelPeak Wealth
California
-$3.1M -29,716 Closed
OQS
886
Occudo Quantitative Strategies
Florida
-$2.93M -28,056 Closed
CIBC World Market
887
CIBC World Market
Ontario, Canada
-$2.83M -27,105 Closed
AIM
888
Ausbil Investment Management
Australia
-$2.31M -22,356 Closed
DS
889
DRW Securities
Illinois
-$2.28M -21,872 Closed
GP
890
Gallo Partners
New Jersey
-$1.58M -15,091 Closed
FBFS
891
First Business Financial Services
Wisconsin
-$1.16M -11,155 Closed
YIH
892
Y-Intercept (HK)
Hong Kong
-$1.1M -10,508 Closed
EF
893
Empowered Funds
Pennsylvania
-$986K -9,448 Closed
MC
894
Machina Capital
France
-$888K -8,508 Closed
JF
895
Jump Financial
Illinois
-$847K -8,110 Closed
BCM
896
Bayesian Capital Management
New York
-$771K -7,385 Closed
OC
897
Oppenheimer & Co
New York
-$670K -6,418 Closed
SSA
898
Schonfeld Strategic Advisors
New York
-$621K -5,951 Closed
PCA
899
Prosperity Capital Advisors
Ohio
-$556K -5,328 Closed
Connor, Clark & Lunn Investment Management (CC&L)
900
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
-$488K -4,673 Closed