823 hedge funds and large institutions have $24.1B invested in Ameren in 2025 Q3 according to their latest regulatory filings, with 97 funds opening new positions, 332 increasing their positions, 227 reducing their positions, and 64 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
823
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
4
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$15.4M
Puts
$4.12M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
1
$3.67B
2
$2.99B
3
$2.27B
4
$1.62B
5
$1.47B
6
$762M
7
$656M
8
$537M
9
$505M
10
$493M
11
$426M
12
$353M
13
$332M
14
$318M
15
$302M
16
$290M
17
$245M
18
$240M
19
$232M
20
$225M
21
$221M
22
$215M
23
$187M
24
$181M
25
$163M