799 hedge funds and large institutions have $22.3B invested in Ameren in 2025 Q1 according to their latest regulatory filings, with 135 funds opening new positions, 311 increasing their positions, 211 reducing their positions, and 55 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
799
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
7
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$12.5M
Puts
$11.4M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
1
$3.45B
2
$2.85B
3
$2.07B
4
$1.35B
5
$1.31B
6
$706M
7
$607M
8
$559M
9
$468M
10
$464M
11
$359M
12
$316M
13
$284M
14
$283M
15
$249M
16
$245M
17
$241M
18
$239M
19
$230M
20
$217M
21
$196M
22
$188M
23
$173M
24
$170M
25
$168M