541 hedge funds and large institutions have $9.52B invested in Ameren in 2018 Q1 according to their latest regulatory filings, with 71 funds opening new positions, 165 increasing their positions, 201 reducing their positions, and 42 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding

Funds holding:

more funds holding in top 10

Funds holding in top 10:

0.28% less ownership

Funds ownership: 69.78%69.51% (-0.28%)

4% less capital invested

Capital invested by funds: $9.94B → $9.52B (-$420M)

18% less repeat investments, than reductions

Existing positions increased: 165 | Existing positions reduced: 201

Holders
541
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
5
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$7.87M
Puts
$3.73M
Net Calls
Net Calls Change

Top Buyers

1 +$200M
2 +$105M
3 +$41.8M
4
Renaissance Technologies
Renaissance Technologies
New York
+$36.1M
5
ZP
Zimmer Partners
New York
+$31.5M
Name Holding Trade Value Shares
Change
Change in
Stake
1
$1.47B
2
$930M
3
$681M
4
$313M
5
$277M
6
$270M
7
$254M
8
$216M
9
$171M
10
$166M
11
$153M
12
$146M
13
$146M
14
$123M
15
$120M
16
$120M
17
$108M
18
$105M
19
$105M
20
$103M
21
$95.6M
22
$95.2M
23
$95M
24
$81.7M
25
$74M