519 hedge funds and large institutions have $9.94B invested in Ameren in 2017 Q4 according to their latest regulatory filings, with 62 funds opening new positions, 191 increasing their positions, 173 reducing their positions, and 46 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
519
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
$6.23M
Puts
$1.44M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
301
$647K
302
$620K
303
$610K
304
$604K
305
$591K
306
$586K
307
$585K
308
$583K
309
$582K
310
$580K
311
$579K
312
$565K
313
$561K
314
$560K
315
$556K
316
$545K
317
$531K
318
$517K
319
$512K
320
$509K
321
$502K
322
$501K
323
$498K
324
$497K
325
$497K