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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
10.69%
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
KTC
301
Kentucky Trust Company
Kentucky
$1.47M +$10.3K +100 +0.7%
Canada Pension Plan Investment Board
302
Canada Pension Plan Investment Board
Ontario, Canada
$1.46M +$97.8K +954 +7%
GIBU
303
Gulf International Bank (UK)
United Kingdom
$1.45M
SWP
304
Stratos Wealth Partners
Ohio
$1.43M +$5.02K +49 +0.3%
BCA
305
Bay Colony Advisors
Massachusetts
$1.41M +$14.3K +139 +1%
Jane Street
306
Jane Street
New York
$1.41M -$5.4M -52,694 -79%
MSRPS
307
Maryland State Retirement & Pension System
Maryland
$1.38M
LSERS
308
Louisiana State Employees Retirement System
Louisiana
$1.38M -$41K -400 -3%
MFWP
309
Mosaic Family Wealth Partners
Missouri
$1.37M -$11.5K -112 -0.8%
NP
310
Ninepoint Partners
Ontario, Canada
$1.37M -$272K -2,655 -16%
OAM
311
OP Asset Management
$1.36M +$1.4M +13,663 New
HA
312
Huntleigh Advisors
Missouri
$1.34M +$3.79K +37 +0.3%
PA
313
Profund Advisors
Maryland
$1.34M -$73.3K -715 -5%
OIC
314
Orion Investment Company
Missouri
$1.33M -$10.3K -100 -0.7%
CIA
315
Concurrent Investment Advisors
Florida
$1.33M +$1.36M +13,284 New
AC
316
Avestar Capital
New York
$1.33M +$519K +5,062 +62%
DIA
317
Dana Investment Advisors
Wisconsin
$1.33M -$2.26K -22 -0.2%
AV
318
Alamea Verwaltungs
New Jersey
$1.28M +$289K +2,823 +30%
BFM
319
Boothbay Fund Management
New York
$1.26M +$1.29M +12,577 New
NMERB
320
New Mexico Educational Retirement Board
New Mexico
$1.24M +$20.5K +200 +2%
ECSS
321
Eurizon Capital SGR SpA
$1.23M +$1.27M +12,364 New
FWCM
322
Ferguson Wellman Capital Management
Oregon
$1.23M -$22.6K -220 -2%
MYIA
323
Mount Yale Investment Advisors
Colorado
$1.23M +$718K +7,002 +131%
VA
324
Vident Advisory
Georgia
$1.23M -$59.5K -580 -5%
KAM
325
KEB Asset Management
Illinois
$1.22M -$33.8K -330 -3%