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944 hedge funds and large institutions have $27.6B invested in Ameren in 2026 Q2 according to their latest regulatory filings, with 109 funds opening new positions, 399 increasing their positions, 245 reducing their positions, and 78 closing their positions.

New
Increased
Maintained
Reduced
Closed

77% more call options, than puts

Call options by funds: $18M | Put options by funds: $10.1M

63% more repeat investments, than reductions

Existing positions increased: 399 | Existing positions reduced: 245

40% more first-time investments, than exits

New positions opened: 109 | Existing positions closed: 78

8% more capital invested

Capital invested by funds: $25.7B → $27.6B (+$1.95B)

3.7% more ownership

Funds ownership: 84.65%88.35% (+3.7%)

2% more funds holding

Funds holding: 928944 (+16)

14% less funds holding in top 10

Funds holding in top 10: 76 (-1)

Holders
944
Holders Change
+16
Holders Change %
+1.72%
% of All Funds
11.4%
Holding in Top 10
6
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-14.29%
% of All Funds
0.07%
New
109
Increased
399
Reduced
245
Closed
78
Calls
$18M
Puts
$10.1M
Net Calls
+$7.86M
Net Calls Change
+$14.1M
Name Holding Trade Value Shares
Change
Change in
Stake
WorldQuant Millennium Advisors
76
WorldQuant Millennium Advisors
New York
$45.2M +$23.3M +211,058 +112%
National Pension Service
77
National Pension Service
South Korea
$44.5M +$416K +3,761 +1%
ACG
78
Aventail Capital Group
New York
$44.1M +$8.68M +78,566 +25%
Bank of Montreal
79
Bank of Montreal
Ontario, Canada
$43.5M +$3.58M +32,420 +9%
CBU
80
CIBC Bancorp USA
Illinois
$43.4M -$5.86M -53,060 -12%
SEI Investments
81
SEI Investments
Pennsylvania
$43.3M -$23.4M -211,352 -36%
Acadian Asset Management
82
Acadian Asset Management
Massachusetts
$42.2M +$16.5M +149,429 +67%
MMA
83
Mizuho Markets Americas
New York
$40M +$39.1M +354,000 New
Hudson Bay Capital Management
84
Hudson Bay Capital Management
Connecticut
$38.6M -$3.54M -32,029 -9%
Victory Capital Management
85
Victory Capital Management
Texas
$37.1M +$95K +860 +0.3%
Principal Financial Group
86
Principal Financial Group
Iowa
$37M +$423K +3,831 +1%
CCM
87
Chilton Capital Management
Texas
$34.8M -$23.1M -208,890 -40%
MAM
88
Magellan Asset Management
Australia
$34.6M +$809K +7,322 +2%
Fidelity International
89
Fidelity International
Bermuda
$34.2M +$2.98M +26,945 +10%
LPL Financial
90
LPL Financial
California
$33.8M +$3.62M +32,737 +12%
GIA
91
Gateway Investment Advisers
Ohio
$33.1M +$42.9K +388 +0.1%
YCM
92
Yaupon Capital Management
New York
$32.1M -$13.1M -118,832 -29%
GAM
93
Gotham Asset Management
New York
$31.6M +$3.03M +27,393 +11%
Vanguard Investments Australia
94
Vanguard Investments Australia
Australia
$31.2M +$1.62M +14,686 +6%
Creative Planning
95
Creative Planning
Kansas
$30.4M +$9.05M +81,918 +44%
LIP
96
Lighthouse Investment Partners
Florida
$29.3M +$26.4M +238,912 +1,156%
Schroder Investment Management Group
97
Schroder Investment Management Group
United Kingdom
$28M +$248K +2,244 +0.9%
MF
98
Milford Funds
$27.8M
CIBC Asset Management
99
CIBC Asset Management
Ontario, Canada
$27.7M +$8.01M +72,529 +42%
State Board of Administration of Florida Retirement System
100
State Board of Administration of Florida Retirement System
Florida
$27.1M -$174K -1,579 -0.7%

AEE Hedge Fund Activity: Q2 2026 in Review

944 of the 8,279 institutional investors tracked by Wall St. Rank reported a position in Ameren (AEE) for Q2 2026, worth a combined $27.6B — up 7.6% from $25.7B a quarter earlier.

Buyers outnumbered sellers: 109 funds opened new AEE positions and 78 closed out — a net gain of 31 holders — while 399 added to existing stakes and 245 trimmed.

The largest buyer was T. Rowe Price Investment Management, adding an estimated $508M. The largest seller was Qube Research & Technologies (QRT), cutting an estimated $120M.

  • 944 institutional investors held Ameren (AEE) as of Q2 2026, up from 928 in Q1 2026.
  • Funds reported $27.6B of Ameren stock for Q2 2026, up 7.6% quarter-over-quarter.
  • 109 funds opened new Ameren positions in Q2 2026 and 78 closed out, a net change of +31 holders.
  • The largest Ameren buyer in Q2 2026 was T. Rowe Price Investment Management, an estimated $508M added.
  • The largest Ameren seller in Q2 2026 was Qube Research & Technologies (QRT), an estimated $120M sold.

Based on aggregated 13F filings for Q2 2026.