Ameren
880 hedge funds and large institutions have $23.1B 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.
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: 4 → 6 (+2)
41% more repeat investments, than reductions
Existing positions increased: 336 | Existing positions reduced: 238
7% more funds holding
Funds holding: 824 → 880 (+56)
0.42% more ownership
Funds ownership: 85.26% → 85.68% (+0.42%)
4% less capital invested
Capital invested by funds: $24.1B → $23.1B (-$909M)
40% less call options, than puts
Call options by funds: $19.8M | Put options by funds: $32.8M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Citadel Advisors
Miami,
Florida
|
+$170M |
| 2 |
BlackRock
New York
|
+$124M |
| 3 |
Point72 Asset Management
Stamford,
Connecticut
|
+$98.2M |
| 4 |
Lazard Asset Management
New York
|
+$94M |
| 5 |
CCMG
Clark Capital Management Group
Philadelphia,
Pennsylvania
|
+$68.4M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
T. Rowe Price Associates
Baltimore,
Maryland
|
-$703M |
| 2 |
JP Morgan Chase
New York
|
-$245M |
| 3 |
Voloridge Investment Management
Jupiter,
Florida
|
-$40.8M |
| 4 |
ECM
ExodusPoint Capital Management
New York
|
-$38.3M |
| 5 |
Squarepoint
New York
|
-$31.9M |
AEE Hedge Fund Activity: Q4 2025 in Review
880 of the 8,266 institutional investors tracked by Wall St. Rank reported a position in Ameren (AEE) for Q4 2025, worth a combined $23.1B — down 3.8% from $24.1B a quarter earlier.
Buyers outnumbered sellers: 142 funds opened new AEE positions and 70 closed out — a net gain of 72 holders — while 336 added to existing stakes and 238 trimmed.
The largest buyer was Citadel Advisors, adding an estimated $170M. The largest seller was T. Rowe Price Associates, cutting an estimated $703M.
- 880 institutional investors held Ameren (AEE) as of Q4 2025, up from 824 in Q3 2025.
- Funds reported $23.1B of Ameren stock for Q4 2025, down 3.8% quarter-over-quarter.
- 142 funds opened new Ameren positions in Q4 2025 and 70 closed out, a net change of +72 holders.
- The largest Ameren buyer in Q4 2025 was Citadel Advisors, an estimated $170M added.
- The largest Ameren seller in Q4 2025 was T. Rowe Price Associates, an estimated $703M sold.
Based on aggregated 13F filings for Q4 2025.