Ameren Corporation
DE ˙ DB ˙ US0236081024
90,78 € ↓ -0,42 (-0,46%)
2026-06-04
AKTIENPREIS
SecurityDE:AE4 / Ameren Corporation
InstitutionQuantinno Capital Management LP
Latest Disclosed Ownership361,500 shares
Latest Disclosed Value $ 39,736,101
Quantinno Capital Management LP reports 76.08% increase in ownership of AE4 / Ameren Corporation

On May 15, 2026 - Quantinno Capital Management LP filed a 13F-HR form disclosing ownership of 361,500 shares of Ameren Corporation (DE:AE4) valued at $34,704,000 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 17, 2026 disclosing 205,308 shares of Ameren Corporation. This represents a change in shares of 76.08% during the quarter. The current value of the position is $32,816,970 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date		 Effective
Date		Form Security Class ID Avg Price
Paid (Est)		 Reported
Shares		 ΔShares ΔShares
(%)		 Reported
Value
(x1000)		 ΔValue
(%)		 Alloc
(%)		 ΔAlloc ΔAlloc (%) Cost Basis
(x1000)		 Unrealized
Gain/Loss
(x1000)
2026-05-15 2026-03-31 13F AMEREN COM 023608102 361,500 156,192 76.08 39,736 93.82 0.0663
2026-02-17 2025-12-31 13F AMEREN COM 023608102 205,308 69,436 51.10 20,502 44.56 0.0412
2025-11-14 2025-09-30 13F AMEREN COM 023608102 135,872 36,957 37.36 14,182 49.30 0.0387
2025-08-14 2025-06-30 13F AMEREN COM 023608102 98,915 27,303 38.13 9,500 32.13 0.0410
2025-05-12 2025-03-31 13F AMEREN COM 023608102 71,612 21,658 43.36 7,190 61.48 0.0468
2025-02-14 2024-12-31 13F AMEREN COM 023608102 49,954 12,420 33.09 4,453 35.65 0.0438
2024-11-14 2024-09-30 13F AMEREN COM 023608102 37,534 13,967 59.27 3,283 95.94 0.0427
2024-08-14 2024-06-30 13F AMEREN COM 023608102 23,567 8,343 54.80 1,676 48.76 0.0301
2024-05-14 2024-03-31 13F AMEREN COM 023608102 15,224 10,086 196.30 1,126 202.69 0.0245
2024-02-14 2023-12-31 13F AMEREN COM 023608102 5,138 -10,018 -66.10 372 -67.20 0.0130
2023-11-14 2023-09-30 13F AMEREN COM 023608102 15,156 8,315 121.55 1,134 102.86 0.0516
2023-08-04 2023-06-30 13F AMEREN COM 023608102 6,841 2,864 72.01 559 62.50 0.0319
2023-05-03 2023-03-31 13F AMEREN COM 023608102 3,977 3,977 344 0.0227
2020-02-14 2019-12-31 13F AMEREN COM 023608102 0 -3,302 -100.00 0 -100.00
2019-11-14 2019-09-30 13F AMEREN COM 023608102 3,302 -2,875 -46.54 264 -43.10 0.1778
2019-08-14 2019-06-30 13F AMEREN COM 023608102 6,177 0 0.00 464 2.20 0.2724
2019-05-14 2019-03-31 13F AMEREN COM 023608102 6,177 -2,292 -27.06 454 -17.75 0.2908
2019-02-14 2018-12-31 13F AMEREN COM 023608102 8,469 8,469 552 0.4496
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.