Ameren Corporation
US ˙ NYSE ˙ US0236081024

SecurityAEE / Ameren Corporation
InstitutionAperio Group, LLC
Latest Disclosed Ownership145,574 shares
Latest Disclosed Value $ 11,363,000
Aperio Group, LLC reports 4.65% decrease in ownership of AEE / Ameren Corporation

On February 5, 2021 - Aperio Group, LLC filed a 13F-HR form disclosing ownership of 145,574 shares of Ameren Corporation (US:AEE) valued at $11,363,506 USD as of December 31, 2020. The entity filed a previous 13F-HR on November 6, 2020 disclosing 152,679 shares of Ameren Corporation. This represents a change in shares of -4.65% during the quarter. The current value of the position is $15,906,871 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)
2021-02-05 2020-12-31 13F AMEREN COM 023608102 145,574 -7,105 -4.65 11,363 -5.89 0.0336
2020-11-06 2020-09-30 13F AMEREN COM 023608102 152,679 -19,574 -11.36 12,074 -0.38 0.0408
2020-08-13 2020-06-30 13F AMEREN COM 023608102 172,253 -15,110 -8.06 12,120 -11.18 0.0448
2020-05-05 2020-03-31 13F AMEREN COM 023608102 187,363 21,924 13.25 13,646 7.40 0.0603
2020-02-13 2019-12-31 13F AMEREN COM 023608102 165,439 -3,275 -1.94 12,706 -5.92 0.0456
2019-11-06 2019-09-30 13F AMEREN COM 023608102 168,714 11,726 7.47 13,505 14.53 0.0534
2019-07-30 2019-06-30 13F AMEREN COM 023608102 156,988 24,327 18.34 11,792 20.86 0.0482
2019-05-13 2019-03-31 13F AMEREN COM 023608102 132,661 -543 -0.41 9,757 12.29 0.0421
2019-05-06 2018-12-31 13F/A-1 AMEREN COM 023608102 133,204 17,517 15.14 8,689 18.82 0.0438
2019-02-14 2018-12-31 13F AMEREN COM 023608102 134,945 19,258 8,802
2019-05-06 2018-09-30 13F/A-1 AMEREN COM 023608102 115,687 8,250 7.68 7,313 11.85 0.0323
2018-10-17 2018-09-30 13F AMEREN CORP COM COMMON 023608102 115,687 8,250 7,314
2019-05-06 2018-06-30 13F/A-1 AMEREN COM 023608102 107,437 -9,326 -7.99 6,538 -1.12 0.0313
2018-07-30 2018-06-30 13F AMEREN CORP COM COMMON 023608102 107,437 -9,326 6,538
2019-05-01 2018-03-31 13F/A-1 AMEREN COM 023608102 116,763 5,925 5.35 6,612 1.13 0.0329
2018-05-08 2018-03-31 13F AMEREN CORP COM COMMON 023608102 116,763 5,925 6,612
2019-05-01 2017-12-31 13F/A-1 AMEREN COM 023608102 110,838 7,851 7.62 6,538 9.75 0.0338
2018-02-02 2017-12-31 13F AMEREN CORP COM COMMON 023608102 110,838 7,851 6,538
2019-05-01 2017-09-30 13F/A-1 AMEREN COM 023608102 102,987 9,658 10.35 5,957 16.76 0.0337
2017-10-25 2017-09-30 13F AMEREN CORP COM COMMON 023608102 102,987 9,658 5,957
2019-04-22 2017-06-30 13F/A-1 AMEREN COM 023608102 93,329 16,132 20.90 5,102 21.07 0.0313
2017-07-18 2017-06-30 13F AMEREN CORP COM COMMON 023608102 93,329 16,132 5,102
2019-04-22 2017-03-31 13F/A-1 AMEREN COM 023608102 77,197 4,801 6.63 4,214 10.98 0.0288
2017-05-05 2017-03-31 13F AMEREN CORP COM COMMON 023608102 77,197 4,801 4,214
2019-04-22 2016-12-31 13F/A-1 AMEREN COM 023608102 72,396 -10,633 -12.81 3,797 -7.00 0.0291
2017-02-14 2016-12-31 13F AMEREN CORP COM COMMON 023608102 72,396 -10,633 3,798
2019-04-12 2016-09-30 13F/A-1 AMEREN COM 023608102 83,029 10,786 14.93 4,083 5.48 0.0296
2016-11-01 2016-09-30 13F AMEREN CORP COM COMMON 023608102 83,029 10,786 4,083
2019-04-12 2016-06-30 13F/A-1 AMEREN COM 023608102 72,243 646 0.90 3,871 7.92 0.0303
2016-08-12 2016-06-30 13F AMEREN CORP COM COMMON 023608102 72,243 646 3,871
2019-04-12 2016-03-31 13F/A-1 AMEREN COM 023608102 71,597 5,834 8.87 3,587 26.17 0.0307
2016-04-28 2016-03-31 13F AMEREN CORP COM COMMON 023608102 71,597 5,834 3,587
2016-01-21 2015-12-31 13F AMEREN CORP COM COMMON 023608102 65,763 2,592 4.10 2,843 6.48 0.0260
2015-10-19 2015-09-30 13F AMEREN CORP COM COMMON 023608102 63,171 9,084 16.80 2,670 31.01 0.0272
2015-07-29 2015-06-30 13F AMEREN CORP COM COMMON 023608102 54,087 -4,483 -7.65 2,038 -17.56 0.0210
2015-04-29 2015-03-31 13F AMEREN CORP COM COMMON 023608102 58,570 58,570 0.00 2,472 0.0277
2015-01-30 2014-12-31 13F AMEREN CORP COM COMMON 023608102 0 -50,078 -100.00 0 -100.00
2014-10-21 2014-09-30 13F AMEREN CORP COM COMMON 023608102 50,078 -885 -1.74 1,919 -7.87 0.0259
2014-07-23 2014-06-30 13F AMEREN CORP COM COMMON 023608102 50,963 2,683 5.56 2,083 4.73 0.0302
2014-04-25 2014-03-31 13F AMEREN CORP COM COMMON 023608102 48,280 1,989 31.03 0.0280
2014-01-30 2013-12-31 13F AMEREN CORP COM COMMON 023608102 1,518 27.56 0.0236
2013-10-24 2013-09-30 13F AMEREN CORP COM COMMON 023608102 34,151 -2,906 -7.84 1,190 -6.74 0.0230
2013-07-19 2013-06-30 13F AMEREN CORP COM COMMON 023608102 37,057 37,057 1,276 0.0303
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.