아메렌 코퍼레이션
US ˙ NYSE ˙ US0236081024

SecurityAEE / Ameren Corporation
InstitutionNumeric Investors Llc
Latest Disclosed Ownership222,300 shares
Latest Disclosed Value $ 13,113,000
Numeric Investors Llc reports 99.91% increase in ownership of AEE / Ameren Corporation

On February 14, 2018 - Numeric Investors Llc filed a 13F-HR form disclosing ownership of 222,300 shares of Ameren Corporation (US:AEE) valued at $13,113,477 USD as of December 31, 2017. The entity filed a previous 13F-HR on November 14, 2017 disclosing 111,200 shares of Ameren Corporation. This represents a change in shares of 99.91% during the quarter. The current value of the position is $24,290,721 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)
2018-02-14 2017-12-31 13F AMEREN COM 023608102 222,300 111,100 99.91 13,113 103.87 0.0954
2017-11-14 2017-09-30 13F AMEREN COM 023608102 111,200 102,200 1,135.56 6,432 1,207.32 0.0494
2017-08-14 2017-06-30 13F AMEREN COM 023608102 9,000 4,100 83.67 492 84.27 0.0044
2017-05-15 2017-03-31 13F AMEREN COM 023608102 4,900 4,900 267 0.0024
2017-02-27 2016-09-30 13F/A-1 AMEREN COM 023608102 0 -108,080 -100.00 0 -100.00
2016-08-15 2016-06-30 13F AMEREN COM 023608102 108,080 -478,220 -81.57 5,791 -80.29 0.0517
2016-05-06 2016-03-31 13F AMEREN COMM 023608102 586,300 -378,400 -39.22 29,374 -29.57 0.3103
2016-02-01 2015-12-31 13F AMEREN COMM 023608102 964,700 73,200 8.21 41,704 10.67 0.4479
2015-11-12 2015-09-30 13F AMEREN COMM 023608102 891,500 264,226 42.12 37,684 45.81 0.4379
2014-05-06 2014-03-31 13F AMEREN COMM 023608102 627,274 627,274 25,844 0.4394
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.