에이온 PLC
US ˙ NYSE ˙ IE00BLP1HW54

SecurityAON / Aon plc
InstitutionBartlett & Co. LLC
Latest Disclosed Ownership2,600 shares
Latest Disclosed Value $ 752
Bartlett & Co. LLC ownership in AON / Aon plc

On January 8, 2024 - Bartlett & Co. LLC filed a 13F-HR form disclosing ownership of 2,600 shares of Aon plc (US:AON) valued at $756,652 USD as of December 31, 2023. The entity filed a previous 13F-HR on October 10, 2023 disclosing 2,600 shares of Aon plc. The current value of the position is $854,178 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)
2024-01-08 2023-12-31 13F Aon PLC F COM G0403H108 2,600 0 0.00 1 0.0122
2023-10-10 2023-09-30 13F Aon PLC F COM G0403H108 2,600 0 0.00 1 0.0151
2023-07-14 2023-06-30 13F Aon PLC F COM G0403H108 2,600 0 0.00 1 0.0155
2023-04-06 2023-03-31 13F Aon PLC F COM G0403H108 2,600 0 0.00 1 -100.00 0.0158
2023-01-04 2022-12-31 13F Aon PLC F COM G0403H108 2,600 -9 -0.34 1 -100.00 0.0157
2022-10-17 2022-09-30 13F Aon PLC F COM G0403H108 2,609 -14 -0.53 699 -1.13 0.0150
2022-08-02 2022-06-30 13F Aon PLC F COM G0403H108 2,623 23 0.88 707 -16.53 0.0143
2022-05-13 2022-03-31 13F Aon PLC F COM G0403H108 2,600 -550 -17.46 847 -10.56 0.0148
2022-03-08 2021-12-31 13F Aon PLC F COM G0403H108 3,150 0 0.00 947 5.22 0.0161
2021-10-15 2021-09-30 13F Aon COM G0403H108 3,150 -100 -3.08 900 15.98 0.0172
2021-07-19 2021-06-30 13F Aon COM G0403H108 3,250 -100 -2.99 776 0.65 0.0148
2021-04-19 2021-03-31 13F Aon COM G0403H108 3,350 0 0.00 771 8.90 0.0155
2021-01-20 2020-12-31 13F Aon COM G0403H108 3,350 -100 -2.90 708 -0.56 0.0151
2020-10-20 2020-09-30 13F Aon COM G0403H108 3,450 -975 -22.03 712 -16.43 0.0167
2020-08-03 2020-06-30 13F Aon COM G0403H108 4,425 750 20.41 852 40.36 0.0223
2020-05-07 2020-03-31 13F Aon COM G0408V102 3,675 0 0.00 607 -14.63 0.0185
2019-11-04 2019-09-30 13F Aon COM G0408V102 3,675 3,661 26,150.00 711 23,600.00 0.0187
2019-07-24 2019-06-30 13F Aon COM G0408V102 14 5 55.56 3 50.00 0.0001
2019-04-23 2019-03-31 13F Aon COM G0408V102 9 9 2 0.0001
2014-02-05 2013-12-31 13F Aon COM G0408V102 0 -26 -100.00 0 -100.00
2013-11-04 2013-09-30 13F Aon COM G0408V102 26 26 2 0.0001
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.