AON
Aon PLC
Aon PLC historical holders
total: 18
Dodge & Cox Stock Fund Aon PLC transactions over time
- Total transactions:
- 2
- New positions:
- 1
- Added:
- 1
- Held since:
- 2025 Q3
- Held for:
- 3 quarters
- Latest activity:
- 2025 Q4
Dodge & Cox Stock Fund has been an institutional investor in Aon PLC (AON) since 2025 Q3. According to 2026 Q1 report, Dodge & Cox Stock Fund holds 3,684,200 shares with a market value of roughly $1.19B representing 1.04% of their equity portfolio. The fund/company first acquired AON in 2025 Q3, initially purchasing about 1.80M shares. Since the initial investment, Dodge & Cox Stock Fund has made 1 more transaction in this position.
Does Dodge & Cox Stock Fund still hold AON?
Yes, Dodge & Cox Stock Fund continues to hold Aon PLC (AON). According to their 2026 Q1 report, they maintain a position of 3,684,200 shares valued at approximately $1.19B, representing 1.04% of their equity portfolio.
When did Dodge & Cox Stock Fund first invest in AON?
Dodge & Cox Stock Fund first invested in Aon PLC (AON) in 2025 Q3 at the reported quarter-end price of $356.58 per share, acquiring 1,798,700 shares in their initial purchase.
What is Dodge & Cox Stock Fund's average cost basis for AON?
Based on historical transaction data, Dodge & Cox Stock Fund's estimated cost basis for Aon PLC (AON) is approximately $354.69 per share. This represents their average reported price* across all buy transactions.
Estimated cost basis*
- Weighted AVG buy price:
- $354.69
AON transactions history by Dodge & Cox Stock Fund
2 results
| Period |
% of portfolio |
Shares held after* |
Reported price* |
Value* |
% (shares) of activity |
% change to portfolio |
|---|---|---|---|---|---|---|
|
2025 Q4
|
1.09%
|
3,684,200
|
$352.88
|
$1,300,080,496
|
+104.83% (+1,885,500)
|
+0.56%
|
|
2025 Q3
|
0.53%
|
1,798,700
|
$356.58
|
$641,380,446
|
new
|
+0.53%
|
* Shares, change to shares, sold shares, shares held after: split-adjusted.
* Reported price: this doesn't represent the actual buy or sell price. It is the split-adjusted price of the security as of the last day of the reported period.
If the security is completely sold out, we show the reported split-adjusted price prior to the actual period.
If the security is completely sold out, we show the reported split-adjusted price prior to the actual period.
* Estimated cost basis: based on "Reported price*" (not earlier than 2013 Q2). Calculation starts from the latest "new buy" activity to the latest "close out" activity (if any).
* Value or Price: If the security is completely sold out, we show the reported value (or price) prior to the actual period.
* New buy or own: this means there is no earlier reporting (for us or in general). So we can't know if the actual purchase of the security happened at the reported period or earlier.