AON CORP's ticker is AON and the CUSIP is 037389103. A total of 6 filers reported holding AON CORP in Q4 2011. The put-call ratio across all filers is - and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2012 | $531,000 | +154.1% | 10,875 | +143.0% | 0.01% | +160.0% |
| Q4 2011 | $209,000 | +11.2% | 4,475 | 0.0% | 0.01% | 0.0% |
| Q3 2011 | $188,000 | -17.9% | 4,475 | 0.0% | 0.01% | -16.7% |
| Q2 2011 | $229,000 | -5.8% | 4,475 | -2.7% | 0.01% | 0.0% |
| Q1 2011 | $243,000 | +17.4% | 4,597 | +2.6% | 0.01% | +20.0% |
| Q4 2010 | $207,000 | – | 4,481 | – | 0.01% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| YHB Investment Advisors, Inc. | 57,050 | $6,232,000 | 1.37% |
| AR ASSET MANAGEMENT INC | 11,618 | $1,269,000 | 0.53% |
| WESTPORT RESOURCES MANAGEMENT INC | 7,175 | $784,000 | 0.25% |
| Gulf International Bank (UK) Ltd | 81,688 | $8,922,000 | 0.15% |
| LMR Partners LLP | 7,114 | $777,000 | 0.12% |