Aon plc (AON)
- Sector
- Financials
- Industry
- Insurance Brokers
- Last price
- $275.35
- As of
Kresmion compiles this page from AON's SEC filings, its 13F institutional holders and the market events Kresmion detects, each linked to its source.
Aon plc (AON): 7 institutional managers tracked by Kresmion reported non-option positions in their 2026Q2 Form 13F filings, and the most recent SEC filing on record for the company is a Form 8-K filed 2026-09-22.
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Preview the AON dossierActive signals for AON
- mediumHIGH_RATE_ISSUANCE
Bond issued at elevated rate 5.35%, above the credit-stress threshold
- highINSTITUTIONAL_SURGE
CITADEL ADVISORS LLC added +63% to AON (2026Q2)
- highINSTITUTIONAL_SURGE
CITADEL ADVISORS LLC added +398% to AON (2026Q2)
- highINSTITUTIONAL_SURGE
CITADEL ADVISORS LLC added +956% to AON (2026Q2)
- highINSTITUTIONAL_SURGE
MILLENNIUM MANAGEMENT LLC added +1332% to AON (2026Q2)
FREE, NO ACCOUNT
Every signal on AON, as it fires
You are seeing 5 of 32 signals recorded on AON since 2026-05-02.
The five above landed across 2 days. The other 27 were recorded on 3 other days. 29 of the 32 are institutional flow rows, which arrive in batches on filing days.
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Largest reported share positions in AON (2026Q2)
| Manager / security | Market value | % portfolio | QoQ |
|---|---|---|---|
| VIKING GLOBAL INVESTORS LPCUSIP G0403H108 · 2026Q2 | $381.9M | 1.09% | , |
| BAUPOST GROUP LLC/MACUSIP G0403H108 · 2026Q2 | $227.9M | 4.21% | , |
| MILLENNIUM MANAGEMENT LLCCUSIP G0403H108 · 2026Q2 | $103.6M | 0.04% | , |
| CITADEL ADVISORS LLCCUSIP G0403H108 · 2026Q2 | $35M | 0.00% | , |
| D. E. Shaw & Co., Inc.CUSIP G0403H108 · 2026Q2 | $11.5M | 0.01% | , |
| Bridgewater Associates, LPCUSIP G0403H108 · 2026Q2 | $5.2M | 0.02% | , |
| TWO SIGMA INVESTMENTS, LPCUSIP G0403H108 · 2026Q2 | $2.1M | 0.00% | , |
Quarterly SEC Form 13F disclosures from the managers Kresmion tracks, not a complete ownership ranking. Non-option holdings only; reported put and call positions are excluded. Different securities are labeled by CUSIP. Values are reporting-period snapshots, not current position values. Filings can arrive up to 45 days after quarter-end.
Recent SEC filings, AON
- 8-KSEC EDGAR ↗
- 8-KSEC EDGAR ↗
- 8-KSEC EDGAR ↗
- 8-KSEC EDGAR ↗
- 8-KSEC EDGAR ↗
- 10-QSEC EDGAR ↗
- 8-KSEC EDGAR ↗
- 8-KSEC EDGAR ↗
- 10-QSEC EDGAR ↗
- 8-KSEC EDGAR ↗
AON against its peers
AON's operating margin of 25.3% ranks in the 85th percentile of 16 Insurance Brokers sub-industry peers, fiscal periods ending between 2025-06-30 and 2026-06-30.
| Metric | AON | Peer median | Percentile | n |
|---|---|---|---|---|
| Revenue FY | 17.2B USD | 932M USD | 91 | 16 |
| Revenue YoY | n/a | 26.7% | n/a | 5 |
| Operating margin | 25.3% | 8.5% | 85 | 16 |
| Net margin | 21.5% | 3.8% | 88 | 19 |
| Return on equity | 39.5% | 6.6% | 91 | 16 |
| P / E | 16.2x | 26.8x | 17 | 8 |
| 1 year | -23.6% | -28.3% | 54 | 13 |
Peers (20): AJG, MRSH, WTW, BRO, ERIE, BWIN, NP, LIFE, GSHD, CRD-A, TWFG, XHG, QDMI, AIFU, SLQT, ZBAO, EHTH, HUIZ, GOCO, EZRA. Left out: TIRXF (period gap). Fiscal periods ending between 2025-06-30 and 2026-06-30. Every figure is one full fiscal year read from one annual filing (AON: 10-K), reported in USD. Nothing is trailing twelve months and nothing is converted between currencies. Source: SEC EDGAR XBRL company facts (public domain); prices from Kresmion's daily equity market-data snapshot. Open the full comparison.
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