Companies › AON
AON PLC NPV (AON)
Institutional ownership, SEC filings and insider activity
Sector: Financials · SEC CIK 0000315293 · EDGAR filings · Updated 2026-07-28
AON PLC NPV (AON) has 1,241 institutional managers reporting positions valued at $60.6B per the latest 13F reporting period.
Filings this week (1)
- 2026-07-28 — Notice of proposed sale filed (Form 144)
Every filing links to the official SEC document. Real-time filing alerts for this company are available inside the app.
Latest updates
- 2026-07-21 — Insider transaction reported (Form 4)
- 2026-07-17 — Notice of proposed sale filed (Form 144)
- 2026-07-16 — SCHEDULE 13G filed
- 2026-07-09 — Insider transaction reported (Form 4)
- 2026-07-07 — Notice of proposed sale filed (Form 144)
- 2026-07-06 — Insider transaction reported (Form 4)
- 2026-07-02 — S-3ASR filed
- 2026-07-01 — Current report (8-K) filed
Institutional ownership overview
According to SEC 13F filings tracked by Sightfile, AON PLC NPV has 1,241 institutional holders.
| # | Institution | Reported value | % of tracked total |
|---|---|---|---|
| 1 | BlackRock, Inc. | $5.21B | 8.6% |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | $4.38B | 7.2% |
| 3 | Capital World Investors | $3.70B | 6.1% |
| 4 | STATE STREET CORP | $2.98B | 4.9% |
| 5 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | $2.75B | 4.5% |
| 6 | Dodge & Cox | $2.62B | 4.3% |
| 7 | MORGAN STANLEY | $2.06B | 3.4% |
| 8 | JPMORGAN CHASE & CO | $1.83B | 3.0% |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | $1.69B | 2.8% |
| 10 | VANGUARD PORTFOLIO MANAGEMENT LLC | $1.47B | 2.4% |
Full holder history and quarter-over-quarter changes are available inside the app.
Insider activity
Insiders reported 95 transactions (1 buys, 4 sells) across 21 reporting insiders, with a net reported value of −$4.81M.
Fails-to-deliver
The SEC's fails-to-deliver file for 2026-06-15 reports 40,581 failed-to-deliver shares ($13.6M) for AON — an official data point published by the SEC, shown as reported.
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See full history, cross-references and alerts on SightfileData sources: SEC EDGAR (filings, 13F, FTD), aggregated by Sightfile. Page updated 2026-07-28.