Aon(회사)
AON · US
Aon(회사) is held by 6 of the 24 tracked investors in their latest 13F filings. The largest position is Norges Bank's at $928M, 0.09% of that portfolio. Versus the prior quarter, 2 added, 4 trimmed and 0 bought new.
Big investors holding this stock
Latest 13F of the 24 tracked investors. Common shares only.
| Investor | Value ($) | vs prior quarter |
|---|---|---|
| Norges Bank weight 0.09% · Q2 2026 |
928M | ▼ 15% |
| Viking Global Investors weight 1.09% · Q2 2026 |
382M | ▲ 6% |
| Baupost Group weight 4.21% · Q2 2026 |
228M | ▼ 11% |
| National Pension Service (Korea) weight 0.10% · Q2 2026 |
161M | ▲ 2% |
| Korea Investment Corporation weight 0.07% · Q2 2026 |
37.1M | ▼ 33% |
| Bridgewater Associates weight 0.02% · Q2 2026 |
5.2M | ▼ 23% |
Holding history
13F · shares at each quarter-end| Investor | 26Q2 | 26Q1 | 25Q4 | 25Q3 | 25Q2 | 25Q1 | 24Q4 | 24Q3 |
|---|---|---|---|---|---|---|---|---|
| Norway NBIM | ||||||||
| Viking | · | · | ||||||
| Baupost | · | · | · | · | · | · | ||
| Korea NPS | ||||||||
| KIC | ||||||||
| Bridgewater | · | |||||||
| Berkshire | · | · |
Bar height = shares of Aon(회사) relative to that investor's own peak in these quarters (split-adjusted); · = filed but did not hold; blank = no filing kept.
Questions
Which big investors own Aon(회사)?
Norges Bank ($928M), Viking Global Investors ($382M), Baupost Group ($228M), National Pension Service (Korea) ($161M), Korea Investment Corporation ($37.1M) and 1 more, per their latest 13F filings.
Does Warren Buffett own Aon(회사)?
Berkshire Hathaway did not report it in its latest 13F.
Does Korea's National Pension Service own Aon(회사)?
Yes, $161M as of 2026-06-30 (0.10% of its US holdings).
Restated and computed from SEC (13F, 13D/G, Form 4) and DART filings and NPS public data. Filings describe a past date and may differ from current holdings (13F: quarter end, up to 45 days later). Not investment advice.
Sources: SEC EDGAR, DART, data.go.kr (NPS), OpenFIGI. See Methodology for how figures are computed.