Citable ownership snapshot

AON institutional holders from 13F filings

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AON's latest 13F holder table lists Berkshire Hathaway as the largest holder in this view with 3,602,995 shares valued at $1.27B.

AON institutional holders from 13F filings
HolderReport dateValuePortfolio weight
Berkshire HathawayDec 31, 2025$1.27B0.5%
Farallon Capital ManagementMar 31, 2026$811.03M4.6%
AQR Capital ManagementJun 30, 2026$623.01M0.2%
Viking Global InvestorsJun 30, 2026$381.86M1.1%
Millennium ManagementJun 30, 2026$114.10M0.0%
Balyasny Asset ManagementJun 30, 2026$65.69M0.1%
Eminence CapitalMar 31, 2026$57.78M1.3%
Citadel AdvisorsJun 30, 2026$56.94M0.0%

Source: SEC EDGAR 13F filings; period Dec 31, 2025; filed Feb 17, 2026.

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