Aon plc: which funds bought and sold
Institutions that bought and sold Aon shares in Q2 2026, from the holdings they reported to the SEC on Form 13F for March 31, 2026 and June 30, 2026.
Between March 31, 2026 and June 30, 2026, 587 institutions that filed 13F reports for both quarters added to or opened positions in Aon, and 564 cut or closed them. Together they added a net 2.5M shares, +1.3% on what they held at the start of the quarter. Active managers and hedge funds on our list were net sellers of 181K shares (−0.3%); index fund managers were net buyers of 2.3M shares (+4.2%). 120 opened a new position and 110 sold out entirely.
Bought, Q2 2026 587 institutions, 120 of them new holders Sold, Q2 2026 564 institutions, 110 of them sold out
Net change, all compared +2.5M shares (+1.3%)
Net change, active managers −181K shares (−0.3%), 35 bought, 52 sold
Buyers versus sellers
587 bought 189 564 sold
Active managers and hedge funds 35 bought · 52 sold · −181K
Index fund managers 5 bought · 7 sold · +2.3M
Other institutions 547 bought · 505 sold · +423K
Biggest buyers
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Jpmorgan Chase & Co | +6.5M +115.8% | 12.2M | $4B |
| Vanguard Portfolio Management LLC Index funds | +2.6M +58.0% | 7.2M | $2.4B |
| Price T Rowe Associates Inc Active manager | +1.9M +144.9% | 3.1M | $1B |
| Arrowstreet Capital, Limited Partnership Hedge fund | +1.8M +227.9% | 2.6M | $867M |
| AQR Capital Management LLC Hedge fund | +926K +94.5% | 1.9M | $623M |
| Pinestone Asset Management Inc. | +799K New position | 799K | $265M |
| Dodge & Cox Active manager | +477K +5.9% | 8.6M | $2.9B |
| Assenagon Asset Management S.A. | +369K +4494.2% | 378K | $125M |
| Millennium Management LLC Hedge fund | +292K +1462.9% | 312K | $104M |
| Mitsubishi Ufj Asset Management Co., Ltd. | +237K +9.4% | 2.8M | $913M |
| Capital World Investors Active manager | +234K +2.0% | 11.7M | $3.9B |
| Vestor Capital, LLC | +209K +11873.7% | 211K | $50.2M |
| Artisan Partners Limited Partnership Active manager | +206K +12.6% | 1.9M | $614M |
| State Street Corp Index funds | +196K +2.1% | 9.4M | $3.1B |
| Comgest Global Investors S.A.S. Active manager | +192K +30.5% | 820K | $272M |
| Goldman Sachs Group Inc | +165K +10.4% | 1.7M | $580M |
| Adage Capital Partners Gp, L.L.C. Hedge fund | +158K +71.2% | 380K | $126M |
| Verition Fund Management LLC Hedge fund | +157K +68.7% | 385K | $128M |
| CI Investments Inc. | +155K +14313.7% | 156K | $51.8M |
| Pfa Pension, Forsikringsaktieselskab | +138K +2043.9% | 145K | $48.1M |
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Price T Rowe Associates Inc Active manager | +1.9M +144.9% | 3.1M | $1B |
| Arrowstreet Capital, Limited Partnership Hedge fund | +1.8M +227.9% | 2.6M | $867M |
| AQR Capital Management LLC Hedge fund | +926K +94.5% | 1.9M | $623M |
| Dodge & Cox Active manager | +477K +5.9% | 8.6M | $2.9B |
| Millennium Management LLC Hedge fund | +292K +1462.9% | 312K | $104M |
| Capital World Investors Active manager | +234K +2.0% | 11.7M | $3.9B |
| Artisan Partners Limited Partnership Active manager | +206K +12.6% | 1.9M | $614M |
| Comgest Global Investors S.A.S. Active manager | +192K +30.5% | 820K | $272M |
| Adage Capital Partners Gp, L.L.C. Hedge fund | +158K +71.2% | 380K | $126M |
| Verition Fund Management LLC Hedge fund | +157K +68.7% | 385K | $128M |
Biggest sellers
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| UBS Am, A Distinct Business Unit Of UBS Asset Management Americas LLC | −1.2M −98.0% | 26K | $8.5M |
| Polen Capital Management LLC Active manager | −1.2M −87.9% | 164K | $54.4M |
| Farallon Capital Management, L.L.C. Hedge fund | −1.1M −45.0% | 1.4M | $459M |
| Cantillon Capital Management LLC | −1.1M Sold out | 0 | — |
| Sustainable Growth Advisers, LP Active manager | −810K −77.0% | 242K | $80.4M |
| Massachusetts Financial Services Co Active manager | −743K −8.9% | 7.6M | $2.6B |
| DZ Bank AG Deutsche Zentral Genossenschafts Bank, Frankfurt Am Main | −693K −23.5% | 2.3M | $748M |
| Amundi | −509K −33.9% | 994K | $330M |
| Southpoint Capital Advisors LP Hedge fund | −500K Sold out | 0 | — |
| Vontobel Holding Ltd. | −458K −45.9% | 541K | $179M |
| Omers Administration Corp | −432K −76.2% | 135K | $44.9M |
| Blackrock, Inc. Index funds | −432K −2.7% | 15.7M | $5.2B |
| Eagle Capital Management LLC Active manager | −418K −90.3% | 45K | $14.9M |
| Manufacturers Life Insurance Company, The | −418K −76.2% | 130K | $43.2M |
| Invesco Ltd. | −417K −28.1% | 1.1M | $355M |
| Ameriprise Financial Inc | −388K −35.9% | 693K | $230M |
| Diamond Hill Capital Management, LLC (Investment Advisor) Active manager | −374K −25.1% | 1.1M | $370M |
| Prana Capital Management, LP Hedge fund | −323K Sold out | 0 | — |
| Wealthspire Advisors, LLC | −258K −26.2% | 726K | $241M |
| Longview Partners (Guernsey) Ltd | −207K −21.2% | 769K | $255M |
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Polen Capital Management LLC Active manager | −1.2M −87.9% | 164K | $54.4M |
| Farallon Capital Management, L.L.C. Hedge fund | −1.1M −45.0% | 1.4M | $459M |
| Sustainable Growth Advisers, LP Active manager | −810K −77.0% | 242K | $80.4M |
| Massachusetts Financial Services Co Active manager | −743K −8.9% | 7.6M | $2.6B |
| Southpoint Capital Advisors LP Hedge fund | −500K Sold out | 0 | — |
| Eagle Capital Management LLC Active manager | −418K −90.3% | 45K | $14.9M |
| Diamond Hill Capital Management, LLC (Investment Advisor) Active manager | −374K −25.1% | 1.1M | $370M |
| Prana Capital Management, LP Hedge fund | −323K Sold out | 0 | — |
| Eminence Capital, LP Hedge fund | −179K Sold out | 0 | — |
| Neuberger Berman Group LLC Active manager | −166K −8.9% | 1.7M | $561M |
New positions
| Institution | Shares | Value June 30, 2026 |
|---|---|---|
| Pinestone Asset Management Inc. | 799K | $265M |
| Marshall Wace, LLPHedge fund | 47K | $15.5M |
| Van Eck Associates Corp | 33K | $10.9M |
| Hawk Ridge Capital Management LPHedge fund | 29K | $9.6M |
| Nissay Asset Management Corp /Japan | 27K | $9.1M |
| Dockside LLC | 18K | $6.1M |
| Fideuram Asset Management (Ireland) Dac | 18K | $5.9M |
| New Vernon Investment Management LLC | 17K | $5.8M |
| Brevan Howard Capital Management LPHedge fund | 14K | $4.8M |
| Kentucky Retirement Systems | 13K | $4.4M |
Sold out
| Institution | Shares | Value March 31, 2026 |
|---|---|---|
| Cantillon Capital Management LLC | 1.1M | $354M |
| Southpoint Capital Advisors LPHedge fund | 500K | $161M |
| Prana Capital Management, LPHedge fund | 323K | $104M |
| Eminence Capital, LPHedge fund | 179K | $57.8M |
| Zurich Insurance Group Ltd | 148K | $47.9M |
| M.D. Sass, LLC | 142K | $46M |
| Central Securities Corp | 80K | $25.8M |
| Susquehanna Fundamental Investments, LLC | 72K | $23.1M |
| Pbu - The Pension Fund Of Early Childhood & Youth Educators | 53K | $17M |
| Point72 Asset Management, L.P.Hedge fund | 33K | $10.7M |
Who holds the shares
- Institutions reporting
- 1,248
- Ten largest holders
- 50.7% of 13F-reported shares
- Index fund managers
- 29.2% of 13F-reported shares
- Active managers and hedge funds
- 31.9% of 13F-reported shares
| Type | Bought | Sold | New | Sold out | Net change in shares | Net % |
|---|---|---|---|---|---|---|
| Active managers and hedge funds | 35 | 52 | 9 | 12 | −181K | −0.3% |
| Index fund managers | 5 | 7 | 0 | 0 | +2.3M | +4.2% |
| Other institutions | 547 | 505 | 111 | 98 | +423K | +0.6% |