Aon
1,267 hedge funds and large institutions have $77B invested in Aon in 2025 Q1 according to their latest regulatory filings, with 167 funds opening new positions, 470 increasing their positions, 396 reducing their positions, and 69 closing their positions.
142% more first-time investments, than exits
New positions opened: 167 | Existing positions closed: 69
74% more call options, than puts
Call options by funds: $761M | Put options by funds: $436M
23% more funds holding in top 10
Funds holding in top 10: 35 → 43 (+8)
19% more repeat investments, than reductions
Existing positions increased: 470 | Existing positions reduced: 396
12% more capital invested
Capital invested by funds: $69B → $77B (+$7.96B)
7% more funds holding
Funds holding: 1,187 → 1,267 (+80)
0.63% more ownership
Funds ownership: 88.88% → 89.52% (+0.63%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Polen Capital Management
Boca Raton,
Florida
|
+$877M |
| 2 |
Wellington Management Group
Boston,
Massachusetts
|
+$471M |
| 3 |
Bank of New York Mellon
New York
|
+$180M |
| 4 |
Geode Capital Management
Boston,
Massachusetts
|
+$178M |
| 5 |
UBS Group
Zurich,
Switzerland
|
+$159M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Massachusetts Financial Services
Boston,
Massachusetts
|
-$684M |
| 2 |
Eagle Capital Management (New York)
New York
|
-$521M |
| 3 |
MG
Meritage Group
San Francisco,
California
|
-$358M |
| 4 |
Manulife (Manufacturers Life Insurance)
Canada,
Ontario, Canada
|
-$330M |
| 5 |
Viking Global Investors
Stamford,
Connecticut
|
-$259M |
AON Hedge Fund Activity: Q1 2025 in Review
1,267 of the 7,458 institutional investors tracked by Wall St. Rank reported a position in Aon (AON) for Q1 2025, worth a combined $77B — up 12% from $69B a quarter earlier.
Buyers outnumbered sellers: 167 funds opened new AON positions and 69 closed out — a net gain of 98 holders — while 470 added to existing stakes and 396 trimmed.
The largest buyer was Polen Capital Management, adding an estimated $877M. The largest seller was Massachusetts Financial Services, cutting an estimated $684M.
- 1,267 institutional investors held Aon (AON) as of Q1 2025, up from 1,187 in Q4 2024.
- Funds reported $77B of Aon stock for Q1 2025, up 12% quarter-over-quarter.
- 167 funds opened new Aon positions in Q1 2025 and 69 closed out, a net change of +98 holders.
- The largest Aon buyer in Q1 2025 was Polen Capital Management, an estimated $877M added.
- The largest Aon seller in Q1 2025 was Massachusetts Financial Services, an estimated $684M sold.
Based on aggregated 13F filings for Q1 2025.