Arthur J. Gallagher & Co
1,342 hedge funds and large institutions have $69.7B invested in Arthur J. Gallagher & Co in 2025 Q3 according to their latest regulatory filings, with 116 funds opening new positions, 510 increasing their positions, 488 reducing their positions, and 136 closing their positions.
113% more call options, than puts
Call options by funds: $242M | Put options by funds: $113M
5% more repeat investments, than reductions
Existing positions increased: 510 | Existing positions reduced: 488
0.98% less ownership
Funds ownership: 88.88% → 87.89% (-0.98%)
4% less capital invested
Capital invested by funds: $72.8B → $69.7B (-$3.1B)
3% less funds holding
Funds holding: 1,378 → 1,342 (-36)
15% less first-time investments, than exits
New positions opened: 116 | Existing positions closed: 136
30% less funds holding in top 10
Funds holding in top 10: 37 → 26 (-11)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
JP Morgan Chase
New York
|
+$1B |
| 2 |
T. Rowe Price Investment Management
Baltimore,
Maryland
|
+$752M |
| 3 |
Morgan Stanley
New York
|
+$450M |
| 4 |
Mitsubishi UFJ Asset Management
Tokyo,
Japan
|
+$219M |
| 5 |
Principal Financial Group
Des Moines,
Iowa
|
+$179M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Massachusetts Financial Services
Boston,
Massachusetts
|
-$422M |
| 2 |
Winslow Capital Management
Minneapolis,
Minnesota
|
-$265M |
| 3 |
Viking Global Investors
Stamford,
Connecticut
|
-$232M |
| 4 |
Invesco
Atlanta,
Georgia
|
-$213M |
| 5 |
VOYA Investment Management
Atlanta,
Georgia
|
-$173M |
AJG Hedge Fund Activity: Q3 2025 in Review
1,342 of the 7,639 institutional investors tracked by Wall St. Rank reported a position in Arthur J. Gallagher & Co (AJG) for Q3 2025, worth a combined $69.7B — down 4.3% from $72.8B a quarter earlier.
Sellers outnumbered buyers: 136 funds closed out of AJG and 116 opened new positions — a net loss of 20 holders — while 488 trimmed existing stakes and 510 added.
The largest buyer was JP Morgan Chase, adding an estimated $1B. The largest seller was Massachusetts Financial Services, cutting an estimated $422M.
- 1,342 institutional investors held Arthur J. Gallagher & Co (AJG) as of Q3 2025, down from 1,378 in Q2 2025.
- Funds reported $69.7B of Arthur J. Gallagher & Co stock for Q3 2025, down 4.3% quarter-over-quarter.
- 116 funds opened new Arthur J. Gallagher & Co positions in Q3 2025 and 136 closed out, a net change of -20 holders.
- The largest Arthur J. Gallagher & Co buyer in Q3 2025 was JP Morgan Chase, an estimated $1B added.
- The largest Arthur J. Gallagher & Co seller in Q3 2025 was Massachusetts Financial Services, an estimated $422M sold.
Based on aggregated 13F filings for Q3 2025.