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Arthur J. Gallagher & Co

1,362 hedge funds and large institutions have $79B invested in Arthur J. Gallagher & Co in 2025 Q1 according to their latest regulatory filings, with 178 funds opening new positions, 552 increasing their positions, 448 reducing their positions, and 122 closing their positions.

New
Increased
Maintained
Reduced
Closed

159% more call options, than puts

Call options by funds: $167M | Put options by funds: $64.3M

46% more first-time investments, than exits

New positions opened: 178 | Existing positions closed: 122

23% more repeat investments, than reductions

Existing positions increased: 552 | Existing positions reduced: 448

20% more capital invested

Capital invested by funds: $65.9B → $79B (+$13B)

3% more funds holding

Funds holding: 1,3271,362 (+35)

3.5% less ownership

Funds ownership: 93.04%89.53% (-3.5%)

4% less funds holding in top 10

Funds holding in top 10: 5149 (-2)

Holders
1,362
Holders Change
+35
Holders Change %
+2.64%
% of All Funds
18.23%
Holding in Top 10
49
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-3.92%
% of All Funds
0.66%
New
178
Increased
552
Reduced
448
Closed
122
Calls
$167M
Puts
$64.3M
Net Calls
+$102M
Net Calls Change
+$14M

AJG Hedge Fund Activity: Q1 2025 in Review

1,362 of the 7,472 institutional investors tracked by Wall St. Rank reported a position in Arthur J. Gallagher & Co (AJG) for Q1 2025, worth a combined $79B — up 20% from $65.9B a quarter earlier.

Buyers outnumbered sellers: 178 funds opened new AJG positions and 122 closed out — a net gain of 56 holders — while 552 added to existing stakes and 448 trimmed.

The largest buyer was JP Morgan Chase, adding an estimated $1.52B. The largest seller was Capital International Investors, cutting an estimated $898M.

  • 1,362 institutional investors held Arthur J. Gallagher & Co (AJG) as of Q1 2025, up from 1,327 in Q4 2024.
  • Funds reported $79B of Arthur J. Gallagher & Co stock for Q1 2025, up 20% quarter-over-quarter.
  • 178 funds opened new Arthur J. Gallagher & Co positions in Q1 2025 and 122 closed out, a net change of +56 holders.
  • The largest Arthur J. Gallagher & Co buyer in Q1 2025 was JP Morgan Chase, an estimated $1.52B added.
  • The largest Arthur J. Gallagher & Co seller in Q1 2025 was Capital International Investors, an estimated $898M sold.

Based on aggregated 13F filings for Q1 2025.