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Arthur J. Gallagher & Co

1,246 hedge funds and large institutions have $49.7B invested in Arthur J. Gallagher & Co in 2026 Q1 according to their latest regulatory filings, with 155 funds opening new positions, 430 increasing their positions, 473 reducing their positions, and 184 closing their positions.

New
Increased
Maintained
Reduced
Closed

142% more call options, than puts

Call options by funds: $174M | Put options by funds: $71.8M

9% less repeat investments, than reductions

Existing positions increased: 430 | Existing positions reduced: 473

1.93% less ownership

Funds ownership: 91.24%89.31% (-1.9%)

4% less funds holding

Funds holding: 1,2991,246 (-53)

16% less first-time investments, than exits

New positions opened: 155 | Existing positions closed: 184

18% less capital invested

Capital invested by funds: $60.6B → $49.7B (-$10.9B)

33% less funds holding in top 10

Funds holding in top 10: 1812 (-6)

Holders
1,246
Holders Change
-53
Holders Change %
-4.08%
% of All Funds
15.25%
Holding in Top 10
12
Holding in Top 10 Change
-6
Holding in Top 10 Change %
-33.33%
% of All Funds
0.15%
New
155
Increased
430
Reduced
473
Closed
184
Calls
$174M
Puts
$71.8M
Net Calls
+$102M
Net Calls Change
+$65.3M

AJG Hedge Fund Activity: Q1 2026 in Review

1,246 of the 8,173 institutional investors tracked by Wall St. Rank reported a position in Arthur J. Gallagher & Co (AJG) for Q1 2026, worth a combined $49.7B — down 18% from $60.6B a quarter earlier.

Sellers outnumbered buyers: 184 funds closed out of AJG and 155 opened new positions — a net loss of 29 holders — while 473 trimmed existing stakes and 430 added.

The largest buyer was Dodge & Cox, adding an estimated $1.5B. The largest seller was T. Rowe Price Investment Management, cutting an estimated $1.13B.

  • 1,246 institutional investors held Arthur J. Gallagher & Co (AJG) as of Q1 2026, down from 1,299 in Q4 2025.
  • Funds reported $49.7B of Arthur J. Gallagher & Co stock for Q1 2026, down 18% quarter-over-quarter.
  • 155 funds opened new Arthur J. Gallagher & Co positions in Q1 2026 and 184 closed out, a net change of -29 holders.
  • The largest Arthur J. Gallagher & Co buyer in Q1 2026 was Dodge & Cox, an estimated $1.5B added.
  • The largest Arthur J. Gallagher & Co seller in Q1 2026 was T. Rowe Price Investment Management, an estimated $1.13B sold.

Based on aggregated 13F filings for Q1 2026.