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Arthur J. Gallagher & Co

1,283 hedge funds and large institutions have $54.6B invested in Arthur J. Gallagher & Co in 2026 Q2 according to their latest regulatory filings, with 162 funds opening new positions, 460 increasing their positions, 478 reducing their positions, and 107 closing their positions.

New
Increased
Maintained
Reduced
Closed

108% more funds holding in top 10

Funds holding in top 10: 1225 (+13)

101% more call options, than puts

Call options by funds: $171M | Put options by funds: $85.1M

51% more first-time investments, than exits

New positions opened: 162 | Existing positions closed: 107

10% more capital invested

Capital invested by funds: $49.7B → $54.6B (+$4.94B)

3.36% more ownership

Funds ownership: 89.31%92.67% (+3.4%)

3% more funds holding

Funds holding: 1,2461,283 (+37)

4% less repeat investments, than reductions

Existing positions increased: 460 | Existing positions reduced: 478

Holders
1,283
Holders Change
+37
Holders Change %
+2.97%
% of All Funds
15.5%
Holding in Top 10
25
Holding in Top 10 Change
+13
Holding in Top 10 Change %
+108.33%
% of All Funds
0.3%
New
162
Increased
460
Reduced
478
Closed
107
Calls
$171M
Puts
$85.1M
Net Calls
+$86.3M
Net Calls Change
-$15.5M
Name Holding Trade Value Shares
Change
Change in
Stake
UBS AM
26
UBS AM
Illinois
$334M +$829K +3,905 +0.3%
Vanguard Fiduciary Trust
27
Vanguard Fiduciary Trust
Pennsylvania
$331M -$1.13M -5,338 -0.4%
FPA
28
First Pacific Advisors
California
$307M +$201M +948,603 +245%
Legal & General Group
29
Legal & General Group
United Kingdom
$300M -$14.3M -67,134 -5%
BWA
30
Brave Warrior Advisors
New York
$295M +$273M +1,285,022 New
Wellington Management Group
31
Wellington Management Group
Massachusetts
$294M -$276M -1,301,884 -50%
Bank of New York Mellon
32
Bank of New York Mellon
New York
$289M -$5.62M -26,471 -2%
Brown Advisory
33
Brown Advisory
Maryland
$282M -$74.4M -350,409 -22%
Fidelity International
34
Fidelity International
Bermuda
$258M -$17.8M -83,659 -7%
T. Rowe Price Investment Management
35
T. Rowe Price Investment Management
Maryland
$256M +$27.7M +130,598 +13%
UBS Group
36
UBS Group
Switzerland
$244M +$16M +75,324 +8%
BMO
37
Beck Mack & Oliver
New York
$244M -$140K -661 -0.1%
BBHC
38
Brown Brothers Harriman & Co
New York
$230M -$6.52M -30,690 -3%
GAM
39
Guinness Asset Management
United Kingdom
$195M -$10.7M -50,551 -6%
Envestnet Asset Management
40
Envestnet Asset Management
Illinois
$191M -$30.6M -144,119 -15%
Dimensional Fund Advisors
41
Dimensional Fund Advisors
Texas
$190M -$5.77M -27,167 -3%
BIP
42
Brandes Investment Partners
California
$187M +$23.7M +111,754 +16%
Amundi
43
Amundi
France
$184M -$29.8M -140,360 -15%
Adage Capital Partners
44
Adage Capital Partners
Massachusetts
$183M +$97.3M +458,240 +134%
Focus Partners Wealth
45
Focus Partners Wealth
Massachusetts
$177M -$129M -608,172 -44%
CB
46
Cooke & Bieler
Pennsylvania
$177M +$31.2M +146,990 +24%
CBU
47
CIBC Bancorp USA
Illinois
$175M +$27M +127,077 +20%
Nuveen
48
Nuveen
North Carolina
$167M +$2.27M +10,712 +1%
Swiss National Bank
49
Swiss National Bank
Switzerland
$166M -$6.07M -28,600 -4%
Arrowstreet Capital
50
Arrowstreet Capital
Massachusetts
$164M +$146M +687,246 +2,355%

AJG Hedge Fund Activity: Q2 2026 in Review

1,283 of the 8,279 institutional investors tracked by Wall St. Rank reported a position in Arthur J. Gallagher & Co (AJG) for Q2 2026, worth a combined $54.6B — up 9.9% from $49.7B a quarter earlier.

Buyers outnumbered sellers: 162 funds opened new AJG positions and 107 closed out — a net gain of 55 holders — while 460 added to existing stakes and 478 trimmed.

The largest buyer was Fidelity Investments, adding an estimated $855M. The largest seller was JP Morgan Chase, cutting an estimated $1.11B.

  • 1,283 institutional investors held Arthur J. Gallagher & Co (AJG) as of Q2 2026, up from 1,246 in Q1 2026.
  • Funds reported $54.6B of Arthur J. Gallagher & Co stock for Q2 2026, up 9.9% quarter-over-quarter.
  • 162 funds opened new Arthur J. Gallagher & Co positions in Q2 2026 and 107 closed out, a net change of +55 holders.
  • The largest Arthur J. Gallagher & Co buyer in Q2 2026 was Fidelity Investments, an estimated $855M added.
  • The largest Arthur J. Gallagher & Co seller in Q2 2026 was JP Morgan Chase, an estimated $1.11B sold.

Based on aggregated 13F filings for Q2 2026.