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Marsh & McLennan

1,548 hedge funds and large institutions have $86.9B invested in Marsh & McLennan in 2025 Q3 according to their latest regulatory filings, with 149 funds opening new positions, 546 increasing their positions, 598 reducing their positions, and 153 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

less first-time investments, than exits

New positions opened: | Existing positions closed:

less repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

less ownership

Funds ownership:

3% less funds holding

Funds holding: 1,5941,548 (-46)

10% less capital invested

Capital invested by funds: $96.8B → $86.9B (-$9.9B)

11% less funds holding in top 10

Funds holding in top 10: 1917 (-2)

Holders
1,548
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
17
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$125M
Puts
$113M
Net Calls
Net Calls Change

Top Buyers

1 +$394M
2 +$277M
3 +$254M
4
Arrowstreet Capital
Arrowstreet Capital
Massachusetts
+$248M
5
Two Sigma Advisers
Two Sigma Advisers
New York
+$177M

Top Sellers

1 -$722M
2 -$341M
3 -$300M
4
Amundi
Amundi
France
-$285M
5
NLI
Nippon Life Insurance
Japan
-$264M
Name Holding Trade Value Shares
Change
Change in
Stake
Millennium Management
176
Millennium Management
New York
$37.1M
CGPCS
177
Capital Group Private Client Services
California
$37M
Tudor Investment Corp
178
Tudor Investment Corp
Connecticut
$36.8M
IMPI
179
Ilmarinen Mutual Pension Insurance
Finland
$36.6M
Janney Montgomery Scott
180
Janney Montgomery Scott
Pennsylvania
$35.9M
LCP
181
LGT Capital Partners
Switzerland
$35.8M
BTW
182
Boston Trust Walden
Massachusetts
$35.8M
Temasek Holdings
183
Temasek Holdings
Singapore
$35.3M
WT
184
Whittier Trust
California
$35.1M
CLOS
185
Compagnie Lombard Odier SCmA
Switzerland
$34.9M
State of New Jersey Common Pension Fund D
186
State of New Jersey Common Pension Fund D
New Jersey
$34.8M
SO
187
STRS Ohio
Ohio
$34.7M
RAM
188
Resona Asset Management
Japan
$33.9M
FLPIM
189
F.L. Putnam Investment Management
Massachusetts
$33.9M
CIA
190
Capital Investment Advisors
Georgia
$33.7M
Adage Capital Partners
191
Adage Capital Partners
Massachusetts
$33.3M
Fifth Third Bancorp
192
Fifth Third Bancorp
Ohio
$33.1M
Rafferty Asset Management
193
Rafferty Asset Management
New York
$33M
ACM
194
Aquatic Capital Management
Illinois
$32.8M
HJGA
195
Hardman Johnston Global Advisors
Connecticut
$32.2M
LF
196
Lansforsakringar Fondforvaltning
Sweden
$31.7M
HKAM
197
Horizon Kinetics Asset Management
New York
$31.7M
Nisa Investment Advisors
198
Nisa Investment Advisors
Missouri
$30.8M
US Bancorp
199
US Bancorp
Minnesota
$29.9M
Teacher Retirement System of Texas
200
Teacher Retirement System of Texas
Texas
$29.4M