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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
AI
276
Atria Investments
North Carolina
$16.1M
X
277
Xponance
Pennsylvania
$16.1M
Neuberger Berman Group
278
Neuberger Berman Group
New York
$16.1M
PFSRSONJ
279
Police & Firemen's Retirement System of New Jersey
New Jersey
$16M
FMI
280
Factory Mutual Insurance
Massachusetts
$16M
SWM
281
Segment Wealth Management
Texas
$15.9M
LCI
282
L1 Capital International
Australia
$15.9M
GC
283
Guggenheim Capital
Illinois
$15.8M
WTB
284
Washington Trust Bank
Washington
$15.8M
QT
285
Quantbot Technologies
New York
$15.7M
Daiwa Securities Group
286
Daiwa Securities Group
Japan
$15.7M
Kovitz Investment Group Partners
287
Kovitz Investment Group Partners
Illinois
$15.7M
OPCM
288
Osborne Partners Capital Management
California
$15.6M
ROC
289
Running Oak Capital
Minnesota
$15.5M
BIM
290
Bridges Investment Management
Nebraska
$15.4M
SWIG
291
Strategic Wealth Investment Group
Kentucky
$15.3M
Connor, Clark & Lunn Investment Management (CC&L)
292
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$15.3M
EP
293
Edgestream Partners
New Jersey
$15.2M
CBU
294
CIBC Bancorp USA
Illinois
$14.9M
Mirae Asset Global Investments
295
Mirae Asset Global Investments
South Korea
$14.9M
Brown Advisory
296
Brown Advisory
Maryland
$14.8M
NPT
297
Nixon Peabody Trust
Massachusetts
$14.6M
P
298
&Partners
Tennessee
$14.5M
NYLIM
299
New York Life Investment Management
New York
$14.5M
BCIM
300
British Columbia Investment Management
British Columbia, Canada
$14.3M