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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
William Blair & Company
351
William Blair & Company
Illinois
$9.39M
EGM
352
Engineers Gate Manager
New York
$9.32M
VLKIM
353
Van Lanschot Kempen Investment Management
Netherlands
$9.3M
SAM
354
Synergy Asset Management
Washington
$9.29M
SPIA
355
Steward Partners Investment Advisory
New York
$9.07M
CA
356
Cornerstone Advisors
North Carolina
$9.03M
KCG
357
Kinsale Capital Group
Virginia
$8.81M
Verition Fund Management
358
Verition Fund Management
Connecticut
$8.73M
SCTC
359
Sanibel Captiva Trust Company
Florida
$8.73M
Vontobel Holding
360
Vontobel Holding
Switzerland
$8.58M
SCA
361
Stokes Capital Advisors
South Carolina
$8.58M
MML Investors Services
362
MML Investors Services
Massachusetts
$8.37M
SICM
363
Sustainable Insight Capital Management
New York
$8.29M
Northwestern Mutual Wealth Management
364
Northwestern Mutual Wealth Management
Wisconsin
$8.29M
VIM
365
Vinva Investment Management
Australia
$8.26M
AF
366
Avanza Fonder
Sweden
$8.01M
MAM
367
Martingale Asset Management
Massachusetts
$7.99M
Pacer Advisors
368
Pacer Advisors
Pennsylvania
$7.98M
UM
369
UniSuper Management
Australia
$7.97M
IMRF
370
Illinois Municipal Retirement Fund
Illinois
$7.91M
DCM
371
Dupont Capital Management
Delaware
$7.89M
VI
372
Vestcor Inc
New Brunswick, Canada
$7.88M
CI
373
CX Institutional
Indiana
$7.88M
BIG
374
Builder Investment Group
Georgia
$7.88M
NA
375
NewEdge Advisors
Louisiana
$7.86M