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MarketAxess Holdings
MKTX

Overview Fund Activity

522 hedge funds and large institutions have $8.24B invested in MarketAxess Holdings in 2025 Q2 according to their latest regulatory filings, with 85 funds opening new positions, 227 increasing their positions, 157 reducing their positions, and 57 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
522
Holders Change
+19
Holders Change %
+3.78%
% of All Funds
7%
Holding in Top 10
3
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-25%
% of All Funds
0.04%
New
85
Increased
227
Reduced
157
Closed
57
Calls
$65.9M
Puts
$8.94M
Net Calls
+$56.9M
Net Calls Change
+$35.4M

Top Buyers

1
AQR Capital Management
AQR Capital Management
Connecticut
+$139M
2
American Century Companies
American Century Companies
Missouri
+$59.2M
3
Arrowstreet Capital
Arrowstreet Capital
Massachusetts
+$36M
4
Royal Bank of Canada
Royal Bank of Canada
Ontario, Canada
+$35M
5
Fidelity Investments
Fidelity Investments
Massachusetts
+$31.8M

Top Sellers

1
WA
Wasatch Advisors
Utah
-$146M
2
Macquarie Group
Macquarie Group
Australia
-$137M
3
Marshall Wace
Marshall Wace
United Kingdom
-$77.5M
4
Millennium Management
Millennium Management
New York
-$41.7M
5
VanEck Associates
VanEck Associates
New York
-$39.4M
Name Holding Trade Value Shares
Change 		Shares
Change %
JG
276
Jain Global
New York
$574K +$325K +1,454 +131%
Simplex Trading
277
Simplex Trading
Illinois
$562K -$987K -4,424 -64%
Allianz Asset Management
278
Allianz Asset Management
Germany
$551K -$218K -977 -28%
NG
279
Norden Group
Utah
$549K +$64.8K +290 +13%
VF
280
Virtu Financial
New York
$547K -$523K -2,342 -49%
RC
281
Rovin Capital
Arizona
$545K -$4.47K -20 -0.8%
SCM
282
Sterling Capital Management
North Carolina
$542K +$83.1K +372 +18%
PD
283
Point72 (DIFC)
United Arab Emirates
$542K +$542K +2,426 New
QL
284
Quarry LP
New York
$537K +$458K +2,050 +576%
Aberdeen Group
285
Aberdeen Group
United Kingdom
$518K -$68.1K -305 -12%
FGP
286
Freestone Grove Partners
California
$514K +$514K +2,302 New
HWAM
287
Hennion & Walsh Asset Management
New Jersey
$512K -$1.56K -7 -0.3%
EC
288
EntryPoint Capital
New York
$511K -$19.7K -88 -4%
HIMCH
289
Hartford Investment Management Co (HIMCO)
Connecticut
$509K -$4.24K -19 -0.8%
ECM
290
Exchange Capital Management
Michigan
$507K +$45.8K +205 +10%
M&T Bank
291
M&T Bank
New York
$502K +$110K +491 +28%
DP
292
Dundas Partners
United Kingdom
$500K -$73.3K -328 -13%
Corient Private Wealth
293
Corient Private Wealth
Florida
$494K +$494K +2,214 New
Aviva
294
Aviva
United Kingdom
$482K -$183K -818 -27%
NB
295
Norinchukin Bank
Japan
$481K +$41.3K +185 +9%
1C
296
111 Capital
France
$475K +$62.3K +279 +15%
VI
297
Versor Investments
New York
$468K +$468K +2,096 New
ET
298
Entropy Technologies
New York
$467K +$467K +2,090 New
Franklin Resources
299
Franklin Resources
California
$460K -$661K -2,961 -59%
GIA
300
Gateway Investment Advisers
Ohio
$458K +$458K +2,051 New
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12
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