MarketAxess Holdings Inc

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MarketAxess Holdings Inc
TickerMKTX
CIK #0001278021
CUSIP57060D108
SectorFinance - Security Brokers, Dealers & Flotation Companies
Address140 Broadway 42Nd Floor, New York, NY 10005
Source [EDGAR]
CIK Filing 2011 - 2025
[0001278021] 10-K
[0001278021] 10-Q
[0001278021] 3
[0001278021] 4
[0001278021] 5
[0001278021] 8-K
[0001278021] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
T Rowe Price Investment Management Inc MarketAxess Holdings Inc [2024-11-14] 5.5
FMR LLC MarketAxess Holdings Inc [2024-11-12] 0.0
T Rowe Price Investment Management Inc MarketAxess Holdings Inc [2024-02-14] 3.2
Guardian Capital LP MarketAxess Holdings Inc [2023-02-15] 5.1
T Rowe Price Investment Management Inc MarketAxess Holdings Inc [2023-02-14] 5.5
BlackRock Inc MarketAxess Holdings Inc [2023-01-25] 8.8
Price T Rowe Associates Inc /MD/ MarketAxess Holdings Inc [2022-02-14] 9.6
Price T Rowe Associates Inc /MD/ MarketAxess Holdings Inc [2018-02-14] 5.5
Baillie Gifford & Co MarketAxess Holdings Inc [2017-01-27] 7.07
Vanguard Group Inc MarketAxess Holdings Inc [2013-02-13] 6.02
Wells Fargo & Company/MN MarketAxess Holdings Inc [2013-02-13] 5.88
BlackRock Inc MarketAxess Holdings Inc [2013-01-30] 7.3
Form 3/4/5 Filer 2011 - 2025
Portney Emily Hope
MarketAxess Holdings Inc
Mirwani Nitin A
McPherson Kevin M
Begleiter Steven L
Casper Stephen P
Ketchum Richard G
Hoornweg Roberto
Chwick Jane
Gibson Kourtney
Cruger William Frank Jr.
Hernandez Carlos Mauricio
Altobello Nancy A.
Cianciulli Michael R.
Fiszel Bieler Ilene
Roupie Christophe Pierre Daniel
Panchal Naineshkumar Shantilal
Concannon Christopher R
Pintoff Scott
McVey Richard M
Gerosa Christopher N.
Prager Richard Leon
Gmelich Justin Gerald
Li Xiaojia Charles
Themelis Nicholas
Delise Antonio L
Steinhardt John
Sullivan James Joseph
Gomach David G
Hersch Ronald M
Webster Lesley Daniels
Burkhardt Roger
Brown-Hruska Sharon
Form 13F Holdings
Firm Period DFND Voting Shares
Vanguard Group Inc [2025-06-30] SOLE 0 4,219,680
BlackRock, Inc. [2025-06-30] SOLE 2,515,344 2,649,886
FMR LLC [2025-06-30] DFND 2,309,530 2,332,146
State Street Corp [2025-06-30] DFND 944,290 1,532,696
GUARDCAP ASSET MANAGEMENT Ltd [2025-06-30] SOLE 1,269,389 1,498,358
PRIMECAP Management Co/CA/ [2025-06-30] SOLE 1,325,792 1,339,292
Geode Capital Management LLC [2025-06-30] DFND 1,140,355 1,141,198
Invesco Ltd. [2025-06-30] DFND 0 853,213
AQR Capital Management LLC [2025-06-30] DFND 713,017 734,292
Findlay Park Partners LLP [2025-06-30] SOLE 656,300 656,300
Norges Bank [2025-06-30] SOLE 513,089 513,089
American Century Companies Inc [2025-06-30] DFND 321,927 487,197
Dimensional Fund Advisors LP [2025-06-30] SOLE 443,337 465,624
Millennium Management LLC [2025-06-30] SOLE 432,182 432,182
Morgan Stanley [2025-06-30] DFND 383,295 424,807
North Reef Capital Management LP [2025-06-30] SOLE 420,000 420,000
JPMorgan Chase & Co [2025-06-30] DFND 342,902 418,787
Citadel Advisors LLC [2025-06-30] DFND 415,366 415,366
Burgundy Asset Management Ltd [2025-06-30] SOLE 308,563 414,370
Bank of New York Mellon Corp [2025-06-30] DFND 353,970 375,057
Charles Schwab Investment Management Inc [2025-06-30] SOLE 366,467 366,467
Northern Trust Corp [2025-06-30] DFND 302,111 303,373
Congress Asset Management Co [2025-06-30] SOLE 244,707 286,276
Two Sigma Investments LP [2025-06-30] SOLE 280,089 280,089
Bank of America Corp /DE/ [2025-06-30] DFND 8,507 259,752
Arrowstreet Capital Limited Partnership [2025-06-30] DFND 247,877 250,037
Two Sigma Advisers LP [2025-06-30] SOLE 234,000 243,400
Baird Financial Group, Inc. [2025-06-30] DFND 219,953 226,300
Amundi [2025-06-30] DFND 221,802 221,802
UBS Group AG [2025-06-30] DFND 188,991 202,467
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