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 - 2026
[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
North Reef Capital Management LP MarketAxess Holdings Inc [2026-05-15] 0.0
Vanguard Capital Management LLC MarketAxess Holdings Inc [2026-04-30] 0.0
Vanguard Portfolio Management LLC MarketAxess Holdings Inc [2026-04-29] 0.0
AQR Capital Management LLC MarketAxess Holdings Inc [2026-02-13] 0.0
BlackRock Inc MarketAxess Holdings Inc [2026-01-21] 0.0
PRIMECAP Management Co/CA/ MarketAxess Holdings Inc [2025-11-13] 0.0
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
Wells Fargo & Company/MN MarketAxess Holdings Inc [2013-02-13] 5.88
Vanguard Group Inc MarketAxess Holdings Inc [2013-02-13] 6.02
BlackRock Inc MarketAxess Holdings Inc [2013-01-30] 7.3
Form 3/4/5 Filer 2011 - 2026
Hernandez Carlos Mauricio
MarketAxess Holdings Inc
Cruger William Frank Jr
Schiciano Kenneth T
Gibson Kourtney
Hoornweg Roberto
Ketchum Richard G
Begleiter Steven L
Chwick Jane
Portney Emily Hope
Cifu Douglas A
Pintoff Scott
Altobello Nancy A
Fiszel Bieler Ilene
Quan William
Concannon Christopher R
Panchal Naineshkumar Shantilal
McPherson Kevin M
Mirwani Nitin A
Berry Dean
Casper Stephen P
Cianciulli Michael R
Roupie Christophe Pierre Daniel
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
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
Pintoff Scott
Common Stock, par value $0.003 per share
2026-03-10 Sell 100 $184.93 18,493
Schiciano Kenneth T
Common Stock, par value $0.003 per share
2026-03-01 Grant 259 $0.00
Cifu Douglas A
Common Stock, par value $0.003 per share
2026-03-01 Grant 259 $0.00
Panchal Naineshkumar Shantilal
Common Stock, par value $0.003 per share
2026-03-01 Tax withheld 1,470 $192.00 282,240
Pintoff Scott
Common Stock, par value $0.003 per share
2026-02-15 Tax withheld 824 $179.36 147,793
Pintoff Scott
Common Stock, par value $0.003 per share
2026-02-15 Grant 3,165 $0.00
McPherson Kevin M
Common Stock, par value $0.003 per share
2026-02-15 Tax withheld 462 $179.36 82,864
McPherson Kevin M
Common Stock, par value $0.003 per share
2026-02-15 Tax withheld 1,525 $179.36 273,524
Panchal Naineshkumar Shantilal
Common Stock, par value $0.003 per share
2026-02-15 Tax withheld 159 $179.36 28,518
McPherson Kevin M
Common Stock, par value $0.003 per share
2026-02-15 Grant 4,416 $0.00
Pintoff Scott
Common Stock, par value $0.003 per share
2026-02-15 Tax withheld 208 $179.36 37,307
Concannon Christopher R
Stock Option (right to buy) · derivative
2026-02-15 Grant 21,736 $0.00
Fiszel Bieler Ilene
Common Stock, par value $0.003 per share
2026-02-15 Grant 5,005 $0.00
Mirwani Nitin A
Common Stock, par value $0.003 per share
2026-02-15 Grant 1,766 $0.00
Panchal Naineshkumar Shantilal
Common Stock, par value $0.003 per share
2026-02-15 Grant 3,239 $0.00
Concannon Christopher R
Common Stock, par value $0.003 per share
2026-02-15 Tax withheld 866 $179.36 155,326
Concannon Christopher R
Common Stock, par value $0.003 per share
2026-02-15 Tax withheld 1,750 $179.36 313,880
Panchal Naineshkumar Shantilal
Common Stock, par value $0.003 per share
2026-02-15 Tax withheld 1,016 $179.36 182,230
Fiszel Bieler Ilene
Common Stock, par value $0.003 per share
2026-02-15 Tax withheld 439 $179.36 78,739
Concannon Christopher R
Common Stock, par value $0.003 per share
2026-02-15 Grant 6,588 $0.00
showing 20 of 200 most recent transactions
13F Ownership Over TimeHoldersShares Held
2026-03-31 450 36,809,625
2025-12-31 488 34,745,459
2025-09-30 456 33,617,646
2025-06-30 532 32,788,545
2025-03-31 516 32,688,912
2024-12-31 521 33,298,836
2024-09-30 514 32,870,693
2024-06-30 470 33,506,886
2024-03-31 468 34,161,763
2023-12-31 511 33,666,083
2023-09-30 484 34,281,298
2023-06-30 516 35,009,190
Form 13F Holdings
Firm Period DFND Voting Shares
Alpha Omega Wealth Management LLC [2026-06-30] SOLE 58,025 61,453
Y-Intercept Hong Kong Ltd [2026-06-30] SOLE 54,792 54,792
Wealth Enhancement Advisory Services LLC [2026-06-30] SOLE 501 27,338
Louisiana State Employees Retirement System [2026-06-30] SOLE 16,500 16,500
Assenagon Asset Management SA [2026-06-30] SOLE 15,366 15,366
Alaska Retirement Management Board [2026-06-30] SOLE 11,704 11,704
Yousif Capital Management LLC [2026-06-30] SOLE 2,241 9,557
Commonwealth of Pennsylvania Public School Empls Retrmt SYS [2026-06-30] SOLE 8,428 8,428
Diversified Trust Co [2026-06-30] SOLE 0 4,313
Hennion & Walsh Asset Management Inc [2026-06-30] SOLE 3,959 3,959
Walled Lake Planning & Wealth Management LLC [2026-06-30] SOLE 0 3,116
Merit Financial Group LLC [2026-06-30] OTR 0 2,596
Unique Wealth Strategies LLC [2026-06-30] SOLE 0 2,506
Perpetual Ltd [2026-06-30] DFND 2,194 2,194
Linden Thomas Advisory Services LLC [2026-06-30] SOLE 0 1,907
Merit Financial Group LLC [2026-06-30] SOLE 0 1,216
Gamma Investing LLC [2026-06-30] DFND 1,171 1,171
True Wealth Design LLC [2026-06-30] SOLE 0 598
Farther Finance Advisors LLC [2026-06-30] SOLE 0 580
Versant Capital Management Inc [2026-06-30] SOLE 391 391
Activest Wealth Management [2026-06-30] SOLE 0 253
IFP Advisors LLC [2026-06-30] SOLE 200 200
MassMutual Private Wealth & Trust FSB [2026-06-30] SOLE 119 119
Community Financial Services Group LLC [2026-06-30] SOLE 115 115
HM Payson & Co [2026-06-30] SOLE 110 110
Global X Japan Co Ltd [2026-06-30] SOLE 55 55
Bangor Savings Bank [2026-06-30] SOLE 27 27
Investors Research Corp [2026-06-30] SOLE 0 22
Hunter Perkins Capital Management LLC [2026-06-30] SOLE 0 22
Farmers & Merchants Investments Inc [2026-06-30] SOLE 17 17
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