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Disclosery

MKTX MARKETAXESS HLDGS INC

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COM (common), issuer CIK 1278021

387 managers (398 13F filers) reported a position in MKTX shares at 2026-06-30, 39,092,910 shares in all. 53 filers opened a position and 107 filers sold out during the quarter.

Managers
387
13F filers
398
New
53
Added
130
Reduced
171
Sold out
107
Shares held by filers
39,092,910

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q2 2026

Filers in the available 13F reports with a share position at 2026-06-30, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
Engineers Gate Manager LP4,050$460K0.01%-81513F-HRTimeline
TEACHER RETIREMENT SYSTEM OF TEXAS4,049$460K<0.01%+2,58913F-HRTimeline
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\3,979$452K<0.01%-33,49713F-HRTimelineGroup
Hennion & Walsh Asset Management, Inc.3,959$449K0.01%-40913F-HRTimeline
PUBLIC EMPLOYEES RETIREMENT ASSOCIATION…3,908$444K<0.01%013F-HRTimeline
Merit Financial Group, LLC3,812$433K<0.01%-9,89813F-HR/ATimeline
Krilogy Financial LLC3,803$432K0.01%-4,08113F-HRTimeline
Aquatic Capital Management LLC3,790$430K0.01%+2,28213F-HRTimeline
Lombard Odier Asset Management (Europe)…3,783$429K0.02%-17,14713F-HRTimeline
AXQ CAPITAL, LP3,734$424K0.05%-1,45613F-HRTimeline
MAI Capital Management3,708$421K<0.01%+3,26513F-HRTimeline
IMC-Chicago, LLC3,685$418K<0.01%new13F-HRTimeline
AVIVA PLCin group AVIVA PLC3,666$416K<0.01%+1,16613F-HRTimelineGroup
Odyssean, LLC3,661$415K0.07%+2,28013F-HRTimeline
BRIGHTON JONES LLC3,656$415K0.01%-9,44213F-HRTimeline
Sivia Capital Partners, LLC3,554$403K0.05%-1,62413F-HRTimeline
&PARTNERS3,373$383K<0.01%+37113F-HRTimeline
CITIZENS FINANCIAL GROUP INC/RIin group CITIZENS FINANCIAL GROUP INC/…3,297$374K<0.01%+70513F-HRTimelineGroup
South Dakota Investment Council3,150$357K0.01%+2,30013F-HRTimeline
WALLED LAKE PLANNING & WEALTH MANAGEMEN…3,116$354K0.09%-7,42813F-HRTimeline
Federation des caisses Desjardins du Qu…3,072$349K<0.01%+41213F-HRTimeline
Machina Capital S.A.S.3,056$347K0.05%+1,10713F-HRTimeline
Integrated Wealth Concepts LLC3,010$342K<0.01%-4,78613F-HR/ATimeline
AMICA MUTUAL INSURANCE CO2,758$313K0.03%013F-HRTimeline
West Family Investments, Inc.2,714$308K0.09%new13F-HRTimeline
TD Waterhouse Canada Inc.2,648$303K<0.01%-91913F-HRTimeline
Atom Investors LP2,669$303K0.03%new13F-HRTimeline
XPONANCE LLC2,634$299K<0.01%-13513F-HRTimeline
OPTIMIZE FINANCIAL INC.2,559$290K0.1%013F-HRTimeline
Sound Capital Solutions LLC2,559$290K0.07%13F-HRTimeline
Empowered Funds, LLC2,519$286K<0.01%-3,95513F-HRTimeline
HB Wealth Management, LLC2,517$286K<0.01%-70513F-HRTimeline
Unique Wealth Strategies, LLC2,506$284K0.1%new13F-HRTimeline
DARK FOREST CAPITAL MANAGEMENT LP2,435$276K0.02%-5,60913F-HRTimeline
VIRGINIA RETIREMENT SYSTEMS ET Al2,400$272K<0.01%new13F-HRTimeline
DRW Securities, LLC2,370$269K0.02%-1,72813F-HRTimeline
SIMPLEX TRADING, LLC2,336$265K0.01%new13F-HRTimeline
Morningstar Investment Management LLCin group Morningstar Investment Manage…1,602$264K0.02%013F-HRTimelineGroup
X-Square Capital, LLC2,330$264K0.07%+14513F-HRTimeline
Swiss Life Asset Management Ltdin group Swiss Life Asset Management L…2,304$261K<0.01%+16213F-HRTimelineGroup
HORIZON KINETICS ASSET MANAGEMENT LLC2,254$256K<0.01%+15213F-HRTimeline
CIBC Asset Management Inc2,238$254K<0.01%013F-HRTimeline
EVOLVE PRIVATE WEALTH, LLC2,198$249K0.02%-3,50213F-HRTimeline
WESTPAC BANKING CORPin group WESTPAC BANKING CORP2,194$249K0.02%+1,85313F-HRTimelineGroup
Perpetual Ltdin group Perpetual Ltd2,194$249K<0.01%new13F-HRTimelineGroup
Bull Harbor Capital LLC2,169$246K0.05%-4,20913F-HRTimeline
Balyasny Asset Management L.P.in group Balyasny Asset Management2,153$244K<0.01%-2,03213F-HRTimelineGroup
Claret Asset Management Corp2,127$241K0.03%new13F-HRTimeline
BLAIR WILLIAM & CO/IL2,085$237K<0.01%new13F-HRTimeline
Pathstone Holdings, LLCin group Pathstone Holdings, LLC2,077$236K<0.01%+25113F-HRTimelineGroup
HighTower Advisors, LLC2,060$234K<0.01%-3,77613F-HRTimeline
Ensign Peak Advisors, Inc2,057$233K<0.01%-3,11013F-HRTimeline
Inspire Investing, LLCgroup of 2 filers holding2,027$230K-1,030Timeline
Centiva Capital, LP2,002$227K0.01%new13F-HRTimeline
Caerus Investment Advisors, LLC1,990$226K0.08%-43413F-HRTimeline
RMR Wealth Builders1,959$222K0.01%+213F-HRTimeline
ARMISTICE CAPITAL, LLC1,952$222K0.01%new13F-HRTimeline
Knollwood Investment Advisory, LLC1,934$219K0.02%013F-HRTimeline
GLENMEDE TRUST CO NAin group GLENMEDE TRUST CO NA1,910$217K<0.01%new13F-HRTimelineGroup
TRANSCEND CAPITAL ADVISORS, LLC1,909$217K0.01%-57413F-HRTimeline
Linden Thomas Advisory Services, LLC1,907$216K0.02%-1713F-HRTimeline
DNB Asset Management ASin group DNB Asset Management AS1,902$216K<0.01%013F-HRTimelineGroup
Waverly Advisors, LLC1,895$215K<0.01%-1,47113F-HRTimeline
AlphaCore Capital LLC1,875$213K<0.01%new13F-HRTimeline
New Age Alpha Advisors, LLC1,864$212K0.01%-1,38013F-HRTimeline
Utah Retirement Systems1,823$207K<0.01%-10413F-HRTimeline
KEYBANK NATIONAL ASSOCIATION/OHin group KEYBANK NATIONAL ASSOCIATION/…1,780$202K<0.01%-97113F-HRTimelineGroup
Nykredit A/Sin group Nykredit A/S1,751$199K<0.01%13F-HR/ATimelineGroup
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…1,649$187K<0.01%-47613F-HRTimelineGroup
HANTZ FINANCIAL SERVICES, INC.1,575$179K<0.01%+67813F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
NISA INVESTMENT ADVISORS, LLC1,508$171K<0.01%-3,72313F-HRTimeline
Essential Partners LLC1,469$167K0.08%-2,23713F-HRTimeline
Allworth Financial LP1,435$163K<0.01%-1,05913F-HRTimeline
GLOBEFLEX CAPITAL L P1,371$156K0.02%013F-HRTimeline
KBC Group NVin group KBC Group NV1,194$136K<0.01%013F-HRTimelineGroup
Mitsubishi UFJ Trust & Banking Corpgroup of 2 filers holding1,174$133K+1,118Timeline
BARD ASSOCIATES INC1,174$133K0.03%+1513F-HRTimeline
GAMMA Investing LLC1,171$133K<0.01%-27313F-HRTimeline
NORTHWESTERN MUTUAL WEALTH MANAGEMENT COin group NORTHWESTERN MUTUAL INVESTMEN…1,153$131K<0.01%+33413F-HRTimelineGroup
Horizon Investments, LLC1,092$124K<0.01%+17113F-HRTimeline
Sterling Capital Management LLC1,052$119K<0.01%-17113F-HRTimeline
US BANCORP \DE\in group US BANCORP \DE\1,029$117K<0.01%-1,93913F-HRTimelineGroup
Archer Investment Corp993$113K0.02%013F-HR/ATimeline
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…938$106K<0.01%-2,16013F-HRTimelineGroup
Bayforest Capital Ltd778$88.3K0.08%+57313F-HRTimeline
STRS OHIO737$83.6K<0.01%-13513F-HRTimeline
Pinnacle Wealth Planning Services, Inc.707$80.2K0.01%-3013F-HRTimeline
Leonteq Securities AG679$77.1K<0.01%+64013F-HRTimeline
REXFORD CAPITAL INC614$69.7K0.04%+40013F-HRTimeline
True Wealth Design, LLC598$67.9K0.02%-2513F-HRTimeline
Farther Finance Advisors, LLC580$65.7K<0.01%-59513F-HRTimeline
MetLife Investment Management, LLCin group MetLife Investment Management…570$64.7K<0.01%-2713F-HRTimelineGroup
Eurizon Capital SGR S.p.A.580$63.8K<0.01%013F-HRTimeline
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…549$62.3K<0.01%-73213F-HRTimelineGroup
Salomon & Ludwin, LLC480$55K<0.01%+6313F-HRTimeline
State of Wyoming432$49K<0.01%new13F-HRTimeline
Larson Financial Group LLC421$47.8K<0.01%-2,98913F-HRTimeline
Versant Capital Management, Inc391$44.4K<0.01%+26713F-HRTimeline
Pacer Advisors, Inc.377$43K<0.01%-6713F-HRTimeline
Asset Management One Co., Ltd.362$41.1K<0.01%+9313F-HRTimeline
Clearstead Advisors, LLC287$32.6K<0.01%-2,04513F-HRTimeline
Generali Asset Management SPA SGR268$30.4K<0.01%+5413F-HRTimeline
UMB Bank, n.a.267$30.3K<0.01%+5613F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
Activest Wealth Management253$28.7K0.01%+14013F-HRTimeline
FEDERATED HERMES, INC.in group FEDERATED HERMES, INC.246$27.9K<0.01%-3313F-HRTimelineGroup
GROUP ONE TRADING LLC232$26.3K<0.01%new13F-HRTimeline
IFP Advisors, Inc200$22.7K<0.01%-7,54113F-HRTimeline
HUNTINGTON NATIONAL BANKin group HUNTINGTON NATIONAL BANK143$16.2K<0.01%+11513F-HRTimelineGroup
BESSEMER GROUP INCin group BESSEMER GROUP INC129$15K<0.01%-2,06113F-HRTimelineGroup
Bare Financial Services, Inc132$15K<0.01%+6113F-HRTimeline
Bank Julius Baer & Co. Ltd, Zurich125$14.2K<0.01%013F-HRTimeline
MassMutual Private Wealth & Trust, FSB119$13.5K<0.01%-10313F-HRTimeline
Community Financial Services Group, LLC115$13.2K<0.01%013F-HRTimeline
Smartleaf Asset Management LLC117$12.9K<0.01%013F-HRTimeline
Parkside Financial Bank & Trust113$12.8K<0.01%+7013F-HRTimeline
HM PAYSON & CO110$12.5K<0.01%013F-HRTimeline
Caitong International Asset Management …109$12.4K<0.01%-57013F-HRTimeline
Parallel Advisors, LLC105$11.9K<0.01%+7213F-HRTimeline
CNB Bank92$10.4K<0.01%013F-HRTimeline
NOMURA ASSET MANAGEMENT CO LTDgroup of 2 filers holding90$10.2K-1,777Timeline
SIGNATUREFD, LLC84$9.53K<0.01%-1813F-HRTimeline
Global Retirement Partners, LLC77$8.74K<0.01%13F-HRTimeline
Steward Partners Investment Advisory, L…70$7.94K<0.01%-14113F-HRTimeline
Boreal Capital Management LLC70$7.94K0.01%013F-HRTimeline
WHITTIER TRUST CO OF NEVADA INC64$7.59K<0.01%-80013F-HRTimeline
Ancora Advisors LLCin group Ancora Advisors LLC63$7.15K<0.01%-4,93813F-HRTimelineGroup
Covestor Ltd60$7K<0.01%-37613F-HRTimeline
MATHER GROUP, LLC.60$6.81K<0.01%013F-HRTimeline
Wealth Enhancement Trust Services, Inc.60$6.81K<0.01%new13F-HR/ATimeline
SBI Securities Co., Ltd.59$6.7K<0.01%+1113F-HRTimeline
SJS Investment Consulting Inc.57$6.47K<0.01%-14313F-HRTimeline
Global X Japan Co., Ltd.55$6.24K<0.01%+313F-HRTimeline
INTERNATIONAL ASSETS INVESTMENT MANAGEM…51$5.84K<0.01%013F-HRTimeline
MCF Advisors LLC50$5.67K<0.01%013F-HRTimeline
PRIVATE TRUST CO NA46$5.22K<0.01%-5013F-HRTimeline
FJARDE AP-FONDEN /FOURTH SWEDISH NATION…44$4.99K<0.01%013F-HRTimeline
STOREBRAND ASSET MANAGEMENT AS43$4.88K<0.01%013F-HRTimeline
Private Wealth Management Group, LLC35$3.97K<0.01%new13F-HRTimeline
Bogart Wealth, LLC34$3.84K<0.01%+913F-HRTimeline
Rockefeller Capital Management L.P.in group Rockefeller Capital Managemen…31$3.52K<0.01%-6913F-HRTimelineGroup
C M BIDWELL & ASSOCIATES LTD29$3.29K<0.01%013F-HRTimeline
Keating Financial Advisory Services, In…28$3.18K<0.01%+313F-HRTimeline
Transamerica Financial Advisors, LLCin group Transamerica Financial Adviso…27$3.09K<0.01%+1313F-HRTimelineGroup
Bangor Savings Bank27$3.06K<0.01%-513F-HRTimeline
Smithfield Trust Co28$3K<0.01%013F-HRTimeline
Anchor Investment Management, LLC23$2.65K<0.01%-35113F-HRTimeline
Investors Research Corp22$2.5K<0.01%013F-HRTimeline
Fulcrum Asset Management LLP22$2.42K<0.01%new13F-HRTimeline
Manchester Capital Management LLC20$2.27K<0.01%-1513F-HRTimeline
NewEdge Advisors, LLC19$2.11K<0.01%-2,07213F-HRTimeline
FARMERS & MERCHANTS INVESTMENTS INCin group FARMERS & MERCHANTS INVESTMEN…17$1.93K<0.01%013F-HRTimelineGroup
FIDUCIARY FINANCIAL ADVISORS17$1.93K<0.01%new13F-HRTimeline
Rossby Financial, LCC15$1.7K<0.01%013F-HRTimeline
SALEM INVESTMENT COUNSELORS INC14$1.59K<0.01%013F-HRTimeline
JFS WEALTH ADVISORS, LLC13$1.48K<0.01%013F-HRTimeline
MTM Investment Management, LLC12$1.36K<0.01%013F-HRTimeline
Cape Investment Advisory, Inc.12$1.36K<0.01%new13F-HRTimeline
Prestige Wealth Management Group LLC10$1.14K<0.01%+813F-HRTimeline
JPL Wealth Management, LLC10$1.14K<0.01%-2613F-HRTimeline
Kilter Group LLC10$1.14K<0.01%+413F-HRTimeline
Quent Capital, LLC9$1.02K<0.01%-14213F-HRTimeline
HARBOUR INVESTMENTS, INC.8$908<0.01%013F-HRTimeline
Stone House Investment Management, LLC8$908<0.01%-1513F-HRTimeline
Cromwell Holdings LLC7$794<0.01%+113F-HRTimeline
CENTRAL TRUST Co6$681<0.01%-113F-HRTimeline
SouthState Bank Corpin group SouthState Bank Corp5$568<0.01%-413F-HRTimelineGroup
TD PRIVATE CLIENT WEALTH LLC5$567<0.01%new13F-HRTimeline
CoreCap Advisors, LLC5$567<0.01%new13F-HRTimeline
Rakuten Securities, Inc.in group Rakuten Group, Inc.5$567<0.01%new13F-HRTimelineGroup
ZIONS BANCORPORATION, NATIONAL ASSOCIAT…4$454<0.01%+213F-HRTimeline
MV CAPITAL MANAGEMENT, INC.4$454<0.01%-713F-HR/ATimeline
Creative Capital Management Investments…4$454<0.01%new13F-HRTimeline
GILPIN WEALTH MANAGEMENT, LLC4$454<0.01%-113F-HRTimeline
Bell Investment Advisors, Inc3$341<0.01%013F-HRTimeline
Twin Tree Management, LP3$340<0.01%-2,94613F-HRTimeline
Quarry LP3$340<0.01%-26013F-HRTimeline
Cornerstone Planning Group LLC2$228<0.01%-113F-HRTimeline
Davis Capital Management2$227<0.01%new13F-HRTimeline
Ameritas Advisory Services, LLCin group Ameritas Investment Partners,…2$227<0.01%new13F-HRTimelineGroup
Fortitude Family Office, LLC2$227<0.01%-1413F-HRTimeline
DecisionPoint Financial, LLC1$115<0.01%new13F-HRTimeline
Abound Wealth Management1$114<0.01%013F-HRTimeline
DiNuzzo Private Wealth, Inc.1$114<0.01%-413F-HRTimeline
HFM Investment Advisors, LLC1$114<0.01%-113F-HRTimeline
RAFFA WEALTH MANAGEMENT, LLC1$113<0.01%-413F-HRTimeline
Silver Grove Financial Group, Inc.1$113<0.01%new13F-HRTimeline
Erste Asset Management GmbHin group Erste Asset Management GmbH0$00%013F-HRTimelineGroupValue filed as zero, left out of ratios. Amount filed as zero, left out of ratios.