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Marketaxess Holdings Inc

MKTX
Exchange
Nasdaq
Industry
Security Brokers, Dealers & Flotation Companies
SEC CIK
0001278021

In the last 90 days, Marketaxess Holdings Inc insiders filed 0 open-market purchases and 4 sales; 397 institutions reported holding it in 13F filings for Q2 2026, worth $4.44B in total; no superinvestor holds it.

13F holders, Q1 2023

Institutional positions in Marketaxess Holdings Inc as of Mar 31, 2023. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
540
+46 vs. Q4 2022
Shares held
37.0M
+219.0K (+0.6%) vs. Q4 2022
Total value
$14.5B
+$4.20B (+40.8%) vs. Q4 2022
New holders
87
194 more added
Sold out
41
184 more reduced

6 institutions that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2022: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting MKTX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2023: 540 institutions
Q1 2021: 589 institutionsQ2 2021: 551 institutionsQ3 2021: 508 institutionsQ4 2021: 505 institutionsQ1 2022: 506 institutionsQ2 2022: 505 institutionsQ3 2022: 479 institutionsQ4 2022: 500 institutionsQ1 2023: 540 institutionsQ2 2023: 514 institutionsQ3 2023: 485 institutionsQ4 2023: 506 institutionsQ1 2024: 463 institutionsQ2 2024: 468 institutionsQ3 2024: 511 institutionsQ4 2024: 519 institutionsQ1 2025: 511 institutionsQ2 2025: 531 institutionsQ3 2025: 452 institutionsQ4 2025: 487 institutionsQ1 2026: 452 institutionsQ2 2026: 397 institutions
Value heldQ1 2023: $14.5B
Q1 2021: $17.7BQ2 2021: $16.8BQ3 2021: $15.3BQ4 2021: $15.0BQ1 2022: $12.4BQ2 2022: $9.28BQ3 2022: $8.19BQ4 2022: $10.3BQ1 2023: $14.5BQ2 2023: $9.88BQ3 2023: $7.98BQ4 2023: $10.9BQ1 2024: $8.14BQ2 2024: $7.48BQ3 2024: $9.42BQ4 2024: $8.51BQ1 2025: $8.05BQ2 2025: $8.24BQ3 2025: $6.21BQ4 2025: $6.62BQ1 2026: $6.31BQ2 2026: $4.44B
Institutions holding MKTX and their total value by quarter
QuarterHoldersValue
Q2 2026397$4.44B
Q1 2026452$6.31B
Q4 2025487$6.62B
Q3 2025452$6.21B
Q2 2025531$8.24B
Q1 2025511$8.05B
Q4 2024519$8.51B
Q3 2024511$9.42B
Q2 2024468$7.48B
Q1 2024463$8.14B
Q4 2023506$10.9B
Q3 2023485$7.98B
Q2 2023514$9.88B
Q1 2023540$14.5B
Q4 2022500$10.3B
Q3 2022479$8.19B
Q2 2022505$9.28B
Q1 2022506$12.4B
Q4 2021505$15.0B
Q3 2021508$15.3B
Q2 2021551$16.8B
Q1 2021589$17.7B

Institutions, Q1 2023

Shares, value and share of portfolio for each institution holding Marketaxess Holdings Inc; share changes are against Q4 2022.

Institutions holding MKTX in Q1 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Horizon Investments, LLC631$246.3K0.01%−110−14.8%Reduced
Meritage Group LP610$239.0K0.01%−244−28.6%Reduced
Wetherby Asset Management Inc596$233.2K0.01%+596New
Veriti Management LLC583$228.1K0.03%+583New
Mutual Advisors, LLC576$225.4K0.01%+576New
Meiji Yasuda Asset Management Co Ltd.568$222.0K0.01%−869−60.5%Reduced
RiverTree Advisors, LLC543$212.5K0.15%+543New
Two Sigma Securities, LLC539$210.9K0.02%+539New
Wallace Advisory Group, LLC536$209.7K0.16%+536New
Morningstar Investment Services LLC529$204.0K0.00%+529New
Buckingham Strategic Wealth, LLC731$203.9K0.00%00.0%Unchanged
Independent Financial Group, LLC521$203.9K0.02%+521New
Johnson Investment Counsel Inc520$203.5K0.00%+520New
Lincoln National Corp519$203.1K0.00%+519New
Paradigm Asset Management Co LLC500$195.6K0.05%00.0%Unchanged
Gladius Capital Management LP499$195.3K0.06%+7+1.4%Added
CWM, LLC487$191.0K0.00%+48+10.9%Added
Tobam478$187.0K0.01%+129+37.0%Added
Ameritas Investment Partners, Inc.454$177.6K0.01%00.0%Unchanged
Quadrant Capital Group LLC447$174.9K0.02%+52+13.2%Added
Hall Laurie J Trustee430$168.0K0.07%+25+6.2%Added
ING Groep NV396$155.0K0.00%−6,003−93.8%Reduced
Covestor Ltd352$138.0K0.12%−111−24.0%Reduced
Harvest Fund Management Co., Ltd347$136.0K0.03%+347New
Ci Investments Inc.340$133.0K0.00%+1+0.3%Added
Desjardins Global Asset Management Inc.338$132.0K0.02%+228+207.3%Added
Belpointe Asset Management LLC313$122.6K0.01%−237−43.1%Reduced
C M Bidwell & Associates Ltd313$122.5K0.09%+284+979.3%Added
Atlas Capital Advisors LLC301$117.8K0.02%+301New
Signaturefd, LLC298$116.6K0.00%−3−1.0%Reduced
Riverview Trust Co281$110.0K0.10%00.0%Unchanged
Pinnacle Financial Partners Inc250$97.8K0.00%00.0%Unchanged
Sentry Investment Management LLC247$97.0K0.04%−9−3.5%Reduced
EverSource Wealth Advisors, LLC230$90.0K0.01%+4+1.8%Added
First Horizon Advisors, Inc.196$76.8K0.00%−14−6.7%Reduced
Private Trust Co NA193$75.5K0.01%00.0%Unchanged
Resurgent Financial Advisors LLC186$72.8K0.05%−12−6.1%Reduced
Clearstead Advisors, LLC175$68.5K0.00%+125+250.0%Added
JTC Employer Solutions Trusteee Ltd266$68.0K0.01%00.0%Unchanged
Fred Alger Management, LLC172$67.3K0.00%−58−25.2%Reduced
Leonteq Securities AG171$66.9K0.01%−173−50.3%Reduced
State of Wyoming155$60.6K0.02%−3−1.9%Reduced
Compass Wealth Management LLC146$57.1K0.02%00.0%Unchanged
Global Retirement Partners, LLC177$52.9K0.00%−127−41.8%Reduced
Federation des caisses Desjardins du Quebec125$48.9K0.00%−2,818−95.8%Reduced
Parkside Financial Bank & Trust117$45.8K0.01%+45+62.5%Added
HM Payson & Co110$43.0K0.00%00.0%Unchanged
TD Waterhouse Canada Inc.90$41.6K0.00%00.0%Unchanged
CVA Family Office, LLC106$41.5K0.01%00.0%Unchanged
Massmutual Trust Co FSB106$41.5K0.00%+35+49.3%Added
Bessemer Group Inc105$41.0K0.00%−58−35.6%Reduced
Ellevest, Inc.104$40.7K0.00%00.0%Unchanged
Bartlett & Co. Wealth Management LLC100$39.1K0.00%00.0%Unchanged
Bartlett & Co. LLC100$39.0K0.00%00.0%Unchanged
Parallel Advisors, LLC94$36.8K0.00%+17+22.1%Added
CNB Bank92$36.0K0.02%00.0%Unchanged
TFC Financial Management91$35.7K0.01%+1+1.1%Added
JJJ Advisors Inc.106$35.6K0.01%00.0%Unchanged
Allworth Financial LP81$31.7K0.00%+7+9.5%Added
Penserra Capital Management LLC80$31.0K0.00%−19−19.2%Reduced
VitalStone Financial, LLC73$31.0K0.03%+73New
Bokf, NA78$30.5K0.00%+78New
Clear Street Markets LLC72$28.0K0.01%+35+94.6%Added
Achmea Investment Management B.V.66$26.0K0.00%00.0%Unchanged
Steward Partners Investment Advisory, LLC66$25.8K0.00%00.0%Unchanged
Sugarloaf Wealth Management, LLC62$24.3K0.01%00.0%Unchanged
Fortis Capital Advisors, LLC59$23.1K0.01%−237−80.1%Reduced
Acadian Asset Management LLC58$22.0K0.00%−1,877−97.0%Reduced
Roble, Belko & Company, Inc55$22.0K0.00%00.0%Unchanged
Lindbrook Capital, LLC56$21.9K0.00%+1+1.8%Added
Whittier Trust Co of Nevada Inc50$19.6K0.00%00.0%Unchanged
Smithfield Trust Co47$19.0K0.00%00.0%Unchanged
Lee Financial Co42$16.4K0.00%00.0%Unchanged
Farther Finance Advisors, LLC42$16.4K0.00%+1+2.4%Added
MV Capital Management, Inc.38$14.9K0.00%00.0%Unchanged
Livforsakringsbolaget Skandia, Omsesidigt36$14.1K0.00%00.0%Unchanged
West Branch Capital LLC34$13.3K0.01%00.0%Unchanged
TD Private Client Wealth LLC30$11.7K0.00%+4+15.4%Added
Colonial Trust Co28$11.0K0.00%+28New
Farmers & Merchants Investments Inc25$9.78K0.00%00.0%Unchanged
Huntington National Bank24$9.39K0.00%+5+26.3%Added
Glassman Wealth Services23$9.00K0.00%+8+53.3%Added
Ronald Blue Trust, Inc.32$9.00K0.00%+19+146.2%Added
Prestige Wealth Management Group LLC22$8.61K0.00%−7−24.1%Reduced
Investors Research Corp22$8.61K0.00%00.0%Unchanged
Ameritas Advisory Services, LLC20$7.47K0.00%+20New
Ranger Investment Management, L.P.19$7.43K0.00%00.0%Unchanged
JFS Wealth Advisors, LLC19$7.43K0.00%+3+18.8%Added
GWM Advisors LLC19$7.43K0.00%00.0%Unchanged
Earnest Partners LLC18$7.04K0.00%00.0%Unchanged
Hantz Financial Services, Inc.19$7.00K0.00%00.0%Unchanged
Capital Advisors, Ltd. LLC18$7.00K0.00%00.0%Unchanged
Migdal Insurance & Financial Holdings Ltd.18$7.00K0.00%+12+200.0%Added
Schubert & Co15$5.87K0.01%+2+15.4%Added
SJS Investment Consulting Inc.15$5.87K0.00%+10+200.0%Added
Eagle Bay Advisors LLC15$5.87K0.00%−1−6.3%Reduced
Quent Capital, LLC15$5.87K0.00%00.0%Unchanged
Venturi Wealth Management, LLC14$5.48K0.00%+14New
Cary Street Partner Investment Advisory LLC14$5.48K0.00%00.0%Unchanged
Sutton Wealth Advisors Inc.13$5.09K0.00%−5−27.8%Reduced