Skip to main content

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, Q3 2023

Institutional positions in Marketaxess Holdings Inc as of Sep 30, 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
485
−25 vs. Q2 2023
Shares held
37.3M
−302.5K (−0.8%) vs. Q2 2023
Total value
$7.98B
−$1.86B (−18.9%) vs. Q2 2023
New holders
47
180 more added
Sold out
72
188 more reduced

4 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2023: 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 holdersQ3 2023: 485 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 heldQ3 2023: $7.98B
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, Q3 2023

Shares, value and share of portfolio for each institution holding Marketaxess Holdings Inc; share changes are against Q2 2023.

Institutions holding MKTX in Q3 2023
InstitutionSharesValue% of portfolioChange in sharesAction
MML Investors Services, LLC0$00.00%−4,591−100.0%Sold out
Quantitative Investment Management, LLC0$00.00%−3,994−100.0%Sold out
Bayesian Capital Management, LP0$00.00%−3,916−100.0%Sold out
Alberta Investment Management Corp0$00.00%−3,696−100.0%Sold out
ClariVest Asset Management LLC0$00.00%−3,606−100.0%Sold out
Versor Investments LP0$00.00%−3,457−100.0%Sold out
Stevens Capital Management LP0$00.00%−3,420−100.0%Sold out
Dynamic Technology Lab Private Ltd0$00.00%−3,064−100.0%Sold out
Premier Fund Managers Ltd0$00.00%−2,610−100.0%Sold out
Empowered Funds, LLC0$00.00%−2,615−100.0%Sold out
Western Financial Corp0$00.00%−2,523−100.0%Sold out
Twin Tree Management, LP0$00.00%−2,511−100.0%Sold out
Virtu Financial LLC0$00.00%−2,349−100.0%Sold out
Virtus ETF Advisers LLC0$00.00%−2,326−100.0%Sold out
Wealthfront Advisers LLC0$00.00%−2,122−100.0%Sold out
Blair William & Co0$00.00%−2,062−100.0%Sold out
Cetera Advisor Networks LLC0$00.00%−1,888−100.0%Sold out
Everence Capital Management Inc0$00.00%−1,390−100.0%Sold out
Mercer Global Advisors Inc0$00.00%−1,358−100.0%Sold out
LRT Capital Management, LLC0$00.00%−1,323−100.0%Sold out
Glenmede Trust Co NA0$00.00%−846−100.0%Sold out
Vinva Investment Management Ltd0$00.00%−1,254−100.0%Sold out
Vestmark Advisory Solutions, Inc.0$00.00%−1,252−100.0%Sold out
Contravisory Investment Management, Inc.0$00.00%−1,219−100.0%Sold out
Blueshift Asset Management, LLC0$00.00%−1,134−100.0%Sold out
Qsemble Capital Management, LP0$00.00%−1,102−100.0%Sold out
Yorktown Management & Research Co Inc0$00.00%−1,100−100.0%Sold out
Cambridge Investment Research Advisors, Inc.0$00.00%−1,086−100.0%Sold out
Nelson, Van Denburg & Campbell Wealth Management Group, LLC0$00.00%−1,069−100.0%Sold out
SkyOak Wealth, LLC0$00.00%−969−100.0%Sold out
Benedict Financial Advisors Inc0$00.00%−965−100.0%Sold out
Kestra Advisory Services, LLC0$00.00%−939−100.0%Sold out
Flagship Harbor Advisors, LLC0$00.00%−898−100.0%Sold out
Coldstream Capital Management Inc0$00.00%−884−100.0%Sold out
Commonwealth Equity Services, LLC0$00.00%−858−100.0%Sold out
Machina Capital S.A.S.0$00.00%−825−100.0%Sold out
Bank of Nova Scotia Trust Co0$00.00%−806−100.0%Sold out
Wallace Advisory Group, LLC0$00.00%−536−100.0%Sold out
Vontobel Holding Ltd.0$00.00%−782−100.0%Sold out
Chiron Investment Management, LLC0$00.00%−605−100.0%Sold out
Resurgent Financial Advisors LLC0$00.00%−183−100.0%Sold out
CVA Family Office, LLC0$00.00%−106−100.0%Sold out
Loomis Sayles & Co L P0$00.00%−100−100.0%Sold out
American National Bank0$00.00%−39−100.0%Sold out
Capital Advisors, Ltd. LLC0$00.00%−18−100.0%Sold out
Key Financial Inc0$00.00%−14−100.0%Sold out
Clearview Wealth Advisors LLC0$00.00%−13−100.0%Sold out
Eagle Bay Advisors LLC0$00.00%−13−100.0%Sold out
Pittenger & Anderson Inc0$00.00%−12−100.0%Sold out
Crewe Advisors LLC0$00.00%−11−100.0%Sold out
Bokf, NA0$00.00%−6−100.0%Sold out
Sunbelt Securities, Inc.0$00.00%−5−100.0%Sold out
Plante Moran Financial Advisors, LLC0$00.00%−4−100.0%Sold out
Disciplined Investments, LLC0$00.00%−4−100.0%Sold out
Cornerstone Planning Group LLC0$00.00%−3−100.0%Sold out
Fairfield, Bush & Co.0$00.00%−2−100.0%Sold out
Atticus Wealth Management, LLC0$00.00%−1−100.0%Sold out
Kames Capital plc––––Not filed
Pictet Asset Management SA––––Not filed
EA Series Trust––––Not filed
Kistler-Tiffany Companies, LLC––––Not filed