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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
Nuveen Asset Management, LLC157,631$61.7M0.02%−10,218−6.1%Reduced
Los Angeles Capital Management LLC162,552$63.6M0.28%+124,243+324.3%Added
JPMorgan Chase & Co173,958$68.1M0.01%−62,004−26.3%Reduced
Goldman Sachs Group Inc176,296$69.0M0.02%−63,583−26.5%Reduced
Jackson Square Partners, LLC187,396$73.3M1.98%−234,991−55.6%Reduced
Dimensional Fund Advisors LP187,856$73.5M0.02%+660.0%Added
Bamco Inc190,561$74.6M0.22%−37,138−16.3%Reduced
Stephens Investment Management Group LLC194,445$76.1M1.27%−31,227−13.8%Reduced
UBS Asset Management Americas Inc214,594$84.0M0.04%−410.0%Reduced
Legal & General Group Plc235,802$92.3M0.03%+9,339+4.1%Added
California Public Employees Retirement System245,655$96.1M0.09%−15,099−5.8%Reduced
Prudential Financial Inc248,207$97.1M0.15%+197,044+385.1%Added
APG Asset Management N.V.277,449$99.9M0.21%+16,333+6.3%Added
Morgan Stanley275,155$107.7M0.01%−59,861−17.9%Reduced
Bank of New York Mellon Corp300,410$117.5M0.03%−41,302−12.1%Reduced
Allianz Asset Management GmbH302,628$118.4M0.25%−32,212−9.6%Reduced
Lord, Abbett & Co. LLC305,441$119.5M0.43%+223,941+274.8%Added
Charles Schwab Investment Management Inc334,430$130.9M0.04%+4,209+1.3%Added
Neuberger Berman Group LLC351,962$137.7M0.13%−6,392−1.8%Reduced
Price T Rowe Associates Inc374,040$146.4M0.02%+48,338+14.8%Added
Northern Trust Corp385,918$151.0M0.03%−3,847−1.0%Reduced
Invesco Ltd.400,560$156.7M0.04%+26,905+7.2%Added
Norges Bank402,687$157.6M0.03%+5,986+1.5%Added
Artisan Partners Limited Partnership403,810$158.0M0.26%+345,005+586.7%Added
Eagle Asset Management Inc560,489$219.3M1.28%−67,203−10.7%Reduced
Allspring Global Investments Holdings, LLC611,281$239.2M0.40%+15,154+2.5%Added
American Century Companies Inc759,089$295.7M0.23%−173,407−18.6%Reduced
Kayne Anderson Rudnick Investment Management LLC760,439$297.6M0.87%−16,437−2.1%Reduced
Geode Capital Management, LLC860,104$335.9M0.04%+16,551+2.0%Added
Macquarie Group Ltd971,759$380.2M0.45%+167,942+20.9%Added
Primecap Management Co1,109,230$434.0M0.38%+127,200+13.0%Added
Ownership Capital B.V.1,128,486$441.6M7.77%−112,331−9.1%Reduced
Baillie Gifford & Co1,430,281$559.7M0.50%+2,978+0.2%Added
T. Rowe Price Investment Management, Inc.1,537,435$601.6M0.43%−533,956−25.8%Reduced
State Street Corp1,639,122$641.4M0.04%−95,983−5.5%Reduced
Royal Bank of Canada1,694,411$663.0M0.20%+504,924+42.4%Added
Guardcap Asset Management Ltd1,900,394$743.6M10.39%−2,661−0.1%Reduced
BlackRock Inc.3,928,679$1.54B0.05%+608,107+18.3%Added
Vanguard Group Inc4,485,903$1.76B0.04%+194,105+4.5%Added
Cerity Partners LLC760––+760New
Two Sigma Advisers, LP0$00.00%−88,000−100.0%Sold out
Weitz Investment Management, Inc.SuperinvestorWeitz Investment Management0$00.00%−18,000−100.0%Sold out
ICICI Prudential Asset Management Co Ltd0$00.00%−12,628−100.0%Sold out
Pinebridge Investments, L.P.0$00.00%−9,347−100.0%Sold out
Flossbach Von Storch AG0$00.00%−8,400−100.0%Sold out
Quadrature Capital Ltd0$00.00%−6,489−100.0%Sold out
Holocene Advisors, LP0$00.00%−5,356−100.0%Sold out
Edgestream Partners, L.P.0$00.00%−5,161−100.0%Sold out
Vetamer Capital Management, L.P.0$00.00%−5,081−100.0%Sold out
ExodusPoint Capital Management, LP0$00.00%−5,031−100.0%Sold out
First Washington CORP0$00.00%−3,601−100.0%Sold out
Bramshill Investments, LLC0$00.00%−3,207−100.0%Sold out
Park Avenue Securities LLC0$00.00%−3,037−100.0%Sold out
Two Sigma Investments, LP0$00.00%−2,888−100.0%Sold out
Allstate Corp0$00.00%−2,513−100.0%Sold out
Capula Management Ltd0$00.00%−2,030−100.0%Sold out
Aigen Investment Management, LP0$00.00%−1,558−100.0%Sold out
Walleye Trading LLC0$00.00%−1,463−100.0%Sold out
Teza Capital Management LLC0$00.00%−1,410−100.0%Sold out
TCWP LLC0$00.00%−1,376−100.0%Sold out
TrimTabs Asset Management, LLC0$00.00%−1,340−100.0%Sold out
Diversified Trust Co0$00.00%−1,142−100.0%Sold out
HBK Sorce Advisory LLC0$00.00%−804−100.0%Sold out
Stanley-Laman Group, Ltd.0$00.00%−802−100.0%Sold out
Steel Peak Wealth Management LLC0$00.00%−800−100.0%Sold out
Worldquant Millennium Advisors LLC0$00.00%−777−100.0%Sold out
Quantitative Investment Management, LLC0$00.00%−759−100.0%Sold out
Acrisure Capital Management, LLC0$00.00%−753−100.0%Sold out
Bellevue Group AG0$00.00%−662−100.0%Sold out
Harbor Capital Advisors, Inc.0$00.00%−299−100.0%Sold out
Freedom Wealth Alliance, LLC0$00.00%−223−100.0%Sold out
Comerica Securities,inc.0$00.00%−85−100.0%Sold out
GoalVest Advisory LLC0$00.00%−67−100.0%Sold out
Money Concepts Capital Corp0$00.00%−60−100.0%Sold out
General Partner, Inc.0$00.00%−49−100.0%Sold out
Romano Brothers and Company0$00.00%−36−100.0%Sold out
National Pension Service0$00.00%−14−100.0%Sold out
U.S. Capital Wealth Advisors, LLC0$00.00%−14−100.0%Sold out
Accurate Wealth Management, LLC0$00.00%−2−100.0%Sold out
Cullen/Frost Bankers, Inc.0$00.00%−2−100.0%Sold out
My Personal CFO, LLC0$00.00%−2−100.0%Sold out
Comerica Bank––––Not filed
Seeyond––––Not filed
Allstate Investment Management Co––––Not filed
Canandaigua National Corp––––Not filed
Semmax Financial Advisors Inc.––––Not filed
Cornerstone Planning Group LLC––––Not filed