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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
Vanguard Group Inc4,485,903$1.76B0.04%+194,105+4.5%Added
BlackRock Inc.3,928,679$1.54B0.05%+608,107+18.3%Added
Guardcap Asset Management Ltd1,900,394$743.6M10.39%−2,661−0.1%Reduced
Royal Bank of Canada1,694,411$663.0M0.20%+504,924+42.4%Added
State Street Corp1,639,122$641.4M0.04%−95,983−5.5%Reduced
T. Rowe Price Investment Management, Inc.1,537,435$601.6M0.43%−533,956−25.8%Reduced
Baillie Gifford & Co1,430,281$559.7M0.50%+2,978+0.2%Added
Ownership Capital B.V.1,128,486$441.6M7.77%−112,331−9.1%Reduced
Primecap Management Co1,109,230$434.0M0.38%+127,200+13.0%Added
Macquarie Group Ltd971,759$380.2M0.45%+167,942+20.9%Added
Geode Capital Management, LLC860,104$335.9M0.04%+16,551+2.0%Added
Kayne Anderson Rudnick Investment Management LLC760,439$297.6M0.87%−16,437−2.1%Reduced
American Century Companies Inc759,089$295.7M0.23%−173,407−18.6%Reduced
Allspring Global Investments Holdings, LLC611,281$239.2M0.40%+15,154+2.5%Added
Eagle Asset Management Inc560,489$219.3M1.28%−67,203−10.7%Reduced
Artisan Partners Limited Partnership403,810$158.0M0.26%+345,005+586.7%Added
Norges Bank402,687$157.6M0.03%+5,986+1.5%Added
Invesco Ltd.400,560$156.7M0.04%+26,905+7.2%Added
Northern Trust Corp385,918$151.0M0.03%−3,847−1.0%Reduced
Price T Rowe Associates Inc374,040$146.4M0.02%+48,338+14.8%Added
Neuberger Berman Group LLC351,962$137.7M0.13%−6,392−1.8%Reduced
Charles Schwab Investment Management Inc334,430$130.9M0.04%+4,209+1.3%Added
Lord, Abbett & Co. LLC305,441$119.5M0.43%+223,941+274.8%Added
Allianz Asset Management GmbH302,628$118.4M0.25%−32,212−9.6%Reduced
Bank of New York Mellon Corp300,410$117.5M0.03%−41,302−12.1%Reduced
Morgan Stanley275,155$107.7M0.01%−59,861−17.9%Reduced
APG Asset Management N.V.277,449$99.9M0.21%+16,333+6.3%Added
Prudential Financial Inc248,207$97.1M0.15%+197,044+385.1%Added
California Public Employees Retirement System245,655$96.1M0.09%−15,099−5.8%Reduced
Legal & General Group Plc235,802$92.3M0.03%+9,339+4.1%Added
UBS Asset Management Americas Inc214,594$84.0M0.04%−410.0%Reduced
Stephens Investment Management Group LLC194,445$76.1M1.27%−31,227−13.8%Reduced
Bamco Inc190,561$74.6M0.22%−37,138−16.3%Reduced
Dimensional Fund Advisors LP187,856$73.5M0.02%+660.0%Added
Jackson Square Partners, LLC187,396$73.3M1.98%−234,991−55.6%Reduced
Goldman Sachs Group Inc176,296$69.0M0.02%−63,583−26.5%Reduced
JPMorgan Chase & Co173,958$68.1M0.01%−62,004−26.3%Reduced
Los Angeles Capital Management LLC162,552$63.6M0.28%+124,243+324.3%Added
Nuveen Asset Management, LLC157,631$61.7M0.02%−10,218−6.1%Reduced
Tandem Investment Advisors, Inc.155,866$61.0M2.92%−5,407−3.4%Reduced
Raymond James & Associates155,553$60.9M0.05%+9,018+6.2%Added
Bridgewater Associates, LP147,299$57.6M0.35%−113,321−43.5%Reduced
GW&K Investment Management, LLC143,922$56.3M0.55%+868+0.6%Added
Van Berkom & Associates Inc.142,466$55.7M2.06%+6,951+5.1%Added
SEI Investments Co140,445$55.0M0.10%+19,191+15.8%Added
Westfield Capital Management Co LP139,854$54.7M0.39%−4,612−3.2%Reduced
Baird Financial Group, Inc.134,699$52.7M0.13%+86,593+180.0%Added
TD Asset Management Inc126,554$49.5M0.06%−41,027−24.5%Reduced
Caisse de Depot Et Placement du Quebec120,555$47.2M0.13%+33,610+38.7%Added
FMR LLC118,894$46.5M0.00%+18,528+18.5%Added
Bank of America Corp118,088$46.2M0.01%+15,404+15.0%Added
Amundi134,715$45.5M0.02%+3,359+2.6%Added
Source Financial Advisors LLC115,049$45.0M15.08%−6,985−5.7%Reduced
Sumitomo Mitsui Trust Holdings, Inc.115,036$45.0M0.03%−18,990−14.2%Reduced
Millennium Management LLC111,302$43.6M0.05%+86,281+344.8%Added
Deutsche Bank AG106,095$41.5M0.02%−23,132−17.9%Reduced
Bank of Montreal94,351$37.0M0.02%−10,714−10.2%Reduced
RMB Capital Management, LLC91,536$35.8M1.25%−3,670−3.9%Reduced
Ashford Capital Management Inc88,503$34.6M5.18%−16,243−15.5%Reduced
Rhumbline Advisers87,996$34.4M0.04%+2,597+3.0%Added
Kames Capital plc87,099$34.1M0.59%+28,021+47.4%Added
Principal Financial Group Inc85,560$33.5M0.02%+35,337+70.4%Added
Fiera Capital Corp85,118$33.3M0.10%−30,998−26.7%Reduced
Wells Fargo & Company83,183$32.5M0.01%−100−0.1%Reduced
Mitsubishi UFJ Trust & Banking Corp82,739$32.4M0.08%+793+1.0%Added
Burgundy Asset Management Ltd.81,633$31.9M0.39%−48,191−37.1%Reduced
Peregrine Capital Management LLC79,011$30.9M0.89%+1,028+1.3%Added
NFJ Investment Group, LLC72,901$28.5M0.76%−22,193−23.3%Reduced
Ensign Peak Advisors, Inc70,618$27.6M0.06%+5,956+9.2%Added
HSBC Holdings PLC69,843$27.3M0.04%+10,192+17.1%Added
Credit Suisse AG69,538$27.2M0.03%+1,821+2.7%Added
FIL Ltd69,379$27.1M0.03%+23,713+51.9%Added
UBS Group AG69,280$27.1M0.01%−15,995−18.8%Reduced
Ameriprise Financial Inc67,300$26.3M0.01%+49,939+287.7%Added
Citigroup Inc66,995$26.2M0.04%−6,464−8.8%Reduced
Voloridge Investment Management, LLC65,954$25.8M0.13%+62,616+1,875.9%Added
Wasatch Advisors Inc65,917$25.8M0.16%−10,092−13.3%Reduced
Federated Hermes, Inc.65,201$25.5M0.06%−4,541−6.5%Reduced
Renaissance Technologies LLC63,973$25.0M0.03%−3,100−4.6%Reduced
New York State Common Retirement Fund63,817$25.0M0.03%+4,696+7.9%Added
California State Teachers Retirement System62,368$24.4M0.04%−633−1.0%Reduced
Alliancebernstein L.P.61,434$24.0M0.01%−8,919−12.7%Reduced
Envestnet Asset Management Inc59,884$23.4M0.01%+10,135+20.4%Added
Bahl & Gaynor Inc59,588$23.3M0.13%−4,740−7.4%Reduced
D. E. Shaw & Co., Inc.59,497$23.3M0.04%−105,473−63.9%Reduced
Public Employees Retirement Association of Colorado54,214$21.2M0.11%+8,963+19.8%Added
HRT Financial LP52,427$20.5M0.25%+52,427New
AXA S.A.51,588$20.2M0.07%−6,834−11.7%Reduced
Nomura Asset Management Co Ltd51,346$20.1M0.11%−11,258−18.0%Reduced
Driehaus Capital Management LLC50,867$19.9M0.28%+50,867New
Barclays PLC50,737$19.9M0.02%−25,542−33.5%Reduced
Wellington Management Group LLP50,182$19.6M0.00%−2,026−3.9%Reduced
Aviva PLC45,313$17.7M0.08%+3,955+9.6%Added
State Board of Administration of Florida Retirement System43,195$16.9M0.04%−830−1.9%Reduced
Victory Capital Management Inc42,831$16.8M0.02%+24,516+133.9%Added
Russell Investments Group, Ltd.41,335$16.2M0.03%−14,901−26.5%Reduced
New York State Teachers Retirement System40,720$15.9M0.04%+168+0.4%Added
Intech Investment Management LLC40,669$15.9M0.13%−14,734−26.6%Reduced
Adams Diversified Equity Fund, Inc.39,781$15.6M0.70%00.0%Unchanged
2Xideas AG37,881$14.8M1.43%+662+1.8%Added