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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, Q2 2023

Institutional positions in Marketaxess Holdings Inc as of Jun 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
514
−25 vs. Q1 2023
Shares held
37.7M
+719.7K (+1.9%) vs. Q1 2023
Total value
$9.88B
−$4.59B (−31.7%) vs. Q1 2023
New holders
56
178 more added
Sold out
81
198 more reduced

1 institution that held it in Q1 2023 haven't filed for Q2 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2023: 514 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 heldQ2 2023: $9.88B
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, Q2 2023

Shares, value and share of portfolio for each institution holding Marketaxess Holdings Inc; share changes are against Q1 2023.

Institutions holding MKTX in Q2 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Vanguard Group Inc4,489,278$1.17B0.03%+3,375+0.1%Added
BlackRock Inc.3,909,069$1.02B0.03%−19,610−0.5%Reduced
Guardcap Asset Management Ltd1,986,791$519.4M6.98%+86,397+4.5%Added
State Street Corp1,676,099$438.2M0.02%+36,977+2.3%Added
Royal Bank of Canada1,672,670$437.3M0.12%−21,741−1.3%Reduced
T. Rowe Price Investment Management, Inc.1,398,056$365.5M0.25%−139,379−9.1%Reduced
Baillie Gifford & Co1,392,802$364.1M0.31%−37,479−2.6%Reduced
Primecap Management Co1,107,770$289.6M0.24%−1,460−0.1%Reduced
Ownership Capital B.V.1,018,120$266.2M4.66%−110,366−9.8%Reduced
Macquarie Group Ltd1,001,969$261.9M0.30%+30,210+3.1%Added
Geode Capital Management, LLC851,257$222.0M0.03%−8,847−1.0%Reduced
Kayne Anderson Rudnick Investment Management LLC717,245$187.5M0.53%−43,194−5.7%Reduced
American Century Companies Inc701,442$183.4M0.14%−57,647−7.6%Reduced
Allspring Global Investments Holdings, LLC588,491$153.8M0.25%−22,790−3.7%Reduced
Artisan Partners Limited Partnership517,857$135.4M0.22%+114,047+28.2%Added
Van Eck Associates Corp513,673$134.3M0.29%+483,282+1,590.2%Added
Invesco Ltd.425,438$111.2M0.03%+24,878+6.2%Added
Norges Bank422,693$110.5M0.02%+20,006+5.0%Added
Eagle Asset Management Inc381,810$99.8M0.56%−178,679−31.9%Reduced
Price T Rowe Associates Inc379,335$99.2M0.01%+5,295+1.4%Added
Northern Trust Corp366,850$95.9M0.02%−19,068−4.9%Reduced
Allianz Asset Management GmbH350,583$91.6M0.19%+47,955+15.8%Added
Bank of New York Mellon Corp348,939$91.2M0.02%+48,529+16.2%Added
Charles Schwab Investment Management Inc335,072$87.6M0.03%+642+0.2%Added
UBS Asset Management Americas Inc214,594$84.0M0.04%00.0%Unchanged
Neuberger Berman Group LLC286,711$75.0M0.07%−65,251−18.5%Reduced
Morgan Stanley284,637$74.4M0.01%+9,482+3.4%Added
Millennium Management LLC281,905$73.7M0.08%+170,603+153.3%Added
Legal & General Group Plc249,846$65.3M0.02%+14,044+6.0%Added
APG Asset Management N.V.269,360$64.5M0.13%−8,089−2.9%Reduced
Alliancebernstein L.P.229,697$60.0M0.02%+168,263+273.9%Added
Goldman Sachs Group Inc212,220$55.5M0.01%+35,924+20.4%Added
Tandem Investment Advisors, Inc.201,281$52.6M2.31%+45,415+29.1%Added
Stephens Investment Management Group LLC198,358$51.9M0.81%+3,913+2.0%Added
JPMorgan Chase & Co198,137$51.8M0.01%+24,179+13.9%Added
Dimensional Fund Advisors LP193,050$50.5M0.02%+5,194+2.8%Added
Qube Research & Technologies Ltd181,829$47.5M0.18%+181,829New
Bridgewater Associates, LP181,657$47.5M0.29%+34,358+23.3%Added
Bamco Inc178,049$46.5M0.13%−12,512−6.6%Reduced
Jackson Square Partners, LLC171,831$44.9M1.31%−15,565−8.3%Reduced
Baird Financial Group, Inc.155,640$40.7M0.11%+20,941+15.5%Added
Raymond James & Associates154,593$40.4M0.03%−960−0.6%Reduced
Westfield Capital Management Co LP153,852$40.2M0.26%+13,998+10.0%Added
Citadel Advisors LLC146,661$38.3M0.04%+110,488+305.4%Added
GW&K Investment Management, LLC142,437$37.2M0.35%−1,485−1.0%Reduced
Van Berkom & Associates Inc.140,587$36.8M1.33%−1,879−1.3%Reduced
Caisse de Depot Et Placement du Quebec138,279$36.1M0.10%+17,724+14.7%Added
Voloridge Investment Management, LLC137,988$36.1M0.17%+72,034+109.2%Added
Wells Fargo & Company136,390$35.7M0.01%+53,207+64.0%Added
SEI Investments Co132,280$34.6M0.06%−8,165−5.8%Reduced
Nuveen Asset Management, LLC128,223$33.5M0.01%−29,408−18.7%Reduced
Deutsche Bank AG128,037$33.5M0.02%+21,942+20.7%Added
Bank of America Corp126,543$33.1M0.00%+8,455+7.2%Added
Jupiter Asset Management Ltd118,405$31.0M0.34%+118,405New
Source Financial Advisors LLC115,032$30.1M9.87%−170.0%Reduced
Los Angeles Capital Management LLC114,325$29.9M0.12%−48,227−29.7%Reduced
FMR LLC112,346$29.4M0.00%−6,548−5.5%Reduced
D. E. Shaw & Co., Inc.111,533$29.2M0.05%+52,036+87.5%Added
Amundi110,900$29.1M0.01%−23,815−17.7%Reduced
TD Asset Management Inc110,564$28.9M0.03%−15,990−12.6%Reduced
Sumitomo Mitsui Trust Holdings, Inc.101,361$26.5M0.02%−13,675−11.9%Reduced
NFJ Investment Group, LLC98,976$25.9M0.69%+26,075+35.8%Added
Bank of Montreal90,038$25.2M0.02%−4,313−4.6%Reduced
RMB Capital Management, LLC93,873$24.5M0.81%+2,337+2.6%Added
Fiera Capital Corp92,061$24.1M0.07%+6,943+8.2%Added
Barclays PLC90,046$23.5M0.02%+39,309+77.5%Added
Twinbeech Capital LP89,994$23.5M0.46%+89,994New
Ashford Capital Management Inc88,842$23.2M3.25%+339+0.4%Added
Rhumbline Advisers88,823$23.2M0.03%+827+0.9%Added
Kames Capital plc87,099$22.8M0.37%00.0%Unchanged
UBS Group AG86,682$22.7M0.01%+17,402+25.1%Added
Burgundy Asset Management Ltd.86,421$22.6M0.27%+4,788+5.9%Added
Teacher Retirement System of Texas81,941$21.4M0.14%+44,139+116.8%Added
Citigroup Inc80,884$21.1M0.03%+13,889+20.7%Added
Mitsubishi UFJ Trust & Banking Corp78,147$20.4M0.05%−4,592−5.5%Reduced
Peregrine Capital Management LLC78,146$20.4M0.56%−865−1.1%Reduced
HSBC Holdings PLC72,265$18.9M0.02%+2,422+3.5%Added
California Public Employees Retirement System70,286$18.4M0.02%−175,369−71.4%Reduced
Squarepoint Ops LLC68,026$17.8M0.10%+68,026New
New York State Common Retirement Fund67,176$17.6M0.02%+3,359+5.3%Added
Lord, Abbett & Co. LLC64,989$17.0M0.06%−240,452−78.7%Reduced
Credit Suisse AG64,822$16.9M0.02%−4,716−6.8%Reduced
Federated Hermes, Inc.64,251$16.8M0.04%−950−1.5%Reduced
Envestnet Asset Management Inc63,595$16.6M0.01%+3,711+6.2%Added
California State Teachers Retirement System61,038$16.0M0.02%−1,330−2.1%Reduced
Renaissance Technologies LLC60,810$15.9M0.02%−3,163−4.9%Reduced
Cubist Systematic Strategies, LLC60,507$15.8M0.18%+52,125+621.9%Added
Bahl & Gaynor Inc57,977$15.2M0.09%−1,611−2.7%Reduced
FIL Ltd56,159$14.7M0.02%−13,220−19.1%Reduced
Wasatch Advisors Inc55,831$14.6M0.09%−10,086−15.3%Reduced
Public Employees Retirement Association of Colorado54,214$14.2M0.07%00.0%Unchanged
Principal Financial Group Inc50,863$13.3M0.01%−34,697−40.6%Reduced
Nomura Asset Management Co Ltd49,466$12.9M0.06%−1,880−3.7%Reduced
State Board of Administration of Florida Retirement System49,218$12.9M0.03%+6,023+13.9%Added
Jane Street Group, LLC47,297$12.4M0.02%+14,862+45.8%Added
Two Sigma Investments, LP43,460$11.4M0.03%+43,460New
New York State Teachers Retirement System40,436$10.6M0.02%−284−0.7%Reduced
State of Wisconsin Investment Board39,336$10.3M0.03%+3,199+8.9%Added
Franklin Resources Inc38,903$10.2M0.00%+6,274+19.2%Added
Voya Investment Management LLC38,151$9.97M0.01%+14,632+62.2%Added