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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 2021

Institutional positions in Marketaxess Holdings Inc as of Jun 30, 2021. 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
551
−34 vs. Q1 2021
Shares held
36.2M
+1.35M (+3.9%) vs. Q1 2021
Total value
$16.8B
−$588.4M (−3.4%) vs. Q1 2021
New holders
49
194 more added
Sold out
83
223 more reduced

4 institutions that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2021: 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 2021: 551 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 2021: $16.8B
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 2021

Shares, value and share of portfolio for each institution holding Marketaxess Holdings Inc; share changes are against Q1 2021.

Institutions holding MKTX in Q2 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Vanguard Group Inc4,097,458$1.90B0.05%−30,567−0.7%Reduced
Price T Rowe Associates Inc3,588,728$1.66B0.15%+1,413,190+65.0%Added
BlackRock Inc.3,544,901$1.64B0.05%+78,312+2.3%Added
State Street Corp1,786,589$828.2M0.04%+22,147+1.3%Added
Baillie Gifford & Co1,774,631$822.7M0.40%+28,750+1.6%Added
Ownership Capital B.V.1,307,678$606.2M7.05%+127,480+10.8%Added
Wells Fargo & Company1,300,630$603.0M0.14%+128,893+11.0%Added
JPMorgan Chase & Co1,024,978$475.2M0.06%−60,141−5.5%Reduced
Royal Bank of Canada1,024,315$474.9M0.13%+54,832+5.7%Added
Wellington Management Group LLP782,908$362.9M0.06%+152,598+24.2%Added
Geode Capital Management, LLC769,973$356.1M0.05%+6,617+0.9%Added
Kayne Anderson Rudnick Investment Management LLC696,842$323.1M0.80%−40,782−5.5%Reduced
Macquarie Group Ltd606,179$281.0M0.23%+601,690+13,403.7%Added
Guardcap Asset Management Ltd517,183$239.8M3.46%+85,669+19.9%Added
Invesco Ltd.476,671$221.0M0.05%−135,546−22.1%Reduced
Neuberger Berman Group LLC447,005$206.5M0.18%−13,527−2.9%Reduced
Franklin Resources Inc442,582$205.2M0.08%−42,425−8.7%Reduced
Primecap Management Co426,060$197.5M0.13%+52,840+14.2%Added
Northern Trust Corp401,893$186.3M0.03%−21,437−5.1%Reduced
Bank of New York Mellon Corp377,478$175.0M0.03%+2,868+0.8%Added
Alliancebernstein L.P.363,058$168.3M0.07%+20,589+6.0%Added
Norges Bank344,744$159.8M0.03%+322+0.1%Added
Bamco Inc309,210$143.3M0.33%+1260.0%Added
Renaissance Technologies LLC304,143$141.0M0.18%−148,910−32.9%Reduced
California Public Employees Retirement System281,353$130.4M0.10%−3,458−1.2%Reduced
Legal & General Group Plc275,781$127.8M0.04%−31,976−10.4%Reduced
APG Asset Management N.V.324,752$127.0M0.22%+47,986+17.3%Added
Eagle Asset Management Inc265,584$123.1M0.53%−1,942−0.7%Reduced
Nuveen Asset Management, LLC252,086$116.9M0.03%+23,016+10.0%Added
Bank Julius Baer & Co. Ltd, Zurich234,172$108.6M0.69%+14,895+6.8%Added
UBS Asset Management Americas Inc193,379$89.6M0.04%−13,307−6.4%Reduced
Charles Schwab Investment Management Inc186,462$86.4M0.03%+5,078+2.8%Added
Van Berkom & Associates Inc.186,388$86.4M2.37%−63,095−25.3%Reduced
Dimensional Fund Advisors LP180,453$83.7M0.03%+526+0.3%Added
Voya Investment Management LLC166,809$77.3M0.15%−6,115−3.5%Reduced
Stephens Investment Management Group LLC164,151$76.1M1.04%−2,110−1.3%Reduced
Manufacturers Life Insurance Company, The160,819$74.6M0.06%+14,521+9.9%Added
Ardevora Asset Management LLP157,305$72.9M0.92%+60,503+62.5%Added
FMR LLC154,541$71.6M0.01%−207,279−57.3%Reduced
Kames Capital plc150,934$70.0M0.99%−11,643−7.2%Reduced
American Century Companies Inc150,229$69.6M0.05%−297,721−66.5%Reduced
Morgan Stanley147,851$68.5M0.01%+39,604+36.6%Added
Keybank National Association146,543$67.9M0.30%+840+0.6%Added
Deutsche Bank AG136,876$63.5M0.03%+7,622+5.9%Added
Source Financial Advisors LLC130,204$60.4M15.54%−50.0%Reduced
Bank of America Corp126,772$58.8M0.01%−4,009−3.1%Reduced
Marathon Asset Management LLP123,785$57.4M0.69%+54,504+78.7%Added
Sumitomo Mitsui Trust Holdings, Inc.122,306$56.7M0.03%−49,228−28.7%Reduced
TD Asset Management Inc114,186$54.3M0.06%+61,191+115.5%Added
Goldman Sachs Group Inc103,213$47.8M0.01%−35,612−25.7%Reduced
Bahl & Gaynor Inc101,557$47.1M0.29%−1,819−1.8%Reduced
Mitsubishi UFJ Trust & Banking Corp95,346$44.2M0.09%−1,547−1.6%Reduced
Bank of Montreal84,667$40.1M0.02%+22,796+36.8%Added
Millennium Management LLC85,326$39.6M0.05%+19,559+29.7%Added
Barclays PLC83,076$38.5M0.03%−14,260−14.7%Reduced
Peregrine Capital Management LLC82,668$38.3M0.69%+3,863+4.9%Added
Parametric Portfolio Associates LLC82,541$38.3M0.02%−17,548−17.5%Reduced
UBS Group AG77,896$36.1M0.02%+8,671+12.5%Added
Credit Suisse AG76,872$35.6M0.03%−592−0.8%Reduced
NFJ Investment Group, LLC76,311$35.4M0.67%+48,687+176.2%Added
Lord, Abbett & Co. LLC75,279$34.9M0.08%+47+0.1%Added
RMB Capital Management, LLC70,979$32.9M1.10%+1,633+2.4%Added
Rhumbline Advisers70,908$32.9M0.04%−3,835−5.1%Reduced
AMP Capital Investors Ltd69,434$32.2M0.15%+1,850+2.7%Added
Ensign Peak Advisors, Inc69,193$32.1M0.06%+9,696+16.3%Added
Burgundy Asset Management Ltd.68,580$31.8M0.31%−735−1.1%Reduced
Amundi67,260$31.2M0.02%+67,260New
California State Teachers Retirement System67,261$31.2M0.04%−4,642−6.5%Reduced
National Pension Service63,604$29.5M0.06%+685+1.1%Added
Standard Life Aberdeen plc56,253$26.1M0.06%−2,339−4.0%Reduced
Envestnet Asset Management Inc56,048$26.0M0.01%−2,790−4.7%Reduced
Arrowstreet Capital, Limited Partnership55,977$25.9M0.03%−50,624−47.5%Reduced
New York State Common Retirement Fund55,693$25.8M0.03%−9,357−14.4%Reduced
Citigroup Inc54,968$25.5M0.02%−8,028−12.7%Reduced
HSBC Holdings PLC53,032$24.8M0.03%+12,292+30.2%Added
State Board of Administration of Florida Retirement System52,202$24.2M0.05%−1,781−3.3%Reduced
Principal Financial Group Inc52,135$24.2M0.02%+794+1.5%Added
Nan Shan Life Insurance Co., Ltd.51,800$24.0M0.41%00.0%Unchanged
Public Employees Retirement Association of Colorado51,187$23.7M0.10%00.0%Unchanged
Ashford Capital Management Inc50,450$23.4M2.11%−75−0.1%Reduced
Islet Management, LP50,000$23.2M1.22%+50,000New
Parnassus Investments49,470$22.9M0.05%+9,731+24.5%Added
Martingale Asset Management L P46,923$21.8M0.25%+25,492+118.9%Added
Raymond James & Associates43,860$20.3M0.02%+23+0.1%Added
New York State Teachers Retirement System42,077$19.5M0.04%−2,401−5.4%Reduced
Los Angeles Capital Management LLC41,774$19.4M0.09%+29,600+243.1%Added
Great West Life Assurance Co40,585$18.8M0.04%−13,484−24.9%Reduced
Adage Capital Partners GP, L.L.C.40,350$18.7M0.04%−1,000−2.4%Reduced
Marshall Wace North America L.P.40,264$18.7M0.08%+31,914+382.2%Added
Weitz Investment Management, Inc.SuperinvestorWeitz Investment Management37,800$17.5M0.74%+37,800New
Forte Capital LLC37,245$17.3M2.35%−2,764−6.9%Reduced
Copeland Capital Management, LLC35,830$16.6M0.50%−757−2.1%Reduced
Cubist Systematic Strategies, LLC35,588$16.5M0.19%+22,197+165.8%Added
Citadel Advisors LLC35,172$16.3M0.02%−12,313−25.9%Reduced
Reynders McVeigh Capital Management, LLC34,634$16.1M0.98%−68−0.2%Reduced
Caisse de Depot Et Placement du Quebec33,692$15.6M0.03%+33,692New
Prudential Financial Inc33,023$15.3M0.02%−2,394−6.8%Reduced
North Point Portfolio Managers Corp32,186$14.9M2.06%+129+0.4%Added
Man Group plc31,878$14.8M0.05%+12,603+65.4%Added
Hyperion Asset Management Ltd30,655$14.2M0.80%+1,583+5.4%Added