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, Q4 2024

Institutional positions in Marketaxess Holdings Inc as of Dec 31, 2024. 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
519
+15 vs. Q3 2024
Shares held
37.7M
+1.49M (+4.1%) vs. Q3 2024
Total value
$8.51B
−$810.2M (−8.7%) vs. Q3 2024
New holders
89
204 more added
Sold out
74
162 more reduced

7 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2024: 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 holdersQ4 2024: 519 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 heldQ4 2024: $8.51B
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, Q4 2024

Shares, value and share of portfolio for each institution holding Marketaxess Holdings Inc; share changes are against Q3 2024.

Institutions holding MKTX in Q4 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Vanguard Group Inc4,434,946$1.00B0.02%+90,805+2.1%Added
BlackRock, Inc.3,163,885$715.2M0.01%+259,984+9.0%Added
FMR LLC2,300,536$520.0M0.03%+341,493+17.4%Added
T. Rowe Price Investment Management, Inc.2,298,409$519.5M0.32%+236,118+11.4%Added
Van Eck Associates Corp2,000,736$452.2M0.58%+236,497+13.4%Added
Guardcap Asset Management Ltd1,763,208$398.6M6.44%−238,615−11.9%Reduced
State Street Corp1,629,511$368.3M0.01%+49,608+3.1%Added
Primecap Management Co1,369,102$309.5M0.24%+30,180+2.3%Added
Geode Capital Management, LLC1,113,308$251.1M0.02%+36,431+3.4%Added
Invesco Ltd.1,044,360$236.1M0.04%+115,186+12.4%Added
Macquarie Group Ltd720,292$162.5M0.20%−208,294−22.4%Reduced
Findlay Park Partners LLP670,900$151.7M1.51%+39,789+6.3%Added
JPMorgan Chase & Co630,526$142.5M0.01%+15,713+2.6%Added
Wasatch Advisors Inc538,721$121.8M0.60%−15,790−2.8%Reduced
Norges Bank526,874$119.1M0.02%+15,595+3.1%Added
Marshall Wace, LLP481,431$108.8M0.14%−3,332−0.7%Reduced
Bank of New York Mellon Corp440,934$99.7M0.02%+11,291+2.6%Added
Dimensional Fund Advisors LP397,867$89.9M0.02%+25,763+6.9%Added
Northern Trust Corp370,853$83.8M0.01%+63,061+20.5%Added
Charles Schwab Investment Management Inc363,224$82.1M0.02%+5,153+1.4%Added
Morgan Stanley335,769$75.9M0.01%+73,556+28.1%Added
Congress Asset Management Co314,561$71.1M0.48%+314,561New
Baillie Gifford & Co303,200$68.5M0.05%−15,398−4.8%Reduced
UBS Asset Management Americas Inc294,650$66.6M0.02%+43,455+17.3%Added
Two Sigma Investments, LP288,319$65.2M0.15%+51,396+21.7%Added
North Reef Capital Management LP271,318$61.3M2.75%+111,318+69.6%Added
Deutsche Bank AG264,872$59.9M0.02%+43,576+19.7%Added
Artisan Partners Limited Partnership246,297$55.7M0.09%−14,002−5.4%Reduced
Burgundy Asset Management Ltd.244,271$55.2M0.56%−160,914−39.7%Reduced
Two Sigma Advisers, LP233,100$52.7M0.12%+44,700+23.7%Added
HSBC Holdings PLC232,934$52.6M0.03%+82,860+55.2%Added
Renaissance Technologies LLC227,880$51.5M0.08%+40,270+21.5%Added
Baird Financial Group, Inc.212,935$48.1M0.09%−18,450−8.0%Reduced
Balyasny Asset Management LLC212,163$48.0M0.11%+206,895+3,927.4%Added
Envestnet Asset Management Inc203,930$46.1M0.01%+9,774+5.0%Added
Raymond James Financial Inc203,854$46.1M0.02%+203,854New
Amundi205,110$45.0M0.02%+83,861+69.2%Added
UBS Group AG195,779$44.3M0.01%+73,703+60.4%Added
TD Asset Management Inc185,149$41.9M0.04%+8,663+4.9%Added
Goldman Sachs Group Inc184,041$41.6M0.01%+38,473+26.4%Added
Ameriprise Financial Inc161,490$36.5M0.01%+33,949+26.6%Added
Millennium Management LLC144,146$32.6M0.03%−47,131−24.6%Reduced
GW&K Investment Management, LLC142,643$32.2M0.27%+730+0.5%Added
Bank of America Corp137,318$31.0M0.00%−39,274−22.2%Reduced
Kodai Capital Management LP137,091$31.0M1.27%−7,551−5.2%Reduced
Stephens Investment Management Group LLC128,937$29.1M0.39%−264,940−67.3%Reduced
Barclays PLC128,751$29.1M0.01%−12,009−8.5%Reduced
Nuveen Asset Management, LLC126,624$28.6M0.01%+30,506+31.7%Added
NFJ Investment Group, LLC121,544$27.5M0.88%−11,441−8.6%Reduced
Savant Capital, LLC119,797$27.1M0.21%+118,367+8,277.4%Added
Jackson Square Partners, LLC117,411$26.5M2.86%−23,766−16.8%Reduced
Legal & General Group Plc117,280$26.5M0.01%+3,102+2.7%Added
SEI Investments Co104,786$23.7M0.03%−4,482−4.1%Reduced
Walleye Capital LLC102,427$23.2M0.22%+98,840+2,755.5%Added
BNP Paribas Arbitrage, SA101,442$22.9M0.02%+33,078+48.4%Added
Citadel Advisors LLC100,588$22.7M0.02%−118,537−54.1%Reduced
AQR Capital Management LLC94,205$21.3M0.03%+79,178+526.9%Added
Schroder Investment Management Group92,136$20.8M0.02%+1,057+1.2%Added
Arrowstreet Capital, Limited Partnership83,668$18.9M0.02%+69,021+471.2%Added
Robeco Institutional Asset Management B.V.83,060$18.8M0.04%+48,684+141.6%Added
Sumitomo Mitsui Trust Holdings, Inc.76,223$17.2M0.01%+1,114+1.5%Added
New York State Common Retirement Fund75,979$17.2M0.02%−6,915−8.3%Reduced
Rhumbline Advisers75,900$17.2M0.02%−612−0.8%Reduced
Mitsubishi UFJ Trust & Banking Corp66,569$15.0M0.04%+10,546+18.8%Added
Public Employees Retirement Association of Colorado63,186$14.3M0.06%+10,200+19.3%Added
Price T Rowe Associates Inc63,035$14.2M0.00%−827−1.3%Reduced
Jefferies Financial Group Inc.62,933$14.2M0.16%+58,800+1,422.7%Added
California Public Employees Retirement System62,605$14.2M0.01%+8,164+15.0%Added
Man Group plc61,418$13.9M0.04%−31,717−34.1%Reduced
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.59,653$13.5M0.01%+4,600+8.4%Added
California State Teachers Retirement System58,011$13.1M0.02%−6,141−9.6%Reduced
Nordea Investment Management AB57,876$13.0M0.01%+47,568+461.5%Added
Qube Research & Technologies Ltd54,641$12.4M0.02%+54,641New
Los Angeles Capital Management LLC53,974$12.2M0.05%+53,974New
Royal Bank of Canada53,007$12.0M0.00%+20,566+63.4%Added
Westwood Holdings Group Inc.50,641$11.4M0.09%−110.0%Reduced
Canada Pension Plan Investment Board49,689$11.2M0.01%+15,000+43.2%Added
2Xideas AG48,974$11.1M1.48%+10,705+28.0%Added
Assenagon Asset Management S.A.48,378$10.9M0.02%+19,062+65.0%Added
Citigroup Inc48,055$10.9M0.01%−2,854−5.6%Reduced
Bank of Montreal48,017$10.9M0.01%−11,628−19.5%Reduced
Wilson Asset Management (International) Pty Ltd47,795$10.8M2.80%00.0%Unchanged
Principal Financial Group Inc46,702$10.6M0.01%−8,977−16.1%Reduced
Kornitzer Capital Management Inc45,418$10.3M0.20%+106+0.2%Added
Azora Capital LP43,756$9.89M0.44%−9,394−17.7%Reduced
Janus Henderson Group PLC43,710$9.88M0.01%+40,501+1,262.1%Added
Alps Advisors Inc43,682$9.87M0.06%+6,599+17.8%Added
Ashford Capital Management Inc42,765$9.67M1.14%−17,525−29.1%Reduced
Sone Capital Management, LLC42,673$9.65M1.22%+42,673New
Bahl & Gaynor Inc42,085$9.51M0.05%−602−1.4%Reduced
Alliancebernstein L.P.38,697$8.75M0.00%−616−1.6%Reduced
ICICI Prudential Asset Management Co Ltd37,889$8.56M0.94%00.0%Unchanged
State Board of Administration of Florida Retirement System36,990$8.36M0.02%−30−0.1%Reduced
Kingsview Wealth Management, LLC36,970$8.36M0.16%−295−0.8%Reduced
Norris Perne & French LLP35,930$8.12M0.59%−1,124−3.0%Reduced
New York State Teachers Retirement System33,597$7.59M0.02%−77−0.2%Reduced
Prana Capital Management, LP33,522$7.58M0.36%+28,821+613.1%Added
Prudential Financial Inc29,439$7.47M0.01%−3,461−10.5%Reduced
Campbell & CO Investment Adviser LLC31,007$7.01M0.54%+31,007New
Franklin Resources Inc30,753$6.95M0.00%+22,538+274.4%Added