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, Q3 2024

Institutional positions in Marketaxess Holdings Inc as of Sep 30, 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
511
+47 vs. Q2 2024
Shares held
36.6M
+2.21M (+6.4%) vs. Q2 2024
Total value
$9.42B
+$2.54B (+36.8%) vs. Q2 2024
New holders
89
156 more added
Sold out
42
197 more reduced

4 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2024: 511 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 heldQ3 2024: $9.42B
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, Q3 2024

Shares, value and share of portfolio for each institution holding Marketaxess Holdings Inc; share changes are against Q2 2024.

Institutions holding MKTX in Q3 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Vanguard Group Inc4,344,141$1.11B0.02%−186,682−4.1%Reduced
BlackRock, Inc.2,903,901$744.0M0.02%+2,903,901New
T. Rowe Price Investment Management, Inc.2,062,291$528.4M0.32%−6,056−0.3%Reduced
Guardcap Asset Management Ltd2,001,823$512.9M6.98%−144,958−6.8%Reduced
Van Eck Associates Corp1,764,239$509.7M0.64%−63,816−3.5%Reduced
FMR LLC1,959,043$501.9M0.03%+291,134+17.5%Added
State Street Corp1,579,903$404.8M0.02%−63,709−3.9%Reduced
Primecap Management Co1,338,922$343.0M0.25%+8,042+0.6%Added
Geode Capital Management, LLC1,076,877$275.1M0.02%+139,949+14.9%Added
Invesco Ltd.929,174$238.1M0.05%−70,759−7.1%Reduced
Macquarie Group Ltd928,586$237.9M0.26%−47,658−4.9%Reduced
Findlay Park Partners LLP631,111$161.7M1.52%+631,111New
JPMorgan Chase & Co614,813$157.5M0.01%−45,346−6.9%Reduced
Wasatch Advisors Inc554,511$142.1M0.70%−187,243−25.2%Reduced
Norges Bank511,279$131.0M0.02%+11,159+2.2%Added
Marshall Wace, LLP484,763$124.2M0.16%−335,297−40.9%Reduced
Bank of New York Mellon Corp429,643$110.1M0.02%−14,071−3.2%Reduced
Burgundy Asset Management Ltd.405,185$103.8M1.03%+12,112+3.1%Added
Stephens Investment Management Group LLC393,877$100.9M1.38%+116,607+42.1%Added
Dimensional Fund Advisors LP372,104$95.3M0.02%+49,040+15.2%Added
Charles Schwab Investment Management Inc358,071$91.7M0.02%−19,926−5.3%Reduced
Baillie Gifford & Co318,598$81.6M0.06%−25,403−7.4%Reduced
Northern Trust Corp307,792$78.9M0.01%−48,846−13.7%Reduced
Ownership Capital B.V.277,350$71.1M2.27%−152,390−35.5%Reduced
Morgan Stanley262,213$67.2M0.00%+35,466+15.6%Added
Artisan Partners Limited Partnership260,299$66.7M0.10%+89,750+52.6%Added
UBS Asset Management Americas Inc251,195$64.4M0.02%−31,127−11.0%Reduced
Two Sigma Investments, LP236,923$60.7M0.14%+33,577+16.5%Added
Baird Financial Group, Inc.231,385$59.3M0.12%+16,745+7.8%Added
Deutsche Bank AG221,296$56.7M0.02%+53,762+32.1%Added
Raymond James & Associates220,146$56.4M0.03%+17,945+8.9%Added
Citadel Advisors LLC219,125$56.1M0.06%+28,272+14.8%Added
Van Berkom & Associates Inc.198,320$50.8M1.39%+34,188+20.8%Added
Envestnet Asset Management Inc194,156$49.7M0.02%+7,365+3.9%Added
Millennium Management LLC191,277$49.0M0.04%−147,984−43.6%Reduced
Two Sigma Advisers, LP188,400$48.3M0.11%+79,300+72.7%Added
Renaissance Technologies LLC187,610$48.1M0.07%+22,974+14.0%Added
Bank of America Corp176,592$45.2M0.00%+3,716+2.1%Added
TD Asset Management Inc176,486$45.0M0.04%−836−0.5%Reduced
Castle Hook Partners LP167,710$43.0M1.29%+167,710New
North Reef Capital Management LP160,000$41.0M1.91%−50,000−23.8%Reduced
Teacher Retirement System of Texas150,499$38.6M0.18%−482−0.3%Reduced
HSBC Holdings PLC150,074$38.4M0.02%+8,802+6.2%Added
Goldman Sachs Group Inc145,568$37.3M0.01%−58,835−28.8%Reduced
Kodai Capital Management LP144,642$37.1M0.77%+6,362+4.6%Added
GW&K Investment Management, LLC141,913$36.4M0.31%+6,987+5.2%Added
Jackson Square Partners, LLC141,177$36.2M3.12%−75,989−35.0%Reduced
Barclays PLC140,760$36.1M0.02%+19,962+16.5%Added
Owls Nest Partners IA, LLC139,780$35.8M9.14%+999+0.7%Added
NFJ Investment Group, LLC132,985$34.1M1.00%−3,048−2.2%Reduced
Amundi121,249$33.5M0.01%+17,187+16.5%Added
Ameriprise Financial Inc127,541$32.7M0.01%−16,638−11.5%Reduced
UBS Group AG122,076$31.3M0.01%+15,258+14.3%Added
Point72 Asset Management, L.P.117,992$30.2M0.11%+117,992New
Source Financial Advisors LLC115,513$29.6M8.74%+154+0.1%Added
Legal & General Group Plc114,178$29.3M0.01%−78,014−40.6%Reduced
SEI Investments Co109,268$28.0M0.04%−2,589−2.3%Reduced
Nuveen Asset Management, LLC96,118$24.6M0.01%−722−0.7%Reduced
Man Group plc93,135$23.9M0.07%−100,630−51.9%Reduced
Schroder Investment Management Group91,079$23.2M0.02%+43,891+93.0%Added
New York State Common Retirement Fund82,894$21.2M0.03%+20,334+32.5%Added
Rhumbline Advisers76,512$19.6M0.02%−1,545−2.0%Reduced
Sumitomo Mitsui Trust Holdings, Inc.75,109$19.2M0.01%−9,221−10.9%Reduced
HRT Financial LP70,877$18.2M0.09%+68,928+3,536.6%Added
D. E. Shaw & Co., Inc.69,090$17.7M0.02%+50,607+273.8%Added
BNP Paribas Arbitrage, SA68,364$17.5M0.02%+21,936+47.2%Added
California State Teachers Retirement System64,152$16.4M0.02%+484+0.8%Added
Price T Rowe Associates Inc63,862$16.4M0.00%−35,541−35.8%Reduced
Ashford Capital Management Inc60,290$15.4M1.93%−6,603−9.9%Reduced
Wells Fargo & Company59,737$15.3M0.00%+19,827+49.7%Added
Bank of Montreal59,645$15.2M0.01%−1,474−2.4%Reduced
Hudson Bay Capital Management LP58,515$15.0M0.10%+58,515New
RMB Capital Management, LLC56,981$14.6M0.33%−13,834−19.5%Reduced
Mitsubishi UFJ Trust & Banking Corp56,023$14.4M0.03%+2,810+5.3%Added
Principal Financial Group Inc55,679$14.3M0.01%+10,361+22.9%Added
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.55,053$14.1M0.02%+8,448+18.1%Added
California Public Employees Retirement System54,441$13.9M0.01%+843+1.6%Added
National Bank of Canada53,400$13.7M0.02%+43,153+421.1%Added
Azora Capital LP53,150$13.6M0.73%+12,935+32.2%Added
Public Employees Retirement Association of Colorado52,986$13.6M0.05%−132−0.2%Reduced
Citigroup Inc50,909$13.0M0.01%−8,278−14.0%Reduced
Westwood Holdings Group Inc.50,652$13.0M0.05%+50,652New
Wilson Asset Management (International) Pty Ltd47,795$12.2M2.97%+19,676+70.0%Added
Kornitzer Capital Management Inc45,312$11.6M0.21%+338+0.8%Added
Bahl & Gaynor Inc42,687$10.9M0.06%−1,551−3.5%Reduced
Verition Fund Management LLC40,863$10.5M0.07%−33,105−44.8%Reduced
Alliancebernstein L.P.39,313$10.1M0.00%−701−1.8%Reduced
Tandem Investment Advisors, Inc.38,942$9.98M0.38%−181,924−82.4%Reduced
Driehaus Capital Management LLC38,854$9.95M0.09%+38,854New
2Xideas AG38,269$9.80M1.32%−13,317−25.8%Reduced
Bridgewater Associates, LP38,037$9.75M0.06%−25,135−39.8%Reduced
ICICI Prudential Asset Management Co Ltd37,889$9.71M1.03%−5,400−12.5%Reduced
Kingsview Wealth Management, LLC37,265$9.55M0.20%−546−1.4%Reduced
Alps Advisors Inc37,083$9.50M0.06%−11,931−24.3%Reduced
Norris Perne & French LLP37,054$9.49M0.65%+788+2.2%Added
State Board of Administration of Florida Retirement System37,020$9.48M0.02%00.0%Unchanged
Gillson Capital LP35,699$9.15M0.83%+35,699New
Adage Capital Partners GP, L.L.C.35,550$9.11M0.02%−800−2.2%Reduced
Trexquant Investment LP34,693$8.89M0.11%+5,457+18.7%Added
Canada Pension Plan Investment Board34,689$8.89M0.01%+17,100+97.2%Added