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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 2024

Institutional positions in Marketaxess Holdings Inc as of Jun 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
468
+11 vs. Q1 2024
Shares held
37.3M
+257.6K (+0.7%) vs. Q1 2024
Total value
$7.48B
−$645.5M (−7.9%) vs. Q1 2024
New holders
63
169 more added
Sold out
52
171 more reduced

6 institutions that held it in Q1 2024 haven't filed for Q2 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2024: 468 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 2024: $7.48B
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 2024

Shares, value and share of portfolio for each institution holding Marketaxess Holdings Inc; share changes are against Q1 2024.

Institutions holding MKTX in Q2 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Engineers Gate Manager LP2,900$581.5K0.01%−6,240−68.3%Reduced
Mizuho Securities USA LLC2,917$584.9K0.01%+2,917New
Maryland State Retirement & Pension System2,937$589.0K0.01%00.0%Unchanged
Allianz Asset Management GmbH2,941$589.8K0.00%−534,081−99.5%Reduced
Independent Financial Group, LLC2,947$591.0K0.02%+2,947New
Fifth Third Bancorp2,956$592.8K0.00%−371−11.2%Reduced
Teachers Retirement System of the State of Kentucky3,008$603.0K0.01%−174−5.5%Reduced
Ostrum Asset Management3,016$604.8K0.05%−236−7.3%Reduced
SG Americas Securities, LLC3,025$607.0K0.00%−3,718−55.1%Reduced
Neuberger Berman Group LLC3,082$618.0K0.00%−175,089−98.3%Reduced
Gulf International Bank (UK) Ltd3,124$626.0K0.02%00.0%Unchanged
FJ Capital Management LLC3,122$626.1K0.07%+3,122New
Islay Capital Management, LLC3,196$640.9K0.46%+284+9.8%Added
Intech Investment Management LLC3,221$645.9K0.01%−946−22.7%Reduced
JustInvest LLC3,256$652.9K0.01%+382+13.3%Added
Oregon Public Employees Retirement Fund3,264$654.5K0.01%00.0%Unchanged
Squarepoint Ops LLC3,274$656.5K0.00%+2,246+218.5%Added
Pacer Advisors, Inc.3,317$665.2K0.00%+336+11.3%Added
Campbell Newman Asset Management Inc3,387$679.2K0.05%−10.0%Reduced
LPL Financial LLC3,389$679.5K0.00%+2,097+162.3%Added
Sumitomo Mitsui DS Asset Management Company, Ltd3,417$685.2K0.01%+10+0.3%Added
Forte Capital LLC3,423$686.4K0.08%−315−8.4%Reduced
Walleye Trading LLC3,429$687.6K0.01%+3,429New
Brinker Capital Investments, LLC3,461$694.0K0.01%−247−6.7%Reduced
Orion Portfolio Solutions, LLC3,461$694.0K0.01%−247−6.7%Reduced
Janus Henderson Group PLC3,523$706.9K0.00%−10,617−75.1%Reduced
Cetera Investment Advisers3,533$708.4K0.00%+3,533New
Formidable Asset Management, LLC3,575$716.9K0.12%+381+11.9%Added
Aigen Investment Management, LP3,678$737.5K0.14%+3,678New
Empirical Asset Management, LLC3,732$748.5K0.28%+2,547+214.9%Added
Access Financial Services, Inc.3,758$753.6K0.34%+917+32.3%Added
Bayesian Capital Management, LP3,800$762.0K0.09%−8,600−69.4%Reduced
Simplex Trading, LLC3,816$765.0K0.02%+3,816New
Mirae Asset Global ETFs Holdings Ltd.3,866$775.2K0.00%+3,866New
Nia Impact Advisors, LLC4,065$815.1K0.29%+161+4.1%Added
Stifel Financial Corp4,092$820.6K0.00%+1,460+55.5%Added
State of Alaska, Department of Revenue4,110$824.0K0.01%−7,640−65.0%Reduced
Unique Wealth Strategies, LLC3,790$831.0K0.39%00.0%Unchanged
Daiwa Securities Group Inc.4,143$831.0K0.00%−25−0.6%Reduced
Numerai GP LLC4,244$851.0K0.31%−33−0.8%Reduced
Commonwealth Equity Services, LLC4,394$881.0K0.00%+4,394New
Nissay Asset Management Corp4,564$915.2K0.01%+110+2.5%Added
Illinois Municipal Retirement Fund4,622$926.9K0.01%00.0%Unchanged
KBC Group NV4,656$934.0K0.00%00.0%Unchanged
ING Groep NV4,688$940.1K0.01%−91−1.9%Reduced
La Banque Postale Asset Management SA4,732$948.9K0.04%+847+21.8%Added
Natixis4,770$956.5K0.01%+930+24.2%Added
Mutual of America Capital Management LLC4,779$958.3K0.01%−191−3.8%Reduced
CIBC Asset Management Inc4,864$975.4K0.00%−470−8.8%Reduced
Cerity Partners LLC4,887$980.0K0.00%−391−7.4%Reduced
DekaBank Deutsche Girozentrale5,028$1.00M0.00%−10.0%Reduced
Headlands Technologies LLC5,001$1.00M0.11%+4,682+1,467.7%Added
Kayne Anderson Rudnick Investment Management LLC5,042$1.01M0.00%+1,079+27.2%Added
Yousif Capital Management, LLC5,053$1.01M0.01%−84−1.6%Reduced
Xponance, Inc.5,071$1.02M0.01%−3,570−41.3%Reduced
Scientech Research LLC5,318$1.07M0.22%+5,318New
Comerica Bank5,338$1.07M0.00%+16+0.3%Added
Stiles Financial Services Inc5,367$1.08M0.41%+1,649+44.4%Added
Covea Finance5,500$1.10M0.05%−7,300−57.0%Reduced
Callahan Advisors, LLC5,503$1.10M0.11%+5,503New
Gilder Gagnon Howe & Co LLC5,588$1.12M0.01%+10.0%Added
Credit Agricole S A5,749$1.15M0.01%+3,420+146.8%Added
LRT Capital Management, LLC5,785$1.16M1.09%+347+6.4%Added
Tredje AP-fonden5,960$1.20M0.01%−93−1.5%Reduced
Utah Retirement Systems6,022$1.21M0.01%−400−6.2%Reduced
Victory Capital Management Inc6,056$1.21M0.00%−164−2.6%Reduced
Tower Research Capital LLC (TRC)6,064$1.22M0.02%+4,854+401.2%Added
UniSuper Management Pty Ltd6,124$1.23M0.01%+1,525+33.2%Added
CIBC Private Wealth Group, LLC6,212$1.27M0.00%−2,076−25.0%Reduced
CWM Advisors, LLC6,341$1.27M0.15%−533−7.8%Reduced
DnB Asset Management AS6,393$1.28M0.01%+993+18.4%Added
Public Sector Pension Investment Board6,407$1.28M0.01%+453+7.6%Added
Advisor Group Holdings, Inc.6,861$1.38M0.00%+2,993+77.4%Added
Bangor Savings Bank6,997$1.40M0.14%+221+3.3%Added
State of Tennessee, Treasury Department7,002$1.40M0.01%−339−4.6%Reduced
IFM Investors Pty Ltd7,071$1.42M0.01%00.0%Unchanged
Skandinaviska Enskilda Banken AB (publ)7,168$1.44M0.01%00.0%Unchanged
CIBC World Markets Corp7,218$1.45M0.01%−2,417−25.1%Reduced
Czech National Bank7,221$1.45M0.02%+553+8.3%Added
British Columbia Investment Management Corp7,257$1.46M0.01%+2,737+60.6%Added
Brown Capital Management LLC7,288$1.46M0.03%−50−0.7%Reduced
Nisa Investment Advisors, LLC7,376$1.48M0.01%+52+0.7%Added
Amalgamated Bank7,664$1.54M0.01%−575−7.0%Reduced
Lecap Asset Management Ltd7,679$1.54M0.33%+7,679New
Handelsbanken Fonder AB7,744$1.55M0.01%+1,100+16.6%Added
US Bancorp7,967$1.60M0.00%−655−7.6%Reduced
Stephens Inc8,036$1.61M0.02%+145+1.8%Added
Polen Capital Management LLC8,084$1.62M0.00%−81−1.0%Reduced
Toroso Investments, LLC8,088$1.62M0.02%+139+1.7%Added
Truist Financial Corp8,160$1.64M0.00%−1,882−18.7%Reduced
Commonwealth of Pennsylvania Public School Empls Retrmt Sys8,324$1.67M0.01%+30.0%Added
Retirement Systems of Alabama8,361$1.68M0.01%−5−0.1%Reduced
Lombard Odier Asset Management (Europe) Ltd8,750$1.75M0.09%+8,750New
Reynders McVeigh Capital Management, LLC8,963$1.80M0.10%−1,397−13.5%Reduced
Los Angeles Capital Management LLC9,067$1.82M0.01%−5,435−37.5%Reduced
Keybank National Association9,168$1.84M0.01%−2,530−21.6%Reduced
Coldstream Capital Management Inc9,208$1.85M0.04%+298+3.3%Added
Koss-Olinger Consulting, LLC9,544$1.91M0.18%+9,544New
Bank of Nova Scotia9,574$1.92M0.00%+4,552+90.6%Added
New York Life Investment Management LLC9,643$1.93M0.02%+486+5.3%Added