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, Q2 2025

Institutional positions in Marketaxess Holdings Inc as of Jun 30, 2025. 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
531
+27 vs. Q1 2025
Shares held
36.9M
−208.8K (−0.6%) vs. Q1 2025
Total value
$8.24B
+$209.3M (+2.6%) vs. Q1 2025
New holders
85
229 more added
Sold out
58
159 more reduced

7 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2025: 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 2025: 531 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 2025: $8.24B
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 2025

Shares, value and share of portfolio for each institution holding Marketaxess Holdings Inc; share changes are against Q1 2025.

Institutions holding MKTX in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Principal Securities, Inc.227$50.7K0.00%−34−13.0%Reduced
Park Place Capital Corp236$52.7K0.01%00.0%Unchanged
Bank Julius Baer & Co. Ltd, Zurich240$53.6K0.00%−10−4.0%Reduced
Skopos Labs, Inc.243$54.3K0.01%+208+594.3%Added
Massmutual Trust Co FSB248$55.4K0.00%+84+51.2%Added
Umb Bank N A266$59.4K0.00%+44+19.8%Added
PEAK6 LLC295$65.9K0.00%+295New
Employees Retirement System of Texas311$69.0K0.00%+311New
Allworth Financial LP310$69.2K0.00%+191+160.5%Added
Clearstead Advisors, LLC333$74.4K0.00%+227+214.2%Added
Colonial Trust Co351$78.4K0.01%−2−0.6%Reduced
Ameritas Investment Partners, Inc.354$79.1K0.00%−45−11.3%Reduced
Anchor Investment Management, LLC376$84.0K0.01%00.0%Unchanged
Resona Asset Management Co.,Ltd.392$86.1K0.00%+86+28.1%Added
Covestor Ltd535$120.0K0.07%−76−12.4%Reduced
Signaturefd, LLC546$121.9K0.00%+213+64.0%Added
State of Wyoming580$129.5K0.02%+567+4,361.5%Added
IFP Advisors, Inc587$131.2K0.00%+141+31.6%Added
Rexford Capital Inc614$137.1K0.11%+614New
Canada Post Corp Registered Pension Plan620$138.5K0.01%+620New
Parallel Advisors, LLC680$151.9K0.00%+289+73.9%Added
Erste Asset Management GmbH700$153.7K0.00%+700New
Goodman Advisory Group, LLC705$157.5K0.05%+705New
CX Institutional717$160.0K0.01%+87+13.8%Added
Storebrand Asset Management AS719$160.6K0.00%00.0%Unchanged
Nomura Asset Management Co Ltd808$180.5K0.00%+14+1.8%Added
MUFG Securities Americas Inc.831$185.6K0.02%+163+24.4%Added
STRS Ohio871$194.5K0.00%+871New
Federated Hermes, Inc.871$194.5K0.00%+349+66.9%Added
Metis Global Partners, LLC896$200.1K0.01%+896New
David Loasby970$201.5K0.02%+6+0.6%Added
Regions Financial Corp908$202.8K0.00%−59−6.1%Reduced
Transcend Wealth Collective, LLC912$203.7K0.02%+912New
Landscape Capital Management, L.L.C.924$206.4K0.02%+924New
Bank of Nova Scotia Trust Co929$207.5K0.02%−13−1.4%Reduced
Commerce Bank936$209.0K0.00%−236−20.1%Reduced
Alliance Wealth Advisors, LLC941$210.2K0.05%−12−1.3%Reduced
KBC Group NV943$211.0K0.00%−582−38.2%Reduced
South Dakota Investment Council950$212.0K0.00%00.0%Unchanged
HighPoint Advisor Group LLC974$217.5K0.01%+4+0.4%Added
Journey Strategic Wealth LLC976$218.0K0.01%+976New
Glenmede Investment Management, LP983$219.5K0.00%+983New
Fiduciary Trust Co997$222.7K0.00%+997New
Waddell & Associates, LLC997$222.7K0.02%+997New
Intrust Bank NA999$223.1K0.02%+999New
Mount Yale Investment Advisors, LLC1,000$223.4K0.02%−1,197−54.5%Reduced
waypoint wealth counsel1,003$224.0K0.11%+1,003New
Patton Fund Management, Inc.1,005$224.5K0.05%+1,005New
Summit Trail Advisors, LLC1,006$224.7K0.00%+1,006New
Chicago Partners Investment Group LLC1,073$227.5K0.01%+1,073New
Northwestern Mutual Wealth Management Co1,022$228.3K0.00%+46+4.7%Added
Atomi Financial Group, Inc.1,027$229.4K0.01%+1,027New
Sym Financial Corp1,050$234.5K0.03%+1,050New
Claret Asset Management Corp1,059$236.0K0.03%––
Cambridge Investment Research Advisors, Inc.1,064$238.0K0.00%−65−5.8%Reduced
Portside Wealth Group, LLC1,069$238.8K0.04%+99+10.2%Added
Atria Investments LLC1,096$244.7K0.00%−86−7.3%Reduced
Legacy Wealth Asset Management, LLC1,113$248.6K0.06%+25+2.3%Added
Sumitomo Mitsui DS Asset Management Company, Ltd1,117$249.5K0.00%+1,117New
Farringdon Capital, Ltd.1,117$249.5K0.08%+1,117New
PharVision Advisers, LLC1,135$253.5K0.36%+1,135New
Commonwealth Equity Services, LLC1,137$254.0K0.00%−241−17.5%Reduced
Davenport & Co LLC1,158$258.7K0.00%−16−1.4%Reduced
Dynamic Technology Lab Private Ltd1,167$261.0K0.04%+1,167New
V-Square Quantitative Management LLC1,188$265.3K0.04%+258+27.7%Added
Northwestern Mutual Investment Management Company, LLC1,197$267.3K0.00%−3−0.3%Reduced
Aigen Investment Management, LP1,203$268.7K0.04%+1,203New
MBB Public Markets I LLC1,204$268.9K0.03%−268−18.2%Reduced
Tower Research Capital LLC (TRC)1,210$270.2K0.01%−4,951−80.4%Reduced
Evoke Wealth, LLC1,222$272.8K0.01%+1,222New
Empowered Funds, LLC1,224$273.4K0.00%−492−28.7%Reduced
Everence Capital Management Inc1,230$275.0K0.02%−510−29.3%Reduced
Boothbay Fund Management, LLC1,242$277.4K0.01%+1,242New
Ci Investments Inc.1,250$279.0K0.00%−50−3.8%Reduced
EverSource Wealth Advisors, LLC1,254$280.1K0.01%+1,187+1,771.6%Added
Blair William & Co1,287$287.4K0.00%+1,287New
Macquarie Group Ltd1,290$288.1K0.00%−611,457−99.8%Reduced
Independent Financial Group, LLC1,299$290.1K0.01%−2−0.2%Reduced
Guardian Partners Inc.1,325$290.5K0.03%−390−22.7%Reduced
Sequoia Financial Advisors, LLC1,306$291.7K0.00%+1,306New
Empirical Finance, LLC1,346$300.6K0.02%+11+0.8%Added
Highland Capital Management, LLC1,354$302.4K0.02%+1,354New
Omers Administration Corp1,390$310.4K0.00%00.0%Unchanged
Impact Partnership Wealth, LLC1,409$314.7K0.06%+1,409New
Clear Creek Financial Management, LLC1,413$315.6K0.03%+120+9.3%Added
Retirement Planning Co of New England, Inc.1,447$323.2K0.14%−11−0.8%Reduced
Pensionmark Financial Group, LLC1,454$324.7K0.01%−381−20.8%Reduced
Crossmark Global Holdings, Inc.1,455$325.0K0.01%+484+49.8%Added
BNP PARIBAS ASSET MANAGEMENT Holding S.A.1,476$330.0K0.00%+329+28.7%Added
Jones Financial Companies LLLP1,609$353.3K0.00%+240+17.5%Added
Cetera Investment Advisers1,589$354.9K0.00%+144+10.0%Added
Benedict Financial Advisors Inc1,602$357.7K0.08%+66+4.3%Added
Globeflex Capital L P1,648$368.1K0.03%00.0%Unchanged
Quadrant Capital Group LLC1,653$369.2K0.01%−36−2.1%Reduced
Banque Pictet & Cie SA1,656$369.9K0.00%−110−6.2%Reduced
Groupama Asset Managment1,727$379.2K0.01%−876−33.7%Reduced
Sumitomo Mitsui Trust Holdings, Inc.1,698$379.2K0.00%+40+2.4%Added
Park Avenue Securities LLC1,711$382.0K0.00%+102+6.3%Added
Allspring Global Investments Holdings, LLC1,713$382.2K0.00%−53−3.0%Reduced
Forte Capital LLC1,721$384.4K0.04%−100−5.5%Reduced