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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
Private Ocean, LLC1$00.00%−3−75.0%Reduced
BerganKDV Wealth Management, LLC1$00.00%+1New
Kelly Financial Services LLC14,838$320.00%+14,833+296,660.0%Added
Brown Brothers Harriman & Co3$1.00K0.00%00.0%Unchanged
First Horizon Corp4$1.00K0.00%+1+33.3%Added
Longfellow Investment Management Co LLC1$1.00K0.00%00.0%Unchanged
Harbor Investment Advisory, LLC3$1.00K0.00%00.0%Unchanged
USA Financial Portformulas Corp2$1.00K0.00%00.0%Unchanged
Patriot Financial Group Insurance Agency, LLC2$1.00K0.00%−1−33.3%Reduced
Evoke Wealth, LLC3$1.00K0.00%00.0%Unchanged
Newbridge Financial Services Group, Inc.3$1.00K0.00%+2+200.0%Added
True Link Financial Advisors, LLC3$1.00K0.00%+3New
Parkside Financial Bank & Trust4$2.00K0.00%−1−20.0%Reduced
Glassman Wealth Services4$2.00K0.00%−1−20.0%Reduced
Better Money Decisions, LLC5$2.00K0.00%00.0%Unchanged
MV Capital Management, Inc.4$2.00K0.00%+4New
Standard Family Office LLC4$2.00K0.00%+4New
Raffa Wealth Management, LLC5$2.32K0.00%00.0%Unchanged
American Portfolios Advisors6$2.78K0.00%−3−33.3%Reduced
Enterprise Financial Services Corp7$3.00K0.00%−1−12.5%Reduced
Creative Financial Designs Inc7$3.00K0.00%00.0%Unchanged
Tortoise Investment Management, LLC7$3.00K0.00%00.0%Unchanged
Liberty Wealth Management LLC9$4.00K0.00%−60−87.0%Reduced
NEXT Financial Group, Inc10$5.00K0.00%−97−90.7%Reduced
Resolute Partners Group10$5.00K0.00%00.0%Unchanged
Migdal Insurance & Financial Holdings Ltd.12$6.00K0.00%−23−65.7%Reduced
Allworth Financial LP14$6.00K0.00%00.0%Unchanged
Versant Capital Management, Inc13$6.00K0.00%+1+8.3%Added
Valley National Advisers Inc14$6.00K0.00%+3+27.3%Added
TD Private Client Wealth LLC13$6.03K0.00%−10−43.5%Reduced
Harbour Investments, Inc.16$7.00K0.00%−1−5.9%Reduced
Prestige Wealth Management Group LLC15$7.00K0.00%00.0%Unchanged
Earnest Partners LLC18$8.00K0.00%00.0%Unchanged
Carolinas Wealth Consulting LLC18$8.00K0.00%00.0%Unchanged
Farmers & Merchants Investments Inc20$9.00K0.00%00.0%Unchanged
Private Capital Group, LLC20$9.00K0.00%00.0%Unchanged
Hantz Financial Services, Inc.19$9.00K0.00%00.0%Unchanged
Ranger Investment Management, L.P.19$9.00K0.00%00.0%Unchanged
Brewin Dolphin Ltd20$9.27K0.00%00.0%Unchanged
Sargent Bickham Lagudis LLC22$10.0K0.00%00.0%Unchanged
SRS Capital Advisors, Inc.21$10.0K0.00%+21New
Castleview Partners, LLC22$10.0K0.00%+22New
Assetmark, Inc24$11.0K0.00%−23,451−99.9%Reduced
Global Retirement Partners, LLC23$11.0K0.00%+16+228.6%Added
Key Financial Inc23$11.0K0.01%+23New
C M Bidwell & Associates Ltd29$13.0K0.01%00.0%Unchanged
Eagle Bay Advisors LLC27$13.0K0.01%+27New
Toth Financial Advisory Corp30$14.0K0.00%00.0%Unchanged
SkyView Investment Advisors, LLC29$14.0K0.01%00.0%Unchanged
Caldwell Trust Co31$14.4K0.00%00.0%Unchanged
Evolution Wealth Advisors, LLC33$15.0K0.00%−213−86.6%Reduced
Cordasco Financial Network33$15.0K0.01%00.0%Unchanged
West Branch Capital LLC34$16.0K0.01%+34New
Pittenger & Anderson Inc36$17.0K0.00%+10+38.5%Added
JJJ Advisors Inc.38$18.0K0.01%−60−61.2%Reduced
Vectors Research Management, LLC43$20.0K0.01%00.0%Unchanged
Clearstead Advisors, LLC50$23.0K0.00%00.0%Unchanged
Whittier Trust Co of Nevada Inc50$23.0K0.00%00.0%Unchanged
Jacobi Capital Management LLC51$24.0K0.00%+19+59.4%Added
CX Institutional52$24.0K0.00%+19+57.6%Added
Gemmer Asset Management LLC55$25.0K0.00%00.0%Unchanged
Roble, Belko & Company, Inc55$25.0K0.01%00.0%Unchanged
Bessemer Group Inc57$26.0K0.00%−12−17.4%Reduced
Meeder Asset Management Inc58$27.0K0.00%−8−12.1%Reduced
Lindbrook Capital, LLC61$28.0K0.01%−6−9.0%Reduced
Smithfield Trust Co59$28.0K0.00%00.0%Unchanged
Sugarloaf Wealth Management, LLC62$29.0K0.01%00.0%Unchanged
GoalVest Advisory LLC67$31.0K0.02%00.0%Unchanged
Fieldpoint Private Securities, LLC70$33.0K0.01%00.0%Unchanged
Lloyd Advisory Services, LLC.72$33.0K0.02%+24+50.0%Added
KB Financial Partners, LLC74$34.0K0.01%−216−74.5%Reduced
Huntington National Bank77$35.0K0.00%−34−30.6%Reduced
Ellevest, Inc.83$38.0K0.00%−28−25.2%Reduced
Steward Partners Investment Advisory, LLC82$38.0K0.00%−17−17.2%Reduced
FourThought Financial, LLC93$43.0K0.01%−2−2.1%Reduced
CNB Bank92$43.0K0.03%00.0%Unchanged
Heritage Wealth Advisors94$43.6K0.00%−1,259−93.1%Reduced
Wolff Wiese Magana LLC94$44.0K0.03%00.0%Unchanged
Cullen/Frost Bankers, Inc.100$46.0K0.00%00.0%Unchanged
Bartlett & Co. LLC100$46.0K0.00%00.0%Unchanged
Bartlett & Co. Wealth Management LLC100$46.4K0.00%00.0%Unchanged
Canada Pension Plan Investment Board102$48.0K0.00%−1,250−92.5%Reduced
Reilly Financial Advisors, LLC104$48.0K0.00%00.0%Unchanged
HM Payson & Co112$52.0K0.00%00.0%Unchanged
AdvisorNet Financial, Inc120$56.0K0.00%−150−55.6%Reduced
Geneos Wealth Management Inc.122$56.0K0.00%−23−15.9%Reduced
Penserra Capital Management LLC121$56.0K0.00%+33+37.5%Added
O'Shaughnessy Asset Management, LLC126$58.0K0.00%−119−48.6%Reduced
Johnson Financial Group, Inc.125$58.0K0.00%00.0%Unchanged
Norway Savings Bank125$58.0K0.03%00.0%Unchanged
IFP Advisors, Inc125$58.0K0.00%+9+7.8%Added
Sageworth Trust Co130$60.0K0.00%+130New
CVA Family Office, LLC131$61.0K0.02%+121+1,210.0%Added
Central Trust Co138$64.0K0.00%−3,044−95.7%Reduced
TFC Financial Management140$65.0K0.02%+11+8.5%Added
Parallel Advisors, LLC144$67.0K0.00%−5−3.4%Reduced
Exane Derivatives147$67.5K0.02%+61+70.9%Added
Dark Forest Capital Management LP147$68.0K0.03%+147New
Carroll Financial Associates, Inc.150$69.0K0.00%00.0%Unchanged
BBVA USA160$74.0K0.00%+160New