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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
Caldwell Trust Co31$14.4K0.00%00.0%Unchanged
Toth Financial Advisory Corp30$14.0K0.00%00.0%Unchanged
SkyView Investment Advisors, LLC29$14.0K0.01%00.0%Unchanged
C M Bidwell & Associates Ltd29$13.0K0.01%00.0%Unchanged
Eagle Bay Advisors LLC27$13.0K0.01%+27New
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
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
Brewin Dolphin Ltd20$9.27K0.00%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
Earnest Partners LLC18$8.00K0.00%00.0%Unchanged
Carolinas Wealth Consulting LLC18$8.00K0.00%00.0%Unchanged
Harbour Investments, Inc.16$7.00K0.00%−1−5.9%Reduced
Prestige Wealth Management Group LLC15$7.00K0.00%00.0%Unchanged
TD Private Client Wealth LLC13$6.03K0.00%−10−43.5%Reduced
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
NEXT Financial Group, Inc10$5.00K0.00%−97−90.7%Reduced
Resolute Partners Group10$5.00K0.00%00.0%Unchanged
Liberty Wealth Management LLC9$4.00K0.00%−60−87.0%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
American Portfolios Advisors6$2.78K0.00%−3−33.3%Reduced
Raffa Wealth Management, LLC5$2.32K0.00%00.0%Unchanged
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
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
Kelly Financial Services LLC14,838$320.00%+14,833+296,660.0%Added
Private Ocean, LLC1$00.00%−3−75.0%Reduced
BerganKDV Wealth Management, LLC1$00.00%+1New
Harel Insurance Investments & Financial Services Ltd.239––−168−41.3%Reduced
Capital World Investors0$00.00%−151,400−100.0%Sold out
Durable Capital Partners LP0$00.00%−46,683−100.0%Sold out
Nikko Asset Management Americas, Inc.0$00.00%−42,789−100.0%Sold out
ARK Investment Management LLCSuperinvestorARK Invest0$00.00%−33,195−100.0%Sold out
Polar Capital Holdings Plc0$00.00%−15,488−100.0%Sold out
Two Sigma Advisers, LP0$00.00%−13,100−100.0%Sold out
Marshall Wace, LLP0$00.00%−11,476−100.0%Sold out
Capitolis Advisors LLC0$00.00%−9,173−100.0%Sold out
Swiss Life Asset Management Ltd0$00.00%−7,663−100.0%Sold out
EFG Asset Management (Americas) Corp.0$00.00%−6,634−100.0%Sold out
Federated Hermes, Inc.0$00.00%−4,930−100.0%Sold out
Brinker Capital Investments, LLC0$00.00%−4,261−100.0%Sold out
Twin Capital Management Inc0$00.00%−4,035−100.0%Sold out
Avitas Wealth Management LLC0$00.00%−3,681−100.0%Sold out
Employees Retirement System of Texas0$00.00%−3,622−100.0%Sold out
Chartwell Investment Partners, LLC0$00.00%−3,210−100.0%Sold out
Donoghue Forlines LLC0$00.00%−3,172−100.0%Sold out
Signature Estate & Investment Advisors LLC0$00.00%−3,097−100.0%Sold out
Decatur Capital Management, Inc.0$00.00%−2,608−100.0%Sold out
First Hawaiian Bank0$00.00%−2,557−100.0%Sold out
Three Peaks Capital Management, LLC0$00.00%−2,459−100.0%Sold out
Avalon Investment & Advisory0$00.00%−2,096−100.0%Sold out
Alphasimplex Group, LLC0$00.00%−1,846−100.0%Sold out
Dynamic Technology Lab Private Ltd0$00.00%−1,833−100.0%Sold out
First Citizens Bank & Trust Co0$00.00%−1,794−100.0%Sold out
Westover Capital Advisors, LLC0$00.00%−1,712−100.0%Sold out
PGGM Investments0$00.00%−1,682−100.0%Sold out
TriaGen Wealth Management LLC0$00.00%−1,351−100.0%Sold out
Teza Capital Management LLC0$00.00%−1,170−100.0%Sold out
HMS Capital Management, LLC0$00.00%−1,169−100.0%Sold out
Sciencast Management LP0$00.00%−1,100−100.0%Sold out
Guardian Capital LP0$00.00%−1,150−100.0%Sold out
Synovus Financial Corp0$00.00%−1,074−100.0%Sold out
Systematic Alpha Investments, LLC0$00.00%−1,000−100.0%Sold out
Tuttle Tactical Management0$00.00%−961−100.0%Sold out
Echo Street Capital Management LLC0$00.00%−922−100.0%Sold out
Virtu Financial LLC0$00.00%−861−100.0%Sold out
BNP PARIBAS ASSET MANAGEMENT Holding S.A.0$00.00%−851−100.0%Sold out
Krane Funds Advisors LLC0$00.00%−846−100.0%Sold out
LS Investment Advisors, LLC0$00.00%−709−100.0%Sold out
Assenagon Asset Management S.A.0$00.00%−685−100.0%Sold out
Acadian Asset Management LLC0$00.00%−683−100.0%Sold out
Veracity Capital LLC0$00.00%−668−100.0%Sold out
D. E. Shaw & Co., Inc.0$00.00%−662−100.0%Sold out
Pinnacle Financial Partners Inc0$00.00%−631−100.0%Sold out
Lombard Odier Asset Management (Europe) Ltd0$00.00%−628−100.0%Sold out
National Asset Management, Inc.0$00.00%−583−100.0%Sold out
Loomis Sayles & Co L P0$00.00%−561−100.0%Sold out
Main Street Financial Solutions, LLC0$00.00%−559−100.0%Sold out