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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, Q1 2023

Institutional positions in Marketaxess Holdings Inc as of Mar 31, 2023. 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
540
+46 vs. Q4 2022
Shares held
37.0M
+219.0K (+0.6%) vs. Q4 2022
Total value
$14.5B
+$4.20B (+40.8%) vs. Q4 2022
New holders
87
194 more added
Sold out
41
184 more reduced

6 institutions that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2022: 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 holdersQ1 2023: 540 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 heldQ1 2023: $14.5B
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, Q1 2023

Shares, value and share of portfolio for each institution holding Marketaxess Holdings Inc; share changes are against Q4 2022.

Institutions holding MKTX in Q1 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Canandaigua National Bank & Trust Co1,900$743.0K0.13%+1,900New
Toroso Investments, LLC1,874$733.0K0.02%−923−33.0%Reduced
Baker Tilly Wealth Management, LLC1,854$725.5K0.08%−225−10.8%Reduced
Emerald Advisers, LLC1,825$714.1K0.03%−235−11.4%Reduced
Mercer Global Advisors Inc1,825$714.0K0.00%+2+0.1%Added
Premier Fund Managers Ltd1,810$702.0K0.03%+280+18.3%Added
New Mexico Educational Retirement Board1,750$685.0K0.03%00.0%Unchanged
Baker Avenue Asset Management, LP1,748$684.0K0.04%+1,649+1,665.7%Added
Impax Asset Management Group plc1,686$659.7K0.00%+708+72.4%Added
Metropolitan Life Insurance Co1,684$658.9K0.03%−450−21.1%Reduced
Engineers Gate Manager LP1,673$654.6K0.03%+1,673New
ProVise Management Group, LLC1,640$641.7K0.06%+1,640New
CI Private Wealth, LLC1,638$640.9K0.00%+781+91.1%Added
E. Ohman J:or Asset Management AB1,600$626.1K0.02%00.0%Unchanged
Twin Tree Management, LP1,581$618.6K0.02%+1,581New
Virginia Retirement Systems Et Al1,560$610.4K0.01%+1,560New
Schonfeld Strategic Advisors LLC1,559$610.0K0.01%+1,559New
Weiss Asset Management LP1,500$586.9K0.05%+1,500New
Dynamic Technology Lab Private Ltd1,477$578.0K0.05%+1,477New
Balentine LLC1,442$564.2K0.02%+43+3.1%Added
Connor, Clark & Lunn Investment Management Ltd.1,431$559.9K0.00%+1,431New
Royce & Associates LP1,423$556.8K0.01%−158−10.0%Reduced
Advisor Partners II, LLC1,418$554.7K0.03%+296+26.4%Added
Vestmark Advisory Solutions, Inc.1,409$551.4K0.02%+68+5.1%Added
Mackenzie Financial Corp1,400$547.8K0.00%−11−0.8%Reduced
Everence Capital Management Inc1,390$544.0K0.04%00.0%Unchanged
Kentucky Retirement Systems Insurance Trust Fund1,339$524.0K0.04%−10−0.7%Reduced
Commonwealth Equity Services, LLC1,328$519.0K0.00%−265−16.6%Reduced
Northwestern Mutual Wealth Management Co1,322$517.3K0.00%−20−1.5%Reduced
SG Americas Securities, LLC1,271$497.0K0.01%−1,131−47.1%Reduced
Raymond James Financial Services Advisors, Inc.1,267$495.8K0.00%+1,267New
Kistler-Tiffany Companies, LLC1,252$489.9K0.09%+456+57.3%Added
Point72 Asset Management, L.P.1,252$489.7K0.00%+1,252New
Regions Financial Corp1,238$484.0K0.00%+28+2.3%Added
WMS Partners, LLC1,234$482.9K0.04%00.0%Unchanged
Nelson, Van Denburg & Campbell Wealth Management Group, LLC1,193$466.8K0.03%−16−1.3%Reduced
Northwestern Mutual Investment Management Company, LLC1,183$462.9K0.01%+4+0.3%Added
Tactive Advisors, LLC1,183$462.9K0.34%+1,183New
Contravisory Investment Management, Inc.1,181$462.1K0.13%+1,181New
Echo Street Capital Management LLC1,180$461.7K0.00%+1,180New
BI Asset Management Fondsmaeglerselskab A/S1,179$461.0K0.01%−311−20.9%Reduced
Proequities, Inc.1,158$453.1K0.04%−74−6.0%Reduced
Rockefeller Capital Management L.P.1,159$453.0K0.00%+68+6.2%Added
Hennion & Walsh Asset Management, Inc.1,157$453.0K0.03%+1,157New
Banco Bilbao Vizcaya Argentaria, S.A.1,148$449.2K0.01%+208+22.1%Added
Exchange Traded Concepts, LLC1,148$449.2K0.01%+655+132.9%Added
Capital Wealth Planning, LLC1,145$448.0K0.01%+1,145New
Precision Wealth Strategies, LLC1,133$443.3K0.70%−41−3.5%Reduced
Bridgefront Capital, LLC1,123$439.4K0.27%+1,123New
Tower Research Capital LLC (TRC)1,114$435.0K0.01%+15+1.4%Added
Yorktown Management & Research Co Inc1,100$430.4K0.46%00.0%Unchanged
Coldstream Capital Management Inc1,083$423.6K0.01%+67+6.6%Added
SYSTM Wealth Solutions LLC1,061$415.2K0.06%−5−0.5%Reduced
Fox Run Management, L.L.C.1,059$414.4K0.13%+1,059New
Retirement Planning Co of New England, Inc.1,041$407.5K0.25%−108−9.4%Reduced
O'Shaughnessy Asset Management, LLC1,017$397.9K0.01%+1,017New
Healthcare of Ontario Pension Plan Trust Fund1,014$396.8K0.00%−12,380−92.4%Reduced
Advisory Services Network, LLC1,005$393.4K0.01%−4−0.4%Reduced
Central Trust Co980$383.5K0.01%−390−28.5%Reduced
Raymond James Trust N.A.978$383.0K0.01%+145+17.4%Added
Benedict Financial Advisors Inc963$376.8K0.11%+2+0.2%Added
Vontobel Holding Ltd.938$367.0K0.00%−86−8.4%Reduced
Kestra Advisory Services, LLC928$362.9K0.00%−1,583−63.0%Reduced
Boothbay Fund Management, LLC927$362.7K0.01%+927New
KLR Investment Advisors, LLC926$362.3K0.32%−68−6.8%Reduced
Empirical Finance, LLC926$362.3K0.03%+72+8.4%Added
Alps Advisors Inc910$356.1K0.00%+910New
Financial Advisory Corp902$353.0K0.17%−28−3.0%Reduced
Vestcor Inc893$349.0K0.01%00.0%Unchanged
Ieq Capital, LLC867$339.3K0.01%+867New
National Wealth Management Group, LLC1,124$336.3K0.38%−213−15.9%Reduced
Blossom Wealth Management858$335.7K1.37%+100+13.2%Added
Flagship Harbor Advisors, LLC858$335.6K0.03%−14−1.6%Reduced
Triasima Portfolio Management inc.853$333.8K0.03%+853New
Glenmede Trust Co NA846$331.0K0.00%+846New
B. Metzler seel. Sohn & Co. AG844$330.2K0.01%00.0%Unchanged
Bradley Mark J.840$328.7K0.24%−110−11.6%Reduced
Nebula Research & Development LLC820$320.9K0.57%+820New
Bank of Nova Scotia Trust Co806$315.4K0.03%00.0%Unchanged
CWM Advisors, LLC804$314.7K0.04%−167−17.2%Reduced
Tokio Marine Asset Management Co Ltd797$311.9K0.02%+54+7.3%Added
Formidable Asset Management, LLC787$308.0K0.07%−945−54.6%Reduced
Graham Capital Management, L.P.786$307.6K0.01%+786New
First Manhattan Co785$307.2K0.00%00.0%Unchanged
Centaurus Financial, Inc.778$304.0K0.02%−56−6.7%Reduced
Jefferies Financial Group Inc.764$298.9K0.01%+764New
Vident Investment Advisory, LLC748$292.7K0.01%+748New
Stevens Capital Management LP743$291.0K0.07%+743New
Sawtooth Solutions, LLC741$289.9K0.01%+741New
Headlands Technologies LLC737$288.4K0.19%+737New
Colony Group LLC733$287.0K0.00%−3−0.4%Reduced
Bleakley Financial Group, LLC733$286.8K0.01%+733New
Quantum Private Wealth, LLC705$275.9K0.15%+705New
Qsemble Capital Management, LP700$273.9K0.18%+700New
Convergence Investment Partners, LLC696$272.0K0.16%+696New
Machina Capital S.A.S.681$266.5K0.23%+681New
Meeder Asset Management Inc679$265.7K0.02%+653+2,511.5%Added
Pathstone Family Office, LLC523$258.7K0.00%+523New
Cognios Beta Neutral Large Cap Fund, LP661$256.5K0.24%−2,184−76.8%Reduced
Cetera Advisors LLC654$255.9K0.00%−163−20.0%Reduced