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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 2023

Institutional positions in Marketaxess Holdings Inc as of Jun 30, 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
514
−25 vs. Q1 2023
Shares held
37.7M
+719.7K (+1.9%) vs. Q1 2023
Total value
$9.88B
−$4.59B (−31.7%) vs. Q1 2023
New holders
56
178 more added
Sold out
81
198 more reduced

1 institution that held it in Q1 2023 haven't filed for Q2 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2023: 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 2023: 514 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 2023: $9.88B
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 2023

Shares, value and share of portfolio for each institution holding Marketaxess Holdings Inc; share changes are against Q1 2023.

Institutions holding MKTX in Q2 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Signaturefd, LLC248$64.8K0.00%−50−16.8%Reduced
Sentry Investment Management LLC247$65.0K0.02%00.0%Unchanged
Pinnacle Financial Partners Inc250$65.4K0.00%00.0%Unchanged
JTC Employer Solutions Trusteee Ltd266$68.0K0.01%00.0%Unchanged
Riverview Trust Co281$73.5K0.07%00.0%Unchanged
V-Square Quantitative Management LLC287$75.0K0.05%+287New
Tower Research Capital LLC (TRC)288$75.3K0.00%−826−74.1%Reduced
UniSuper Management Pty Ltd300$78.4K0.00%+300New
Quadrant Capital Group LLC317$82.9K0.01%−130−29.1%Reduced
Covestor Ltd350$92.0K0.07%−2−0.6%Reduced
Ci Investments Inc.390$102.0K0.00%+50+14.7%Added
Leonteq Securities AG394$103.0K0.01%+223+130.4%Added
Penserra Capital Management LLC425$110.0K0.00%+345+431.3%Added
Hall Laurie J Trustee440$115.0K0.05%+10+2.3%Added
Ameritas Investment Partners, Inc.454$118.7K0.00%00.0%Unchanged
Kapitalo Investimentos Ltda455$118.9K0.02%+455New
CWM, LLC458$120.0K0.00%−29−6.0%Reduced
Central Trust Co476$124.4K0.00%−504−51.4%Reduced
IFP Advisors, Inc629$136.5K0.01%+625+15,625.0%Added
Horizon Investments, LLC592$154.3K0.00%−39−6.2%Reduced
Chiron Investment Management, LLC605$158.2K0.04%−35,528−98.3%Reduced
Centaurus Financial, Inc.647$169.0K0.01%−131−16.8%Reduced
Lazard Asset Management LLC655$171.0K0.00%−23,026−97.2%Reduced
Bramshill Investments, LLC670$175.2K0.02%+670New
Meeder Asset Management Inc679$177.5K0.01%00.0%Unchanged
Emerald Advisers, LLC778$203.4K0.01%−1,047−57.4%Reduced
Vontobel Holding Ltd.782$204.4K0.00%−156−16.6%Reduced
First Manhattan Co785$205.2K0.00%00.0%Unchanged
Wallace Advisory Group, LLC536$209.7K0.16%00.0%Unchanged
Bank of Nova Scotia Trust Co806$210.7K0.02%00.0%Unchanged
Machina Capital S.A.S.825$215.7K0.12%+144+21.1%Added
B. Metzler seel. Sohn & Co. AG844$220.6K0.00%00.0%Unchanged
Commonwealth Equity Services, LLC858$224.0K0.00%−470−35.4%Reduced
Coldstream Capital Management Inc884$231.0K0.01%−199−18.4%Reduced
Vestcor Inc893$233.0K0.01%00.0%Unchanged
Flagship Harbor Advisors, LLC898$234.7K0.02%+40+4.7%Added
Raymond James Trust N.A.903$236.0K0.01%−75−7.7%Reduced
SYSTM Wealth Solutions LLC908$237.4K0.03%−153−14.4%Reduced
Tokio Marine Asset Management Co Ltd911$238.2K0.02%+114+14.3%Added
KLR Investment Advisors, LLC913$238.7K0.20%−13−1.4%Reduced
Alps Advisors Inc915$239.2K0.00%+5+0.5%Added
Kestra Advisory Services, LLC939$245.5K0.00%+11+1.2%Added
BI Asset Management Fondsmaeglerselskab A/S961$251.0K0.01%−218−18.5%Reduced
Benedict Financial Advisors Inc965$252.2K0.07%+2+0.2%Added
SkyOak Wealth, LLC969$253.3K0.07%+969New
Blossom Wealth Management988$258.3K0.95%+130+15.2%Added
HighTower Advisors, LLC997$262.0K0.00%−6,805−87.2%Reduced
Meritage Group LP1,007$263.0K0.01%+397+65.1%Added
Achmea Investment Management B.V.1,029$269.0K0.01%+963+1,459.1%Added
Empirical Asset Management, LLC1,038$271.3K0.24%+1,038New
Empirical Finance, LLC1,059$276.8K0.02%+133+14.4%Added
Retirement Planning Co of New England, Inc.1,064$278.2K0.16%+23+2.2%Added
Nelson, Van Denburg & Campbell Wealth Management Group, LLC1,069$279.5K0.02%−124−10.4%Reduced
Proequities, Inc.1,072$280.2K0.02%−86−7.4%Reduced
O'Shaughnessy Asset Management, LLC1,086$283.9K0.00%+69+6.8%Added
Cambridge Investment Research Advisors, Inc.1,086$284.0K0.00%−13,481−92.5%Reduced
Yorktown Management & Research Co Inc1,100$287.6K0.31%00.0%Unchanged
Qsemble Capital Management, LP1,102$288.1K0.20%+402+57.4%Added
Precision Wealth Strategies, LLC1,115$291.5K0.48%−18−1.6%Reduced
Blueshift Asset Management, LLC1,134$296.4K0.11%+1,134New
Kistler-Tiffany Companies, LLC1,152$301.2K0.05%−100−8.0%Reduced
Banco Bilbao Vizcaya Argentaria, S.A.1,174$306.9K0.00%+26+2.3%Added
Northwestern Mutual Investment Management Company, LLC1,187$310.3K0.01%+4+0.3%Added
Advisor Partners II, LLC1,202$314.5K0.01%−216−15.2%Reduced
Regions Financial Corp1,208$315.8K0.00%−30−2.4%Reduced
Contravisory Investment Management, Inc.1,219$318.7K0.08%+38+3.2%Added
WMS Partners, LLC1,225$320.2K0.03%−9−0.7%Reduced
Hennion & Walsh Asset Management, Inc.1,246$326.0K0.02%+89+7.7%Added
Vestmark Advisory Solutions, Inc.1,252$327.4K0.01%−157−11.1%Reduced
Vinva Investment Management Ltd1,254$328.5K0.03%−954−43.2%Reduced
Glenmede Trust Co NA846$331.0K0.00%00.0%Unchanged
Headlands Technologies LLC1,305$341.2K0.11%+568+77.1%Added
Northwestern Mutual Wealth Management Co1,311$342.7K0.00%−11−0.8%Reduced
Cresset Asset Management, LLC1,318$344.7K0.00%+1,318New
LRT Capital Management, LLC1,323$346.6K0.26%−711−35.0%Reduced
Walleye Trading LLC1,346$351.9K0.02%+1,346New
Kentucky Retirement Systems Insurance Trust Fund1,352$353.0K0.03%+13+1.0%Added
Mercer Global Advisors Inc1,358$355.0K0.00%−467−25.6%Reduced
Ostrum Asset Management1,369$357.9K0.03%−672−32.9%Reduced
Royce & Associates LP1,423$372.0K0.00%00.0%Unchanged
Balentine LLC1,438$375.9K0.01%−4−0.3%Reduced
Everence Capital Management Inc1,390$379.0K0.03%00.0%Unchanged
Raymond James Financial Services Advisors, Inc.1,519$397.1K0.00%+252+19.9%Added
CI Private Wealth, LLC1,568$409.9K0.00%−70−4.3%Reduced
X-Square Capital, LLC1,568$410.0K0.28%−597−27.6%Reduced
Seven Eight Capital, LP1,587$414.9K0.07%+1,587New
E. Ohman J:or Asset Management AB1,600$418.3K0.02%00.0%Unchanged
Nichols & Pratt Advisers LLP1,600$418.3K0.03%+1,600New
Metropolitan Life Insurance Co1,642$429.3K0.02%−42−2.5%Reduced
Thrivent Financial for Lutherans1,674$438.0K0.00%−419−20.0%Reduced
Impax Asset Management Group plc1,686$440.8K0.00%00.0%Unchanged
Centiva Capital, LP1,692$442.3K0.02%−7,550−81.7%Reduced
Baker Tilly Wealth Management, LLC1,753$458.3K0.05%−101−5.4%Reduced
New Mexico Educational Retirement Board1,850$484.0K0.02%+100+5.7%Added
Advisors Asset Management, Inc.1,867$488.1K0.01%−380−16.9%Reduced
Peloton Wealth Strategists1,885$493.0K0.22%−15−0.8%Reduced
Cetera Advisor Networks LLC1,888$493.4K0.00%−1,318−41.1%Reduced
Ethic Inc.1,893$494.9K0.02%−477−20.1%Reduced
Creative Planning1,897$495.9K0.00%−101−5.1%Reduced
Canandaigua National Bank & Trust Co1,900$496.7K0.08%00.0%Unchanged