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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 2025

Institutional positions in Marketaxess Holdings Inc as of Mar 31, 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
511
−1 vs. Q4 2024
Shares held
37.2M
−317.9K (−0.8%) vs. Q4 2024
Total value
$8.05B
−$431.1M (−5.1%) vs. Q4 2024
New holders
80
200 more added
Sold out
81
179 more reduced

7 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2024: 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 2025: 511 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 2025: $8.05B
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 2025

Shares, value and share of portfolio for each institution holding Marketaxess Holdings Inc; share changes are against Q4 2024.

Institutions holding MKTX in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Y.D. More Investments Ltd54$310.00%+6+12.5%Added
Harbour Investments, Inc.1$2160.00%00.0%Unchanged
WestEnd Advisors, LLC1$2160.00%00.0%Unchanged
Parkworth Wealth Management, Inc.1$2160.00%00.0%Unchanged
AdvisorNet Financial, Inc1$2160.00%+1New
Bay Harbor Wealth Management, LLC1$2160.00%+1New
Stonebridge Financial Group, LLC1$2160.00%+1New
SJS Investment Consulting Inc.1$2170.00%−3−75.0%Reduced
HFM Investment Advisors, LLC1$2170.00%+1New
MAI Capital Management2$4330.00%−16−88.9%Reduced
Bokf, NA2$4330.00%00.0%Unchanged
Zions Bancorporation, National Association2$4330.00%+2New
Versant Capital Management, Inc3$6490.00%00.0%Unchanged
Provenance Wealth Advisors, LLC3$6490.00%00.0%Unchanged
Rise Advisors, LLC3$6490.00%+3New
Highline Wealth Partners LLC3$6490.00%+3New
Sachetta, LLC3$6500.00%−4−57.1%Reduced
SRS Capital Advisors, Inc.4$8660.00%−136−97.1%Reduced
MV Capital Management, Inc.4$8660.00%00.0%Unchanged
Raffa Wealth Management, LLC5$1.08K0.00%00.0%Unchanged
Global Financial Private Client, LLC5$1.08K0.00%+3+150.0%Added
UMA Financial Services, Inc.5$1.08K0.00%+5New
Spire Wealth Management5$1.08K0.00%+5New
CoreCap Advisors, LLC5$1.08K0.00%+5New
DiNuzzo Private Wealth, Inc.6$1.30K0.00%00.0%Unchanged
Tortoise Investment Management, LLC7$1.51K0.00%00.0%Unchanged
Cape Investment Advisory, Inc.8$1.73K0.00%00.0%Unchanged
Red Tortoise LLC9$1.95K0.00%−5−35.7%Reduced
Bruce G. Allen Investments, LLC9$1.95K0.00%+6+200.0%Added
Brown Brothers Harriman & Co10$2.16K0.00%+10New
South State Corp.10$2.16K0.00%+10New
DT Investment Partners, LLC11$2.38K0.00%00.0%Unchanged
State of Wyoming13$2.81K0.00%−470−97.3%Reduced
JFS Wealth Advisors, LLC13$2.81K0.00%+2+18.2%Added
Creative Financial Designs Inc13$2.81K0.00%+13New
True Wealth Design, LLC14$3.03K0.00%−76−84.4%Reduced
Salem Investment Counselors Inc14$3.03K0.00%00.0%Unchanged
GWM Advisors LLC18$3.95K0.00%00.0%Unchanged
HHM Wealth Advisors, LLC19$4.03K0.00%−4−17.4%Reduced
Investors Research Corp22$4.76K0.00%00.0%Unchanged
Hemington Wealth Management27$5.00K0.00%+6+28.6%Added
Farmers & Merchants Investments Inc25$5.41K0.00%00.0%Unchanged
Atlantic Trust, LLC25$5.41K0.00%+25New
Parvin Asset Management, LLC25$5.41K0.01%+25New
First Horizon Advisors, Inc.25$5.41K0.00%−7−21.9%Reduced
TCTC Holdings, LLC26$5.63K0.00%00.0%Unchanged
Smithfield Trust Co28$6.00K0.00%−15−34.9%Reduced
C M Bidwell & Associates Ltd29$6.27K0.00%00.0%Unchanged
Kayne Anderson Rudnick Investment Management LLC31$6.71K0.00%−6,019−99.5%Reduced
Ronald Blue Trust, Inc.32$6.92K0.00%+8+33.3%Added
West Branch Capital LLC34$7.36K0.00%00.0%Unchanged
Skopos Labs, Inc.35$7.57K0.00%+28+400.0%Added
Fjarde Ap-Fonden /Fourth Swedish National Pension Fund36$8.00K0.00%−11,184−99.7%Reduced
Caitong International Asset Management Co., Ltd38$8.22K0.01%+24+171.4%Added
Cromwell Holdings LLC39$8.44K0.01%−51−56.7%Reduced
Parkside Financial Bank & Trust40$8.65K0.00%+2+5.3%Added
Capital Advisors, Ltd. LLC42$9.00K0.00%+39+1,300.0%Added
City Holding Co42$9.09K0.00%+42New
SBI Securities Co., Ltd.43$9.30K0.00%−2−4.4%Reduced
Johnson Financial Group, Inc.43$9.30K0.00%00.0%Unchanged
Manchester Capital Management LLC43$9.30K0.00%+30+230.8%Added
TD Private Client Wealth LLC44$9.52K0.00%+32+266.7%Added
Accent Capital Management, LLC45$9.74K0.01%−35−43.8%Reduced
Hara Capital LLC50$10.8K0.01%00.0%Unchanged
Bryn Mawr Trust Co54$11.7K0.00%+54New
Roble, Belko & Company, Inc55$12.0K0.00%00.0%Unchanged
Whittier Trust Co of Nevada Inc64$13.8K0.00%00.0%Unchanged
Central Trust Co67$14.5K0.00%−18−21.2%Reduced
EverSource Wealth Advisors, LLC67$14.5K0.00%+50+294.1%Added
Steward Partners Investment Advisory, LLC81$17.5K0.00%+2+2.5%Added
Bessemer Group Inc85$18.0K0.00%−18−17.5%Reduced
CNB Bank92$19.9K0.01%00.0%Unchanged
Smartleaf Asset Management LLC103$22.3K0.00%−22−17.6%Reduced
Clearstead Advisors, LLC106$23.0K0.00%+89+523.5%Added
HM Payson & Co110$23.8K0.00%00.0%Unchanged
CVA Family Office, LLC111$24.0K0.00%−121−52.2%Reduced
Private Trust Co NA111$24.0K0.00%+50+82.0%Added
Skandinaviska Enskilda Banken AB (publ)115$24.9K0.00%−6,953−98.4%Reduced
Geneos Wealth Management Inc.120$26.0K0.00%+80+200.0%Added
Allworth Financial LP119$26.0K0.00%+9+8.2%Added
Sentry Investment Management LLC130$27.0K0.02%−11−7.8%Reduced
Allianz SE125$27.0K0.00%+6+5.0%Added
Farther Finance Advisors, LLC127$27.4K0.00%−5−3.8%Reduced
Global X Japan Co., Ltd.131$28.3K0.00%+22+20.2%Added
Principia Wealth Advisory, LLC165$33.5K0.03%+1+0.6%Added
Massmutual Trust Co FSB164$35.5K0.00%+54+49.1%Added
Generali Asset Management SPA SGR189$40.9K0.00%−11,567−98.4%Reduced
Huntington National Bank191$41.3K0.00%+31+19.4%Added
Amica Retiree Medical Trust194$42.0K0.06%−35−15.3%Reduced
Aster Capital Management (DIFC) Ltd227$43.8K0.01%+170+298.2%Added
Umb Bank N A222$48.0K0.00%+81+57.4%Added
Park Place Capital Corp236$51.1K0.01%+40+20.4%Added
Bank Julius Baer & Co. Ltd, Zurich250$54.0K0.00%+24+10.6%Added
Mather Group, LLC.255$55.2K0.00%−216−45.9%Reduced
Harbor Capital Advisors, Inc.257$56.0K0.00%+257New
Pinnacle Financial Partners Inc250$56.5K0.00%00.0%Unchanged
Principal Securities, Inc.261$59.0K0.00%00.0%Unchanged
Intact Investment Management Inc.300$64.9K0.00%+300New
Resona Asset Management Co.,Ltd.306$66.3K0.00%−11,191−97.3%Reduced
Signaturefd, LLC333$72.0K0.00%+211+173.0%Added