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Livermore
ZHEN

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, Q4 2023

Institutional positions in Marketaxess Holdings Inc as of Dec 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
506
+26 vs. Q3 2023
Shares held
37.2M
−133.6K (−0.4%) vs. Q3 2023
Total value
$10.9B
+$2.89B (+36.2%) vs. Q3 2023
New holders
94
179 more added
Sold out
68
171 more reduced

5 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2023: 506 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 heldQ4 2023: $10.9B
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, Q4 2023

Shares, value and share of portfolio for each institution holding Marketaxess Holdings Inc; share changes are against Q3 2023.

Institutions holding MKTX in Q4 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Sentry Investment Management LLC197$58.0K0.02%−21−9.6%Reduced
GAMMA Investing LLC253$57.1K0.02%+253New
Wetzel Investment Advisors, Inc.195$57.0K0.04%+195New
CVA Family Office, LLC171$50.1K0.01%+171New
Penserra Capital Management LLC173$50.0K0.00%−226−56.6%Reduced
Principal Securities, Inc.160$46.9K0.00%+160New
TD Waterhouse Canada Inc.150$45.9K0.00%+8+5.6%Added
Massmutual Trust Co FSB134$39.2K0.00%+43+47.3%Added
Global X Japan Co., Ltd.133$38.9K0.02%+133New
Central Trust Co125$36.6K0.00%−72−36.5%Reduced
HM Payson & Co110$32.2K0.00%00.0%Unchanged
Parallel Advisors, LLC110$32.2K0.00%+67+155.8%Added
First Horizon Advisors, Inc.108$31.9K0.00%−25−18.8%Reduced
Bartlett & Co. LLC100$30.0K0.00%00.0%Unchanged
Bartlett & Co. Wealth Management LLC100$29.6K0.00%00.0%Unchanged
Lindbrook Capital, LLC96$28.1K0.00%+39+68.4%Added
Rakuten Investment Management, Inc.94$27.9K0.00%+94New
Allworth Financial LP94$27.5K0.00%+73+347.6%Added
CNB Bank92$26.9K0.01%00.0%Unchanged
Global Retirement Partners, LLC99$26.7K0.00%−58−36.9%Reduced
Custom Portfolio Group LLC75$22.0K0.02%+75New
Semmax Financial Advisors Inc.88$19.3K0.01%−1−1.1%Reduced
Steward Partners Investment Advisory, LLC66$19.3K0.00%00.0%Unchanged
GWM Advisors LLC63$18.5K0.00%+45+250.0%Added
Sugarloaf Wealth Management, LLC62$18.2K0.00%00.0%Unchanged
Parkside Financial Bank & Trust59$17.3K0.00%−13−18.1%Reduced
Quarry LP59$17.3K0.01%+59New
Huntington National Bank58$17.0K0.00%−6−9.4%Reduced
Roble, Belko & Company, Inc55$16.0K0.00%00.0%Unchanged
Whittier Trust Co of Nevada Inc50$14.6K0.00%00.0%Unchanged
Federation des caisses Desjardins du Quebec48$14.1K0.00%00.0%Unchanged
Parallax Volatility Advisers, L.P.48$14.1K0.00%+48New
Ronald Blue Trust, Inc.65$13.0K0.00%+64+6,400.0%Added
Johnson Financial Group, Inc.43$12.6K0.00%+43New
Oakworth Capital, Inc.41$12.0K0.00%+41New
Smithfield Trust Co43$12.0K0.00%00.0%Unchanged
Turtle Creek Wealth Advisors, LLC40$11.7K0.00%+40New
Livforsakringsbolaget Skandia, Omsesidigt36$10.5K0.00%00.0%Unchanged
Lee Financial Co35$10.3K0.00%−7−16.7%Reduced
Farther Finance Advisors, LLC35$10.3K0.00%+4+12.9%Added
West Branch Capital LLC34$9.96K0.00%00.0%Unchanged
Glassman Wealth Services33$9.66K0.00%+5+17.9%Added
MV Capital Management, Inc.31$9.08K0.00%+13+72.2%Added
C M Bidwell & Associates Ltd29$8.49K0.01%00.0%Unchanged
Umb Bank N A27$7.91K0.00%−4−12.9%Reduced
Farmers & Merchants Investments Inc25$7.32K0.00%00.0%Unchanged
Rothschild Investment LLC25$7.32K0.00%+25New
Investors Research Corp22$6.44K0.00%00.0%Unchanged
Private Wealth Management Group, LLC22$6.44K0.00%+22New
LGT Financial Advisors LLC21$6.15K0.01%00.0%Unchanged
Hantz Financial Services, Inc.19$6.00K0.00%00.0%Unchanged
JJJ Advisors Inc.19$5.57K0.00%−60−75.9%Reduced
Ranger Investment Management, L.P.19$5.56K0.00%00.0%Unchanged
Able Wealth Management LLC19$5.56K0.01%+19New
Bessemer Group Inc18$5.00K0.00%−11−37.9%Reduced
Wolff Wiese Magana LLC17$4.98K0.00%00.0%Unchanged
TD Private Client Wealth LLC17$4.98K0.00%−25−59.5%Reduced
Clearstead Advisors, LLC17$4.92K0.00%00.0%Unchanged
JFS Wealth Advisors, LLC16$4.69K0.00%+1+6.7%Added
Quent Capital, LLC15$4.39K0.00%00.0%Unchanged
FinTrust Capital Advisors, LLC14$4.10K0.00%+14New
Eagle Bay Advisors LLC14$4.10K0.00%+14New
Pineridge Advisors LLC14$4.10K0.00%+14New
Venturi Wealth Management, LLC13$3.81K0.00%+4+44.4%Added
EverSource Wealth Advisors, LLC13$3.81K0.00%−201−93.9%Reduced
VitalStone Financial, LLC11$3.00K0.00%00.0%Unchanged
Bear Mountain Capital, Inc.10$2.69K0.00%+10New
Spire Wealth Management10$2.66K0.00%00.0%Unchanged
Harbor Investment Advisory, LLC9$2.64K0.00%00.0%Unchanged
Red Tortoise LLC9$2.64K0.00%00.0%Unchanged
Gradient Investments LLC8$2.34K0.00%00.0%Unchanged
Byrne Asset Management LLC7$2.07K0.00%00.0%Unchanged
Tortoise Investment Management, LLC7$2.05K0.00%00.0%Unchanged
Larson Financial Group LLC7$2.05K0.00%00.0%Unchanged
Benjamin F. Edwards & Company, Inc.7$2.00K0.00%+7New
Zions Bancorporation, N.A.6$1.76K0.00%+1+20.0%Added
SJS Investment Consulting Inc.5$1.47K0.00%+1+25.0%Added
DiNuzzo Private Wealth, Inc.5$1.47K0.00%+5New
Timber Creek Capital Management LLC5$1.46K0.00%−4,523−99.9%Reduced
Assetmark, Inc5$1.46K0.00%00.0%Unchanged
Raffa Wealth Management, LLC5$1.46K0.00%00.0%Unchanged
Healthcare of Ontario Pension Plan Trust Fund5$1.46K0.00%+5New
Cape Investment Advisory, Inc.5$1.46K0.00%+5New
MCF Advisors LLC4$1.17K0.00%00.0%Unchanged
Versant Capital Management, Inc4$1.17K0.00%+1+33.3%Added
Lazard Asset Management LLC6$1.00K0.00%+3+100.0%Added
Dunhill Financial, LLC3$9740.00%+3New
Abound Wealth Management3$8810.00%00.0%Unchanged
Provenance Wealth Advisors, LLC3$8790.00%00.0%Unchanged
Manchester Capital Management LLC3$8790.00%+2+200.0%Added
Rakuten Securities, Inc.3$8790.00%+3New
Sachetta, LLC3$8790.00%+3New
Prestige Wealth Management Group LLC2$5860.00%−7−77.8%Reduced
Harbour Investments, Inc.2$5860.00%−7−77.8%Reduced
SRS Capital Advisors, Inc.2$5860.00%−5−71.4%Reduced
Bell Investment Advisors, Inc2$5860.00%−5−71.4%Reduced
Fairfield, Bush & Co.2$5860.00%+2New
Institutional & Family Asset Management, LLC2$5860.00%+2New
Raleigh Capital Management Inc.2$5860.00%+2New
Colonial Trust Advisors1$2930.00%−1−50.0%Reduced