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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, Q4 2024

Institutional positions in Marketaxess Holdings Inc as of Dec 31, 2024. 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
519
+15 vs. Q3 2024
Shares held
37.7M
+1.49M (+4.1%) vs. Q3 2024
Total value
$8.51B
−$810.2M (−8.7%) vs. Q3 2024
New holders
89
204 more added
Sold out
74
162 more reduced

7 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2024: 519 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 2024: $8.51B
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 2024

Shares, value and share of portfolio for each institution holding Marketaxess Holdings Inc; share changes are against Q3 2024.

Institutions holding MKTX in Q4 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Group One Trading, L.P.229$51.8K0.00%+229New
Amica Retiree Medical Trust229$52.0K0.05%00.0%Unchanged
CVA Family Office, LLC232$52.4K0.01%00.0%Unchanged
Livforsakringsbolaget Skandia, Omsesidigt236$53.3K0.00%00.0%Unchanged
Bank Julius Baer & Co. Ltd, Zurich226$56.3K0.00%−90−28.5%Reduced
Principal Securities, Inc.261$59.0K0.00%+182+230.4%Added
Pilgrim Partners Asia Pte Ltd280$63.3K0.06%+280New
Pinnacle Financial Partners Inc250$64.0K0.00%00.0%Unchanged
Federation des caisses Desjardins du Quebec311$70.3K0.00%−19−5.8%Reduced
Canada Post Corp Registered Pension Plan360$81.4K0.00%+360New
Anchor Investment Management, LLC376$85.0K0.01%−13−3.3%Reduced
IFP Advisors, Inc373$85.3K0.00%−8,769−95.9%Reduced
Ameritas Investment Partners, Inc.399$90.2K0.00%00.0%Unchanged
Colonial Trust Co422$95.4K0.01%+71+20.2%Added
Acadian Asset Management LLC425$96.0K0.00%+425New
Federated Hermes, Inc.462$104.4K0.00%−35−7.0%Reduced
Covestor Ltd463$105.0K0.07%−100−17.8%Reduced
Mather Group, LLC.471$106.5K0.00%+202+75.1%Added
State of Wyoming483$109.2K0.01%+58+13.6%Added
Horizon Investments, LLC515$116.4K0.00%+3+0.6%Added
BI Asset Management Fondsmaeglerselskab A/S545$123.0K0.00%−2,999−84.6%Reduced
South Dakota Investment Council550$124.0K0.00%+150+37.5%Added
MUFG Securities Americas Inc.557$125.9K0.02%+557New
SG Americas Securities, LLC655$148.0K0.00%−20,933−97.0%Reduced
Capstone Investment Advisors, LLC675$152.6K0.00%−2,421−78.2%Reduced
Simplex Trading, LLC697$157.0K0.00%+697New
GAMMA Investing LLC704$159.1K0.01%+202+40.2%Added
Assetmark, Inc754$170.4K0.00%+374+98.4%Added
Northwestern Mutual Wealth Management Co793$179.2K0.00%−889−52.9%Reduced
Vestcor Inc870$197.0K0.01%00.0%Unchanged
Stephens Inc889$200.9K0.00%−2,298−72.1%Reduced
Scientech Research LLC896$202.5K0.06%−1,569−63.7%Reduced
QSV Equity Investors LLC897$202.8K0.19%+6+0.7%Added
Commonwealth Equity Services, LLC906$205.0K0.00%−5,587−86.0%Reduced
111 Capital911$205.9K0.04%+911New
Bank of Nova Scotia Trust Co942$212.9K0.02%−26−2.7%Reduced
Fieldview Capital Management, LLC950$214.7K0.03%+950New
Claret Asset Management Corp992$224.0K0.04%+7+0.7%Added
Marex Group plc994$224.7K0.00%+994New
Investment Management Corp of Ontario1,003$226.7K0.01%−200−16.6%Reduced
Ontario Teachers Pension Plan Board1,025$231.7K0.00%+1,025New
Alliance Wealth Advisors, LLC1,040$235.1K0.06%+1,040New
We Are One Seven, LLC1,048$236.9K0.01%+1,048New
Commerce Bank1,061$239.8K0.00%−1,565−59.6%Reduced
Jones Financial Companies LLLP1,069$241.7K0.00%−105−8.9%Reduced
Gotham Asset Management, LLC1,079$243.9K0.00%+1,079New
Allstate Corp1,081$244.3K0.01%+1,081New
Concurrent Investment Advisors, LLC1,082$244.5K0.01%−46−4.1%Reduced
Davenport & Co LLC1,086$245.5K0.00%−2−0.2%Reduced
Catalyst Funds Management Pty Ltd1,100$248.6K0.06%−100−8.3%Reduced
Versor Investments LP1,102$249.1K0.04%+65+6.3%Added
Pallas Capital Advisors LLC1,142$258.1K0.01%+1,142New
Regions Financial Corp1,161$262.4K0.00%−58−4.8%Reduced
Ostrum Asset Management1,188$268.5K0.02%−1,866−61.1%Reduced
Northwestern Mutual Investment Management Company, LLC1,198$270.8K0.01%+1+0.1%Added
Ci Investments Inc.1,200$271.0K0.00%+588+96.1%Added
HighTower Advisors, LLC1,205$272.4K0.00%+85+7.6%Added
WMS Partners, LLC1,225$276.9K0.02%00.0%Unchanged
EntryPoint Capital, LLC1,236$279.4K0.12%+1,236New
Empirical Finance, LLC1,238$279.8K0.02%−8−0.6%Reduced
Nomura Holdings Inc1,245$281.4K0.00%+1,245New
Optimize Financial Inc1,248$282.1K0.21%+1,248New
Cambridge Investment Research Advisors, Inc.1,260$285.0K0.00%−12,523−90.9%Reduced
Atria Investments LLC1,273$287.7K0.00%+131+11.5%Added
XTX Topco Ltd1,277$288.7K0.02%+1,277New
X-Square Capital, LLC1,280$289.0K0.12%00.0%Unchanged
Asahi Life Asset Management Co., Ltd.1,290$291.6K0.18%+1,290New
Boston Private Wealth LLC1,310$296.1K0.01%+1,310New
V-Square Quantitative Management LLC1,340$302.9K0.04%+52+4.0%Added
Vident Advisory, LLC1,371$309.9K0.01%−60−4.2%Reduced
Tokio Marine Asset Management Co Ltd1,396$315.6K0.01%+127+10.0%Added
Oak Thistle LLC1,418$320.5K0.10%−3,649−72.0%Reduced
Wolverine Trading, LLC1,427$321.5K0.01%+1,427New
Mackenzie Financial Corp1,424$321.9K0.00%+245+20.8%Added
MML Investors Services, LLC1,428$323.0K0.00%+1,428New
M&T Bank Corp1,455$328.9K0.00%−14−1.0%Reduced
Retirement Planning Co of New England, Inc.1,475$333.6K0.16%−101−6.4%Reduced
Horizon Kinetics Asset Management LLC1,494$337.7K0.00%+152+11.3%Added
Equitable Trust Co1,497$338.4K0.02%00.0%Unchanged
Colony Group, LLC1,501$339.3K0.00%+1,501New
Park Avenue Securities LLC1,503$340.0K0.00%+485+47.6%Added
Empowered Funds, LLC1,583$357.8K0.01%+1,583New
Mercer Global Advisors Inc1,589$359.1K0.00%+674+73.7%Added
E. Ohman J:or Asset Management AB1,600$361.7K0.01%00.0%Unchanged
Larson Financial Group LLC1,609$363.6K0.02%+216+15.5%Added
Qtron Investments LLC1,609$363.7K0.05%00.0%Unchanged
Pathstone Holdings, LLC1,623$367.1K0.00%−18−1.1%Reduced
Stevens Capital Management LP1,630$368.0K0.15%+1,630New
Omers Administration Corp1,648$372.5K0.00%+228+16.1%Added
Ethic Inc.1,689$381.9K0.01%−25−1.5%Reduced
Guggenheim Capital LLC1,701$384.5K0.00%+61+3.7%Added
ING Groep NV1,704$385.2K0.00%−199−10.5%Reduced
Custom Index Systems, LLC1,714$387.4K0.21%−304−15.1%Reduced
Norinchukin Bank, The1,720$388.8K0.01%+149+9.5%Added
Allspring Global Investments Holdings, LLC1,731$390.0K0.00%−73−4.0%Reduced
New Mexico Educational Retirement Board1,750$396.0K0.01%−100−5.4%Reduced
Exchange Capital Management, Inc.1,794$405.5K0.06%+29+1.6%Added
LRT Capital Management, LLC1,856$419.5K0.33%−2,548−57.9%Reduced
AdvisorShares Investments LLC1,900$429.5K0.08%00.0%Unchanged
Bryce Point Capital, LLC1,919$433.8K0.13%+1,919New