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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 2021

Institutional positions in Marketaxess Holdings Inc as of Dec 31, 2021. 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
505
+4 vs. Q3 2021
Shares held
36.6M
+89.3K (+0.2%) vs. Q3 2021
Total value
$15.0B
−$313.2M (−2.0%) vs. Q3 2021
New holders
81
179 more added
Sold out
77
188 more reduced

7 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2021: 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 2021: 505 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 2021: $15.0B
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 2021

Shares, value and share of portfolio for each institution holding Marketaxess Holdings Inc; share changes are against Q3 2021.

Institutions holding MKTX in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Vanguard Group Inc4,159,090$1.71B0.04%+22,853+0.6%Added
Price T Rowe Associates Inc3,668,968$1.51B0.14%+8,657+0.2%Added
BlackRock Inc.3,563,993$1.47B0.04%+54,516+1.6%Added
State Street Corp1,855,349$763.0M0.04%+37,878+2.1%Added
Baillie Gifford & Co1,758,918$723.4M0.40%+4,404+0.3%Added
Ownership Capital B.V.1,324,169$544.6M5.90%+86,977+7.0%Added
Guardcap Asset Management Ltd1,213,314$499.0M6.20%+29,913+2.5%Added
Royal Bank of Canada1,161,884$477.8M0.12%+62,409+5.7%Added
Allspring Global Investments Holdings, LLC1,094,814$450.3M0.50%+1,094,814New
Wellington Management Group LLP930,972$382.9M0.06%+113,536+13.9%Added
Geode Capital Management, LLC805,955$330.7M0.04%+15,447+2.0%Added
Macquarie Group Ltd711,093$292.5M0.24%+50,284+7.6%Added
Kayne Anderson Rudnick Investment Management LLC628,854$258.6M0.60%−70,020−10.0%Reduced
JPMorgan Chase & Co628,749$258.6M0.03%−207,924−24.9%Reduced
Invesco Ltd.522,483$214.9M0.05%+56,876+12.2%Added
Primecap Management Co464,190$190.9M0.13%+15,030+3.3%Added
Northern Trust Corp399,575$164.3M0.03%−6,084−1.5%Reduced
Neuberger Berman Group LLC396,629$160.7M0.13%−7,166−1.8%Reduced
Allianz Asset Management GmbH380,485$156.5M0.11%−13,995−3.5%Reduced
FMR LLC372,840$153.3M0.01%+261,155+233.8%Added
Alliancebernstein L.P.343,390$141.2M0.05%−30,604−8.2%Reduced
Norges Bank341,855$140.6M0.03%−2,991−0.9%Reduced
Bamco Inc294,391$121.1M0.26%−14,704−4.8%Reduced
Bank of New York Mellon Corp283,892$116.8M0.02%+15,322+5.7%Added
California Public Employees Retirement System281,942$116.0M0.08%−3,101−1.1%Reduced
APG Asset Management N.V.316,789$114.6M0.19%−13,963−4.2%Reduced
Bank Julius Baer & Co. Ltd, Zurich262,932$108.1M0.58%+12,043+4.8%Added
Legal & General Group Plc255,771$105.2M0.03%−22,762−8.2%Reduced
Eagle Asset Management Inc254,694$105.1M0.46%−14,754−5.5%Reduced
Goldman Sachs Group Inc232,017$95.4M0.02%+92,362+66.1%Added
Ardevora Asset Management LLP199,905$82.2M0.88%+40,100+25.1%Added
Charles Schwab Investment Management Inc198,232$81.5M0.02%+6,511+3.4%Added
UBS Asset Management Americas Inc177,595$73.0M0.03%−4,136−2.3%Reduced
Dimensional Fund Advisors LP172,038$70.8M0.02%−7,558−4.2%Reduced
Stephens Investment Management Group LLC170,200$70.0M0.90%+6,284+3.8%Added
Van Berkom & Associates Inc.168,809$69.4M2.05%−2,694−1.6%Reduced
TD Asset Management Inc154,758$63.6M0.05%+38,866+33.5%Added
Nuveen Asset Management, LLC152,145$62.6M0.02%−14,633−8.8%Reduced
Kames Capital plc150,946$62.1M0.80%+410.0%Added
Manufacturers Life Insurance Company, The135,923$55.9M0.03%−4,452−3.2%Reduced
Franklin Resources Inc135,918$55.9M0.02%−275,440−67.0%Reduced
Keybank National Association135,693$55.8M0.22%−6,835−4.8%Reduced
Source Financial Advisors LLC130,196$53.5M14.45%−90.0%Reduced
Amundi142,079$51.7M0.03%+82,458+138.3%Added
Bank of America Corp121,468$50.0M0.01%−5,811−4.6%Reduced
Parametric Portfolio Associates LLC111,898$46.0M0.02%+24,693+28.3%Added
Sumitomo Mitsui Trust Holdings, Inc.111,190$45.7M0.03%−4,683−4.0%Reduced
Deutsche Bank AG109,275$44.9M0.02%−2,134−1.9%Reduced
Ensign Peak Advisors, Inc102,139$42.0M0.08%+38,097+59.5%Added
Wells Fargo & Company102,074$42.0M0.01%−1,113,827−91.6%Reduced
Bahl & Gaynor Inc100,344$41.3M0.23%−1,237−1.2%Reduced
RMB Capital Management, LLC99,594$41.0M1.24%+22,948+29.9%Added
Barclays PLC97,176$40.0M0.02%+9,338+10.6%Added
Renaissance Technologies LLC91,783$37.7M0.05%−93,690−50.5%Reduced
Bank of Montreal89,762$37.2M0.02%−8,385−8.5%Reduced
Peregrine Capital Management LLC89,641$36.9M0.74%+7,708+9.4%Added
Raymond James & Associates89,601$36.9M0.03%+30,105+50.6%Added
Mitsubishi UFJ Trust & Banking Corp87,243$35.9M0.07%−6,816−7.2%Reduced
Scout Investments, Inc.83,336$34.3M0.50%+54,716+191.2%Added
Fiera Capital Corp82,395$33.9M0.08%+17,819+27.6%Added
Morgan Stanley81,510$33.5M0.00%−26,635−24.6%Reduced
Tandem Investment Advisors, Inc.78,956$32.5M2.11%+78,956New
Parnassus Investments77,751$32.0M0.06%+9,088+13.2%Added
Rhumbline Advisers74,818$30.8M0.04%+186+0.2%Added
Burgundy Asset Management Ltd.71,246$29.3M0.29%+918+1.3%Added
Caisse de Depot Et Placement du Quebec69,953$28.8M0.06%+4,547+7.0%Added
Credit Suisse AG69,459$28.6M0.02%−3,279−4.5%Reduced
UBS Group AG69,204$28.5M0.01%+2,046+3.0%Added
Man Group plc67,336$27.7M0.09%+31,886+89.9%Added
California State Teachers Retirement System66,671$27.4M0.03%+736+1.1%Added
Hyperion Asset Management Ltd64,562$26.6M1.04%+30,049+87.1%Added
Wasatch Advisors Inc64,254$26.4M0.11%+63,155+5,746.6%Added
Millennium Management LLC62,781$25.8M0.03%+28,195+81.5%Added
Epoch Investment Partners, Inc.62,682$25.8M0.13%−602−1.0%Reduced
Ashford Capital Management Inc61,979$25.5M2.54%+10,911+21.4%Added
Balyasny Asset Management LLC61,840$25.4M0.11%+61,840New
D. E. Shaw & Co., Inc.59,558$24.5M0.03%+54,223+1,016.4%Added
Westpac Banking Corp56,440$23.4M0.24%+20,344+56.4%Added
Principal Financial Group Inc53,768$22.1M0.01%−1,202−2.2%Reduced
New York State Common Retirement Fund53,718$22.1M0.02%−1,575−2.8%Reduced
State Board of Administration of Florida Retirement System50,179$20.6M0.04%−530−1.0%Reduced
Citigroup Inc49,611$20.4M0.02%+3,878+8.5%Added
Envestnet Asset Management Inc47,824$19.7M0.01%−5,139−9.7%Reduced
Public Employees Retirement Association of Colorado47,436$19.5M0.08%−2,103−4.2%Reduced
AXA S.A.44,038$18.1M0.05%−26,315−37.4%Reduced
HSBC Holdings PLC43,846$18.1M0.02%−10,196−18.9%Reduced
Copeland Capital Management, LLC43,721$18.0M0.47%+354+0.8%Added
Weitz Investment Management, Inc.SuperinvestorWeitz Investment Management42,800$17.6M0.71%+2,000+4.9%Added
New York State Teachers Retirement System41,268$17.0M0.03%+27+0.1%Added
Voya Investment Management LLC40,816$16.8M0.03%−124,322−75.3%Reduced
Adage Capital Partners GP, L.L.C.40,550$16.7M0.03%+800+2.0%Added
Baird Financial Group, Inc.39,913$16.4M0.04%+30,988+347.2%Added
Citadel Advisors LLC39,804$16.4M0.02%−11,659−22.7%Reduced
Retirement Systems of Alabama36,871$15.2M0.05%+23,821+182.5%Added
2Xideas AG35,310$14.5M0.88%+10,495+42.3%Added
Unigestion Holding SA34,821$14.3M0.58%−2,461−6.6%Reduced
Reynders McVeigh Capital Management, LLC34,492$14.2M0.80%−549−1.6%Reduced
Forte Capital LLC34,251$14.1M1.78%−1,464−4.1%Reduced
Eaton Vance Management34,023$14.0M0.02%+37+0.1%Added
Lakehouse Capital Pty Ltd32,326$13.3M7.47%+2,429+8.1%Added