Marketaxess Holdings Inc

MKTX

Exchange: Nasdaq
Industry: Security Brokers, Dealers & Flotation Companies
SEC CIK: 0001278021

SEC filings (opens in a new tab)

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 2021

Institutional positions in Marketaxess Holdings Inc as of Mar 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: 589; No complete 13F data for Q4 2020
Shares held: 35.5M; No complete 13F data for Q4 2020
Total value: $17.7B; No complete 13F data for Q4 2020

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 2021: 589 institutions

Value heldQ1 2021: $17.7B

Institutions holding MKTX and their total value by quarter
Quarter	Holders	Value
Q2 2026	397	$4.44B
Q1 2026	452	$6.31B
Q4 2025	487	$6.62B
Q3 2025	452	$6.21B
Q2 2025	531	$8.24B
Q1 2025	511	$8.05B
Q4 2024	519	$8.51B
Q3 2024	511	$9.42B
Q2 2024	468	$7.48B
Q1 2024	463	$8.14B
Q4 2023	506	$10.9B
Q3 2023	485	$7.98B
Q2 2023	514	$9.88B
Q1 2023	540	$14.5B
Q4 2022	500	$10.3B
Q3 2022	479	$8.19B
Q2 2022	505	$9.28B
Q1 2022	506	$12.4B
Q4 2021	505	$15.0B
Q3 2021	508	$15.3B
Q2 2021	551	$16.8B
Q1 2021	589	$17.7B

Institutions, Q1 2021

Shares, value and share of portfolio for each institution holding Marketaxess Holdings Inc.

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.

Institutions holding MKTX in Q1 2021
Institution	Shares	Value	% of portfolio	Change in shares	Action
Campbell Newman Asset Management Inc	2,511	$1.25M	0.13%	–	–
Natixis	2,538	$1.26M	0.00%	–	–
First Hawaiian Bank	2,557	$1.27M	0.06%	–	–
Cavalier Investments, LLC	2,579	$1.28M	0.56%	–	–
Decatur Capital Management, Inc.	2,608	$1.30M	0.45%	–	–
Sumitomo Mitsui DS Asset Management Company, Ltd	2,638	$1.31M	0.03%	–	–
SRN Advisors, LLC	2,663	$1.33M	0.47%	–	–
Tower Research Capital LLC (TRC)	2,685	$1.34M	0.02%	–	–
Maryland State Retirement & Pension System	2,820	$1.40M	0.05%	–	–
HighTower Advisors, LLC	2,912	$1.42M	0.00%	–	–
Mirae Asset Global Investments Co., Ltd.	2,968	$1.48M	0.01%	–	–
Federation des caisses Desjardins du Quebec	3,066	$1.53M	0.02%	–	–
Signature Estate & Investment Advisors LLC	3,097	$1.54M	0.08%	–	–
Banque Cantonale Vaudoise	3,100	$1.54M	0.08%	–	–
Donoghue Forlines LLC	3,172	$1.58M	0.31%	–	–
Central Trust Co	3,182	$1.58M	0.06%	–	–
Chartwell Investment Partners, LLC	3,210	$1.60M	0.05%	–	–
Congress Asset Management Co	3,216	$1.60M	0.01%	–	–
Banco Santander, S.A.	3,237	$1.61M	0.01%	–	–
Catalyst Capital Advisors LLC	3,280	$1.63M	0.09%	–	–
DekaBank Deutsche Girozentrale	3,411	$1.68M	0.01%	–	–
Rockefeller Capital Management L.P.	3,396	$1.69M	0.01%	–	–
Securian Asset Management, Inc	3,419	$1.70M	0.04%	–	–
Optimal Asset Management, Inc.	3,432	$1.71M	0.22%	–	–
People's United Financial, Inc.	3,459	$1.72M	0.04%	–	–
Van Eck Associates Corp	3,555	$1.77M	0.00%	–	–
Bradley Mark J.	3,566	$1.78M	1.20%	–	–
Tributary Capital Management, LLC	3,600	$1.79M	0.14%	–	–
STRS Ohio	3,616	$1.80M	0.01%	–	–
Employees Retirement System of Texas	3,622	$1.80M	0.02%	–	–
AlphaCrest Capital Management LLC	3,676	$1.83M	0.10%	–	–
Vident Investment Advisory, LLC	3,677	$1.83M	0.06%	–	–
Avitas Wealth Management LLC	3,681	$1.83M	0.36%	–	–
SG Americas Securities, LLC	3,734	$1.86M	0.01%	–	–
First Washington CORP	3,778	$1.88M	0.74%	–	–
Public Sector Pension Investment Board	3,780	$1.88M	0.01%	–	–
Lazard Asset Management LLC	3,903	$1.94M	0.00%	–	–
IFM Investors Pty Ltd	3,905	$1.94M	0.05%	–	–
Marks Group Wealth Management, Inc	4,179	$1.96M	0.29%	–	–
Wealthfront Advisers LLC	3,941	$1.96M	0.01%	–	–
Bridgeway Capital Management, LLC	3,960	$1.97M	0.04%	–	–
Hedeker Wealth, LLC	3,966	$1.97M	0.69%	–	–
Twin Capital Management Inc	4,035	$2.01M	0.20%	–	–
Terry L. Blaker	4,046	$2.02M	0.13%	–	–
Raymond James Financial Services Advisors, Inc.	4,061	$2.03M	0.00%	–	–
OPSEU Pension Plan Trust Fund	4,009	$2.03M	0.53%	–	–
Skylands Capital, LLC	4,150	$2.07M	0.26%	–	–
Paloma Partners Management Co	4,163	$2.07M	0.06%	–	–
Nissay Asset Management Corp	4,259	$2.12M	0.02%	–	–
Brinker Capital Investments, LLC	4,261	$2.12M	0.03%	–	–
Shell Asset Management Co	4,268	$2.13M	0.04%	–	–
Paragon Advisors, LLC	4,372	$2.18M	1.19%	–	–
Brown Capital Management LLC	4,424	$2.20M	0.02%	–	–
Macquarie Group Ltd	4,489	$2.24M	0.00%	–	–
Taikang Asset Management (Hong Kong) Co Ltd	4,507	$2.24M	0.42%	–	–
Royce & Associates LP	4,581	$2.28M	0.02%	–	–
Security Asset Management	4,647	$2.31M	0.95%	–	–
Commonwealth of Pennsylvania Public School Empls Retrmt Sys	4,752	$2.37M	0.03%	–	–
Arcadia Investment Management Corp	4,770	$2.38M	0.48%	–	–
Mackenzie Financial Corp	4,823	$2.40M	0.00%	–	–
Thrivent Financial for Lutherans	4,830	$2.40M	0.01%	–	–
Mutual of America Capital Management LLC	4,893	$2.44M	0.03%	–	–
Federated Hermes, Inc.	4,930	$2.45M	0.00%	–	–
The PNC Financial Services Group, Inc.	4,940	$2.46M	0.00%	–	–
Horizon Kinetics Asset Management LLC	5,000	$2.49M	0.06%	–	–
Connor, Clark & Lunn Investment Management Ltd.	5,165	$2.57M	0.01%	–	–
Qube Research & Technologies Ltd	5,381	$2.68M	0.04%	–	–
Guggenheim Capital LLC	5,465	$2.72M	0.02%	–	–
Xponance, Inc.	5,464	$2.72M	0.06%	–	–
GAM Holding AG	5,711	$2.84M	0.13%	–	–
Fred Alger Management, LLC	5,746	$2.86M	0.01%	–	–
Seeyond	5,818	$2.90M	0.29%	–	–
Timber Creek Capital Management LLC	5,869	$2.92M	1.12%	–	–
Voloridge Investment Management, LLC	6,037	$3.01M	0.02%	–	–
Hartford Investment Management Co	6,103	$3.04M	0.08%	–	–
British Columbia Investment Management Corp	6,229	$3.10M	0.02%	–	–
Mackay Shields LLC	6,300	$3.14M	0.02%	–	–
Atria Investments LLC	6,320	$3.15M	0.07%	–	–
Texas Permanent School Fund	6,346	$3.16M	0.04%	–	–
Crossmark Global Holdings, Inc.	6,358	$3.17M	0.08%	–	–
Blair William & Co	6,455	$3.21M	0.01%	–	–
Bokf, NA	6,500	$3.24M	0.06%	–	–
Metropolitan Life Insurance Co	6,510	$3.24M	0.05%	–	–
EFG Asset Management (Americas) Corp.	6,634	$3.30M	0.68%	–	–
Skandinaviska Enskilda Banken AB (publ)	6,693	$3.33M	0.02%	–	–
Kornitzer Capital Management Inc	6,755	$3.36M	0.05%	–	–
State of Tennessee, Treasury Department	6,756	$3.36M	0.01%	–	–
Handelsbanken Fonder AB	6,944	$3.46M	0.02%	–	–
Utah Retirement Systems	7,012	$3.49M	0.05%	–	–
CIBC Asset Management Inc	7,058	$3.51M	0.01%	–	–
Banco Bilbao Vizcaya Argentaria, S.A.	7,649	$3.81M	0.08%	–	–
Swiss Life Asset Management Ltd	7,663	$3.82M	0.05%	–	–
MML Investors Services, LLC	7,817	$3.89M	0.04%	–	–
PDT Partners, LLC	7,907	$3.94M	0.28%	–	–
Bank of Nova Scotia	7,930	$3.95M	0.01%	–	–
Epoch Investment Partners, Inc.	8,058	$4.01M	0.02%	–	–
Gulf International Bank (UK) Ltd	8,151	$4.06M	0.06%	–	–
Achmea Investment Management B.V.	8,230	$4.10M	0.14%	–	–
Marshall Wace North America L.P.	8,350	$4.16M	0.02%	–	–
TownSquare Capital, LLC	8,382	$4.17M	0.16%	–	–