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; 399 institutions reported holding it in 13F filings for Q2 2026, worth $4.44B in total; no superinvestor holds it.
Key figures
- Market capClose on Nov 11, 2026
- $5.82B
- Insider buysOpen market, last 90 days
- 0
- Insider sellsLast 90 days, $1.06M in total
- 4
- 13F holdersQ2 2026, −49 vs. previous quarter
- 399
- 13F valueReported value at the end of Q2 2026
- $4.44B
- Superinvestors holdingAt the end of Q2 2026
- 0
Price chart
Financials
See financial statementsFrom SEC filings, in USD.
- Revenue, FY2025
- $846.3M
- +3.6% year over year
- Net income, FY2025
- $246.6M
- −10.0% year over year
- Free cash flow, FY2025
- $373.9M
- −0.4% year over year
- Revenue, Q3 FY2026
- $210.4M
- +0.8% year over year
Revenue flow, FY2025
Green is profit; orange is costs, expenses and taxes. Percentages are shares of revenue.
Short interest
See short dataFrom FINRA, settlement date Oct 30, 2026.
- Short interest
- 3.93M
- Shares sold short
- Change
- +492.1K
- +14.3% vs. previous
- Days to cover
- 4.43
- At average daily volume
Superinvestors holding MKTX, Q2 2026
Go to the superinvestors tabNo superinvestor reported holding MKTX at the end of Q2 2026.
Latest insider trades
See all insider tradesOpen-market purchases and sales by Marketaxess Holdings Inc insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Nov 10, 2026 (view filing)4:15 PM ET | Nov 10 | Same day | Pintoff ScottGeneral Counsel and Secretary | SSaleCommon Stock, par value $0.003 per share | −100 | $164.80 | −$16.5K | −0.9%11.3K after | 10b5-1 |
| Oct 13, 2026 (view filing)4:15 PM ET | Oct 12 | 1 day | Pintoff ScottGeneral Counsel and Secretary | SSaleCommon Stock, par value $0.003 per share | −100 | $164.65 | −$16.5K | −0.9%11.4K after | 10b5-1 |
| Sep 11, 2026 (view filing)4:15 PM ET | Sep 10 | 1 day | Pintoff ScottGeneral Counsel and Secretary | SSaleCommon Stock, par value $0.003 per share | −100 | $163.32 | −$16.3K | −0.9%11.5K after | 10b5-1 |
| Sep 11, 2026 (view filing)4:15 PM ET | Sep 10 | 1 day | Cruger William Frank Jr.Director | SSaleCommon Stock, par value $0.003 per share | −6.16K | $163.20 | −$1.01M | −60.4%4.03K after | |
| Aug 10, 2026 (view filing)4:15 PM ET | Aug 10 | Same day | Pintoff ScottGeneral Counsel and Secretary | SSaleCommon Stock, par value $0.003 per share | −100 | $162.60 | −$16.3K | −0.9%11.6K after | 10b5-1 |
| Jul 10, 2026 (view filing)4:15 PM ET | Jul 10 | Same day | Pintoff ScottGeneral Counsel and Secretary | SSaleCommon Stock, par value $0.003 per share | −100 | $115.12 | −$11.5K | −0.8%11.7K after | 10b5-1 |
| Jun 12, 2026 (view filing) | Jun 10 | 2 days | Pintoff ScottGeneral Counsel and Secretary | SSaleCommon Stock, par value $0.003 per share | −100 | $116.03 | −$11.6K | −0.8%11.8K after | 10b5-1 |
| May 11, 2026 (view filing) | May 11 | Same day | Pintoff ScottGeneral Counsel and Secretary | SSaleCommon Stock, par value $0.003 per share | −100 | $146.99 | −$14.7K | −0.8%11.9K after | 10b5-1 |
| Apr 10, 2026 (view filing) | Apr 10 | Same day | Pintoff ScottGeneral Counsel and Secretary | SSaleCommon Stock, par value $0.003 per share | −100 | $171.96 | −$17.2K | −0.8%12.0K after | 10b5-1 |
| Mar 10, 2026 (view filing) | Mar 10 | Same day | Pintoff ScottGeneral Counsel and Secretary | SSaleCommon Stock, par value $0.003 per share | −100 | $184.93 | −$18.5K | −0.8%12.1K after | 10b5-1 |
Top 10 13F holders, Q2 2026
See all 399 holdersThe largest institutional positions in Marketaxess Holdings Inc at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 3,999,836 | $453.9M | 0.01% | −75,318−1.8% | Reduced |
| Primecap Management Co | 3,504,905 | $397.8M | 0.24% | +157,780+4.7% | Added |
| North Reef Capital Management LP | 3,395,000 | $385.3M | 14.77% | +1,520,000+81.1% | Added |
| Vanguard Portfolio Management LLC | 2,100,273 | $238.4M | 0.01% | −63,398−2.9% | Reduced |
| AQR Capital Management LLC | 1,987,288 | $222.8M | 0.08% | −696,457−26.0% | Reduced |
| Vanguard Capital Management LLC | 1,546,670 | $175.5M | 0.00% | −62,589−3.9% | Reduced |
| FMR LLC | 1,404,998 | $159.5M | 0.01% | −114,423−7.5% | Reduced |
| State Street Corp | 1,281,769 | $145.4M | 0.00% | +912+0.1% | Added |
| Neuberger Berman Group LLC | 1,229,929 | $139.6M | 0.09% | +263,900+27.3% | Added |
| Goldman Sachs Group Inc | 1,031,309 | $117.0M | 0.01% | +522,266+102.6% | Added |
Holders of 5% or more of MKTX
See all 5 holders and filingsHolders whose latest Schedule 13D or 13G filing reports 5% or more of Marketaxess Holdings Inc.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | 13G/A | 10.90%4.03M shares | +1.00 ppfrom 9.90% | Apr 17, 20254 filings | Feb 6, 2026 | SEC |
| North Reef Capital Management LP | 13G/A | 9.55%3.40M shares | +4.28 ppfrom 5.27% | May 15, 20262 filings | Aug 14, 2026 | SEC |
| Primecap Management Co | 13G/A | 7.00%2.46M shares | −2.86 ppfrom 9.86% | Nov 13, 20254 filings | Nov 5, 2026 | SEC |
| Vanguard Portfolio Management LLC | 13G | 6.09%2.17M shares | New | Apr 29, 20261 filing | Apr 29, 2026 | SEC |
| Vanguard Capital Management LLC | 13G | 5.32%1.89M shares | New | Apr 30, 20261 filing | Apr 30, 2026 | SEC |
Politician trades
All politician trades in MKTX5 members of Congress reported 14 trades in Marketaxess Holdings Inc since 2020. Newest filings:
| Filed | Politician | Type | Amount |
|---|---|---|---|
| May 19, 2026 |  Josh Gottheimer House · NJ | Sell | $1K-$15K |
| Mar 12, 2025 |  Julie Johnson House · TX | Sell | $1K-$15K |
| Feb 12, 2025 | Julie Johnson House · TX | Buy | $1K-$15K |
| Aug 13, 2023 |  Daniel S. Goldman House · NY | Sell | $1K-$15K |
| May 19, 2023 | Daniel S. Goldman House · NY | Buy | $1K-$15K |
House · NJ · May 19, 2026
Sell$1K-$15K
House · TX · Mar 12, 2025
Sell$1K-$15K
House · TX · Feb 12, 2025
Buy$1K-$15K
House · NY · Aug 13, 2023
Sell$1K-$15K
House · NY · May 19, 2023
Buy$1K-$15K