MarketAxess Holdings Inc. (MKTX) Insider Trading
Over the last 3 months, MKTX insiders made 0 open-market buys and 3 sales, a net sale of -$43K (SEC Form 4). Over the last 6 months, 365 institutions increased and 336 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
3
Net (3m)
-$43.5K
Insider trades by month Buys Sells
Jan
Feb
Mar
Apr
May
Jun
Context3-month price -31.2%Institutions mixed (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jun 12, 2026 | Cruger William Frank Jr.director | Grant | 1,390 | — |
| Jun 12, 2026 | Gibson Kourtneydirector | Grant | 1,390 | — |
| Jun 12, 2026 | Begleiter Steven Ldirector | Grant | 1,390 | — |
| Jun 12, 2026 | Altobello Nancy A.director | Grant | 1,390 | — |
| Jun 12, 2026 | Pintoff Scottofficer: General Counsel and Secretary | Sell | 100 | $116.03 |
| Jun 12, 2026 | HERNANDEZ CARLOS MAURICIOdirector | Grant | 2,616 | — |
| Jun 12, 2026 | Hoornweg Robertodirector | Grant | 1,390 | — |
| Jun 12, 2026 | Cifu Douglas Adirector | Grant | 1,390 | — |
| Jun 12, 2026 | SCHICIANO KENNETH Tdirector | Grant | 1,390 | — |
| Jun 12, 2026 | KETCHUM RICHARD Gdirector | Grant | 1,390 | — |
| Jun 12, 2026 | Portney Emily Hopedirector | Grant | 1,390 | — |
| Jun 12, 2026 | Chwick Janedirector | Grant | 1,390 | — |
| May 11, 2026 | Pintoff Scottofficer: General Counsel and Secretary | Sell | 100 | $146.99 |
| May 4, 2026 | Quan Williamofficer: Chief Technology Officer | Grant | 218 | — |
| Apr 10, 2026 | Pintoff Scottofficer: General Counsel and Secretary | Sell | 100 | $171.96 |
| Apr 6, 2026 | CONCANNON CHRISTOPHER Rdirector, officer: Chief Executive Officer | Tax | 349 | $171.46 |
| Mar 10, 2026 | Pintoff Scottofficer: General Counsel and Secretary | Sell | 100 | $184.93 |
| Mar 2, 2026 | SCHICIANO KENNETH Tdirector | Grant | 259 | — |
| Mar 2, 2026 | Cifu Douglas Adirector | Grant | 259 | — |
| Mar 2, 2026 | Panchal Naineshkumar Shantilalofficer: Chief Information Officer | Tax | 1,470 | $192.00 |
| Feb 17, 2026 | Panchal Naineshkumar Shantilalofficer: Chief Information Officer | Tax | 159 | $179.36 |
| Feb 17, 2026 | Fiszel Bieler Ileneofficer: Chief Financial Officer | Tax | 439 | $179.36 |
| Feb 17, 2026 | Panchal Naineshkumar Shantilalofficer: Chief Information Officer | Grant | 394 | — |
| Feb 17, 2026 | Panchal Naineshkumar Shantilalofficer: Chief Information Officer | Tax | 1,016 | $179.36 |
| Feb 17, 2026 | Fiszel Bieler Ileneofficer: Chief Financial Officer | Grant | 5,005 | — |
| Feb 17, 2026 | CONCANNON CHRISTOPHER Rdirector, officer: Chief Executive Officer | Grant | 1,696 | — |
| Feb 17, 2026 | Panchal Naineshkumar Shantilalofficer: Chief Information Officer | Grant | 3,239 | — |
| Feb 17, 2026 | CONCANNON CHRISTOPHER Rdirector, officer: Chief Executive Officer | Tax | 1,750 | $179.36 |
| Feb 17, 2026 | CONCANNON CHRISTOPHER Rdirector, officer: Chief Executive Officer | Grant | 6,588 | — |
| Feb 17, 2026 | Pintoff Scottofficer: General Counsel and Secretary | Tax | 208 | $179.36 |
Source: MKTX SEC Form 4 filings, latest Jun 12, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their MKTX positions over the last 6 months (SEC Form 13F).
Increased
365
New positions
151
Reduced
336
Sold out
164
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| BLACKROCK, INC. | Increased | 4.1M | May 13, 2026 |
| VANGUARD GROUP INC | Reduced | 3.8M | Jan 29, 2026 |
| BLACKROCK, INC. | Increased | 3.7M | Feb 12, 2026 |
| PRIMECAP MANAGEMENT CO/CA/ | Increased | 3.3M | May 11, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 3.2M | May 15, 2026 |
| PRIMECAP MANAGEMENT CO/CA/ | Increased | 3.2M | Feb 11, 2026 |
| AQR CAPITAL MANAGEMENT LLC | Increased | 2.7M | May 15, 2026 |
| AQR CAPITAL MANAGEMENT LLC | Increased | 2.6M | Feb 17, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 2.2M | May 8, 2026 |
| FMR LLC | Reduced | 2.0M | Feb 17, 2026 |
| NORTH REEF CAPITAL MANAGEMENT LP | Increased | 1.9M | May 15, 2026 |
| NORTH REEF CAPITAL MANAGEMENT LP | Increased | 1.6M | Feb 17, 2026 |
| FMR LLC | Reduced | 1.5M | May 15, 2026 |
| STATE STREET CORP | Increased | 1.3M | May 15, 2026 |
| STATE STREET CORP | Reduced | 1.2M | Feb 13, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.