§ FINANCIAL SERVICES
USD · Financial ServicesMKTX
MARKETAXESS HOLDINGS INC
USDSector · Financial ServicesBeta · 1.02
§ 01 · PRICE
Price action
1D5D1M6MYTD1YMAX
§ 03 · SIGNAL STACK · WHAT THE INPUTS SAY
13F FLOW
200 increased/new, 167 decreased/exited (13F)
AC 13F Analysis
§ 04 · FUNDAMENTALS · THE BOOKS
| P/E | 24.7 | P/B | 5.88 |
| EPS (TTM) | 6.66 | Dividend | 1.90% |
§ 05 · WHO OWNS IT
Top institutional holders
| Fund | Shares | % port | Δ Q/Q |
|---|---|---|---|
| BlackRock, Inc. | 4.1M | 0.0% | +9% |
| PRIMECAP MANAGEMENT CO/CA/ | 3.3M | 0.4% | +5% |
| AQR Capital Management | 2.7M | 0.2% | +5% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 2.2M | n/a | n/a |
| North Reef Capital Management LP | 1.9M | 10.6% | +17% |
| VANGUARD CAPITAL MANAGEMENT LLC | 1.6M | n/a | n/a |
◇ AC INTELLIGENCE
Top institutional owners for MKTX as of the most recent 13F reporting period (Q1 2026 · Period ended Mar 31). Δ Q/Q reflects share-count change vs. the prior filing — positive green means adding, negative red means trimming. Cross-reference with the ownership-mix bars below to see which strategy cohort is driving the flow.
§ 06 · WHO OWNS IT · BY STRATEGY
OTHER53.2% · 328 holders
QUALITY / COMPOUNDER21.5% · 22 holders
PASSIVE / INDEX15.8% · 10 holders
DEALER / BANK15.1% · 40 holders
TACTICAL / MACRO3.8% · 4 holders
INCOME / DEFENSIVE2.8% · 33 holders
SYSTEMATIC / QUANT1.9% · 11 holders
GROWTH / MOMENTUM0.1% · 1 holder
ACTIVIST0.0% · 1 holder
DEEP VALUE0.0% · 1 holder
◇ AC INTELLIGENCE
Ownership mix by behavioral cohort. Top bars indicate which style of capital dominates the float — passive indexing, quality compounders, dealer/bank, systematic quant, etc. Big quality-compounder share means concentrated active conviction; heavy passive share means flows are dictated by index rebalances, not fundamentals.
§ 07 · INSIDER ACTIVITY · LAST 180 DAYS
NO INSIDER FILINGS
◇ AC INTELLIGENCE
No Form 4 filings on record for MKTX in the last 180 days.
§ 08 · COVERAGE · OUR RECENT NOTES
No notes mention MKTX yet.