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MKTX · Financials

Marketaxess Hldgs Inc

USA Financials Filing: 2026-06-30
33/100
Smart-money confidence1 of 3 sources positive
Below average interest

No standout activity across the feeds we track.

What this band has actually done: stocks scoring 25–45 beat the S&P 500 over the next three months 45.3% of the time, across 39,662 cases since 2015. That is below a coin flip — and so is every other band, because the median stock loses to a cap-weighted index. How we measured this

Hedge funds
44
Congress
No data
Insiders
No data
Cross-source blend of hedge-fund breadth, Congress trades, and insider Form 4s.  ·  how the score works
Market cap
$5.8B
Industry
Capital Markets
Sector
Financial Services
Exchange
NasdaqGS
About MARKETAXESS HLDGS INC

MarketAxess Holdings Inc., together with its subsidiaries, operates an electronic trading platform for institutional investor and broker-dealer firms in the United States, the United Kingdom, and internationally. The company offers trading technology to access liquidity on its platforms in U.S. high-grade bonds, U.S. high-yield bonds, emerging market debt, eurobonds, municipal bonds, U.S. government bonds, and other fixed-income securities; and executes bond trades between and among institutional investor and broker-dealer clients in an all-to-all anonymous trading environment for corporate…

Who's behind the signal
Every informed buyer we can see on MKTX, across all three feeds.
Hedge funds · 9
Citadel Advisors Increased +486%
Renaissance Technologies Increased +20%
D.E. Shaw & Co Increased +1348%
AQR Capital Management Decreased −26%
+3 more in the full breakdown below ↓
Congress · 4
Susie Lee bought
Insiders
No significant Form 4 insider activity in the window.
Congressional trades · 12 on record
Disclosures from 2020-06-22 to 2026-04-09
Trade date Member Chamber Action Amount
2026-04-09 Josh Gottheimer · D-NJ House Sold $1,001 - $15,000
2025-02-12 Julie Johnson · D-TX House Sold $1,001 - $15,000
2025-01-15 Julie Johnson · D-TX House Bought $1,001 - $15,000
2023-07-12 Daniel S. Goldman · D-NY House Sold $1,001 - $15,000
2023-04-10 Daniel S. Goldman · D-NY House Bought $1,001 - $15,000
2021-11-12 Josh Gottheimer · D-NJ House Sold $1,001 - $15,000
2021-03-31 Josh Gottheimer · D-NJ House Sold $1,001 - $15,000
2021-03-17 Josh Gottheimer · D-NJ House Sold $1,001 - $15,000
2021-03-15 Josh Gottheimer · D-NJ House Sold $1,001 - $15,000
2021-01-28 Susie Lee · D-NV House Bought $1,001 - $15,000
Show the other 2
Trade date Member Chamber Action Amount
2020-11-13 Josh Gottheimer · D-NJ House Sold $1,001 - $15,000
2020-06-22 Josh Gottheimer · D-NJ House Sold $1,001 - $15,000
Not a model pick — but on our radar. MARKETAXESS HLDGS INC isn't in the top-10 model right now, but 9 tracked investors hold it. Everything below is real signal from public filings — treat this as a watch candidate, not a conviction call.
9
Investors
1
New positions
4
Increasing
4
Decreasing
0
Unchanged
Price History
Loading price data...
A member of Congress bought A member sold
Return: High: Low:

Markers sit on the transaction date the member disclosed, snapped to the nearest close on the chart. They are not the date the public found out — that came later, and the gap is its own page. Every marker is listed by name in the table above.

Who's Holding This Stock
Position sizes and recent activity from tracked institutional investors
Portfolio Allocation
How much of each investor's portfolio is allocated to MARKETAXESS HLDGS INC
⚠ Disclaimer: This page is for informational purposes only. Holdings data from SEC EDGAR 13F filings, delayed up to 135 days. Not a recommendation to buy or sell MARKETAXESS HLDGS INC or any security.

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