SEPTInvestingStart Free

MKTX SCHEDULE 13G/A: SEC filing

North Reef Capital Management LP

Filed with the SEC on · accession 0001214659-26-010349

MKTX filed a SCHEDULE 13G/A (schedule 13g/a) with the SEC on Aug 14, 2026. A report the company filed with the SEC (the US market regulator). The stock moved -0.0% by the first close after the filing.

Summary of the filing

North Reef Capital Management LP filed a Schedule 13G/A joint acquisition statement regarding its passive ownership position in MarketAxess Holdings Inc. The filing is a routine amendment with no reported change in ownership.

For details, click here →

Key details

Filer / passive shareholderNorth Reef Capital Management LP
IssuerMarketAxess Holdings Inc.
Chief compliance officer, north reef capital management lpDaniel M. Locasto
Managing member, north reef capital management gp llcJames H. Hanna, III

How MKTX stock reacted

Close before

$162.60

Aug 13, 2026

First close after

-0.02%

$162.57

5 trading days

-0.43%

$161.90

Since filing

+1.84%

$165.59

✦ Ask GOAX AI about this filing — what it means for MKTX, what changed since its last filings and what to watch next.

Try it free for 7 days

🔔 Want to stay updated on new SEC filings for MKTX?

Click here

Frequently asked questions

What did MKTX file with the SEC on Aug 14, 2026?

MKTX filed a SCHEDULE 13G/A (SEC filing). North Reef Capital Management LP filed a Schedule 13G/A joint acquisition statement regarding its passive ownership position in MarketAxess Holdings Inc. The filing is a routine amendment with no reported change in ownership.

How do I read a SCHEDULE 13G/A?

A report the company filed with the SEC (the US market regulator). Start with the summary, then the key amounts and names. Compare it with the company’s earlier filings.

Why are SEC filings important?

Public companies must tell the SEC about anything that can change their value — results, leadership changes, big deals, new shares, bankruptcy. Filings are the official source, often before the news. A SCHEDULE 13G/A (schedule 13g/a): A report the company filed with the SEC (the US market regulator).

How did MKTX stock react to this filing?

MKTX closed at $162.60 before the filing and $162.57 on Aug 14, 2026 (-0.02%). Five trading days later: $161.90 (-0.43%).

Other MKTX SEC filings

Get alerts when MKTX files with the SEC, plus live charts, key levels and news for 13,000+ stocks.

Try SEPT free for 7 days
MKTX overviewMKTX analysisMKTX newsLatest SEC filings