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<title>Marketaxess Holdings Inc. (MKTX) on GreekSoup</title>
<link>https://greeksoup.ai/stocks/us/mktx/</link>
<description>Every dated entry in the public record on Marketaxess Holdings Inc.: results, filings, insider trades and the rest, from the filings, the last 90 days.</description>
<language>en</language>
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<lastBuildDate>Mon, 12 Oct 2026 00:00:00 +0000</lastBuildDate>
<item><title>Marketaxess Holdings Inc.: short interest 3,205,371 shares at the 30 September 2026 settlement, 3.39 days to cover</title><link>https://greeksoup.ai/stocks/us/mktx/short-interest/</link><guid isPermaLink="false">us:MKTX:short-interest:2026-09-30:c9f80be0e1</guid><pubDate>Wed, 30 Sep 2026 00:00:00 +0000</pubDate><category>Short interest</category><description><![CDATA[<p>Short interest. <a href="https://www.finra.org/finra-data/browse-catalog/equity-short-interest/data">The filing</a>. <a href="https://greeksoup.ai/stocks/us/mktx/short-interest/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Marketaxess Holdings Inc. filed DEFA14A: defa14a</title><link>https://greeksoup.ai/stocks/us/mktx/filings/</link><guid isPermaLink="false">us:MKTX:filing:2026-09-29:05c1091c5a</guid><pubDate>Tue, 29 Sep 2026 00:00:00 +0000</pubDate><category>SEC filing</category><description><![CDATA[<p>SEC filing. <a href="https://www.sec.gov/Archives/edgar/data/1278021/000119312526407838/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/mktx/filings/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Marketaxess Holdings Inc. filed 8-K: other events</title><link>https://greeksoup.ai/stocks/us/mktx/filings/</link><guid isPermaLink="false">us:MKTX:filing:2026-09-29:70543ef4ae</guid><pubDate>Tue, 29 Sep 2026 00:00:00 +0000</pubDate><category>SEC filing</category><description><![CDATA[<p>SEC filing. <a href="https://www.sec.gov/Archives/edgar/data/1278021/000119312526407834/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/mktx/filings/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Marketaxess Holdings Inc.: short interest 2,347,202 shares at the 15 September 2026 settlement, 2.61 days to cover</title><link>https://greeksoup.ai/stocks/us/mktx/short-interest/</link><guid isPermaLink="false">us:MKTX:short-interest:2026-09-15:b208b9a705</guid><pubDate>Tue, 15 Sep 2026 00:00:00 +0000</pubDate><category>Short interest</category><description><![CDATA[<p>Short interest. <a href="https://www.finra.org/finra-data/browse-catalog/equity-short-interest/data">The filing</a>. <a href="https://greeksoup.ai/stocks/us/mktx/short-interest/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Marketaxess Holdings Inc.: Pintoff Scott (General Counsel and Secretary) sold 100 shares at $163.32 on 10 September 2026, $16,332</title><link>https://greeksoup.ai/stocks/us/mktx/insiders/</link><guid isPermaLink="false">us:MKTX:insider:2026-09-11:ebd86ad6ff</guid><pubDate>Fri, 11 Sep 2026 00:00:00 +0000</pubDate><category>Insider trade</category><description><![CDATA[<p>Insider trade. <a href="https://www.sec.gov/Archives/edgar/data/1278021/000119312526389290/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/mktx/insiders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Marketaxess Holdings Inc.: Cruger William Frank Jr. (Director) sold 6,164 shares at $163.20 on 10 September 2026, $1.0 million</title><link>https://greeksoup.ai/stocks/us/mktx/insiders/</link><guid isPermaLink="false">us:MKTX:insider:2026-09-11:ce2563fec6</guid><pubDate>Fri, 11 Sep 2026 00:00:00 +0000</pubDate><category>Insider trade</category><description><![CDATA[<p>Insider trade. <a href="https://www.sec.gov/Archives/edgar/data/1278021/000119312526389288/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/mktx/insiders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Marketaxess Holdings Inc.: Form 144, William Frank Cruger, Jr. plans to sell 6,164 shares worth $1.0 million around 10 September 2026</title><link>https://greeksoup.ai/stocks/us/mktx/planned-sales/</link><guid isPermaLink="false">us:MKTX:planned-sale:2026-09-10:ce15c2db7c</guid><pubDate>Thu, 10 Sep 2026 00:00:00 +0000</pubDate><category>Form 144</category><description><![CDATA[<p>Form 144. <a href="https://www.sec.gov/Archives/edgar/data/1278021/000196858226000946/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/mktx/planned-sales/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Marketaxess Holdings Inc.: short interest 1,803,113 shares at the 31 August 2026 settlement, 1.73 days to cover</title><link>https://greeksoup.ai/stocks/us/mktx/short-interest/</link><guid isPermaLink="false">us:MKTX:short-interest:2026-08-31:f153806331</guid><pubDate>Mon, 31 Aug 2026 00:00:00 +0000</pubDate><category>Short interest</category><description><![CDATA[<p>Short interest. <a href="https://www.finra.org/finra-data/browse-catalog/equity-short-interest/data">The filing</a>. <a href="https://greeksoup.ai/stocks/us/mktx/short-interest/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Marketaxess Holdings Inc.: Schedule 13G/A filed by North Reef Capital Management LP, 9.6% of the class</title><link>https://greeksoup.ai/stocks/us/mktx/holders/</link><guid isPermaLink="false">us:MKTX:schedule-13:2026-08-14:a74bf4f697</guid><pubDate>Fri, 14 Aug 2026 00:00:00 +0000</pubDate><category>Schedule 13D/13G</category><description><![CDATA[<p>Schedule 13D/13G. <a href="https://www.sec.gov/Archives/edgar/data/1278021/000121465926010349/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/mktx/holders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Marketaxess Holdings Inc.: short interest 1,333,912 shares at the 14 August 2026 settlement, 1.21 days to cover</title><link>https://greeksoup.ai/stocks/us/mktx/short-interest/</link><guid isPermaLink="false">us:MKTX:short-interest:2026-08-14:ec06aead52</guid><pubDate>Fri, 14 Aug 2026 00:00:00 +0000</pubDate><category>Short interest</category><description><![CDATA[<p>Short interest. <a href="https://www.finra.org/finra-data/browse-catalog/equity-short-interest/data">The filing</a>. <a href="https://greeksoup.ai/stocks/us/mktx/short-interest/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Marketaxess Holdings Inc.: Schedule 13G/A filed by AQR Capital Management, LLC, 5.6% of the class</title><link>https://greeksoup.ai/stocks/us/mktx/holders/</link><guid isPermaLink="false">us:MKTX:schedule-13:2026-08-13:c667ece52d</guid><pubDate>Thu, 13 Aug 2026 00:00:00 +0000</pubDate><category>Schedule 13D/13G</category><description><![CDATA[<p>Schedule 13D/13G. <a href="https://www.sec.gov/Archives/edgar/data/1278021/000116755726000191/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/mktx/holders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Marketaxess Holdings Inc.: Form 144, Pintoff Scott plans to sell 300 shares worth $48,780 around 10 August 2026</title><link>https://greeksoup.ai/stocks/us/mktx/planned-sales/</link><guid isPermaLink="false">us:MKTX:planned-sale:2026-08-10:1166818634</guid><pubDate>Mon, 10 Aug 2026 00:00:00 +0000</pubDate><category>Form 144</category><description><![CDATA[<p>Form 144. <a href="https://www.sec.gov/Archives/edgar/data/1278021/000192109426000819/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/mktx/planned-sales/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Marketaxess Holdings Inc.: Pintoff Scott (General Counsel and Secretary) sold 100 shares at $162.60 on 10 August 2026, $16,260</title><link>https://greeksoup.ai/stocks/us/mktx/insiders/</link><guid isPermaLink="false">us:MKTX:insider:2026-08-10:034ca537f7</guid><pubDate>Mon, 10 Aug 2026 00:00:00 +0000</pubDate><category>Insider trade</category><description><![CDATA[<p>Insider trade. <a href="https://www.sec.gov/Archives/edgar/data/1278021/000119312526342412/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/mktx/insiders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Marketaxess Holdings Inc. Q2 FY2026 results: revenue $218 million, net income $68 million</title><link>https://greeksoup.ai/stocks/us/mktx/results/fy2026-q2/</link><guid isPermaLink="false">us:MKTX:result:2026-08-07:6f0f13e053</guid><pubDate>Fri, 07 Aug 2026 00:00:00 +0000</pubDate><category>Results</category><description><![CDATA[<p>Results. <a href="https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&amp;CIK=0001278021&amp;type=10-&amp;dateb=&amp;owner=include&amp;count=40">The filing</a>. <a href="https://greeksoup.ai/stocks/us/mktx/results/fy2026-q2/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Marketaxess Holdings Inc. filed 10-Q: 10-q</title><link>https://greeksoup.ai/stocks/us/mktx/filings/</link><guid isPermaLink="false">us:MKTX:filing:2026-08-07:8467acdbc7</guid><pubDate>Fri, 07 Aug 2026 00:00:00 +0000</pubDate><category>SEC filing</category><description><![CDATA[<p>SEC filing. <a href="https://www.sec.gov/Archives/edgar/data/1278021/000119312526340249/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/mktx/filings/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Marketaxess Holdings Inc.: Schedule 13G/A filed by PRIMECAP MANAGEMENT CO/CA/, 9.9% of the class</title><link>https://greeksoup.ai/stocks/us/mktx/holders/</link><guid isPermaLink="false">us:MKTX:schedule-13:2026-08-06:cb7dba8385</guid><pubDate>Thu, 06 Aug 2026 00:00:00 +0000</pubDate><category>Schedule 13D/13G</category><description><![CDATA[<p>Schedule 13D/13G. <a href="https://www.sec.gov/Archives/edgar/data/1278021/000076321226000023/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/mktx/holders/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Marketaxess Holdings Inc.: short interest 1,533,503 shares at the 31 July 2026 settlement, 1.00 days to cover</title><link>https://greeksoup.ai/stocks/us/mktx/short-interest/</link><guid isPermaLink="false">us:MKTX:short-interest:2026-07-31:55fca68701</guid><pubDate>Fri, 31 Jul 2026 00:00:00 +0000</pubDate><category>Short interest</category><description><![CDATA[<p>Short interest. <a href="https://www.finra.org/finra-data/browse-catalog/equity-short-interest/data">The filing</a>. <a href="https://greeksoup.ai/stocks/us/mktx/short-interest/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Marketaxess Holdings Inc. filed DEFA14A: defa14a</title><link>https://greeksoup.ai/stocks/us/mktx/filings/</link><guid isPermaLink="false">us:MKTX:filing:2026-07-30:ae00f2621a</guid><pubDate>Thu, 30 Jul 2026 00:00:00 +0000</pubDate><category>SEC filing</category><description><![CDATA[<p>SEC filing. <a href="https://www.sec.gov/Archives/edgar/data/1278021/000119312526326252/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/mktx/filings/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Marketaxess Holdings Inc. filed 8-K: results of operations, other events</title><link>https://greeksoup.ai/stocks/us/mktx/filings/</link><guid isPermaLink="false">us:MKTX:filing:2026-07-30:736ef4d036</guid><pubDate>Thu, 30 Jul 2026 00:00:00 +0000</pubDate><category>SEC filing</category><description><![CDATA[<p>SEC filing. <a href="https://www.sec.gov/Archives/edgar/data/1278021/000119312526324950/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/mktx/filings/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Marketaxess Holdings Inc. filed DEFA14A: defa14a</title><link>https://greeksoup.ai/stocks/us/mktx/filings/</link><guid isPermaLink="false">us:MKTX:filing:2026-07-30:7cd998e428</guid><pubDate>Thu, 30 Jul 2026 00:00:00 +0000</pubDate><category>SEC filing</category><description><![CDATA[<p>SEC filing. <a href="https://www.sec.gov/Archives/edgar/data/1278021/000119312526324939/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/mktx/filings/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Marketaxess Holdings Inc. filed 8-K: material agreement, officer or director change, regulation fd disclosure</title><link>https://greeksoup.ai/stocks/us/mktx/filings/</link><guid isPermaLink="false">us:MKTX:filing:2026-07-30:4f42550762</guid><pubDate>Thu, 30 Jul 2026 00:00:00 +0000</pubDate><category>SEC filing</category><description><![CDATA[<p>SEC filing. <a href="https://www.sec.gov/Archives/edgar/data/1278021/000119312526324933/">The filing</a>. <a href="https://greeksoup.ai/stocks/us/mktx/filings/">The page on GreekSoup</a>.</p>]]></description></item>
<item><title>Marketaxess Holdings Inc.: short interest 2,103,650 shares at the 15 July 2026 settlement, 3.71 days to cover</title><link>https://greeksoup.ai/stocks/us/mktx/short-interest/</link><guid isPermaLink="false">us:MKTX:short-interest:2026-07-15:60683fd682</guid><pubDate>Wed, 15 Jul 2026 00:00:00 +0000</pubDate><category>Short interest</category><description><![CDATA[<p>Short interest. <a href="https://www.finra.org/finra-data/browse-catalog/equity-short-interest/data">The filing</a>. <a href="https://greeksoup.ai/stocks/us/mktx/short-interest/">The page on GreekSoup</a>.</p>]]></description></item>
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