{"id":42793,"date":"2026-10-05T07:27:14","date_gmt":"2026-10-05T05:27:14","guid":{"rendered":"https:\/\/www.graviton.at\/letterswaplibrary\/free-historical-insider-trading-and-institutional-holdings-data\/"},"modified":"2026-10-05T07:27:14","modified_gmt":"2026-10-05T05:27:14","slug":"free-historical-insider-trading-and-institutional-holdings-data","status":"publish","type":"post","link":"https:\/\/www.graviton.at\/letterswaplibrary\/free-historical-insider-trading-and-institutional-holdings-data\/","title":{"rendered":"Free Historical Insider Trading And Institutional Holdings Data"},"content":{"rendered":"<p><!-- SC_OFF --><\/p>\n<div class=\"md\">\n<p>I published a free historical dataset of SEC insider transactions and institutional holdings:<\/p>\n<ul>\n<li><strong>10,054,299 insider transaction records<\/strong>, with history back to 2006.<\/li>\n<li><strong>124,012,468 institutional holding records<\/strong>, with history back to 2013.<\/li>\n<li>Separate filing tables with reporting owners, managers, reporting periods, and amendment metadata.<\/li>\n<\/ul>\n<p>The October 3 snapshot is <strong>2.68 GB of compressed Parquet<\/strong>. You can download individual tables and years, or load everything into a local SQLite database:<\/p>\n<pre><code>npx sec-ownership-disclosures@latest download --sqlite <\/code><\/pre>\n<p>You need Node.js 22.5 or newer. The download requires no API key or SEC credentials.<\/p>\n<p>The records include transaction codes, security identifiers, source archive references, and an <code>availableAt<\/code> timestamp for historical research. For quarterly source files, that timestamp uses the end of the filing date in New York time, rather than an exact intraday publication time.<\/p>\n<p>Insider transactions include purchases, sales, grants, and option exercises. Institutional holdings are quarterly snapshots. The row counts include reported transaction and holding legs, so they shouldn&#8217;t be interpreted as counts of unique trades.<\/p>\n<p>I wrote up the download instructions, table coverage, and example SQL queries here:<\/p>\n<p><a href=\"https:\/\/nexustrade.io\/blog\/free-historical-insider-and-institutional-stock-data-20261003\">Free historical insider trading and institutional holdings data<\/a><\/p>\n<p>Direct links:<\/p>\n<ul>\n<li><a href=\"https:\/\/huggingface.co\/datasets\/austin-starks\/sec-ownership-disclosures\">Parquet dataset and snapshot manifest on Hugging Face<\/a><\/li>\n<li><a href=\"https:\/\/github.com\/austin-starks\/sec-ownership-disclosures\">Extraction pipeline, download CLI, and audits on GitHub<\/a><\/li>\n<\/ul><\/div>\n<p><!-- SC_ON -->   submitted by   <a href=\"https:\/\/www.reddit.com\/user\/NextgenAITrading\"> \/u\/NextgenAITrading <\/a> <br \/> <span><a href=\"https:\/\/nexustrade.io\/research\/institutions\">[link]<\/a><\/span>   <span><a href=\"https:\/\/www.reddit.com\/r\/datasets\/comments\/1wxznxd\/free_historical_insider_trading_and_institutional\/\">[comments]<\/a><\/span><\/p><div class='watch-action'><div class='watch-position align-right'><div class='action-like'><a class='lbg-style1 like-42793 jlk' href='javascript:void(0)' data-task='like' data-post_id='42793' data-nonce='a11585b7aa' rel='nofollow'><img class='wti-pixel' src='https:\/\/www.graviton.at\/letterswaplibrary\/wp-content\/plugins\/wti-like-post\/images\/pixel.gif' title='Like' \/><span class='lc-42793 lc'>0<\/span><\/a><\/div><\/div> <div class='status-42793 status align-right'><\/div><\/div><div class='wti-clear'><\/div>","protected":false},"excerpt":{"rendered":"<p>I published a free historical dataset of SEC insider transactions and institutional holdings: 10,054,299 insider transaction records,&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[85],"tags":[],"class_list":["post-42793","post","type-post","status-publish","format-standard","hentry","category-datatards","wpcat-85-id"],"_links":{"self":[{"href":"https:\/\/www.graviton.at\/letterswaplibrary\/wp-json\/wp\/v2\/posts\/42793","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.graviton.at\/letterswaplibrary\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.graviton.at\/letterswaplibrary\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.graviton.at\/letterswaplibrary\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.graviton.at\/letterswaplibrary\/wp-json\/wp\/v2\/comments?post=42793"}],"version-history":[{"count":0,"href":"https:\/\/www.graviton.at\/letterswaplibrary\/wp-json\/wp\/v2\/posts\/42793\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.graviton.at\/letterswaplibrary\/wp-json\/wp\/v2\/media?parent=42793"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.graviton.at\/letterswaplibrary\/wp-json\/wp\/v2\/categories?post=42793"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.graviton.at\/letterswaplibrary\/wp-json\/wp\/v2\/tags?post=42793"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}