Millennium Management
fund
SEC Filings & Insider Trading Activity 2026

CIK: 1273087 216 filings
SC 13G: 137
13F-HR: 79

Go deeper on Millennium Management

Ask AI about Millennium Management filings. Chat with the 10-K, 10-Q, and 8-K for instant answers on financials, risks, and guidance.

Track institutional money. See which funds are building or cutting Millennium Management positions, quarter over quarter.

Catch cross-signals. Spot when insider buying, fund accumulation, and activist stakes line up on Millennium Management.

Latest 2026 SEC Filings: 10-K, 10-Q, 8-K & Form 4

FormFiling DatePeriodAnalysisSEC
13F-HR
May 15, 2026Mar 31, 2026-
13F-HR
Feb 17, 2026Dec 31, 2025-
13F-HR
Nov 14, 2025Sep 30, 2025-
13F-HR
Aug 14, 2025Jun 30, 2025-
13F-HR
May 15, 2025Mar 31, 2025-
13F-HR
Feb 14, 2025Dec 31, 2024-
13F-HR
Nov 14, 2024Sep 30, 2024-
SC 13G
Nov 8, 2024--
SC 13G
Oct 30, 2024--
SC 13G
Oct 30, 2024--
13F-HR
Aug 14, 2024Jun 30, 2024-
SC 13G
Aug 13, 2024--
SC 13G
Aug 7, 2024--
SC 13G
Jun 27, 2024--
SC 13G
Jun 4, 2024--
SC 13G
May 21, 2024--
13F-HR
May 15, 2024Mar 31, 2024-
SC 13G
May 9, 2024--
SC 13G
May 8, 2024--
SC 13G
May 7, 2024--
SC 13G
May 2, 2024--
SC 13G
Apr 24, 2024--
SC 13G
Apr 12, 2024--
SC 13G
Apr 3, 2024--
SC 13G
Mar 22, 2024--

Frequently Asked Questions

Where can I find Millennium Management insider trading activity (Form 4)?

SignalX aggregates every Millennium Management Form 4 insider transaction from SEC EDGAR. Form 4 reports show when officers, directors, and 10% shareholders buy or sell company stock, with transaction code, share count, and price per share.

How often does Millennium Management file with the SEC?

Millennium Management is an institutional investment manager that files 13F-HR holdings reports quarterly, due within 45 days of each quarter-end. It may also file SC 13D/G disclosures when its stake in a company crosses the 5% threshold. SignalX monitors SEC EDGAR daily to surface every new Millennium Management filing.

What is the difference between 10-K, 10-Q, and 8-K SEC filings?

A 10-K is a comprehensive annual report with audited financials, business overview, and risk factors. A 10-Q is a shorter quarterly report with unaudited financials and management discussion. An 8-K is a current report filed when a material event occurs, such as earnings releases, executive changes, acquisitions, or other significant developments. SignalX provides AI-generated summaries for all three filing types for Millennium Management.

What is Millennium Management's SEC CIK number?

Millennium Management's SEC CIK (Central Index Key) number is 1273087. The CIK is a unique identifier assigned by the SEC to every filing entity. You can use CIK 1273087 to look up all Millennium Management filings on SEC EDGAR, or browse them here on SignalX with AI-powered analysis.

Stay on top of Millennium Management SEC filings

Insider trading data, fund holdings, cross-signal detection, and AI-powered analysis for 216+ filings.