What are 13F filings?

13F filings are quarterly reports that institutional investment managers with over $100 million in assets must file with the SEC, disclosing their equity holdings. These filings provide transparency into what stocks top investors are buying and selling.

How often are portfolio holdings updated?

Portfolio holdings are updated regularly based on filing deadlines. Most institutional investors file 13F reports quarterly within 45 days after the end of each quarter, providing the most current view of their investment positions.

Which investors can I track?

You can track top institutional investors, hedge funds, and superinvestors who file required reports. Our platform covers major investment managers and their portfolios, with plans to expand to include additional investor types.

What investment analysis tools are available?

Our platform provides comprehensive investment research tools including portfolio performance metrics, stock holding analysis, sector allocation breakdowns, investment strategy insights, and portfolio tracking features to help you understand how top investors manage their portfolios.

How can I use this data for investment decisions?

Use our portfolio tracker to research what stocks successful investors are buying, analyze their investment strategies, and gain insights into market trends. This can help inform your own investment decisions and portfolio management.

What types of portfolio data are available?

We provide complete stock positions, portfolio holdings, investment analysis with performance metrics, filing data with regular updates, and hedge fund tracking with detailed position information.

How comprehensive is the investment research platform?

Our platform offers comprehensive investment research tools to analyze stock holdings, portfolio performance, and investment strategies of successful investors. This includes portfolio tracking, investment insights, detailed stock positions, and performance metrics.

SEC 13F & Form 4 filings

Track hedge fund holdings and insider trading

InsiderSet aggregates SEC Form 13F institutional holdings and Form 4 insider transactions — see what top hedge funds own, which stocks insiders are buying, and how portfolios change each quarter.

Trending: SE BMY AVGO GOOGL ADBE

Signals

Notable trades from funds and insiders

High-value recent trades from institutional 13F filings and Form 4 insider reports.

IEP 13F

bullish

Carl Icahn — Buy $484.2M

View detail

DVA 13F

bearish

Warren Buffett — Sell $254.3M

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JPM Form 4

bearish

DIMON JAMES — Sale $51.5M

View detail

Recent Activity

What's moving — Q2 2026

Notable insider trades from SEC Form 4 reports.

Institutional Activity

All activity

IEP Carl Icahn · Buy $484.2M LOGC David Abrams · Buy $12.3M CVI Carl Icahn · Buy $16.4M DVA Warren Buffett · Sell $254.3M

Insider Activity

Investors · Insiders

JPM BACON ASHLEY · Sale $4.6M JPM Barnum Jeremy · Sale $3.5M JPM Beer Lori A · Sale $2.2M JPM DIMON JAMES · Sale $51.5M

Investor Insights

Latest from top investors

Recent news and analysis on tracked superinvestors.

NEWS

Aquamarine Zurich AG Portfolio Snapshot: No Top Holdings as of March 31, 2026 Apr 18, 2026 Aquamarine Zurich AG's portfolio as of March 31, 2026, shows no top holdings listed, indicating a potentially diversified or inactive portfolio.

Jim Cullen's Portfolio Shows Notable Shifts in Top Holdings During Q1 Apr 10, 2026 Jim Cullen's portfolio, valued at approximately $751 million as of March 31, 2026, displayed significant changes in top holdings, including increases in Berkshire Hathaway and decreases in several large-cap stocks.

Edgar Wachenheim's Portfolio: High Concentration in Consumer Cyclicals Apr 7, 2026 Greenhaven Associates' portfolio, as of March 31, 2026, shows a significant concentration in Consumer Cyclical stocks, with General Motors leading holdings.

Greenlea Lane Capital's Portfolio: Focus on Financials and Tech Giants Mar 3, 2026 Josh Tarasoff's portfolio at Greenlea Lane Capital Management, as of December 31, 2025, is heavily concentrated in Financial Services and Consumer Cyclical sectors, with significant holdings in Amazon and Brookfield Corporation.

Eric H. Schoenstein's Portfolio: Heavyweights in Tech & Healthcare Mar 3, 2026 Eric H. Schoenstein's Jensen Investment Management portfolio, as of Dec 31, 2025, is dominated by major tech and healthcare stocks, with significant allocations to Microsoft, Apple, and NVIDIA.

Lone Pine Capital's Strategic Holdings: Focus on Financials, Tech Growth, and Cyclical Recovery Mar 2, 2026 Stephen Mandel's Lone Pine Capital portfolio, as of December 31, 2025, highlights significant allocations in Financial Services and Technology, with notable increases in holdings like KKR and ASML.

Managers