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 AVGO BMY 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

View detail

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

HHH Bill Ackman · Sell $22.5M SEG Bill Ackman · Sell $2.0M IEP Carl Icahn · Buy $484.2M LOGC David Abrams · Buy $12.3M

Insider Activity

Investors · Insiders

N/A ACKMAN WILLIAM A · Sell JPM BACON ASHLEY · Sale $4.6M JPM Barnum Jeremy · Sale $3.5M JPM Beer Lori A · Sale $2.2M

Investor Insights

Latest from top investors

Recent news and analysis on tracked superinvestors.

NEWS

High Concentration in Healthcare: Richard Pzena's Hancock Classic Value Fund Focuses on Top Holdings Apr 25, 2026 Hancock Classic Value's portfolio, managed by Richard Pzena as of March 31, 2026, shows a significant concentration in the Healthcare sector, with several large holdings dominating the allocation.

Lindsell Train Portfolio Focus: Tech & Comm Services Dominance Apr 25, 2026 Michael Lindsell's Lindsell Train portfolio, as of March 31, 2026, shows a clear concentration in Communication Services and Technology stocks.

David Katz's Portfolio Shows Significant Tech and Consumer Increases in Q1 2026 Apr 23, 2026 David Katz's portfolio, valued at approximately $1.09 billion as of March 31, 2026, saw notable increases in Microsoft, Qualcomm, and PepsiCo shares, while positions in Alphabet, Morgan Stanley, and others decreased or remained stable.

Robert Olstein Portfolio Snapshot: Top Holdings and Recent Changes Apr 22, 2026 A snapshot of Robert Olstein's portfolio as of March 31, 2026, highlighting top holdings and significant changes in share positions.

Eagle Capital's Focus: Top 4 ETFs Dominate Portfolio Apr 21, 2026 Ravenel Boykin Curry IV's Eagle Capital Management portfolio, as of March 31, 2026, is heavily concentrated in large-cap ETFs and Technology stocks.

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.

Managers