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.
Signals
Notable trades from funds and insiders
High-value recent trades from institutional 13F filings and Form 4 insider reports.
Recent Activity
What's moving — Q2 2026
Notable insider trades from SEC Form 4 reports.
Institutional Activity
All activityInvestor Insights
Latest from top investors
Recent news and analysis on tracked superinvestors.
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.
Viking Global Investors Focuses on Tech & Finance Giants
Mar 2, 2026
Ole Andreas Halvorsen's Viking Global Investors portfolio, as of December 31, 2025, is heavily concentrated in Technology and Financial Services sectors, favoring large-cap stocks like Microsoft and Visa.
Dennis Hong's Tech & Real Estate Focus: Top Holdings Analysis
Mar 2, 2026
ShawSpring Partners' portfolio, managed by Dennis Hong, shows heavy concentration in Technology and Real Estate sectors as of December 31, 2025.
Rochon's Portfolio: Focus on Financials and Tech Giants
Mar 2, 2026
Francois Rochon's portfolio at Giverny Capital, December 31, 2025, shows significant concentration in Financial Services and Communication Services sectors.
Managers
Large tracked portfolios
All investors
Warren Buffett
$272.8B
· Top: AAPL, AXP, BAC, KO, CVX
Filed Feb 17, 2026
Bill Gates
$35.4B
· Top: BRK-B, WM, CNI, MSFT, CAT
Filed Feb 17, 2026
Carl Icahn
$8.4B
· Top: IEP, CVI, SWX, UAN, SATS
Filed Feb 17, 2026
Li Lu
$3.6B
· Top: GOOG, GOOGL, BAC, PDD, BRK-B
Filed Feb 17, 2026
Chuck Akre
$9.1B
· Top: MA, BN, KKR, V, MCO
Filed Feb 13, 2026
Seth Klarman
$5.2M
· Top: QSR, AMZN, WTW, ELV, UNP
Filed Feb 13, 2026
Never miss a filing
Create a free account to track portfolios, set alerts, and save your searches.