Public Data
Data Analysis
50+ Institutional Holders

Track Institutional
Investment Holdings

Monitor public filings from notable institutional investors including Warren Buffett, Bill Ackman, and 50+ others.
Our platform aggregates publicly disclosed holdings data from SEC filings for informational purposes.

Access our educational guide on reading 13F filings + optional alerts
Recent Filing Activity
Warren Buffett
Added
UNH
5M shares
Bill Ackman
Reduced
CP
14.8M shares
David Einhorn
Added
FLR
$3.8M value
Mohnish Pabrai
Increased
VAL
0.5M shares
Norbert Lou
Added
CROX
0.5M shares
Warren Buffett
Added
UNH
5M shares
Bill Ackman
Reduced
CP
14.8M shares
David Einhorn
Added
FLR
$3.8M value
Mohnish Pabrai
Increased
VAL
0.5M shares
Norbert Lou
Added
CROX
0.5M shares
Data Analysis System

Holdings Rank System™

Aggregates data from 5,000+ public 13F/13D/13G filings and disclosed transactions. Our system analyzes filing patterns, position sizes, and portfolio allocation for informational and educational purposes only.

Rank Stock Score Consensus Conviction Status
#1
▲+2
 —
95
89% holding
4.2/5
avg position
 High Interest
#2
▼-1
 —
92
85% holding
4.0/5
avg position
 Moderate Interest
#3
▲+1
 —
88
82% holding
3.9/5
avg position
 Moderate Interest
#4
NEW
 —
87
79% holding
4.5/5
avg position
 Watching
#5
▲+3
 —
85
77% holding
3.8/5
avg position
 High Interest

Track 50+ Institutional Investors

Monitor publicly disclosed holdings from notable fund managers

Warren Buffett
Bill Ackman
Michael Burry
George Soros
Ray Dalio
Carl Icahn
WB

Warren Buffett

Berkshire Hathaway
$387B
45 holdings

Top 5 Holdings

#1 AAPL
$57.4B
22.31%
#2 AXP
$48.3B
18.78%
#3 BAC
$28.6B
11.12%
#4 KO
$28.3B
10.99%
#5 CVX
$17.5B
6.79%

Register to view all 45 holdings, historical changes, and receive filing alerts

BA

Bill Ackman

Pershing Square
$14.2B
12 holdings

Top 5 Holdings

#1 HLT
$3.2B
22.5%
#2 CMG
$2.8B
19.7%
#3 LOW
$2.1B
14.8%

Activist investor known for concentrated positions and shareholder engagement strategies.

MB

Michael Burry

Scion Asset Management
$153M
8 holdings

Top 5 Holdings

#1 GEO
$32M
20.9%
#2 HCA
$28M
18.3%
#3 BABA
$25M
16.3%

Hedge fund manager known for value investing and contrarian positions.

GS

George Soros

Soros Fund Management
$6.8B
34 holdings

Top 5 Holdings

#1 RIVN
$1.2B
17.6%
#2 TMUS
$890M
13.1%
#3 QQQ
$750M
11.0%

Global macro investor with a long track record in financial markets.

RD

Ray Dalio

Bridgewater Associates
$18.4B
125 holdings

Top 5 Holdings

#1 SPY
$2.8B
15.2%
#2 VWO
$2.3B
12.5%
#3 EEM
$1.9B
10.3%

Founder of one of the world's largest hedge funds, known for systematic macro strategies.

CI

Carl Icahn

Icahn Enterprises
$9.2B
18 holdings

Top 5 Holdings

#1 CVR
$1.8B
19.6%
#2 IEP
$1.5B
16.3%
#3 SWX
$1.2B
13.0%

Activist investor known for taking significant stakes in public companies.

Platform Features

Educational tools and data analysis for learning about institutional holdings

Top 50 Holdings Rankings

View aggregated data on frequently disclosed holdings from public filings. Our system analyzes filing patterns, position sizes, and portfolio allocation data. Updated regularly as new filings are published.

Track 50+ Fund Managers

Monitor public portfolios from institutional investors including Warren Buffett, Bill Ackman, George Soros, Ray Dalio, Carl Icahn and 45+ others. View their disclosed holdings based on mandatory SEC filings.

Regular Filing Updates

Our system monitors SEC EDGAR for new 13F filings and processes them promptly. Receive notifications when tracked fund managers file their quarterly reports with disclosed position changes.

Optional Filing Alerts

Opt-in to receive notifications when tracked institutions file quarterly reports. Get notified about new positions or significant changes disclosed in public SEC filings.

Educational Guide: Understanding 13F Filings

Learn how to read and interpret institutional investment disclosures. Our educational guide explains 13F filings, position analysis, and how to use public data for market research.

Data Analysis Tools

Utilize computational analysis to identify patterns in filing data. Our tools process thousands of public disclosures to help you research trends and learn from institutional holdings data.

Frequently Asked Questions

Is this platform free to use? +
Basic access to public filing data and rankings is available at no cost. Premium features may require registration. All data is sourced from publicly available SEC filings.
How often is the data updated? +
Our system monitors SEC EDGAR for new filings and processes them as they become available. Institutional investors are required to file 13F reports quarterly, typically within 45 days of quarter end.
How does the Holdings Rank System work? +
The system aggregates and analyzes data from 5,000+ public 13F/13D/13G filings. It scores holdings based on factors including: frequency of disclosure, position sizes relative to portfolio, number of filers holding the same security, and filing pattern changes over time. This is for informational purposes only.
Which institutional investors are tracked? +
We track 50+ institutional investment firms that file public disclosures, including Berkshire Hathaway (Warren Buffett), Pershing Square (Bill Ackman), Soros Fund Management, Bridgewater Associates (Ray Dalio), Icahn Enterprises, and many others who file quarterly 13F reports.
How often do rankings update? +
Rankings are recalculated regularly based on new filing data, market prices, and disclosed position changes. Major updates occur when significant new 13F filings are published, typically each quarter.
Is this investment advice? +
No. This platform provides data, analysis tools, and educational resources for informational purposes only. We do not provide investment advice, recommendations, or personalized financial guidance. Past performance of institutional investors does not guarantee future results. Always conduct your own research and consult with qualified financial professionals before making any investment decisions.

Start Tracking Institutional Holdings Today

Access our Holdings Rank System™, portfolio tracking tools, and educational resources. Public data access available.

What You Get:
  • Top 50 Holdings Rankings
  • Track 50+ Institutional Investors
  • Regular Filing Updates
  • Optional Filing Alerts
  • 13F Filing Educational Guide
  • Data Analysis Tools

Public data access • Educational tools • No investment advice provided