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Guru Intelligence

Invest Like the Legends

Study the strategies of 20 legendary value investors, run their screeners inline, and track their actual 13-F portfolios - all in one place.

20 legendary investors 73 global exchanges Quarterly SEC 13-F filings 7 pre-built screener strategies

Strategy Engine

Run pre-built strategies from Graham, Buffett, Greenblatt, and more directly on this page. Results appear inline - no redirect to the screener.

SEC 13-F Portfolios

Professional members can view each guru's actual quarterly 13-F holdings - what they're buying, selling, and their top positions with AI-powered commentary.

Cross-Reference

On any stock's detail page, see which gurus currently hold it and why - based on their known investment criteria and AI analysis.

20 Legendary Value Investors

Study their investment philosophies, known criteria, and - for Professional members - their live 13-F portfolios.

Warren Buffett

Berkshire Hathaway

🇺🇸
Quality Value

Chairman and CEO of Berkshire Hathaway. Evolved from Graham-style bargain hunting to buying wonderful businesses at fair prices alongside Charlie Munger.

ROE > 15%ROIC > 15%Durable moatD/E < 0.5
ROIC min: 15%P/E max: 25x

Bill Ackman

Pershing Square

🇺🇸
Activist Value

Activist investor and founder of Pershing Square. Known for concentrated bets and public campaigns to unlock value in undervalued large-cap companies.

FCF yield > 5%Large-capConcentrated 6-12 positionsActivist catalyst
ROIC min: 12%P/E max: 30x

David Einhorn

Greenlight Capital

🇺🇸
Long/Short Value

Founder of Greenlight Capital. Known for deep fundamental analysis and high-profile short positions. Focuses on mispriced securities both long and short.

Catalyst requiredForensic accountingEarnings qualityP/E < 20
ROIC min: 10%P/E max: 20x

Seth Klarman

Baupost Group

🇺🇸
Deep Value / Distressed

Founder of Baupost Group and author of Margin of Safety. Focuses on downside protection and buying at steep discounts to intrinsic value.

MOS > 30%Special situationsHigh cash allocationRisk-aversion first
ROIC min: 8%P/E max: 15x

Joel Greenblatt

Gotham Capital

🇺🇸
Quantitative Value

Creator of the Magic Formula. Systematically ranks stocks by combined earnings yield and ROIC to find quality companies at cheap prices.

Earnings yield > 5%ROIC > 15%SystematicAnnual rebalancing
ROIC min: 15%P/E max: 20x

Chuck

Compounding Quality

Howard

Distressed / Credit Value

Michael

Deep Contrarian Value

+12

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Klarman, Greenblatt, Akre, Marks, Pabrai, and 10 more - with their full philosophies and criteria

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Guru Strategies

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🏛️

Benjamin Graham's Defensive

Benjamin Graham - The Intelligent Investor (1949)

Free

Large, conservatively financed companies with consistent earnings history. Requires margin of safety through low valuations and strong financial health.

P/E < 15P/B < 1.5Current ratio > 1.5D/E < 1
⭐

Warren Buffett's Quality

Warren Buffett - Letters to Shareholders (1965-present)

Free

High-ROIC, wide-moat businesses with durable competitive advantages. Wonderful companies at fair prices that can compound wealth for decades.

ROE > 15%ROIC > 12%Gross margin > 40%D/E < 1P/E < 25
🔮

Joel Greenblatt's Magic Formula

Joel Greenblatt - The Little Book That Beats the Market (2005)

Analyst+

Ranks stocks by combined earnings yield and return on capital. Buy good companies at cheap prices - a systematic approach with a strong academic track record.

Earnings yield > 8%ROIC > 15%
📊

Joseph Piotroski's F-Score Value

Joseph Piotroski - Journal of Accounting Research (2000)

Analyst+

Nine binary tests of fundamental quality among value stocks. Only the financially strongest companies earn a top score. Academic-backed approach to quality screening.

F-Score >= 7P/E < 20P/B < 2
🚀

Peter Lynch's GARP

Peter Lynch - One Up on Wall Street (1989)

Analyst+

Growth at a Reasonable Price. Find companies growing earnings faster than their P/E suggests. The PEG ratio disciplines growth investors to avoid overvaluation.

P/E < 25EPS growth 1Y > 10%
💎

Benjamin Graham Net-Net

Benjamin Graham - Security Analysis (1934)

Analyst+

Trading below book value with meaningful margin of safety. Maximum downside protection for the defensive investor. The most conservative value strategy.

P/B < 1MOS > 25%F-Score >= 6
🧠

Charlie Munger's Quality

Charlie Munger - Poor Charlie's Almanack (2005)

Analyst+

Wonderful companies at fair prices. Strong competitive moats, honest management, consistently high returns on equity, and clean balance sheets. Invert, always invert.

ROE > 20%ROIC > 15%D/E < 0.5P/E < 25
Professional

Track Their Actual Portfolios

Professional members see the actual 13-F SEC filings for all 20 gurus - updated quarterly. Know exactly what Buffett, Ackman, Burry, and 17 more legendary investors are buying and selling, with AI-powered analysis of why each position fits their known investment criteria.

Quarterly 13-F filings AI insight per position Buy/sell/trim signals Cross-reference on stock pages
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What are guru strategy presets?+
Pre-built stock screener filters based on the investment philosophies of legendary investors like Graham, Buffett, Piotroski, Greenblatt, Lynch, and Munger. Run them against 100,000+ stocks across 73 exchanges.
What is 13-F filing data?+
SEC Form 13-F is a quarterly report filed by institutional investment managers with at least $100M in AUM. It reveals their equity holdings, showing exactly what stocks top investors are buying and selling.
Which guru strategies are free?+
Benjamin Graham's Defensive and Warren Buffett's Quality strategy presets are free for all users. The remaining presets and 13-F portfolio tracking require the Analyst or Professional plan.

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