Le silence EST le signal
Quand les investisseurs institutionnels accumulent discrètement une action ignorée par les médias, cette divergence précède souvent un mouvement de prix significatif. Nous mesurons cet écart.
Activité institutionnelle vs Couverture médiatique
Les entreprises dans le quadrant supérieur gauche (forte activité institutionnelle, faible couverture) sont les signaux les plus forts.
Analyse Cascade des actualités en direct
AI (EXAONE)Couverture médiatique
"Albemarle (ALB) Stock Slides as Market Rises: Facts to Know Before You Trade"
Fri, 11 Sep 2026· Yahoo FinanceActions IB
Point72 initiated $480M position in Q4 2025 — quietly accumulated
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"Regeneron Eyes 2026 Catalysts as EYLEA HD and DUPIXENT Drive Growth"
Sat, 12 Sep 2026· Yahoo FinanceActions IB
Baillie Gifford maintained $1.8B conviction position unchanged
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"Kratos ARAV-B Ballistic Missile Target Successfully Utilized In Multinational Pacific Dragon 2026 Exercise"
Wed, 09 Sep 2026· Yahoo FinanceActions IB
Dragoneer built $200M position quietly over 3 quarters
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"Why KLA (KLAC) Outpaced the Stock Market Today"
Fri, 11 Sep 2026· Yahoo FinanceActions IB
Artisan Partners doubled position in Q3 2025 — $880M total
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"How Is L3Harris Technologies’ Stock Performance Compared to Other Aerospace & Defense Stocks"
Thu, 10 Sep 2026· Yahoo FinanceActions IB
Vanguard index allocation systematically increased
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"Pfizer oncology pipeline advances to Phase 3"
Apr 3, 2026· ReutersActions IB
Major index funds maintained large positions at multi-year lows
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"AWS revenue grows 37% as enterprise AI migration accelerates"
Apr 13, 2026· CNBCActions IB
Vanguard maintains $220B+ position as #1 external holder
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"Why Did Freeport-McMoRan Stock Drop On Doubts Over A Tariff It Would Gain From?"
Fri, 11 Sep 2026· Yahoo FinanceActions IB
Baupost Group initiated $680M new position — value-driven entry at multi-year discount
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"Chip Equipment Stocks Slide as AI Pacing Call Reaches Fab Spending: Applied Materials and Lam Research Fall 6%, ASML Sinks 5%"
Mon, 14 Sep 2026· Yahoo FinanceActions IB
Fidelity added across growth and value funds in Q4 2025
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"Meta Llama 4 outperforms GPT-4 on key benchmarks"
Apr 11, 2026· TechCrunchActions IB
Vanguard index holdings at all-time highs via rebalancing
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"RTX Corporation (RTX) Doubles Down on Defense Manufacturing — Is the Stock Still a Buy?"
Fri, 11 Sep 2026· Yahoo FinanceActions IB
Vanguard index rebalance systematically increased allocation
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"Moderna (MRNA) Ascends While Market Falls: Some Facts to Note"
Mon, 14 Sep 2026· Yahoo FinanceActions IB
Baillie Gifford doubled position near multi-year lows — $1.4B total
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"Novo Nordisk semaglutide cardiovascular data redefines obesity treatment"
Apr 9, 2026· The LancetActions IB
Capital Group maintained largest ex-Denmark position — $4.2B
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"Lockheed Martin Corporation (LMT) Is a Trending Stock: Facts to Know Before Betting on It"
Mon, 14 Sep 2026· Yahoo FinanceActions IB
Vanguard defense ETF increased allocation to overweight
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"Applied Materials, Lam Research, Monolithic Power Systems, Marvell Technology, and MACOM Shares Are Falling, What You Need To Know"
Mon, 14 Sep 2026· Yahoo FinanceActions IB
T. Rowe Price increased semiconductor equipment exposure in Q4
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"Jim Cramer Favors Dell (DELL) Over Super Micro (SMCI) as AI Server Demand Surges"
Sat, 12 Sep 2026· Yahoo FinanceActions IB
Renaissance Technologies initiated $580M new position via quant models
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"Should You Buy Coinbase Stock While Its Revenue Is Shrinking?"
Mon, 14 Sep 2026· Yahoo FinanceActions IB
Millennium Management initiated $2.3B new position — largest institutional onboarding
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"TSMC Falls 3.3% as Its 2028 Chip Roadmap Precedes High-NA Adoption"
Mon, 14 Sep 2026· Yahoo FinanceActions IB
Capital Group added $1.6B in Q4 2025 — largest semi position
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"'We owe it to humanity to try': Anthropic's CEO Just Called For Global AI Slowdown. Elon Musk, Sam Altman, and Google’s AI Chief Agree."
Mon, 14 Sep 2026· Yahoo FinanceActions IB
Vanguard maintains $140B+ position across index funds
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"Dell Stock Tumbles 5% as Fresh AI Warning Sparks Tech Selloff"
Mon, 14 Sep 2026· Yahoo FinanceActions IB
Appaloosa Management added $740M on AI server thesis
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"Why the Market Dipped But Eli Lilly (LLY) Gained Today"
Mon, 14 Sep 2026· Yahoo FinanceActions IB
Capital Research accumulated $4.8B through multiple fund vehicles
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"Dow Jones Futures: Nvidia, Micron, Sandisk Dive On AI Fears; Fed Rate Hike Looms"
Mon, 14 Sep 2026· Yahoo FinanceActions IB
BlackRock added $2.1B position in Q4 2025
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"Microsoft Just Made a Move That Could Put More Pressure on Its Azure Business. Here's Why It Could Turn Out Great for the Stock"
Mon, 14 Sep 2026· Yahoo FinanceActions IB
Vanguard maintains largest position — $180B+ across all funds
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"This Index Fund Could Turn $25,000 Into $20,635,655"
Tue, 15 Sep 2026· Yahoo FinanceActions IB
Goldman Sachs added $3.8B in Q4 — across all portfolios
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"AI Stocks Tumble, Frontier Lab Execs Call for AI Slowdown, and Ellison Pulls the Plug on 50M ORCL Sale"
Mon, 14 Sep 2026· Yahoo FinanceActions IB
Capital Research added $1.4B on cloud acceleration thesis
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"Musk offers radical fix to welfare state bankruptcy"
Mon, 14 Sep 2026· Yahoo FinanceActions IB
ARK Invest maintains largest conviction position — $2.1B
Comment fonctionne l'écart médiatique
La théorie
Les investisseurs institutionnels déposent des rapports 13F chaque trimestre, divulguant leurs positions. Ces rapports révèlent ce que les investisseurs les plus avisés achètent et vendent. Parallèlement, la couverture médiatique reflète ce qui retient l'attention du grand public et des investisseurs particuliers.
Pourquoi le silence compte
Quand il existe un écart important entre l'activité d'achat institutionnelle et l'attention médiatique, cela signifie souvent que le smart money a identifié une opportunité que le marché dans son ensemble n'a pas encore reconnue. Le silence n'est pas aléatoire — c'est un signal que le marché a mal évalué quelque chose.