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Browse Filers All 13F institutional filers
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Portfolio activity

Quarterly Activity Top buys, sells, openings and exits
AUM Movers Biggest assets-under-management swings
Last Quarter's Movers Notable position changes
Double-Down Report Increased-conviction buys
Conviction Heat Map Crowded positions at a glance

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13F Trends Sector and flow trends
13F Statistics Aggregate filing statistics
Overlap Matrix Compare filer portfolios side by side
Clone Backtest Backtest a combined clone of several filers
Beneficial Ownership Recent 13D / 13G >5% stakes

Markets

Index Composition & Rebalance 7 indexes Constituents and observed changes for seven major US indexes, with forecasts where methodology permits Free constituent lists

Funds & market activity

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Funds & ETFs Registered funds and ETFs from Form NPORT-P
Investment Advisers SEC-registered Form ADV firms
IPO Feed S-1 registrations turned into structured data

Macro & catalysts

Economic Data Federal Reserve and macro indicators
Economic Calendar Upcoming macro data releases
FDA Calendar Upcoming FDA advisory-committee meetings
Congress Net Worth Richest members by disclosed net worth
Congress Leaderboard Members ranked by portfolio performance

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Short interest & flow

Most Shorted Squeeze Risk Largest Short Volume Highest Off-Exchange Share Reporting Calendar

Company intelligence

Earnings Calendar Insider Sentiment Largest Buybacks Going-Concern Flags

Institutions 13F filings, portfolios & smart money

Fund Letters Start here

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Browse Filers Smart Money Index Superinvestors Top by AUM Most-Held Stocks

Portfolio activity

Quarterly Activity AUM Movers Last Quarter's Movers Double-Down Report Conviction Heat Map

Filings & analysis

Latest Filings 13F Trends 13F Statistics Overlap Matrix Clone Backtest Beneficial Ownership

Markets Indexes, funds, macro & market events

Index Composition & Rebalance Start here

Funds & market activity

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Macro & catalysts

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Stocks
SID
20-F

SID 20-F

National Steel Co (SID)

20-F 2025-04-30 For: 2024-12-31

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Added on April 11, 2026

20-F · SID

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