[{"data":1,"prerenderedAt":384},["ShallowReactive",2],{"learn-en-ray-buffett-guide":3},{"id":4,"title":5,"body":6,"category":371,"description":372,"extension":373,"featured":374,"image":375,"meta":376,"navigation":377,"path":378,"publishedAt":379,"readingMinutes":380,"seo":381,"stem":382,"updatedAt":379,"__hash__":383},"learnEn\u002Fen\u002Flearn\u002Fray-buffett-guide.md","Just Copy Whatever Buffett Buys? RayBuffett Portfolio Tracker Full Guide",{"type":7,"value":8,"toc":360},"minimark",[9,16,21,24,27,30,38,41,48,52,57,60,65,68,96,99,104,111,114,119,122,127,130,134,137,143,149,155,161,164,168,171,194,198,201,283,286,290,293,326,329,333,337],[10,11,12],"blockquote",{},[13,14,15],"p",{},"⚠️ All content in this article is for informational purposes only and does not constitute investment advice. Investing involves risk — please assess your own risk tolerance and consult official sources and professional financial advisors.",[17,18,20],"h2",{"id":19},"when-buffett-buys-something-how-long-before-you-find-out","When Buffett buys something, how long before you find out?",[13,22,23],{},"Warren Buffett, the \"Oracle of Omaha,\" runs Berkshire Hathaway — a company worth over a trillion dollars. Every time he buys or sells a stock, investors worldwide pay attention.",[13,25,26],{},"But here's the problem — how do you find out what he bought?",[13,28,29],{},"The answer is buried in filings with the U.S. Securities and Exchange Commission (SEC). By regulation, institutions managing over $100 million must submit a 13F report every quarter, publicly disclosing their holdings. Berkshire is of course on that list.",[13,31,32,33,37],{},"The catch is a critical time lag: ",[34,35,36],"strong",{},"up to 45 days of delay",". That means Buffett's March 31 holdings might not be visible until May 15 at the latest. On top of that, the raw SEC filings are in XML format — practically unreadable for regular people.",[13,39,40],{},"RayBuffett solves this problem — it automatically searches the latest filings, translates them into plain language, analyzes position changes, and warns you about the risks of copycat investing.",[42,43,45],"prose-button",{"gem":44},"ray-buffett",[13,46,47],{},"Try RayBuffett Now",[17,49,51],{"id":50},"what-can-it-do","What can it do?",[13,53,54],{},[34,55,56],{},"Latest Holdings Overview",[13,58,59],{},"Ask \"What are Buffett's latest holdings?\" and it searches the most recent 13F report, presenting a complete portfolio — stock names, tickers, share counts, market value, and portfolio percentage — all at a glance.",[13,61,62],{},[34,63,64],{},"Position Change Analysis",[13,66,67],{},"This is the most useful feature. It compares two consecutive quarterly 13F filings to identify:",[69,70,71,78,84,90],"ul",{},[72,73,74,77],"li",{},[34,75,76],{},"New positions",": Stocks that weren't there last quarter but appeared this quarter",[72,79,80,83],{},[34,81,82],{},"Increased positions",": Stocks where share count went up",[72,85,86,89],{},[34,87,88],{},"Reduced positions",": Stocks where share count went down",[72,91,92,95],{},[34,93,94],{},"Exited positions",": Stocks that were held last quarter but completely disappeared",[13,97,98],{},"Every change comes with specific share counts and percentage changes — not just a vague \"increased\" label.",[13,100,101],{},[34,102,103],{},"Real-Time Form 4 Tracking",[13,105,106,107,110],{},"13F filings have a 45-day delay, but there's another filing called Form 4 — when Berkshire owns more than 10% of a company, every transaction must be reported within ",[34,108,109],{},"2 business days",". That's practically real-time.",[13,112,113],{},"RayBuffett also searches Form 4 filings, so you can catch significant trades between quarterly 13F reports. Buffett's massive Bank of America (BAC) sell-off in 2024 was first revealed through Form 4 filings.",[13,115,116],{},[34,117,118],{},"Single Stock Lookup",[13,120,121],{},"Want to know if Buffett holds a specific stock? Just ask. It'll tell you the current status, historical changes, and portfolio percentage.",[13,123,124],{},[34,125,126],{},"Filing Calendar Alerts",[13,128,129],{},"Based on the current date, it proactively tells you: which 13F was the most recent, and when the next one is expected. No need to count 45 days yourself.",[17,131,133],{"id":132},"copying-buffett-isnt-as-simple-as-you-think","Copying Buffett isn't as simple as you think",[13,135,136],{},"RayBuffett tracks the data for you, but it also honestly warns you about the risks of copycat investing:",[13,138,139,142],{},[34,140,141],{},"The time lag is your biggest enemy."," By the time you see the 13F, Buffett may have already increased, reduced, or completely exited positions during those 45 days. You're following the \"past tense,\" not the \"present tense.\"",[13,144,145,148],{},[34,146,147],{},"The price has already moved."," Buffett bought at some point during the quarter. By the time you see the report, the stock might be up 10% or 20%. Your cost basis is completely different from his.",[13,150,151,154],{},[34,152,153],{},"The scale gap is enormous."," Buffett manages hundreds of billions of dollars. His \"small position\" could be billions. He can stomach volatility that retail investors might not survive.",[13,156,157,160],{},[34,158,159],{},"Confidential treatment exists."," Berkshire occasionally requests \"confidential treatment\" from the SEC, delaying disclosure of positions still being built. By the time you see them, he may have already finished buying.",[13,162,163],{},"RayBuffett includes these risk reminders in every analysis. It's not telling you not to follow — it's telling you to follow with your eyes open.",[17,165,167],{"id":166},"how-to-ask-effectively","How to ask effectively?",[13,169,170],{},"Common queries:",[69,172,173,176,179,182,185,188,191],{},[72,174,175],{},"\"Buffett's latest holdings\" → Searches latest 13F, outputs full portfolio table",[72,177,178],{},"\"Any recent changes?\" → Focuses on new positions, increases, decreases, exits",[72,180,181],{},"\"Does Buffett own Apple?\" → Checks AAPL status in Berkshire's portfolio",[72,183,184],{},"\"When is the next 13F due?\" → Filing schedule info",[72,186,187],{},"\"Why did Buffett sell bank stocks?\" → Searches news and shareholder meeting comments",[72,189,190],{},"\"I want to copy Buffett's trades\" → Provides copycat strategy with risk warnings",[72,192,193],{},"\"Track this daily for me\" → Sets up tracking mode, auto-searches each conversation",[17,195,197],{"id":196},"_13f-filing-schedule-reference","13F Filing Schedule Reference",[13,199,200],{},"Not sure when new data will be available? This table helps:",[202,203,204,223],"table",{},[205,206,207],"thead",{},[208,209,210,214,217,220],"tr",{},[211,212,213],"th",{},"Quarter",[211,215,216],{},"Holdings Cutoff",[211,218,219],{},"Filing Deadline",[211,221,222],{},"What It Means",[224,225,226,241,255,269],"tbody",{},[208,227,228,232,235,238],{},[229,230,231],"td",{},"Q1",[229,233,234],{},"March 31",[229,236,237],{},"May 15",[229,239,240],{},"Mid-May: see the first three months' holdings",[208,242,243,246,249,252],{},[229,244,245],{},"Q2",[229,247,248],{},"June 30",[229,250,251],{},"August 14",[229,253,254],{},"Mid-August: see end-of-H1 holdings",[208,256,257,260,263,266],{},[229,258,259],{},"Q3",[229,261,262],{},"September 30",[229,264,265],{},"November 14",[229,267,268],{},"Mid-November: see end-of-Q3 holdings",[208,270,271,274,277,280],{},[229,272,273],{},"Q4",[229,275,276],{},"December 31",[229,278,279],{},"February 14 (next year)",[229,281,282],{},"Valentine's Day: see year-end holdings",[13,284,285],{},"Berkshire usually files just days before the deadline — Buffett doesn't want people knowing what he's buying too early.",[17,287,289],{"id":288},"where-does-the-data-come-from","Where does the data come from?",[13,291,292],{},"RayBuffett doesn't rely on memory — it searches live every time. Data source priority:",[294,295,296,302,308,314,320],"ol",{},[72,297,298,301],{},[34,299,300],{},"SEC EDGAR"," — The official SEC website, the primary source for 13F and Form 4 filings",[72,303,304,307],{},[34,305,306],{},"Dataroma"," — Free superinvestor portfolio tracking platform",[72,309,310,313],{},[34,311,312],{},"WhaleWisdom"," — In-depth analysis and historical trends",[72,315,316,319],{},[34,317,318],{},"GuruFocus"," — Guru investor tracking and valuation tools",[72,321,322,325],{},[34,323,324],{},"Financial news"," — CNBC, Bloomberg, and other real-time reporting",[13,327,328],{},"Every data point includes its source so you can verify it yourself. If something can't be found, it honestly says \"not available\" — no fabrication.",[42,330,331],{"gem":44},[13,332,47],{},[17,334,336],{"id":335},"related-gem-recommendations","Related Gem Recommendations",[69,338,339,347,354],{},[72,340,341,346],{},[342,343,345],"a",{"href":344},"\u002Flearn\u002Fray-stock-ai-guide","RayStock AI Stock Analysis"," — Taiwan stock real-time analysis, pairs well with Buffett portfolio tracking",[72,348,349,353],{},[342,350,352],{"href":351},"\u002Flearn\u002Fray-stock101-guide","RayStock101 Stock Basics Teacher"," — New to stocks? Start with the fundamentals",[72,355,356],{},[342,357,359],{"href":358},"\u002F","Browse All Featured Gems →",{"title":361,"searchDepth":362,"depth":362,"links":363},"",2,[364,365,366,367,368,369,370],{"id":19,"depth":362,"text":20},{"id":50,"depth":362,"text":51},{"id":132,"depth":362,"text":133},{"id":166,"depth":362,"text":167},{"id":196,"depth":362,"text":197},{"id":288,"depth":362,"text":289},{"id":335,"depth":362,"text":336},"Gem Tutorials","RayBuffett automatically searches Buffett's latest SEC 13F filings and real-time Form 4 transactions, helping you track Berkshire Hathaway's buy and sell moves, analyze new positions, increases, decreases, and exits, with risk warnings for copycat investing.","md",false,null,{},true,"\u002Fen\u002Flearn\u002Fray-buffett-guide","2026-04-01",7,{"title":5,"description":372},"en\u002Flearn\u002Fray-buffett-guide","4bGAJmMGCT05W_rmY9sMmK8X_GTOo5t11kt1sNXYwQo",1775702204305]