Tiger Global’s Q3 2025 13F shows a return to aggressive growth positioning. While many hedge funds have been rotating into defensives, Chase Coleman continues leaning into secular digital winners, cloud infrastructure, and global e-commerce — with several noteworthy additions and high-conviction increases. Below is a breakdown of the most significant … Read More
Why Top Investors Are Buying Constellation Brands (STZ)
According to their latest 13F filings, institutional investors made a series of notable moves in Constellation Brands (STZ), one of the leading global producers of premium beer, wine, and spirits. STZ’s steady cash generation, strong brand portfolio, and resilient consumer demand continue to attract both long-term value investors and quantitative … Read More
Buffett Goes Big on Alphabet: Full Breakdown of Berkshire’s Q3 Buys
The latest 13F from Berkshire Hathaway shows a characteristically concentrated — but unusually active — quarter for Warren Buffett. While Berkshire trimmed several long-held positions earlier in 2025, this filing reveals where capital actually flowed in. Much of the activity reflects classic Buffett behavior: doubling down on durable franchises, opportunistic … Read More
Tom Gayner’s Markel Group Q3 2025 13F: Focused Portfolio, Selective Trims, and Full Exits Signal Continued Discipline
In the most recent Q3 2025 13F filing, Tom Gayner’s Markel Group Inc. reported a portfolio valued at $12.32 billion, with the top ten holdings accounting for 40.89 % of total assets. A disciplined capital allocator known for his long-term, quality-at-a-fair-price philosophy, Gayner maintained a largely stable portfolio this quarter, … Read More
Michael Burry’s Scion Asset Management Q3 2025 Portfolio Analysis
In a decisive move that underscores his reputation as a staunch contrarian, Michael Burry’s Scion Asset Management has taken a massive bearish stance against the market’s leading artificial intelligence companies. The firm’s most recent 13F filing reveals that put options on Palantir Technologies and NVIDIA constitute nearly 80% of its … Read More
Rob Olstein Trims Major Holdings in Tech, Industrials, and Financials Amid Valuation Discipline
In the most recent Q3 2025 13F, Rob Olstein’s Olstein Capital Management L.P. made a series of sizable reductions across its equity portfolio, signaling a disciplined repositioning after a strong market run. Known for his focus on intrinsic value, free cash flow, and accounting quality, Olstein appears to have trimmed … Read More
Guy Spier (Aquamarine Zurich AG) – Q3 2025 13F Portfolio Review
In the most recent 13F filing, Guy Spier’s Aquamarine Zurich AG reported a portfolio valued at $317.37 million, with the top five holdings accounting for 77.64 % of total assets. A disciple of Warren Buffett and Mohnish Pabrai, Spier continues to run one of the most concentrated and quality-focused portfolios … Read More
David Tepper Scales Back China Exposure and Sells Out of Key Tech Giants
In the most recent 13F, David Tepper’s Appaloosa LP made a series of significant reductions across its equity portfolio. Known for his tactical macro positioning and opportunistic value approach, Tepper appears to have trimmed exposure to several high-growth and technology-linked names after strong runs, while consolidating capital into core holdings … Read More
Bruce Berkowitz’s Top 5 Positions Represent 99.32% Of The Total Portfolio
In the most recent 13F, Bruce Berkowitz’s Fairholme Capital Management LLC reported a portfolio valued at $1.23 billion, with the top five holdings making up an exceptionally concentrated 99.32% of total assets. Berkowitz, a long-time deep-value investor, continues to focus on a handful of high-conviction bets—particularly in companies with tangible … Read More
Why Top Investors Are Buying Bristol-Myers Squibb Co (BMY)
According to their latest 13F filings, institutional investors made a series of notable moves in Bristol-Myers Squibb (BMY), reflecting growing confidence in the pharmaceutical giant’s pipeline strength, consistent cash flows, and attractive valuation amid ongoing healthcare sector volatility. Several top asset managers added meaningfully to their positions during the most … Read More
Why Top Investors Are Buying Thermo Fisher Scientific Inc. (TMO)
According to their latest 13F filings, institutional investors made a series of notable moves in Thermo Fisher Scientific (TMO), highlighting conviction in the company’s role as a global leader in life sciences tools, diagnostics, and biopharma services. The stock continues to attract attention from some of the world’s most prominent … Read More
Lee Ainslie’s Maverick Capital Slashes Stakes in Lam Research, Dollar Tree, Rentokil, and More
In the most recent quarter, Lee Ainslie of Maverick Capital made a series of significant reductions across his equity portfolio. Known for running a concentrated, high-conviction strategy with a strong emphasis on fundamental research, Ainslie appears to be exiting or dramatically trimming several positions where conviction may have waned or … Read More
Andreas Halvorsen Slashes Meta, Trims High-Beta Bets
According to their latest 13F filings, Andreas Halvorsen’s Viking Global Investors LP made aggressive reductions across multiple high-profile holdings in Q2 2025, signaling a broad shift away from higher-beta growth stocks. The most dramatic cut came in Meta Platforms Inc. (META), where the fund pared back nearly its entire position. … Read More
Why Top Investors Are Buying FISERV INC (FI)
According to their latest 13F filings, institutional investors made a series of notable moves in Fiserv Inc. (FI), reflecting ongoing interest in the financial technology leader. Known for its payment processing, digital banking solutions, and broad fintech footprint, FI continues to attract a diverse range of hedge funds and asset … Read More
John Rogers Trims Key Holdings: Northern Trust, Schwab, Smucker Among Top Reductions
In the most recent quarter, John W. Rogers Jr. of Ariel Appreciation Fund made a series of notable reductions across his equity holdings. Known for his disciplined, long-term approach to investing in undervalued small and mid-cap stocks, Rogers appears to be actively trimming positions where valuations may have stretched or … Read More
Why Top Investors Are Buying Amazon.com, Inc. (AMZN)
According to their latest 13F filings, institutional investors made a series of compelling moves in Amazon.com, Inc. (AMZN), signaling renewed confidence in the e-commerce and cloud giant. Known for its dominant position in online retail, AWS leadership, and expanding advertising business, AMZN continues to attract high-profile funds seeking long-term growth … Read More
Carl Icahn Exits Dana And Illumina: Capital Redeployment Signals Portfolio Repositioning
Carl Icahn’s latest 13F filing reveals a decisive shift in his portfolio strategy. The legendary activist investor exited two positions entirely this quarter: Dana Inc. (DAN) and Illumina Inc. (ILMN). A Clean Break From Industrials And Biotech The moves were not small trims but full disposals—100% exits that remove both … Read More
Steve Mandel’s Top 10 Positions Make Up 60.18% His Portfolio
According to his latest 13F filings, Steve Mandel’s top ten positions account for a substantial 60.18% of his $11.58 billion equity portfolio, showcasing a focused investment style built around dominant tech and consumer franchises. The portfolio is heavily tilted toward proven compounders in software, e-commerce, and digital infrastructure. Below is … Read More
Lee Ainslie’s Top Portfolio Trims: Starbucks, Pinterest, and ZoomInfo Are Major Reductions
Each week, we unpack the latest high-conviction trades from legendary investors — revealing what they’re doubling down on, cutting loose, or quietly walking away from. In the most recent quarter, Lee Ainslie — founder of Maverick Capital made significant reductions in his equity portfolio. Known for his long/short equity strategy … Read More
Superinvestor Moves: Berkshire Hathaway – Class B (BRK.B) – Tracking Top Investor Activity Last Quarter
Data from our SuperinvestorHub platform reveals that one of the most widely held stocks last quarter was Berkshire Hathaway Inc. Class B (BRK.B). Our coverage includes 55 top investors, including Warren Buffett, Howard Marks, Joel Greenblatt, and Guy Spier. As part of our ongoing series, we’re breaking down quarterly activity … Read More




















