Quarterly deep analysis of institutional holdings, hedge fund strategies, and market trends.
Renaissance Technologies' Q4 2025 13F filing reveals the most radical portfolio overhaul in years: an 85% NVIDIA slash, complete Meta exit, 749 positions liquidated, and massive defensive pivots to Costco (+5,221%) and Netflix (+2,545%) — all in the aftermath of October's devastating Quant Quake.
Bridgewater Associates 10x'd their S&P 500 ETF position to $4.8 billion — making SPY 22% of the entire portfolio. Inside the Q4 2024 13F: massive sector rotation, 168 position exits, new Tesla and Robinhood bets, and a consumer defensive retreat that reshaped a $21.8 billion fund.
A position-by-position analysis of Berkshire Hathaway's Q4 2024 13F filing. Apple selling stops at 300M shares, BAC reduction continues at -14.7%, Constellation Brands enters as the only new buy, and the top 5 holdings dominate at 72% of the $267B portfolio.
The February 14 deadline has passed and every major whale fund has filed. Berkshire stopped selling Apple at 300M shares, Bridgewater made a 10x SPY bet, Renaissance doubled down on Robinhood and Spotify, Ackman added Nike, Viking rotated massively into financials, and Burry went all-in on China. Here is what the data reveals.
We analyzed 8,541 Q4 2025 13F filings from 8,484 institutional investors to find where smart money converges — and where it diverges. From Microsoft's $264 billion in new institutional capital to the Technology sector's $1.3 trillion dominance, here's what the data reveals about Wall Street's collective positioning heading into 2026.