Latest research, educational guides, and news from the world of institutional investing.
Stephen Mandel's Lone Pine Capital dumped its entire $971M Meta Platforms position and opened 14 new positions worth $6.4B in Q4 2025. The portfolio went from 25 to 32 holdings with a strikingly flat concentration — no single stock above 6.82%. A breakdown of the most dramatic single-quarter transformation by any Tiger Cub this filing season.
Healthcare was the quiet consensus trade of Q4 2025. Point72 put $4.3B (11.3% of its portfolio) into healthcare led by a $1.1B BridgeBio bet. Soros deployed $10.9B across 37 positions. DE Shaw held 31 healthcare names worth $10.9B. But the approaches diverged wildly — from biotech moonshots to managed care defensives. A cross-fund breakdown.
Elliott nearly doubled its 13F from $11.7B to $22.6B in Q4 2025, deploying $6.9B across activist targets Phillips 66, Suncor, and Southwest Airlines. Gold hedge held firm at $5.8B as the world's most active activist reloaded for parallel campaigns.
Philippe Laffont deployed $15.7B across 27 new positions — including a $3.2B semiconductor equipment cluster in LRCX and AMAT — while fully exiting CoreWeave. Coatue's AUM hit an all-time high of $39.96B with top-10 concentration dropping 14.5 points.
Institutional investors added 883 new positions in Micron and 856 in AMD during Q4 2025, but NVIDIA barely grew despite being a $3 trillion position. ARM was the only major semiconductor to lose value. Here's where 5,578 institutions stand on the AI chip trade.
The 100 largest institutional investors shifted $49.5 trillion across sectors in Q4 2025. Healthcare was the clear winner at +12.7%, Communication Services gained 8.2%, while Consumer Defensive and Utilities barely moved. Here's the full sector-by-sector breakdown.
Nearly 1,700 corporate insiders collectively spent $12 billion buying their own companies' stock in Q4 2025. From a $7.6 billion biotech mega-deal to a DoorDash board member's $100 million conviction bet, here's where executives put their money where their mouth is.
Point72's Q4 2025 13F grew to $89.4B with 880 additional holdings, major QQQ rebuild, and lower concentration in the top bucket.
Tiger Global's Q4 2025 13F rose 42.47% in value while top-10 concentration dropped 13.06 points, led by large new stakes in MSFT, AMZN, TTWO, and TSM.
Soros Fund Management expanded 13F value by 22.93% in Q4 2025, added 59 holdings, and launched a $415M XOP position while keeping Amazon as the top core holding.
Lone Pine Capital's Q4 2025 13F shows a dramatic scale-up with breadth expansion, a full META exit, and a new CVNA position entering the top three.
D.E. Shaw's Q4 2025 13F highlights de-crowding: a $3.81B QQQ line exit offset by larger SPY and AMD allocations, with top-10 concentration declining to 15.97%.
Appaloosa's Q4 2025 13F shows a dramatic concentration reset: Alibaba weight fell from 32.07% to 10.88% as portfolio value rose 92.67% and holdings breadth more than doubled.
Millennium's Q4 2025 13F reveals a $16.6B QQQ sleeve rollover, a $4.23B build in Walmart, and a portfolio that grew to $237.8B while top-10 concentration moved higher.
Citadel Advisors ended Q4 2025 with a $665.9B 13F portfolio, up 1.33% QoQ, while reducing top-position concentration. The filing shows a clear rebalance: heavier Alphabet and semiconductor exposure, paired with lower SPY/QQQ index hedge weight.
THOMA BRAVO, L.P. filed a highly concentrated Q4 2025 13F: 95.4% in SailPoint, 99.1% in top two names, and only three reported holdings. We break down what changed from Q3, why MeridianLink disappeared, and how to read sponsor-style filings versus hedge-fund-style filings.
Scion filed no Q4 2025 13F by Feb 19, 2026. Burry's final filing concentrated 96.7% into PLTR/NVDA put exposure, then the fund deregistered seven days later—an extreme final act with unusual conviction and timing.
Viking Global's Q4 2025 13F reveals a portfolio in violent transition: Amazon re-entered after Q3 exit, Meta dumped for Alphabet, banks slashed 60%, and 21 new positions opened. Inside the $37.7B fund's 56% turnover rate.
Bill Ackman's Pershing Square filed its Q4 2025 13F revealing a brand-new $1.76 billion Meta Platforms position, a 65% Amazon increase, 50% Brookfield accumulation, and a full Chipotle exit — pushing tech exposure to 55% of the $15.5B portfolio.
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.