Updated Mar 22, 2026 · 2187 articles
Insights
Research, news and field guides on institutional positioning. Powered by real SEC filings — 13F, 13D/G, Form 4.
Deutsche Bank’s $307.09B Q4 2025 Build: A Relentless Mega-Cap Engine Led by NVDA and MSFT
Deutsche Bank AG reached $307.09B in Q4 2025 13F assets, with NVDA and MSFT at the top of a broad mega-cap stack and a three-quarter acceleration in AUM.
Alex RiveraVictory Capital's $177.20B Q4 2025 Filing Extends a 58.7% Mid-Year AUM Step-Change
Victory Capital ended Q4 2025 at $177.20B after a +58.7% jump in Q2 and continued gains through year-end. The portfolio pairs mega-cap tech leadership with broad institutional sizing discipline.
Marcus ChenBaillie Gifford's $120.34B Q4 Reset: Growth Conviction Stayed, AUM Fell 10.9%
Baillie Gifford closed Q4 2025 at $120.34B after a -10.9% QoQ AUM move, while top holdings remained concentrated in global growth names like NVDA, MELI, and AMZN.
Alex RiveraCalPERS' $174.90B Q4 Blueprint: One Giant Index Core, Then AI Mega-Caps
CalPERS reported $174.90B in Q4 2025, with VOO at 11.89% and a top-10 concentration of 47.0%, combining passive core exposure with concentrated mega-cap growth.
Sarah MitchellMarshall Wace’s $109.85B Q4 2025 Surprise: A 22.13% IVV Position Towers Over Mega-Cap Bets
Marshall Wace ended Q4 2025 at $109.85B with a 22.13% IVV position, while NVDA, AMZN, AAPL, and MSFT sit far smaller, reshaping how to read the fund’s risk posture.
Alex RiveraMFS Runs a $310.12B Book Without a 5% Position: Why Breadth Is the Signal in Q4 2025
Massachusetts Financial Services closed Q4 2025 with $310.12B and 500 positions, but no single name above 4.30%. The portfolio shows deliberate risk spreading across mega-cap compounders instead of concentrated bets.
Sarah MitchellD. E. Shaw's $182.42B Q4 Pivot: A Quant Giant Scaling Risk, Not Concentration
D. E. Shaw reported $182.42B in Q4 2025 with 5,839 holdings and only 18.8% in its top 10 positions, signaling breadth-first scaling.
Alex RiveraNorthwestern Mutual’s $158.12B Q4 2025 Playbook: Why a 15.01% IVV Core Changes the Risk Math
Northwestern Mutual Wealth Management finished Q4 2025 at $158.12B, with 500 positions and a 15.01% IVV anchor that signals a rules-based, ETF-heavy allocation framework.
Sarah MitchellJanus Henderson's $223B Q4 2025 13F: Apple at #5 Is Their Loudest Active Call
Janus Henderson demoted Apple to fifth place behind NVIDIA, Microsoft, Amazon, and Alphabet — a 2.9% underweight versus passive benchmarks that reveals the firm's biggest active conviction.
Alex RiveraWhy Options-Heavy 13Fs Can Mislead Retail Investors
An options-heavy 13F can look aggressive, bearish, or brilliant when it may simply be hedged structure. Here is how to read those portfolios correctly.
Sarah MitchellWhale Scores Explained: How to Rank Managers Without Overfitting
Whale Scores are useful ranking tools, but only if you read them as context, not as a shortcut that replaces actual analysis.
Sarah MitchellOvata's $823M Q4 2025 13F: Spotify, Ryanair, and TSM Define a Concentrated Global Book
Ovata used a concentrated, international mix led by Spotify, Ryanair, TSM, and Bitcoin exposure, with converts layered in around the edges.
Marcus ChenA Microchip Director Sold About $646K After the Company Raised Its Q3 Outlook and Added New Debt
James Eric Bjornholt disclosed three Microchip stock sales worth about $646K across late November and late February as the chipmaker reset guidance and priced fresh convertible notes.
Alex RiveraMariner's $1.7B Q4 2025 13F: 65 New Positions and a Mega-Cap Rebuild
Mariner rebuilt around Microsoft, Lam Research, Alphabet, Costco, and Bitcoin exposure, with 65 new positions in a single quarter.
Marcus ChenJPMorgan's $1.6T Q4 2025 13F: 39 New Buys, 39 Exits, and a Sharper Risk Budget
JPMorgan rotated into names like LITE and RKLB while slashing broad ETFs and cyclical winners, producing one of the cleanest 39-for-39 resets in the mega-filer group.
Marcus ChenHow to Tell Passive Managers From Active Stock Pickers in 13F Data
Not every huge 13F belongs to a stock picker. This guide helps you separate passive plumbing from genuine active conviction.
Sarah MitchellHow to Read Crowded Institutional Trades Without Chasing Them
Crowded institutional favorites can be useful signals, but only if you separate durable consensus from late-cycle copying.
Sarah MitchellHow to Compare Consecutive 13F Quarters Without False Signals
Quarter-to-quarter comparisons are where most retail misreads happen. This guide shows how to compare filings without inventing signals that are not there.
Sarah MitchellHow to Build a Repeatable 13F Watchlist
A useful 13F process is repeatable. This guide shows how to turn filings into a watchlist you can actually maintain quarter after quarter.
Sarah Mitchell