Updated May 23, 2026 · 2142 articles
Insights
Research, news and field guides on institutional positioning. Powered by real SEC filings — 13F, 13D/G, Form 4.
Consensus Selling: When Many Funds Trim the Same Stock
Investors study consensus buying to find institutional favorites. The mirror image - when many independent managers trim the same name in one quarter - is a signal too, and a trickier one to read.
Sarah MitchellTrim vs Exit: Why Cutting a Winner Isn't Bearish
A fund reducing a position is not the same as a fund leaving it. Confusing a trim with an exit is one of the most common 13F reading errors. Here is how to tell them apart.
Sarah MitchellWhen a 13F Is Mostly One Stock: Reading Controlling Stakes
Some institutions report a 13F where a single company is 80% or 90% of the book. That is almost never a stock pick - it's a controlling or strategic stake. Here is how to read those filings.
Sarah MitchellHow a Spot-Bitcoin ETF Shows Up in Institutional 13Fs
Since spot-Bitcoin ETFs launched, they have started appearing in the 13Fs of hedge funds, pensions, and even sovereign wealth funds. Here is how to read those positions - and what they do and don't signal.
Sarah MitchellMubadala Q1 2026: A Sovereign Fund's $19B Chip Bet
Abu Dhabi's Mubadala holds 92% of its US 13F in GlobalFoundries (~$19B), with smaller bets on Arm, Micron, and a spot-Bitcoin ETF - a sovereign fund's chip-and-AI tilt.
Marcus ChenElliott Q1 2026: A 32-Stock Activist Book, Heavy on Energy
Elliott's concentrated 32-position 13F is anchored by activist energy stakes in Phillips 66 and Suncor, with a trimmed Southwest position and a growing HP Enterprise stake.
Marcus ChenEpoch Q1 2026: Playing Defense, Adding AbbVie, Cutting Semis
Epoch trimmed Applied Materials 25%, Meta 19%, and JPMorgan 11% in Q1 2026 while adding AbbVie - a value-income manager playing defense as its book shrank to $16.5B.
Marcus ChenEARNEST Partners Q1 2026: A $24B Book With No Megacaps
EARNEST Partners runs a $24B book with no megacaps up top - Moog, Woodward, GATX, Reinsurance Group - a diversified mid-cap industrial and specialty portfolio.
Marcus ChenO'Shaughnessy Q1 2026: Quant Model Adds Across Megacaps
O'Shaughnessy's quant model raised Apple 46%, Alphabet 28%, and Nvidia 26% in Q1 2026 - a systematic, across-the-board megacap tilt as the book doubled to $20B over two years.
Marcus ChenBezos Gifts $311M in Amazon Stock - and Why It's Not a Sale
Jeff Bezos transferred more than 1.25 million Amazon shares in early May 2026, worth roughly $311 million. The Form 4 codes them as gifts, not sales - a distinction that matters for how you read the filing.
Alex RiveraHow Foreign Stocks Show Up in a US 13F - and What's Hidden
Foreign companies appear in US 13Fs through ADRs and US-listed shares, but a global manager's filing captures only its US-listed sleeve. Here is what's in the data and what isn't.
Sarah MitchellA Fund's Biggest Holding vs Its Biggest Buy: Read Both
A fund's largest position often got there by appreciating, not by recent buying. To see where a manager's fresh conviction is, look at its biggest add instead. The two answer different questions.
Sarah MitchellWhy 'No Change' in a Fund's 13F Is Its Own Signal
Readers hunt 13Fs for the big buys and sells, but for a low-turnover manager the holdings left untouched can be the most informative part of the filing. Here is how to read inactivity.
Sarah MitchellWhy a Long-Short Fund's 13F Shows ETFs and Hides Shorts
When a famous stock-picker's largest reported holding is an S&P 500 ETF, it usually means you're reading a long-short fund's filing - which omits its shorts entirely. Here is how to read it.
Sarah MitchellWinslow Capital Q1 2026: Cutting Microsoft and Amazon
Winslow Capital cut Microsoft 29% and Amazon 33% in Q1 2026 while adding Apple, Alphabet, and Broadcom and holding Nvidia flat - a $25.7B concentrated growth book re-ranking the megacaps.
Marcus ChenHotchkis & Wiley Q1 2026: A Deep-Value Bet on Workday
Hotchkis & Wiley raised Workday 58% to its top holding in Q1 2026 while trimming Apache, F5, and Citigroup - a $32B deep-value shop rotating into beaten-down software.
Marcus ChenGotham Q1 2026: Why Greenblatt's Top Holding Is an ETF
Gotham Asset Management's largest 13F position is an S&P 500 ETF at 21% of the book - a window into how a long-short value manager's filing differs from a long-only fund's.
Marcus ChenEagle Capital Q1 2026: Big Bets on MercadoLibre and SAP
Eagle Capital raised MercadoLibre 91% and SAP 89% in Q1 2026 while holding its concentrated US core flat - a $29.8B quality manager reaching abroad for growth.
Marcus ChenBaron Capital Q1 2026: Still All-In on Tesla at 13%
Baron Capital held its giant Tesla stake flat at 13.4% of the book in Q1 2026 while adding to Gartner and Guidewire - a $33B growth book built on long-term conviction.
Marcus ChenTim Cook's April 2026 AAPL Sale: An RSU Vest, Not a Signal
Apple CEO Tim Cook sold $16.5 million of AAPL on April 2, 2026 under a prearranged 10b5-1 plan - the net shares from a routine annual RSU vesting, not a discretionary bet. He still holds about 3.3 million shares.
Alex Rivera