Updated Apr 28, 2026 · 2187 articles
Insights
Research, news and field guides on institutional positioning. Powered by real SEC filings — 13F, 13D/G, Form 4.
Martine Rothblatt's April UTHR Sale Needs the Option and Beneficial Ownership Context
Martine Rothblatt sold stock after an April 2026 option exercise, but the filing reads very differently once you separate the exercise-and-sell mechanics from the remaining ownership picture.
Alex RiveraMarc Benioff's Salesforce Filings Still Need the Ownership Check Before You Call Them Selling Pressure
Marc Benioff remains one of the market’s most prolific sellers of CRM stock, but the latest read still requires share-class and beneficial-ownership context before investors overstate the signal.
Alex RiveraDomino's Soft Q1 Landed in a Holder Base Still Anchored by Berkshire
Domino’s reported first-quarter 2026 results on April 27 and reset parts of its sales outlook. The ownership data shows the stock still sits in a deep holder base anchored by Berkshire Hathaway.
Alex RiveraMeta's Blocked Manus Deal Lands in One of the Market's Deepest Ownership Bases
China ordered Meta to unwind the Manus acquisition on April 27, 2026. The news matters because META sits inside one of the deepest institutional ownership maps in the market, not because one deal defines the thesis.
Alex RiveraWellington Q1 2026 Preview: Will the Defensive Refill Outlast the AI Core?
Wellington enters the 2026Q1 filing season with a familiar AI-heavy top book and a quieter Q4 defensive refill in healthcare and staples. The next filing will show which side won more capital.
Marcus ChenCapital International Investors Q1 2026 Preview: Can Broadcom Stay the Anchor?
Capital International heads into the 2026Q1 filing window with Broadcom at the top of the last reported book and fresh adds in Apple, Philip Morris, Amazon, Bank of America, and Caterpillar.
Marcus ChenCapital World Investors Q1 2026 Preview: Did the Reddit and Netflix Rotation Stick?
Capital World enters the 2026Q1 filing season after a calm-looking Q4 that quietly added Reddit and rebuilt Netflix. The next report should show whether that rotation was tactical or durable.
Marcus ChenFMR Q1 2026 Preview: Nvidia Stayed on Top, but the Next Filing Will Test the 51-Name Reset
FMR enters the 2026Q1 filing window with Nvidia still at the center of a $1.96T reported book, but investors should focus on whether the Q4 reset in Netflix, HCA, Meta, and TSM continues.
Marcus ChenHow To Read 13F Turnover Without Chasing Every New Position
A filing can show dozens of new positions and dozens of exits without signaling a full thesis reset. This guide shows how to separate real conviction from routine book maintenance.
Sarah MitchellHow To Tell A Post-Earnings Rerating From A One-Day Pop
Some earnings reactions change the market’s long-term view of a stock. Others are just relief bounces. This guide shows how ownership and guidance help you tell the difference.
Sarah MitchellWhat A Strategic Holder Exit Actually Changes For A Stock
When a strategic or corporate holder sells down a large position, the biggest effect may be market structure rather than sentiment. This guide explains how to read those exits.
Sarah MitchellHow To Read 10b5-1 Sales Without Throwing Away Insider Data
A 10b5-1 label weakens the same-day sentiment signal, but it does not make a Form 4 irrelevant. This guide shows what still matters after you identify a planned sale.
Sarah MitchellHow To Use Holder Depth Before An Earnings Release
An earnings date tells you when a stock might move. Holder depth helps you judge how the move might stick. This guide shows how to use institutional ownership before a catalyst hits.
Sarah MitchellHow To Separate Strategic Stake Sales From Bearish Insider Signals
Not every large Form 4 sale means management is turning negative. This guide shows how to separate strategic stake monetization, 10b5-1 selling, and real discretionary warning signs.
Sarah MitchellVerizon’s Q1 Beat Landed In One Of The Deepest Holder Bases In U.S. Telecom
Verizon raised guidance after first-quarter 2026 results, and the ownership data shows why the market reaction matters: few telecom names carry a holder base this deep.
Alex RiveraAlexis Le-Quoc’s Datadog Sale Needs The 10b5-1 And Class B Context
Datadog CTO Alexis Le-Quoc sold 43,224 Class A shares on April 22, but the filing reads very differently once investors include the 10b5-1 context and his remaining Class B control.
Alex RiveraFluor’s Final NuScale Exit Was A Capital Allocation Event, Not A Routine Insider Sale
Fluor’s April 21 sale of 13.5 million NuScale shares took its direct stake to zero, completing a months-long monetization program that has now generated roughly $2.43 billion.
Alex RiveraUnited's American Merger Approach Hits Two Very Different Holder Bases
United Airlines' CEO confirmed he approached American Airlines about a merger. The ownership data shows why the market reaction is really a two-register story across UAL and AAL.
Alex RiveraIntellia's Lonvo-Z Win Lands In A 311-Holder Ownership Map
Intellia's positive Phase 3 lonvo-z data is not just a biotech headline. The ownership file shows 311 tracked institutional holders, a deep active-manager base, and recent 13D/G activity around NTLA.
Alex RiveraKenneth Duda's Arista Sale Needs The 10b5-1 And AI Demand Context
Arista CTO Kenneth Duda's April Form 4 shows a large exercise-and-sale sequence, but the plan detail and AI-networking backdrop change the read.
Alex Rivera