get_holders

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The AI and semiconductor universe read by holder. Without `holder`: the largest institutional holders from SEC Form 13F (value held, whole 13F book, share of the book placed in the universe, top segments, net move since the previous quarter), the universe companies that invest in each other (NVIDIA, Alphabet…), and the sector rotation (bought, sold, net by segment, valued at current-quarter prices, on holders present at both quarters). Holders that file no 13F but declare a stake above 5% in Schedule 13D/G — individuals (Elon Musk, Peter Thiel…), companies holding a stake — are listed apart (`list: 'declarants'` or `'individuals'`), valued at the quarter's reference prices. With `holder` — a key from a list, a name ('Vanguard', 'Elon Musk', 'Jensen Huang') or a director's SEC CIK — one holder in detail. A fund or an investor: positions by company (shares, value, weight, share of the company's capital, move, `heldSince` — the first quarter of its unbroken run of 13F declarations), sectors, flows, Schedule 13D/G declarations, and `history`: what it declared in the universe every quarter since the end of 2019; `performance`: what its declared AI-stock portfolio returned, quarter after quarter (the portfolio filed at the start of each quarter, held unchanged; never the change in declared value, which mixes prices with purchases), with its rank among active managers; `follow`: its page and an Atom feed of its filings. `list: 'performance'` ranks active managers by that return over the last quarter, a year, three or five years (`period`), best or worst (`order`), against SMH. A person (or a 13D/G declarant): one page for everything they file — `breakdown` splits each stake at the last price into shares held (and how: own name, trusts, companies), restricted ("bonus") shares, options (exercise price, expiry) and other rights, per the filings' own words and never guessed (`undetailed` otherwise); `insiderRoles` and `insiderFilings` give their Forms 3, 4 and 5. A person can have two true figures for one company: the shares held (Form 4) and what the SEC counts as theirs (Schedule 13D/G, which adds options exercisable within 60 days and unvested shares that vote): say which one you quote. Entities of a house are summed; a line whose value contradicts its share count is set aside; a value filed in thousands is scaled. `coverage.complete` false means a floor, not a market fact.