get_ownership

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Holders of a company, rebuilt from the SEC filings themselves (Schedule 13D/G, Form 13F, and the Forms 3, 4 and 5 that directors, officers and 10% owners file themselves). Each holder carries the accession number of the filing that declares it. Total declared ownership is given as TWO BOUNDS, never one number: two managers can report the same shares and the filings do not say which. The low bound counts once every position that the filings themselves show another manager may also report (an included manager that files its own 13F, or one that cannot be identified); the high bound adds every declaration. Report the range, not a single figure. The high bound can exceed 100%: shares lent to short sellers are declared by the lender and again by the buyer, a sub-adviser and its client can both report the same shares, and a 13G counts shares obtainable from convertibles or warrants. A 13F table copied into another filer's report is counted once. Always check `coverage`: when it is incomplete, the totals are a floor and the remainder is NOT float. `funds` lists the mutual funds and ETFs that hold the shares, from their own Form N-PORT reports: the same shares are inside their managers' 13F, never add them. For a reference ETF (SMH, QQQ, IWM), `etfHoldings` is the other side: the tracked companies inside the fund and their weight, from the fund's own N-PORT report. Directors, officers and 10% owners in office are counted in the holders and the totals as well (source "Form 4", their declared role in `insider`), once each: a joint filing with a fund, lines held through an entity already listed, the same shares declared by a spouse, or a person whose Schedule 13D/G is more recent are not added again; overlaps the filings cannot settle (family companies named differently by two relatives) sit between the low and high bounds. For directors, officers and 10% owners, `changeVsPrevious` is their movement since the `quarterlySnapshot`, on the shares counted here (`previousAsOf`: the filing that described their holding then); those who fell below the naming threshold since are in `insidersMovedBelowNamingThreshold`. `insiders` lists all of them with the shares each declared after their latest Form 3, 4 or 5 (the filing is linked) — already counted above, never add them again. Each holder and insider carries `holder`: pass it to get_holders for the detail — for a person, each stake broken down into shares held, restricted shares and options. `history` gives every quarter since the end of 2019 from the 13F filings (managers declaring the stock, shares, percent of the company at that date as an upper bound, value, stock pickers' part), and a 13F holder's `heldSince` the first quarter of its current unbroken run of declarations (`orEarlier`: since the start of the history). `moves` treats every change of a position as an event between two declarations of the same kind by the same holder: the 13F moves of the quarter (every manager that entered, increased, reduced or exited — `moves: "sales"` lists every reduction and exit), each Schedule 13D/G of the period with its nature (`crossed` 5%, `up`, `down`, `below` 5% — no longer required to report, NOT a sale —, `out`), and insiders since the snapshot. A 13F line whose value contradicts its share count is never read as a sale: that manager has no move (`unreadableManagers`).