13F filings with QoQ position actions + concentration register.

Who owns this name, from the quarterly 13F filings, in two layers. The top is the aggregate read — concentration regime, share of float held by institutions, net buyers against net sellers. Under it sits the ledger the aggregate is made of: which kind of manager owns it, which of them hold it as a conviction position (more than 2% of their own book), and who the biggest buyers and sellers were this quarter.
What it is for is spotting a cluster. Three hedge funds or value managers building the same name in the same quarter is a different signal from one index fund rebalancing into it, and the manager-kind breakdown plus the biggest-movers strip surface that without reading the whole holders table row by row.
Add Panel › Macro › Positioning & Options › Institutional Ownership.Ctrl+P) by name. The panel follows the active symbol, so pointing the chart at a ticker points this at it too.The high-edge read here is the cluster move — multiple managers of the same kind building the same name in the same quarter. A single hedge fund adding NVDA isn't informative; three hedge funds doing it in the same quarter is. The kind breakdown surfaces this: