PTRB (PTRB) Held by Superinvestors
None of the superinvestors we track currently report PTRB in their latest SEC Form 13F filings.
13F filings cover institutional equity holdings and are reported quarterly with a delay. This stock may still have insider Form 4 activity or appear in future filings.
When tracked funds report positions in PTRB, this page will show asset manager ownership trends, hedge fund exposure, portfolio concentration, historical 13F filings, and estimated holding performance.
No data available.
Frequently asked questions about PTRB
Who are the largest superinvestors holding PTRB?
The largest superinvestors holding PTRB in the latest SEC Form 13F filings include major institutional investment managers. InsiderSet ranks these superinvestors by their latest reported PTRB position.
What does the PTRB superinvestors page include?
This page tracks PTRB positions reported by a curated group of notable institutional investors and fund managers through SEC Form 13F. PTRB on this page reflects disclosed 13F holdings among those superinvestors, not every institutional shareholder of the stock.
How many superinvestors hold PTRB?
InsiderSet tracks a curated group of superinvestors that report PTRB holdings in SEC Form 13F filings. The count on this page is that curated set, not every institution that owns PTRB.
How much PTRB stock do superinvestors hold?
InsiderSet aggregates disclosed PTRB position values from SEC Form 13F filings for the superinvestors on this page. Figures are reported 13F value, not necessarily today's market value, and they do not include every institutional filer.
When were PTRB superinvestor holdings last updated?
The latest PTRB superinvestor holdings on InsiderSet are based on the most recent SEC Form 13F filings available. Form 13F filings are generally reported after the quarter ends, so the holdings shown represent the latest publicly disclosed positions rather than real-time holdings.
Are superinvestor PTRB holdings real-time?
No. Form 13F data is not real-time. It represents positions reported by these superinvestors as of the end of the reporting quarter. A superinvestor may have changed its PTRB position after the reporting date.
Are superinvestors buying or selling PTRB?
Buying and selling can be analyzed by comparing PTRB positions across consecutive 13F reporting periods. InsiderSet's PTRB Ownership Changes page shows institutions that increased, reduced, initiated, or exited positions based on reported 13F holdings. View PTRB ownership changes.
How have superinvestor PTRB holdings changed over time?
InsiderSet tracks PTRB holdings among these superinvestors across multiple 13F reporting periods, so holder counts, reported value, and reported shares can be compared over time.