Impinj (PI) Held by Superinvestors
IMPINJ INC (PI) is currently held by 1 superinvestors tracked by InsiderSet, with a combined reported market value of approximately $58.04M based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026.
Whale Rock Capital Management is currently the largest disclosed institutional shareholder of PI tracked by InsiderSet, reporting ownership valued at approximately $58.04M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $67.70M, representing an estimated gain of +16.64% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 100% of the total disclosed PI value among the investors covered in this analysis. Major shareholders include Whale Rock Capital Management, and several other long-term asset managers with concentrated positions in IMPINJ INC (PI).
This page ranks the largest institutional PI shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Whale Rock Capital Management | Alex Sacerdote | 0.47% | 405,244 | $58,043,098 | $67,704,115 | +$9,661,017 | +16.64% |
Frequently asked questions about PI
Who are the largest superinvestors holding PI?
The largest superinvestors holding PI in the latest SEC Form 13F filings include Whale Rock Capital Management. InsiderSet ranks these superinvestors by their latest reported PI position.
What does the PI superinvestors page include?
This page tracks PI positions reported by a curated group of notable institutional investors and fund managers through SEC Form 13F. IMPINJ INC (PI) on this page reflects disclosed 13F holdings among those superinvestors, not every institutional shareholder of the stock.
How many superinvestors hold PI?
InsiderSet currently tracks 1 superinvestors reporting PI holdings in the latest available 13F data. This is the curated set on this page, not the total number of institutions that own PI.
How much PI stock do superinvestors hold?
Superinvestors tracked by InsiderSet disclosed approximately $58.04M in PI holdings for Q2 2026. This figure is reported 13F value as of the filing period, not necessarily today's market value, and it covers the curated superinvestors on this page rather than every institutional filer.
When were PI superinvestor holdings last updated?
The latest PI superinvestor holdings on InsiderSet are based on SEC Form 13F filings for the quarter ended June 30, 2026. 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 PI 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 PI position after the reporting date.
Are superinvestors buying or selling PI?
Buying and selling can be analyzed by comparing PI positions across consecutive 13F reporting periods. InsiderSet's PI Ownership Changes page shows institutions that increased, reduced, initiated, or exited positions based on reported 13F holdings. View PI ownership changes.
How have superinvestor PI holdings changed over time?
InsiderSet tracks PI holdings among these superinvestors across multiple 13F reporting periods, so holder counts, reported value, and reported shares can be compared over time.