Atkore (ATKR) Held by Superinvestors
ATKORE INC (ATKR) is currently held by 1 superinvestors tracked by InsiderSet, with a combined reported market value of approximately $638,736 based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026.
Chou Associates Management is currently the largest disclosed institutional shareholder of ATKR tracked by InsiderSet, reporting ownership valued at approximately $638,736 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 $797,664, representing an estimated gain of +24.88% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 100% of the total disclosed ATKR value among the investors covered in this analysis. Major shareholders include Chou Associates Management, and several other long-term asset managers with concentrated positions in ATKORE INC (ATKR).
This page ranks the largest institutional ATKR 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 |
|---|---|---|---|---|---|---|---|
| Chou Associates Management | Francis Chou | 0.29% | 8,400 | $638,736 | $797,664 | +$158,928 | +24.88% |
Frequently asked questions about ATKR
Who are the largest superinvestors holding ATKR?
The largest superinvestors holding ATKR in the latest SEC Form 13F filings include Chou Associates Management. InsiderSet ranks these superinvestors by their latest reported ATKR position.
What does the ATKR superinvestors page include?
This page tracks ATKR positions reported by a curated group of notable institutional investors and fund managers through SEC Form 13F. ATKORE INC (ATKR) on this page reflects disclosed 13F holdings among those superinvestors, not every institutional shareholder of the stock.
How many superinvestors hold ATKR?
InsiderSet currently tracks 1 superinvestors reporting ATKR holdings in the latest available 13F data. This is the curated set on this page, not the total number of institutions that own ATKR.
How much ATKR stock do superinvestors hold?
Superinvestors tracked by InsiderSet disclosed approximately $638,736 in ATKR 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 ATKR superinvestor holdings last updated?
The latest ATKR 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 ATKR 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 ATKR position after the reporting date.
Are superinvestors buying or selling ATKR?
Buying and selling can be analyzed by comparing ATKR positions across consecutive 13F reporting periods. InsiderSet's ATKR Ownership Changes page shows institutions that increased, reduced, initiated, or exited positions based on reported 13F holdings. View ATKR ownership changes.
How have superinvestor ATKR holdings changed over time?
InsiderSet tracks ATKR holdings among these superinvestors across multiple 13F reporting periods, so holder counts, reported value, and reported shares can be compared over time.