Orion S.a. (OEC) Held by Superinvestors
ORION S.A. (OEC) is currently held by 4 superinvestors tracked by InsiderSet, with a combined reported market value of approximately $27.87M based on the latest available SEC Form 13F filings for the quarter ended September 30, 2026.
Pzena Investment Management is currently the largest disclosed institutional shareholder of OEC tracked by InsiderSet, reporting ownership valued at approximately $26.39M in its September 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 $18.59M, representing an estimated loss of -29.54% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 100% of the total disclosed OEC value among the investors covered in this analysis. Major shareholders include Pzena Investment Management, Renaissance Technologies LLC, Tweedy, Browne Co All Funds (US), and several other long-term asset managers with concentrated positions in ORION S.A. (OEC).
This page ranks the largest institutional OEC 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 |
|---|---|---|---|---|---|---|---|
| Pzena Investment Management | Richard Pzena | 0.08% | 4,695,354 | $26,387,889 | $18,593,602 | -$7,794,287 | -29.54% |
| Renaissance Technologies LLC | Jim Simons | 0.00% | 123,096 | $816,126 | $487,460 | -$328,666 | -40.27% |
| Tweedy, Browne Co All Funds (US) | B. Tweedy, Ch. Browne | 0.05% | 103,946 | $584,177 | $411,626 | -$172,551 | -29.54% |
| Sequoia Financial Advisors | 0.00% | 12,725 | $84,367 | $50,391 | -$33,976 | -40.27% |
Frequently asked questions about OEC
Who are the largest superinvestors holding OEC?
The largest superinvestors holding OEC in the latest SEC Form 13F filings include Pzena Investment Management, Renaissance Technologies LLC, Tweedy, Browne Co All Funds (US), and Sequoia Financial Advisors. InsiderSet ranks these superinvestors by their latest reported OEC position.
What does the OEC superinvestors page include?
This page tracks OEC positions reported by a curated group of notable institutional investors and fund managers through SEC Form 13F. ORION S.A. (OEC) on this page reflects disclosed 13F holdings among those superinvestors, not every institutional shareholder of the stock.
How many superinvestors hold OEC?
InsiderSet currently tracks 4 superinvestors reporting OEC holdings in the latest available 13F data. This is the curated set on this page, not the total number of institutions that own OEC.
How much OEC stock do superinvestors hold?
Superinvestors tracked by InsiderSet disclosed approximately $27.87M in OEC holdings for Q3 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 OEC superinvestor holdings last updated?
The latest OEC superinvestor holdings on InsiderSet are based on SEC Form 13F filings for the quarter ended September 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 OEC 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 OEC position after the reporting date.
Are superinvestors buying or selling OEC?
Buying and selling can be analyzed by comparing OEC positions across consecutive 13F reporting periods. InsiderSet's OEC Ownership Changes page shows institutions that increased, reduced, initiated, or exited positions based on reported 13F holdings. View OEC ownership changes.
How have superinvestor OEC holdings changed over time?
InsiderSet tracks OEC holdings among these superinvestors across multiple 13F reporting periods, so holder counts, reported value, and reported shares can be compared over time.