Oppenheimer Holdings-cl A (OPY) Held by Superinvestors

OPPENHEIMER HOLDINGS-CL A (OPY) is currently held by 3 superinvestors tracked by InsiderSet, with a combined reported market value of approximately $13.59M based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026.

Arbiter Partners Capital Management is currently the largest disclosed institutional shareholder of OPY tracked by InsiderSet, reporting ownership valued at approximately $7.03M 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 $5.58M, representing an estimated loss of -20.63% since the filing period.

The top 10 institutional shareholders tracked on this page collectively account for approximately 100% of the total disclosed OPY value among the investors covered in this analysis. Major shareholders include Arbiter Partners Capital Management, Renaissance Technologies LLC, Polen Capital Management, and several other long-term asset managers with concentrated positions in OPPENHEIMER HOLDINGS-CL A (OPY).

This page ranks the largest institutional OPY 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.

NameInvestor/ManagerPortfolio %QuantityReported BalanceCurrent Estimated ValueGain/loss Since FilingEstimated Portfolio Performance
Arbiter Partners Capital ManagementPaul Isaac3.76%66,599$7,028,858$5,578,998-$1,449,860-20.63%
Renaissance Technologies LLCJim Simons0.01%35,298$3,725,351$2,956,913-$768,438-20.63%
Polen Capital ManagementDavid M. Polen0.02%26,834$2,832,060$2,247,884-$584,176-20.63%
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Frequently asked questions about OPY

  • Who are the largest superinvestors holding OPY?

    The largest superinvestors holding OPY in the latest SEC Form 13F filings include Arbiter Partners Capital Management, Renaissance Technologies LLC, and Polen Capital Management. InsiderSet ranks these superinvestors by their latest reported OPY position.

  • What does the OPY superinvestors page include?

    This page tracks OPY positions reported by a curated group of notable institutional investors and fund managers through SEC Form 13F. OPPENHEIMER HOLDINGS-CL A (OPY) on this page reflects disclosed 13F holdings among those superinvestors, not every institutional shareholder of the stock.

  • How many superinvestors hold OPY?

    InsiderSet currently tracks 3 superinvestors reporting OPY holdings in the latest available 13F data. This is the curated set on this page, not the total number of institutions that own OPY.

  • How much OPY stock do superinvestors hold?

    Superinvestors tracked by InsiderSet disclosed approximately $13.59M in OPY 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 OPY superinvestor holdings last updated?

    The latest OPY 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 OPY 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 OPY position after the reporting date.

  • Are superinvestors buying or selling OPY?

    Buying and selling can be analyzed by comparing OPY positions across consecutive 13F reporting periods. InsiderSet's OPY Ownership Changes page shows institutions that increased, reduced, initiated, or exited positions based on reported 13F holdings. View OPY ownership changes.

  • How have superinvestor OPY holdings changed over time?

    InsiderSet tracks OPY holdings among these superinvestors across multiple 13F reporting periods, so holder counts, reported value, and reported shares can be compared over time.