Ies Holdings (IESC) Held by Superinvestors

IES HOLDINGS INC (IESC) is currently held by 3 superinvestors tracked by InsiderSet, with a combined reported market value of approximately $84.09M based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026.

Renaissance Technologies LLC is currently the largest disclosed institutional shareholder of IESC tracked by InsiderSet, reporting ownership valued at approximately $78.43M 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 $23.57M, representing an estimated loss of -69.95% since the filing period.

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

This page ranks the largest institutional IESC 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
Renaissance Technologies LLCJim Simons0.11%106,752$78,426,424$23,565,504-$54,860,920-69.95%
Polen Capital ManagementDavid M. Polen0.05%7,275$5,344,652$1,605,956-$3,738,696-69.95%
Sequoia Financial Advisors0.00%434$318,843$95,806-$223,038-69.95%
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Frequently asked questions about IESC

  • Who are the largest superinvestors holding IESC?

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

  • What does the IESC superinvestors page include?

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

  • How many superinvestors hold IESC?

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

  • How much IESC stock do superinvestors hold?

    Superinvestors tracked by InsiderSet disclosed approximately $84.09M in IESC 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 IESC superinvestor holdings last updated?

    The latest IESC 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 IESC 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 IESC position after the reporting date.

  • Are superinvestors buying or selling IESC?

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

  • How have superinvestor IESC holdings changed over time?

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