Carparts.com (PRTS) Held by Superinvestors

CARPARTS.COM INC (PRTS) is currently held by 1 superinvestors tracked by InsiderSet, with a combined reported market value of approximately $840,272 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 PRTS tracked by InsiderSet, reporting ownership valued at approximately $840,272 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 $1.03M, representing an estimated gain of +22.20% since the filing period.

The top 10 institutional shareholders tracked on this page collectively account for approximately 100% of the total disclosed PRTS value among the investors covered in this analysis. Major shareholders include Renaissance Technologies LLC, and several other long-term asset managers with concentrated positions in CARPARTS.COM INC (PRTS).

This page ranks the largest institutional PRTS 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 Simons0.00%130,477$840,272$1,026,854+$186,582+22.20%
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Frequently asked questions about PRTS

  • Who are the largest superinvestors holding PRTS?

    The largest superinvestors holding PRTS in the latest SEC Form 13F filings include Renaissance Technologies LLC. InsiderSet ranks these superinvestors by their latest reported PRTS position.

  • What does the PRTS superinvestors page include?

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

  • How many superinvestors hold PRTS?

    InsiderSet currently tracks 1 superinvestors reporting PRTS holdings in the latest available 13F data. This is the curated set on this page, not the total number of institutions that own PRTS.

  • How much PRTS stock do superinvestors hold?

    Superinvestors tracked by InsiderSet disclosed approximately $840,272 in PRTS 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 PRTS superinvestor holdings last updated?

    The latest PRTS 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 PRTS 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 PRTS position after the reporting date.

  • Are superinvestors buying or selling PRTS?

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

  • How have superinvestor PRTS holdings changed over time?

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