PENTAIR plc (PNR) Institutional Ownership

Ownership Summary

According to SEC filings for the period ending December 2025, PENTAIR plc (NYSE:PNR) is held by 742 institutional firms.

• The percentage of Pentair owned by institutions changed from 91.7% in September 2025 to 85.1% in December 2025, marking a slight down trend.
• The company experienced a 2.68% quarterly change in institutional shares held, alongside an increase of 5.85% in total owners annually.
• During the quarter, 345 institutions bought more Pentair shares, 261 sold shares, and 136 of the 742 total investors held their position steady.
• The aggregate institutional position in Pentair now stands at 141.31Mn shares as of December 2025, after investors increased their holdings (up by 3.69Mn shares quarter on quarter which is down 8.02Mn shares year over year).
• As of December 31, 2025, VANGUARD GROUP INC held Pentair's largest shareholding position with over 19.72Mn shares, representing 11.88% of total outstanding shares.
• Among the most significant buyers of Pentair during December 2025 were Assenagon Asset Management S.A. (688.92K), NORDEA INVESTMENT MANAGEMENT AB (647.16K), MORGAN STANLEY (441.88K), Squarepoint Ops LLC (434.66K), NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO (402.97K).
• Leading sellers of Pentair stock in December 2025 included UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC (625.84K), Pictet Asset Management Holding SA (565.72K), AQR CAPITAL MANAGEMENT LLC (358.20K), ALLIANCEBERNSTEIN L.P. (302.07K), Impax Asset Management Group plc (273.91K).
• The top 10 institutional holders of Pentair for the quarter ending December 2025 included VANGUARD GROUP INC (19.72Mn), BlackRock, Inc. (15.25Mn), STATE STREET CORP (8.62Mn), FMR LLC (6.03Mn), GEODE CAPITAL MANAGEMENT, LLC (4.43Mn), Pictet Asset Management Holding SA (4.22Mn), Amundi (3.75Mn), NORDEA INVESTMENT MANAGEMENT AB (3.48Mn), Impax Asset Management Group plc (3.31Mn), AMERIPRISE FINANCIAL INC (3.08Mn).