Pentair PNR Institutional Ownership

Updated Oct 30, 2026

PENTAIR plc (NYSE:PNR) had 720 institutional holders reporting a position on Form 13F for the quarter ended June 30, 2026.

• These investors held 94.99% of Pentair's outstanding shares at the end of Q2 2026, up from 94.06% in Q1 2026.
• Total shares held in PNR fell 0.06% from Q1 2026; the number of holders fell 1.91% from Q2 2025.
• Looking at the 720 holders of PNR individually, 353 added to their positions, 257 reduced their stakes and 110 left their positions unchanged.
• Altogether, institutional holders owned 152.75Mn PNR shares at the end of Q2 2026, down 96.65K from the prior quarter and up 6.51Mn from a year earlier.
• As of June 30, 2026, BlackRock, Inc. held the largest stake in Pentair with 14.51Mn shares, or 9.02% of shares outstanding.
• Holders that added the most shares of Pentair in Q2 2026 were Bank of New York Mellon Corp (+2.52Mn shares), D. E. Shaw & Co., Inc. (+1.51Mn shares), Nordea Investment Management AB (+1.36Mn shares), Invesco Ltd. (+970.96K shares) and Citadel Advisors LLC (+926.58K shares).
• The largest position reductions in PNR for Q2 2026 were by T. Rowe Price Associates Inc (-4.84Mn shares), Pictet Asset Management Holding SA (-2.99Mn shares), UBS Asset Management Americas (-2.7Mn shares), Balyasny Asset Management L.P. (-890.96K shares) and Ameriprise Financial Inc (-578.34K shares).
• Business Quant data shows the 10 biggest positions in Pentair as of Q2 2026 were held by BlackRock, Inc. (14.51Mn shares), Vanguard Capital Management LLC (10.57Mn shares), State Street Corp (9.15Mn shares), Vanguard Portfolio Management LLC (7.5Mn shares), FMR LLC (6.76Mn shares), T. Rowe Price Associates Inc (6.41Mn shares), Nordea Investment Management AB (5.28Mn shares), Invesco Ltd. (5.02Mn shares), Geode Capital Management, LLC (4.43Mn shares) and Amundi (3.95Mn shares).