Jeremy Grantham's PNR Position Overview
Jeremy Grantham (via Grantham, Mayo, Van Otterloo & Co. LLC) currently holds 39,286 shares of Pentair plc (PNR) worth $4.09 M, representing 0.01% of the portfolio. First purchased in 2019-Q1, this medium-term investment has been held for 19 quarters.
Based on 13F filings, Jeremy Grantham has maintained a strategic position in PNR, demonstrating sustained confidence in this investment. Largest addition occurred in Q1 2022, adding 66,300 shares. Largest reduction occurred in Q4 2024, reducing 72,300 shares.
Analysis based on 13F filings available since 2013 Q2
Jeremy Grantham's Pentair plc (PNR) Holding Value Over Time
Track share changes against reported price movement
Quarterly Pentair plc (PNR) Trades by Jeremy Grantham
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q4 2025 | +2,190 | Add 5.90% | 39,286 | $104.14 |
| Q3 2025 | -18,784 | Reduce 33.61% | 37,096 | $110.76 |
| Q2 2025 | +4,603 | Add 8.98% | 55,880 | $102.66 |
| Q1 2025 | -25,841 | Reduce 33.51% | 51,277 | $87.48 |
| Q4 2024 | -72,300 | Reduce 48.39% | 77,118 | $100.64 |
| Q3 2024 | -54,554 | Reduce 26.75% | 149,418 | $97.79 |
| Q2 2024 | +44,900 | Add 28.23% | 203,972 | $76.67 |
| Q1 2024 | +12,000 | Add 8.16% | 159,072 | $85.44 |
| Q4 2023 | -26,300 | Reduce 15.17% | 147,072 | $72.71 |
| Q3 2023 | +46,500 | Add 36.65% | 173,372 | $64.75 |
| Q2 2023 | +54,400 | Add 75.06% | 126,872 | $64.60 |
| Q1 2023 | +200 | Add 0.28% | 72,472 | $55.27 |
| Q4 2022 | +7,100 | Add 10.89% | 72,272 | $44.98 |
| Q3 2022 | +1,972 | Add 3.12% | 65,172 | $40.63 |
| Q2 2022 | -42,700 | Reduce 40.32% | 63,200 | $45.78 |
| Q1 2022 | +66,300 | Add 167.42% | 105,900 | $54.21 |
| Q4 2021 | +39,600 | New Buy | 39,600 | $73.03 |
| Q2 2019 | -45,300 | Sold Out | 0 | $0.00 |
| Q1 2019 | +45,300 | New Buy | 45,300 | $44.50 |
Jeremy Grantham's Pentair plc Investment FAQs
Jeremy Grantham first purchased Pentair plc (PNR) in Q1 2019, acquiring 45,300 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Jeremy Grantham has held Pentair plc (PNR) for 19 quarters since Q1 2019.
Jeremy Grantham's largest addition to Pentair plc (PNR) was in Q1 2022, adding 105,900 shares worth $5.74 M.
According to the latest 13F filing for Q4 2025, Jeremy Grantham's firm, Grantham, Mayo, Van Otterloo & Co. LLC, owns 39,286 shares of Pentair plc (PNR), valued at approximately $4.09 M.
As of the Q4 2025 filing, Pentair plc (PNR) represents approximately 0.01% of Jeremy Grantham's publicly disclosed stock portfolio, making it one of their key holdings.
Jeremy Grantham's peak holding in Pentair plc (PNR) was 203,972 shares, as reported at the end of Q2 2024.