PENTAIR PLC PNR
SHS · Common Stock · CUSIP G7S00T104
Irish tax-resident US water treatment company
- SectorIndustrials
- IndustrySpecial Industry Machinery (No Metalworking Machinery)
- HeadquartersDublin, United Kingdom
- Founded1950
- Websitepentair.com
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($59.3m this quarter). Holder counts are more reliable. Shares outstanding: 159.6m as of 2026-06-30, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $76.86. Options: 10 managers hold calls ($18.9m notional), 12 hold puts ($14.0m).
Trends to Q2 2026
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 488 |
| Q4 2022 | 502 |
| Q1 2023 | 525 |
| Q2 2023 | 550 |
| Q3 2023 | 581 |
| Q4 2023 | 609 |
| Q1 2024 | 632 |
| Q2 2024 | 636 |
| Q3 2024 | 671 |
| Q4 2024 | 714 |
| Q1 2025 | 726 |
| Q2 2025 | 739 |
| Q3 2025 | 763 |
| Q4 2025 | 784 |
| Q1 2026 | 736 |
| Q2 2026 | 720 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q3 2024 | 299 | 305 |
| Q4 2024 | 314 | 294 |
| Q1 2025 | 323 | 336 |
| Q2 2025 | 343 | 329 |
| Q3 2025 | 381 | 307 |
| Q4 2025 | 325 | 359 |
| Q1 2026 | 297 | 408 |
| Q2 2026 | 348 | 352 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2025 | $105.3m | $12.3m | 0.12 |
| Q4 2025 | $117.1m | $64.6m | 0.55 |
| Q1 2026 | $50.7m | $65.3m | 1.29 |
| Q2 2026 | $18.9m | $14.0m | 0.74 |
Biggest buyers
| Bank of New York Mellon Corp | Added | +2.5m |
| D. E. Shaw & Co., Inc. | Added | +1.5m |
| NORDEA INVESTMENT MANAGEMENT AB | Added | +1.4m |
| Invesco Ltd. | Added | +971.0k |
| CITADEL ADVISORS LLC | Added | +926.6k |
| AQR CAPITAL MANAGEMENT LLC | Added | +872.4k |
| FMR LLC | Added | +779.0k |
| Gates Capital Management, Inc. | Added | +772.9k |
| DIMENSIONAL FUND ADVISORS LP | Added | +772.1k |
| Woodline Partners LP | Added | +658.4k |
Biggest sellers
| PRICE T ROWE ASSOCIATES INC /MD/ | Reduced | -4.8m |
| Pictet Asset Management Holding SA | Reduced | -3.0m |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | Reduced | -2.7m |
| Balyasny Asset Management L.P. | Reduced | -891.0k |
| AMERIPRISE FINANCIAL INC | Reduced | -578.3k |
| BlackRock, Inc. | Reduced | -559.2k |
| NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | Reduced | -433.9k |
| PANAGORA ASSET MANAGEMENT INC | Reduced | -383.7k |
| MILLENNIUM MANAGEMENT LLC | Reduced | -368.7k |
| Schonfeld Strategic Advisors LLC | Reduced | -303.5k |
Biggest calls
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $7.2m94.0k shares |
| JANE STREET GROUP, LLC | Added | $4.1m53.9k shares |
| UBS Group AG | Unchanged | $2.5m32.1k shares |
| CITADEL ADVISORS LLC | Added | $2.2m28.4k shares |
| IMC-Chicago, LLC | Added | $1.7m21.8k shares |
| Walleye Trading LLC | Added | $720.6k9.4k shares |
| TWO SIGMA INVESTMENTS, LP | Added | $306.6k4.0k shares |
| SIMPLEX TRADING, LLC | Reduced | $130.3k1.7k shares |
| GROUP ONE TRADING LLC | Reduced | $46.0k600 shares |
| Walleye Capital LLC | Added | $46.0k600 shares |
Biggest puts
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $4.7m61.2k shares |
| IMC-Chicago, LLC | Added | $2.2m28.1k shares |
| CITADEL ADVISORS LLC | Added | $1.9m24.5k shares |
| Squarepoint Ops LLC | New | $1.1m13.8k shares |
| Walleye Trading LLC | Added | $973.6k12.7k shares |
| Twin Tree Management, LP | New | $827.9k10.8k shares |
| JANE STREET GROUP, LLC | Reduced | $758.9k9.9k shares |
| SIMPLEX TRADING, LLC | Added | $628.6k8.2k shares |
| TWO SIGMA INVESTMENTS, LP | Added | $375.6k4.9k shares |
| Capula Management Ltd | Unchanged | $314.3k4.1k shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-04-28 | 7.6% |
| BlackRock, Inc. 13G · institution -2.1 pts · filed 2026-10-27 | 6.9% |
Fell to 5% or below in the last year: PRICE T ROWE ASSOCIATES INC /MD/ (4.0%, 2026-08-14), VANGUARD GROUP INC (0.0%, 2026-03-26; now reported by VANGUARD CAPITAL MANAGEMENT LLC)
Insider purchases and sales since 1 Apr 2026
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q4 2024 | 0 | — | 2 | $795.0k | $795.0k |
| Q1 2025 | 0 | — | 1 | $706.6k | — |
| Q2 2025 | 0 | — | 1 | $589.8k | — |
| Q3 2025 | 0 | — | 0 | — | — |
| Q4 2025 | 0 | — | 2 | $1.5m | $684.2k |
| Q1 2026 | 0 | — | 2 | $1.4m | $670.2k |
| Q2 2026 | 0 | — | 0 | — | — |
| Q3 2026 | 0 | — | 0 | — | — |
None reported since 1 Apr 2026.
Holders, Q2 2026
| Manager | Shares | Change |
|---|---|---|
| BlackRock, Inc. 0.02% of their portfolio | 14.5m $1.1bn | Reduced -559.2k |
| VANGUARD CAPITAL MANAGEMENT LLC 0.02% of their portfolio | 10.6m $810.1m | Reduced -52.6k |
| STATE STREET CORP 0.02% of their portfolio | 9.2m $701.7m | Added +397.1k |
| VANGUARD PORTFOLIO MANAGEMENT LLC 0.03% of their portfolio | 7.5m $575.2m | Reduced -116.3k |
| FMR LLC 0.02% of their portfolio | 6.8m $518.0m | Added +779.0k |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.05% of their portfolio | 6.4m $491.3m | Reduced -4.8m |
| NORDEA INVESTMENT MANAGEMENT AB 0.33% of their portfolio | 5.3m $402.0m | Added +1.4m |
| Invesco Ltd. 0.03% of their portfolio | 5.0m $384.5m | Added +971.0k |
| GEODE CAPITAL MANAGEMENT, LLC 0.02% of their portfolio | 4.4m $338.0m | Added +6.0k |
| Amundi 0.07% of their portfolio | 3.9m $302.4m | Reduced -292.6k |
| Bank of New York Mellon Corp 0.04% of their portfolio | 3.4m $263.7m | Added +2.5m |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 0.08% of their portfolio | 3.3m $252.1m | Added +595.0k |
| DIMENSIONAL FUND ADVISORS LP 0.04% of their portfolio | 3.0m $231.4m | Added +772.1k |
| MORGAN STANLEY 0.01% of their portfolio | 2.6m $203.0m | Added +374.7k |
| AMERIPRISE FINANCIAL INC 0.04% of their portfolio | 2.5m $191.1m | Reduced -578.3k |
| D. E. Shaw & Co., Inc. 0.10% of their portfolio | 2.1m $161.8m | Added +1.5m |
| Impax Asset Management Group plc 1.04% of their portfolio | 2.1m $160.0m | Added +371.8k |
| DEUTSCHE BANK AG\ 0.04% of their portfolio | 2.0m $150.0m | Added +421.2k |
| NORTHERN TRUST CORP 0.02% of their portfolio | 1.8m $140.8m | Reduced -205.7k |
| ProShare Advisors LLC 0.20% of their portfolio | 1.8m $140.1m | Added +246.2k |
| Gates Capital Management, Inc. 4.22% of their portfolio | 1.7m $128.4m | Added +772.9k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.02% of their portfolio | 1.5m $114.9m | Added +16.9k |
| DekaBank Deutsche Girozentrale 0.21% of their portfolio | 1.5m $127.3m | Unchanged |
| HSBC HOLDINGS PLC 0.05% of their portfolio | 1.5m $111.2m | Added +181.0k |
| UBS Group AG 0.02% of their portfolio | 1.4m $110.4m | Added +213.2k |
| Woodline Partners LP 0.34% of their portfolio | 1.4m $109.9m | Added +658.4k |
| AQR CAPITAL MANAGEMENT LLC 0.04% of their portfolio | 1.4m $108.7m | Added +872.4k |
| KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC 0.34% of their portfolio | 1.4m $108.1m | Reduced -104.3k |
| CITADEL ADVISORS LLC 0.06% of their portfolio | 1.4m $104.8m | Added +926.6k |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.12% of their portfolio | 1.4m $104.5m | Added +100.8k |
| FIRST TRUST ADVISORS LP 0.06% of their portfolio | 1.3m $98.9m | Added +74.5k |
| GOLDMAN SACHS GROUP INC 0.01% of their portfolio | 1.2m $88.9m | Reduced -218.0k |
| Legal & General Group Plc 0.02% of their portfolio | 1.1m $83.4m | Reduced -30.3k |
| ALLIANCEBERNSTEIN L.P. 0.03% of their portfolio | 1.1m $92.3m | Added +48.8k |
| NOMURA ASSET MANAGEMENT CO LTD 0.16% of their portfolio | 976.8k $74.9m | Reduced -107.2k |
| Pictet Asset Management Holding SA 0.07% of their portfolio | 918.3k $70.4m | Reduced -3.0m |
| VANGUARD FIDUCIARY TRUST CO 0.02% of their portfolio | 906.8k $69.5m | Reduced -13.8k |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 792.7k $61.1m | Reduced -112.0k |
| Clean Energy Transition LLP 4.15% of their portfolio | 778.1k $59.7m | Added +212.3k |
| Nuveen, LLC 0.01% of their portfolio | 654.5k $50.2m | Added +87.3k |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. 0.05% of their portfolio | 621.1k $47.6m | Added +100.9k |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 612.1k $46.9m | Reduced -483 |
| BNP PARIBAS FINANCIAL MARKETS 0.02% of their portfolio | 567.5k $43.5m | Added +84.1k |
| KBC Group NV 0.09% of their portfolio | 563.8k $43.2m | Added +178.2k |
| Vest Financial, LLC 0.43% of their portfolio | 539.6k $41.4m | Added +56.3k |
| PARNASSUS INVESTMENTS, LLC 0.11% of their portfolio | 529.5k $40.6m | Reduced -17.8k |
| Eurizon Capital SGR S.p.A. 0.11% of their portfolio | 511.2k $39.2m | Added +114.7k |
| Allianz Asset Management GmbH 0.04% of their portfolio | 476.4k $41.5m | Reduced -123.8k |
| Swiss National Bank 0.02% of their portfolio | 455.8k $34.9m | Reduced -24.5k |
| Mitsubishi UFJ Asset Management Co., Ltd. 0.02% of their portfolio | 443.4k $34.0m | Added +36.8k |
| Russell Investments Group, Ltd. 0.03% of their portfolio | 434.3k $33.2m | Added +27.1k |
| Balyasny Asset Management L.P. 0.06% of their portfolio | 413.8k $31.7m | Reduced -891.0k |
| RENAISSANCE TECHNOLOGIES LLC 0.04% of their portfolio | 408.9k $31.3m | Added +79.2k |
| Robeco Schweiz AG 0.50% of their portfolio | 404.1k $31.0m | Added +111.0k |
| Sumitomo Mitsui Trust Group, Inc. 0.02% of their portfolio | 392.4k $30.1m | Added +5.6k |
| Zimmer Partners, LP 0.68% of their portfolio | 375.0k $28.7m | Added +175.0k |
| SG Americas Securities, LLC 0.02% of their portfolio | 355.9k $27.3m | Added +114.3k |
| BROWN ADVISORY INC 0.04% of their portfolio | 354.0k $27.1m | Added +128.2k |
| Vanguard Global Advisers, LLC 0.01% of their portfolio | 348.4k $26.7m | Reduced -9.1k |
| DEROY & DEVEREAUX PRIVATE INVESTMENT COUNSEL INC 1.11% of their portfolio | 348.2k $26.7m | Reduced -4.3k |
| California Public Employees Retirement System 0.01% of their portfolio | 345.0k $26.4m | Reduced -158.3k |
| RHUMBLINE ADVISERS 0.02% of their portfolio | 341.3k $26.2m | Added +7.4k |
| Point72 Asset Management, L.P. 0.04% of their portfolio | 333.6k $25.6m | New |
| VANGUARD ASSET MANAGEMENT, Ltd 0.02% of their portfolio | 320.9k $24.6m | Added +29.3k |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC 0.10% of their portfolio | 318.8k $24.4m | Added +125.5k |
| Zurcher Kantonalbank (Zurich Cantonalbank) 0.05% of their portfolio | 313.1k $24.0m | Added +66.9k |
| FIL Ltd 0.02% of their portfolio | 307.8k $23.6m | Added +92.8k |
| Janney Montgomery Scott LLC 0.05% of their portfolio | 305.9k $23.4m | New |
| Caisse de depot et placement du Quebec 0.03% of their portfolio | 295.9k $22.7m | Added +53.7k |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 290.7k $22.3m | Added +3.1k |
| Man Group plc 0.04% of their portfolio | 290.2k $22.3m | Reduced -137.4k |
| Vontobel Holding Ltd. 0.07% of their portfolio | 284.1k $21.8m | Added +27.2k |
| Walleye Capital LLC 0.10% of their portfolio | 282.2k $21.6m | Added +231.7k |
| MIROVA 0.79% of their portfolio | 280.3k $21.5m | Added +51.4k |
| NORGES BANK 0.00% of their portfolio | 274.7k $21.1m | Not comparable |
| TUDOR INVESTMENT CORP ET AL 0.08% of their portfolio | 258.1k $19.8m | Added +25.5k |
| BARCLAYS PLC 0.01% of their portfolio | 258.1k $19.8m | Reduced -202.8k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.02% of their portfolio | 256.6k $19.7m | Reduced -6.8k |
| Aberdeen Group plc 0.03% of their portfolio | 240.2k $18.4m | Added +10.6k |
| Perpetual Ltd 0.26% of their portfolio | 238.4k $18.3m | Added +89.2k |
| Zuckerman Investment Group, LLC 1.53% of their portfolio | 236.5k $18.1m | Added +112 |
| STOREBRAND ASSET MANAGEMENT AS 0.04% of their portfolio | 234.4k $18.0m | Reduced -22.2k |
| Quantinno Capital Management LP 0.02% of their portfolio | 230.0k $17.6m | Added +136.5k |
| Squarepoint Ops LLC 0.03% of their portfolio | 227.1k $17.4m | Added +140.8k |
| Gotham Asset Management, LLC 0.04% of their portfolio | 225.7k $17.3m | Added +53.8k |
| Vident Advisory, LLC 0.13% of their portfolio | 224.9k $17.2m | Added +109.9k |
| CITIGROUP INC 0.01% of their portfolio | 224.4k $17.2m | Added +9.8k |
| Treasurer of the State of North Carolina 0.04% of their portfolio | 222.5k $17.1m | Reduced -137.0k |
| Swedbank AB 0.01% of their portfolio | 220.0k $16.9m | Reduced -4.1k |
| PANAGORA ASSET MANAGEMENT INC 0.05% of their portfolio | 219.7k $16.8m | Reduced -383.7k |
| DUFF & PHELPS INVESTMENT MANAGEMENT CO 0.16% of their portfolio | 217.5k $16.7m | Reduced -2.2k |
| Handelsbanken Fonder AB 0.04% of their portfolio | 206.0k $15.8m | Added +19.1k |
| PRINCIPAL FINANCIAL GROUP INC 0.01% of their portfolio | 203.6k $15.6m | Reduced -5.0k |
| CIBC Bancorp USA Inc. 0.02% of their portfolio | 202.6k $15.5m | Reduced -3.8k |
| RAYMOND JAMES FINANCIAL INC 0.00% of their portfolio | 194.6k $14.9m | Added +8.9k |
| MILLENNIUM MANAGEMENT LLC 0.01% of their portfolio | 187.1k $14.3m | Reduced -368.7k |
| BANK OF MONTREAL /CAN/ 0.01% of their portfolio | 186.0k $14.3m | Added +57.8k |
| Universal- Beteiligungs- und Servicegesellschaft mbH 0.02% of their portfolio | 184.9k $14.2m | Reduced -28.7k |
| T. Rowe Price Investment Management, Inc. 0.01% of their portfolio | 183.9k $14.1m | Reduced -68.1k |
| AVIVA PLC 0.02% of their portfolio | 183.7k $14.1m | Reduced -108.0k |