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Impax Asset Management Group plc
Period ended Sep 30, 2026 · Latest filing Nov 10, 2026
These quarterly holdings are delayed and may not include all assets or short positions.
Values are from the reporting date, not current prices or purchase costs.
The same security may appear in multiple rows.
Source: SEC
Reported portfolio value
Quarter-end reported holdings; not current value or investment performance.
View reported values
- Sep 30, 2026: $13,028,813,246
More quarters will appear as history becomes available.
Top holdings
Top 10 at Sep 30, 2026. Matching entries are combined; security classes and options remain separate. Shares exclude principal amounts; option shares reflect the reported underlying amount.
View top holdings values
- NVIDIA Corp · Common Stock · 67066G104 · shares: $663,068,808
- Linde PLC · Common Stock · G54950103 · shares: $598,619,771
- Microsoft Corp · Common Stock · 594918104 · shares: $540,991,025
- Veralto Corp · Common Stock · 92338C103 · shares: $484,779,795
- Xylem Inc/NY · Common Stock · 98419M100 · shares: $478,248,035
- KLA Corp · Common Stock · 482480100 · shares: $438,311,544
- Cintas Corp · Common Stock · 172908105 · shares: $390,486,805
- American Water Works Co Inc · Common Stock · 030420103 · shares: $388,942,640
- Cia de Saneamento Basico do Es · ADR · 20441A102 · shares: $274,576,378
- Advanced Drainage Systems Inc · Common Stock · 00790R104 · shares: $270,482,769
Reported holdings
287 reported entries| Issuer | Class | CUSIP | Type | Shares / principal | Reported value (USD) |
|---|---|---|---|---|---|
| NVIDIA Corp | Common Stock | 67066G104 | — | 2,903,357 shares | $663,068,808 |
| Linde PLC | Common Stock | G54950103 | — | 1,261,181 shares | $598,619,771 |
| Microsoft Corp | Common Stock | 594918104 | — | 1,054,769 shares | $540,991,025 |
| Veralto Corp | Common Stock | 92338C103 | — | 5,139,735 shares | $484,779,795 |
| Xylem Inc/NY | Common Stock | 98419M100 | — | 4,722,504 shares | $478,248,035 |
| KLA Corp | Common Stock | 482480100 | — | 2,248,558 shares | $438,311,544 |
| Cintas Corp | Common Stock | 172908105 | — | 2,001,880 shares | $390,486,805 |
| American Water Works Co Inc | Common Stock | 030420103 | — | 3,004,114 shares | $388,942,640 |
| Cia de Saneamento Basico do Es | ADR | 20441A102 | — | 51,709,299 shares | $274,576,378 |
| Advanced Drainage Systems Inc | Common Stock | 00790R104 | — | 2,134,660 shares | $270,482,769 |
| Waste Connections Inc | Common Stock | 94106B101 | — | 1,727,885 shares | $265,973,325 |
| Ecolab Inc | Common Stock | 278865100 | — | 956,238 shares | $262,563,830 |
| Vertiv Holdings Co | Common Stock | 92537N108 | — | 905,494 shares | $218,504,888 |
| Core & Main Inc | Common Stock | 21874C102 | — | 4,829,730 shares | $200,337,200 |
| Ferguson Enterprises Inc | Common Stock | 31488V107 | — | 895,921 shares | $199,449,920 |
| Hubbell Inc | Common Stock | 443510607 | — | 438,681 shares | $198,985,877 |
| IDEX Corp | Common Stock | 45167R104 | — | 814,419 shares | $185,671,195 |
| Watts Water Technologies Inc | Common Stock | 942749102 | — | 509,213 shares | $180,353,060 |
| TE Connectivity PLC | Common Stock | G87052109 | — | 845,721 shares | $178,514,865 |
| Agilent Technologies Inc | Common Stock | 00846U101 | — | 1,035,969 shares | $178,507,872 |
| Marvell Technology Inc | Common Stock | 573874104 | — | 674,197 shares | $178,129,764 |
| Westinghouse Air Brake Technol | Common Stock | 929740108 | — | 570,456 shares | $163,823,621 |
| A O Smith Corp | Common Stock | 831865209 | — | 2,742,397 shares | $154,588,919 |
| Itron Inc | Common Stock | 465741106 | — | 1,622,212 shares | $140,061,791 |
| Aptiv PLC | Common Stock | G3265R107 | — | 3,184,521 shares | $136,998,108 |
| Apple Inc | Common Stock | 037833100 | — | 387,371 shares | $129,002,290 |
| Badger Meter Inc | Common Stock | 056525108 | — | 1,036,334 shares | $128,028,702 |
| Tetra Tech Inc | Common Stock | 88162G103 | — | 3,838,753 shares | $126,486,911 |
| Synopsys Inc | Common Stock | 871607107 | — | 283,731 shares | $123,406,051 |
| Amphenol Corp | Common Stock | 032095101 | — | 1,463,600 shares | $123,381,518 |
| Masco Corp | Common Stock | 574599106 | — | 1,821,261 shares | $122,752,991 |
| AECOM | Common Stock | 00766T100 | — | 2,076,441 shares | $122,406,197 |
| Zurn Elkay Water Solutions Cor | Common Stock | 98983L108 | — | 2,567,001 shares | $119,288,536 |
| RenaissanceRe Holdings Ltd | Common Stock | G7496G103 | — | 359,728 shares | $114,476,492 |
| Franklin Electric Co Inc | Common Stock | 353514102 | — | 1,146,722 shares | $109,959,173 |
| Cadence Design Systems Inc | Common Stock | 127387108 | — | 328,759 shares | $108,551,290 |
| Pentair PLC | Common Stock | G7S00T104 | — | 2,013,086 shares | $106,673,427 |
| Union Pacific Corp | Common Stock | 907818108 | — | 391,517 shares | $106,543,542 |
| Deere & Co | Common Stock | 244199105 | — | 151,980 shares | $102,062,170 |
| Valmont Industries Inc | Common Stock | 920253101 | — | 216,665 shares | $100,311,562 |
| NextEra Energy Inc | Common Stock | 65339F101 | — | 1,224,493 shares | $92,743,148 |
| Autodesk Inc | Common Stock | 052769106 | — | 439,031 shares | $91,757,593 |
| Mastercard Inc | Common Stock | 57636Q104 | — | 162,512 shares | $89,620,493 |
| Monolithic Power Systems Inc | Common Stock | 609839105 | — | 63,683 shares | $85,795,011 |
| SiteOne Landscape Supply Inc | Common Stock | 82982L103 | — | 906,748 shares | $81,888,412 |
| Nextpower Inc | Common Stock | 65290E101 | — | 1,050,321 shares | $81,851,576 |
| Littelfuse Inc | Common Stock | 537008104 | — | 191,198 shares | $81,018,534 |
| Pinnacle Financial Partners In | Common Stock | 72348N109 | — | 847,062 shares | $79,293,474 |
| Trane Technologies PLC | Common Stock | G8994E103 | — | 168,858 shares | $76,320,414 |
| Applied Materials Inc | Common Stock | 038222105 | — | 136,192 shares | $69,646,225 |
| Alphabet Inc | Common Stock | 02079K305 | — | 189,408 shares | $65,171,505 |
| Mueller Water Products Inc | Common Stock | 624758108 | — | 2,892,256 shares | $61,431,517 |
| Ormat Technologies Inc | Common Stock | 686688102 | — | 661,856 shares | $60,553,205 |
| Generac Holdings Inc | Common Stock | 368736104 | — | 285,281 shares | $59,038,903 |
| Repligen Corp | Common Stock | 759916109 | — | 296,060 shares | $56,911,614 |
| Trimble Inc | Common Stock | 896239100 | — | 952,796 shares | $54,414,180 |
| Thermo Fisher Scientific Inc | Common Stock | 883556102 | — | 78,643 shares | $53,087,957 |
| Bentley Systems Inc | Common Stock | 08265T208 | — | 1,624,997 shares | $51,918,654 |
| Amazon.com Inc | Common Stock | 023135106 | — | 202,070 shares | $50,345,741 |
| Broadcom Inc | Common Stock | 11135F101 | — | 136,922 shares | $48,085,637 |
| ServiceNow Inc | Common Stock | 81762P102 | — | 331,195 shares | $44,383,442 |
| Victory Capital Holdings Inc | Common Stock | 92645B103 | — | 400,000 shares | $44,240,000 |
| Intuitive Surgical Inc | Common Stock | 46120E602 | — | 106,667 shares | $43,374,002 |
| Carrier Global Corp | Common Stock | 14448C104 | — | 765,976 shares | $42,021,443 |
| GE Vernova Inc | Common Stock | 36828A101 | — | 44,124 shares | $41,939,708 |
| nVent Electric PLC | Common Stock | G6700G107 | — | 261,204 shares | $41,889,285 |
| AAON Inc | Common Stock | 000360206 | — | 485,998 shares | $40,221,194 |
| PTC Inc | Common Stock | 69370C100 | — | 283,690 shares | $39,801,707 |
| Alphabet Inc | Common Stock | 02079K107 | — | 105,772 shares | $36,040,751 |
| Mettler-Toledo International I | Common Stock | 592688105 | — | 23,603 shares | $35,662,289 |
| Eli Lilly & Co | Common Stock | 532457108 | — | 29,499 shares | $34,132,703 |
| Progressive Corp/The | Common Stock | 743315103 | — | 163,175 shares | $33,827,809 |
| Marsh & McLennan Cos Inc | Common Stock | 571748102 | — | 192,740 shares | $32,906,500 |
| Johnson & Johnson | Common Stock | 478160104 | — | 118,756 shares | $31,439,463 |
| Gilead Sciences Inc | Common Stock | 375558103 | — | 207,751 shares | $30,965,287 |
| Boston Scientific Corp | Common Stock | 101137107 | — | 697,357 shares | $30,439,633 |
| JPMorgan Chase & Co | Common Stock | 46625H100 | — | 87,125 shares | $28,823,564 |
| Acadian Asset Management Inc | Common Stock | 10948W103 | — | 300,000 shares | $27,513,000 |
| SI-BONE Inc | Common Stock | 825704109 | — | 1,425,010 shares | $26,790,188 |
| Credo Technology Group Holding | Common Stock | G25457105 | — | 137,327 shares | $26,749,926 |
| Agree Realty Corp | REIT | 008492100 | — | 400,000 shares | $26,724,000 |
| Eastern Bankshares Inc | Common Stock | 27627N105 | — | 1,275,000 shares | $26,685,750 |
| Micron Technology Inc | Common Stock | 595112103 | — | 24,588 shares | $26,188,925 |
| Neurocrine Biosciences Inc | Common Stock | 64125C109 | — | 173,727 shares | $24,641,438 |
| Darling Ingredients Inc | Common Stock | 237266101 | — | 401,954 shares | $24,402,627 |
| Ligand Pharmaceuticals Inc | Common Stock | 53220K504 | — | 75,000 shares | $23,427,750 |
| Visa Inc | Common Stock | 92826C839 | — | 61,772 shares | $22,196,533 |
| Lam Research Corp | Common Stock | 512807306 | — | 65,615 shares | $21,555,184 |
| Zebra Technologies Corp | Common Stock | 989207105 | — | 57,500 shares | $21,465,325 |
| Intel Corp | Common Stock | 458140100 | — | 177,286 shares | $21,315,096 |
| On Holding AG | Common Stock | H5919C104 | — | 717,335 shares | $21,240,289 |
| Oracle Corp | Common Stock | 68389X105 | — | 154,574 shares | $21,223,010 |
| Citigroup Inc | Common Stock | 172967424 | — | 162,469 shares | $21,036,486 |
| MercadoLibre Inc | Common Stock | 58733R102 | — | 12,009 shares | $20,757,917 |
| HDFC Bank Ltd | ADR | 40415F101 | — | 922,556 shares | $20,609,901 |
| Voya Financial Inc | Common Stock | 929089100 | — | 214,417 shares | $20,258,118 |
| Enpro Inc | Common Stock | 29355X107 | — | 66,050 shares | $20,228,473 |
| Teradata Corp | Common Stock | 88076W103 | — | 684,529 shares | $19,741,816 |
| Gates Industrial Corp Ltd | Common Stock | G39104107 | — | 752,713 shares | $19,721,081 |
| United Rentals Inc | Common Stock | 911363109 | — | 19,446 shares | $19,461,524 |