Impax Asset Management Group plc
In its 13F for Q3 2024 (holdings as of September 30, 2024, filed November 6, 2024), Impax Asset Management Group plc reported 313 stock positions worth $25.4 billion. Its top holding was Microsoft (MSFT) at 4.5% of the portfolio, followed by Linde (LIN, 4.5%) and American Water Works (AWK, 3.3%). Compared with Q2 2024, it opened 22 new positions, sold out of 24, added to 86 and reduced 134. The biggest buy was Hubbell (HUBB, shares +30%) and the biggest sale United Rentals (URI, shares −99%).
- Most Recent 13F
- Q2 2026
- Location
- LONDON, X0
- CIK
- 0001749768
- Portfolio Value
- $25.4B (Q3 2024)
- SEC Filing
- 0001749768-24-000024 ↗ filed Nov 6, 2024
Holdings Value
Holdings 313 stocks · $25.4B
| MSFT Microsoft Corp. | 4.48% | 2,646,934 | $1.1B | Reduce -4.7% |
| LIN Linde PLC | 4.45% | 2,374,339 | $1.1B | Add +2.5% |
| AWK American Water Works Co. Inc. | 3.26% | 5,678,248 | $829.2M | Reduce -17.7% |
| PNR Pentair PLC | 2.93% | 7,618,725 | $743.5M | Reduce -14.3% |
| NVDA Nvidia Corp. | 2.63% | 5,501,589 | $667.3M | Add +13.2% |
| TEL Te Connectivity PLC | 2.06% | 3,476,940 | $524.2M | Reduce -0.2% |
| AMAT Applied Materials Inc. | 2.03% | 2,551,103 | $514.7M | Reduce -0.8% |
| HUBB Hubbell Inc. | 2.03% | 1,202,455 | $514.4M | Add +30.3% |
| MA Mastercard Inc. Class A | 1.99% | 1,024,966 | $504.8M | Reduce -3.3% |
| CTAS Cintas Corp. | 1.97% | 2,429,272 | $499.2M | Reduce -22.2% |
| RNR Renaissancere Holdings Ltd. | 1.82% | 1,697,636 | $461.7M | Add +32.4% |
| BSX Boston Scientific Corp. | 1.80% | 5,470,174 | $457.1M | Add +17.5% |
| VLTO Veralto Corp. | 1.78% | 4,049,172 | $452.2M | Reduce -8.0% |
| TMO Thermo Fisher Scientific Inc. | 1.71% | 702,337 | $433.3M | Reduce -2.3% |
| APTV Aptiv Irish Holdings Ltd. filed as APTIV PLC | 1.68% | 5,948,349 | $427.8M | Reduce -4.5% |
| IQV Iqvia Holdings Inc. | 1.67% | 1,793,010 | $423.9M | Add +9.7% |
| IEX Idex Corp. | 1.60% | 1,891,967 | $405.8M | Reduce -3.5% |
| MRSH Marsh & McLennan Cos | 1.59% | 1,812,150 | $403.2M | Add +5.6% |
| A Agilent Technologies Inc. | 1.56% | 2,667,616 | $396.1M | Add +8.3% |
| ORCL Oracle Corp. | 1.56% | 2,325,268 | $395.3M | Add +2.3% |
| CDNS Cadence Design SYS Inc. | 1.46% | 1,374,531 | $371.7M | Add +20.9% |
| WM Waste Management Inc. | 1.42% | 1,741,090 | $361.5M | Add +7.6% |
| ADI Analog Devices Inc. | 1.39% | 1,536,463 | $352.7M | Add +7.8% |
| ZWS Zurn Elkay Water Solutions C | 1.24% | 8,801,275 | $315.6M | Add +4.1% |
| WTS Watts Water Technologies-A | 1.21% | 1,491,976 | $308.4M | Reduce -3.1% |
| V Visa Inc. Class A | 1.21% | 1,123,428 | $308.2M | Reduce -2.7% |
| CARR Carrier Global Corp. | 1.20% | 3,801,946 | $306.0M | Reduce -9.7% |
| WMS Advanced Drainage Systems Inc. | 1.16% | 1,879,948 | $294.8M | Reduce -9.5% |
| MTD Mettler-Toledo International | 1.11% | 188,022 | $282.0M | Reduce -3.2% |
| AOS Smith (a.o.) Corp. | 1.11% | 3,133,600 | $281.5M | Reduce -3.6% |
| STE Steris PLC | 1.06% | 1,114,584 | $269.2M | Reduce -3.1% |
| TXN Texas Instruments Inc. | 1.05% | 1,296,287 | $267.8M | Reduce -4.9% |
| DHR Danaher Corp. | 1.03% | 945,937 | $262.4M | Reduce -25.6% |
| COO The Cooper Cos Inc. | 0.99% | 2,294,697 | $252.6M | Reduce -2.8% |
| SNPS Synopsys Inc. | 0.98% | 490,723 | $248.5M | Add +120.2% |
| HDB HDFC Bank Ltd.-ADR | 0.95% | 3,876,289 | $241.9M | Reduce -14.5% |
| WAT Waters Corp. | 0.91% | 645,646 | $232.4M | Reduce -5.8% |
| SBS Cia Saneamento Basico DE-ADR filed as COMPANHIA DE SANEAMENTO BASI | 0.91% | 14,037,496 | $231.4M | Reduce -10.2% |
| XYL Xylem Inc. | 0.89% | 1,677,816 | $226.6M | Add +0.9% |
| BDX Becton Dickinson and Co. | 0.89% | 936,258 | $225.1M | Reduce -2.7% |
| ADSK Autodesk Inc. | 0.86% | 790,206 | $217.7M | Reduce -15.3% |
| MAS Masco Corp. | 0.84% | 2,542,261 | $213.4M | Reduce -11.0% |
| CGNX Cognex Corp. | 0.83% | 5,230,271 | $211.3M | Add +2.6% |
| RYN Rayonier Inc. | 0.83% | 6,593,452 | $211.0M | Reduce -3.3% |
| CHE Chemed Corp. | 0.79% | 332,757 | $200.0M | Add +4.7% |
| PTC PTC Inc. | 0.78% | 1,105,972 | $198.4M | Reduce -3.1% |
| TT Trane Technologies PLC | 0.76% | 498,797 | $193.9M | Reduce -9.0% |
| ANSS Ansys Inc. | 0.76% | 603,394 | $192.3M | Add +8.0% |
| LFUS Littelfuse Inc. | 0.73% | 702,947 | $185.4M | Reduce -3.5% |
| RSG Republic Services Inc. | 0.72% | 904,792 | $181.7M | Reduce -37.2% |
| ACM Aecom | 0.70% | 1,728,374 | $178.5M | Reduce -1.4% |
| MPWR Monolithic Power Systems Inc. | 0.68% | 187,524 | $172.3M | Reduce -11.6% |
| ORA Ormat Technologies Inc. | 0.68% | 2,251,974 | $172.2M | Reduce -3.2% |
| TRMB Trimble Inc. | 0.67% | 2,755,576 | $170.0M | Add +18.7% |
| ECL Ecolab Inc. | 0.67% | 663,023 | $169.3M | Reduce -12.9% |
| SITE Siteone Landscape Supply Inc. | 0.62% | 1,040,908 | $157.1M | No change |
| RGEN Repligen Corp. | 0.62% | 1,058,169 | $156.4M | Reduce -6.1% |
| GNRC Generac Holdings Inc. | 0.58% | 936,142 | $147.9M | Reduce -3.1% |
| AAPL Apple Inc. | 0.57% | 616,311 | $143.6M | Reduce -3.1% |
| UNP Union Pacific Corp. | 0.53% | 546,236 | $134.6M | Add +2025.4% |
| VMI Valmont Industries | 0.53% | 461,713 | $133.9M | Reduce -6.3% |
| LII Lennox International Inc. | 0.52% | 221,555 | $133.1M | Reduce -10.0% |
| CCK Crown Holdings Inc. | 0.52% | 1,384,275 | $132.7M | Reduce -16.8% |
| KLAC KLA Corp. | 0.51% | 168,288 | $130.3M | Reduce -6.1% |
| ALTR Altair Engineering Inc. Class A | 0.51% | 1,360,221 | $129.1M | Reduce -3.3% |
| MWA Mueller Water Products Inc. Class A | 0.49% | 5,738,738 | $124.5M | Reduce -9.4% |
| DAR Darling Ingredients Inc. | 0.49% | 3,365,832 | $124.5M | Reduce -0.6% |
| GPK Graphic Packaging Holding Co. | 0.49% | 4,199,844 | $123.3M | Reduce -9.0% |
| GOOGL Alphabet Inc. Class A | 0.48% | 728,575 | $120.8M | Add +6.8% |
| CLH Clean Harbors Inc. | 0.41% | 439,977 | $105.1M | Reduce -1.3% |
| FELE Franklin Electric Co. Inc. | 0.41% | 991,250 | $103.9M | No change |
| BMI Badger Meter Inc. | 0.39% | 457,469 | $99.2M | Reduce -7.6% |
| CNM Core & Main Inc. Class A | 0.35% | 2,013,880 | $89.4M | Add +373.0% |
| BSY Bentley Systems Inc. Class B | 0.35% | 1,756,690 | $88.8M | New |
| SRCL Stericycle Inc. | 0.34% | 1,406,625 | $85.2M | Reduce -51.9% |
| AZEK The Azek Co. Inc. | 0.29% | 1,566,451 | $72.5M | Reduce -3.9% |
| JPM JPMorgan Chase & Co. | 0.26% | 311,084 | $65.6M | Reduce -8.1% |
| MRK Merck & Co. Inc. | 0.26% | 571,781 | $64.9M | Add +9.2% |
| NOW ServiceNow Inc. | 0.25% | 71,525 | $64.0M | Reduce -11.1% |
| ABT Abbott Laboratories | 0.25% | 557,608 | $63.6M | Add +0.5% |
| VRT Vertiv Holdings Co. Class A | 0.24% | 624,648 | $62.1M | Reduce -5.9% |
| DIS The Walt Disney Co. filed as DISNEY WALT CO | 0.24% | 644,017 | $61.9M | Add +4.5% |
| HRI Herc Holdings Inc. filed as HERC HLDGS INC | 0.24% | 385,532 | $60.9M | Reduce -1.4% |
| VOYA Voya Financial Inc. | 0.24% | 767,207 | $60.8M | Reduce -7.7% |
| MKC McCormick & Co.-Non VTG SHRS | 0.24% | 731,684 | $60.2M | Reduce -18.7% |
| WCN Waste Connections Inc. | 0.22% | 309,885 | $54.8M | New |
| TREX Trex Company Inc. | 0.22% | 822,361 | $54.8M | Add +44.3% |
| PG The Procter & Gamble Co. | 0.21% | 312,072 | $54.1M | Reduce -6.0% |
| DCI Donaldson Co. Inc. | 0.20% | 704,553 | $51.3M | Reduce -1.9% |
| CSL Carlisle Cos Inc. | 0.19% | 108,789 | $48.9M | Reduce -17.9% |
| UPS United Parcel Service Class B | 0.18% | 335,306 | $45.7M | Add +22.4% |
| SWK Stanley Black & Decker Inc. | 0.18% | 411,470 | $45.3M | Add +11.1% |
| CME Cme Group Inc. | 0.17% | 191,129 | $42.2M | Reduce -8.0% |
| MRVL Marvell Technology Inc. | 0.16% | 574,996 | $41.5M | Add +7.6% |
| DELL Dell Technologies -C | 0.15% | 321,153 | $38.1M | Add +56.3% |
| TGT Target Corp. | 0.15% | 241,447 | $37.6M | Add +8.6% |
| VCTR Victory Capital Holding - A | 0.15% | 675,000 | $37.4M | No change |
| ULTA Ulta Beauty Inc. | 0.14% | 93,419 | $36.4M | Add +11.8% |
| PLD Prologis Inc. | 0.14% | 280,673 | $35.4M | Reduce -16.9% |
| AVTR Avantor Inc. | 0.14% | 1,368,358 | $35.4M | Reduce -7.6% |
Portfolio Sells Q2 2024 → Q3 2024
| URI United Rentals Inc. | Reduce -99.0% | 0.02% | −1.53 |
| MSCI MSCI Inc. | Sold out | 0.00% | −1.07 |
| MSFT Microsoft Corp. | Reduce -4.7% | 4.48% | −0.57 |
| AMAT Applied Materials Inc. | Reduce -0.8% | 2.03% | −0.44 |
| RSG Republic Services Inc. | Reduce -37.2% | 0.72% | −0.42 |
| AWK American Water Works Co. Inc. | Reduce -17.7% | 3.26% | −0.36 |
| SRCL Stericycle Inc. | Reduce -51.9% | 0.34% | −0.35 |
| IFF Intl Flavors & Fragrances | Reduce -92.5% | 0.02% | −0.26 |
| CTAS Cintas Corp. | Reduce -22.2% | 1.97% | −0.26 |
| DHR Danaher Corp. | Reduce -25.6% | 1.03% | −0.26 |
| HDB HDFC Bank Ltd.-ADR | Reduce -14.5% | 0.95% | −0.23 |
| WMS Advanced Drainage Systems Inc. | Reduce -9.5% | 1.16% | −0.19 |
| TMUS T-Mobile US Inc. | Sold out | 0.00% | −0.11 |
| FERG Ferguson Enterprises Inc. | Reduce -64.3% | 0.05% | −0.10 |
| APTV Aptiv Irish Holdings Ltd. | Reduce -4.5% | 1.68% | −0.10 |
| CRM Salesforce Inc. | Reduce -51.8% | 0.09% | −0.10 |
| KLAC KLA Corp. | Reduce -6.1% | 0.51% | −0.09 |
| VRTX Vertex Pharmaceuticals Inc. | Reduce -86.1% | 0.01% | −0.09 |
| TSCO Tractor Supply Company | Sold out | 0.00% | −0.09 |
| ADSK Autodesk Inc. | Reduce -15.3% | 0.86% | −0.08 |
| BALL Ball Corp. | Reduce -45.5% | 0.12% | −0.08 |
| ECL Ecolab Inc. | Reduce -12.9% | 0.67% | −0.07 |
| TEL Te Connectivity PLC | Reduce -0.2% | 2.06% | −0.07 |
| CL Colgate-Palmolive Co. | Reduce -89.3% | 0.01% | −0.06 |
| PTC PTC Inc. | Reduce -3.1% | 0.78% | −0.06 |
| CYRX Cryoport Inc. | Reduce -89.2% | 0.01% | −0.05 |
| ALTR Altair Engineering Inc. Class A | Reduce -3.3% | 0.51% | −0.05 |
| HURN Huron Consulting Group Inc. | Sold out | 0.00% | −0.03 |
| SON Sonoco Products Co. | Reduce -22.0% | 0.12% | −0.03 |
| BDX Becton Dickinson and Co. | Reduce -2.7% | 0.89% | −0.03 |
| MPWR Monolithic Power Systems Inc. | Reduce -11.6% | 0.68% | −0.03 |
| CSL Carlisle Cos Inc. | Reduce -17.9% | 0.19% | −0.03 |
| TXN Texas Instruments Inc. | Reduce -4.9% | 1.05% | −0.03 |
| QNST Quinstreet Inc. | Sold out | 0.00% | −0.03 |
| JNJ Johnson & Johnson | Reduce -38.4% | 0.05% | −0.02 |
| LFUS Littelfuse Inc. | Reduce -3.5% | 0.73% | −0.02 |
| VMI Valmont Industries | Reduce -6.3% | 0.53% | −0.02 |
| MKC McCormick & Co.-Non VTG SHRS | Reduce -18.7% | 0.24% | −0.02 |
| TTC Toro Co. | Reduce -71.3% | 0.01% | −0.02 |
| VZ Verizon Communications Inc. | Reduce -89.3% | 0.00% | −0.02 |
| ONTO Onto Innovation Inc. | Reduce -14.0% | 0.08% | −0.02 |
| JPM JPMorgan Chase & Co. | Reduce -8.1% | 0.26% | −0.02 |
| ADC Agree Realty Corp. | Reduce -45.2% | 0.03% | −0.02 |
| HR Healthcare Realty Trust Inc. | Reduce -43.4% | 0.03% | −0.02 |
| CFG Citizens Financial Group | Reduce -21.9% | 0.11% | −0.02 |
| V Visa Inc. Class A | Reduce -2.7% | 1.21% | −0.02 |
| LOW Lowe's Cos Inc. | Reduce -26.6% | 0.12% | −0.02 |
| RCL Royal Caribbean Cruises Ltd. | Sold out | 0.00% | −0.02 |
| PLD Prologis Inc. | Reduce -16.9% | 0.14% | −0.01 |
| PFE Pfizer Inc. | Sold out | 0.00% | −0.01 |
Portfolio Buys Q2 2024 → Q3 2024
| HUBB Hubbell Inc. | Add +30.3% | 2.03% | +0.65 |
| RNR Renaissancere Holdings Ltd. | Add +32.4% | 1.82% | +0.65 |
| UNP Union Pacific Corp. | Add +2025.4% | 0.53% | +0.51 |
| SNPS Synopsys Inc. | Add +120.2% | 0.98% | +0.44 |
| BSY Bentley Systems Inc. Class B | New | 0.35% | +0.35 |
| BSX Boston Scientific Corp. | Add +17.5% | 1.80% | +0.34 |
| LIN Linde PLC | Add +2.5% | 4.45% | +0.32 |
| CNM Core & Main Inc. Class A | Add +373.0% | 0.35% | +0.27 |
| IQV Iqvia Holdings Inc. | Add +9.7% | 1.67% | +0.26 |
| A Agilent Technologies Inc. | Add +8.3% | 1.56% | +0.26 |
| ORCL Oracle Corp. | Add +2.3% | 1.56% | +0.25 |
| ZWS Zurn Elkay Water Solutions C | Add +4.1% | 1.24% | +0.23 |
| WCN Waste Connections Inc. | New | 0.22% | +0.22 |
| NVDA Nvidia Corp. | Add +13.2% | 2.63% | +0.19 |
| TRMB Trimble Inc. | Add +18.7% | 0.67% | +0.14 |
| MRSH Marsh & McLennan Cos | Add +5.6% | 1.59% | +0.12 |
| CB Chubb Ltd. | New | 0.10% | +0.10 |
| CHE Chemed Corp. | Add +4.7% | 0.79% | +0.09 |
| CMG Chipotle Mexican Grill Inc. | New | 0.07% | +0.07 |
| ADI Analog Devices Inc. | Add +7.8% | 1.39% | +0.07 |
| SWK Stanley Black & Decker Inc. | Add +11.1% | 0.18% | +0.06 |
| MMSI Merit Medical Systems Inc. | New | 0.05% | +0.05 |
| TREX Trex Company Inc. | Add +44.3% | 0.22% | +0.04 |
| CDNS Cadence Design SYS Inc. | Add +20.9% | 1.46% | +0.04 |
| DELL Dell Technologies -C | Add +56.3% | 0.15% | +0.03 |
| HHH Howard Hughes Holdings Inc. | New | 0.03% | +0.03 |
| ILMN Illumina Inc. | Add +923.6% | 0.03% | +0.03 |
| TRS Trimas Corp. | Add +216.4% | 0.04% | +0.03 |
| UPS United Parcel Service Class B | Add +22.4% | 0.18% | +0.03 |
| EBAY eBay Inc. | New | 0.03% | +0.03 |
| ALGN Align Technology Inc. | Add +26.8% | 0.11% | +0.03 |
| ANSS Ansys Inc. | Add +8.0% | 0.76% | +0.03 |
| HCAT Health Catalyst Inc. | Add +16.4% | 0.08% | +0.02 |
| TGLS Tecnoglass Holdings Inc. | Add +65.0% | 0.04% | +0.02 |
| ROIV Roivant Sciences Ltd. | Add +25.0% | 0.09% | +0.02 |
| ENPH Enphase Energy Inc. | Add +15.9% | 0.10% | +0.02 |
| PGR Progressive Corp. | Add +24.9% | 0.07% | +0.02 |
| K Kellanova | New | 0.02% | +0.02 |
| TEAM Atlassian Corp. Class A | Add +590.6% | 0.02% | +0.02 |
| WM Waste Management Inc. | Add +7.6% | 1.42% | +0.02 |
| DECK Deckers Outdoor Corp. | Add +113.1% | 0.03% | +0.02 |
| DHI D.R. Horton Inc. | New | 0.02% | +0.02 |
| ABT Abbott Laboratories | Add +0.5% | 0.25% | +0.02 |
| AMT American Tower Corp. | Add +68.9% | 0.03% | +0.02 |
| AAMI Acadian Asset Management Inc. | Add +4.8% | 0.11% | +0.02 |
| NTCT Netscout Systems Inc. | Add +32.0% | 0.04% | +0.01 |
| MELI MercadoLibre Inc. | New | 0.01% | +0.01 |
| TGT Target Corp. | Add +8.6% | 0.15% | +0.01 |
| SIBN Si-Bone Inc. | Add +41.3% | 0.04% | +0.01 |
| COLM Columbia Sportswear Co. | Add +79.2% | 0.03% | +0.01 |
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 284 | $15.4B | KLAC, NVDA, LIN, XYL, MSFT |
| Q1 2026 | 287 | $14.3B | LIN, NVDA, XYL, KLAC, MSFT |
| Q4 2025 | 279 | $16.0B | LIN, MSFT, XYL, NVDA, HUBB |
| Q3 2025 | 275 | $17.1B | LIN, MSFT, XYL, NVDA, VLTO |
| Q2 2025 | 280 | $17.4B | LIN, MSFT, XYL, NVDA, PNR |
| Q1 2025 | 295 | $16.6B | LIN, MSFT, XYL, NVDA, PNR |
| Q4 2024 | 312 | $22.1B | MSFT, LIN, NVDA, XYL, AWK |
| Q3 2024Amended | 313 | $25.4B | MSFT, LIN, AWK, PNR, NVDA |
| Q2 2024Amended | 315 | $24.6B | MSFT, LIN, AWK, PNR, AMAT |
| Q1 2024 | 308 | $26.1B | MSFT, LIN, AWK, PNR, CTAS |