Impax Asset Management Group plc reported 281 positions worth $15.29B for the quarter ended Jun 30, 2026, up 7.4% on the prior quarter. It opened 9 new positions, added to 123, trimmed 111 and exited 10. Its largest holding is Kla Corp at 4.9% of the portfolio.
Reported 13F market value at each quarter end. A change mixes trading with price moves in the positions held.
Dollar value of shares bought and sold each quarter, at that quarter’s price. It counts trading only, not price changes.
How many positions were opened, added to, trimmed or closed each quarter.
Share of reported value in each sector at every quarter end.
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| VLTO Veralto Corp | +1.81M | +53.6% | $160.55M | 3.01% |
| CTAS Cintas Corp | +909.7K | +60.5% | $154.73M | 2.68% |
| APH Amphenol Corp | +1.70M | +246.9% | $150.01M | 1.38% |
| BMI Badger Meter Inc | +945.7K | – | $140.32M | 0.918% |
| DE Deere & Co | +211.6K | +1,141.8% | $134.22M | 0.954% |
| SBS Companhia De Saneamento Basico Do Estado De Sao Paulo-Sabesp | +18.61M | +55.2% | $107.58M | 1.98% |
| AWK American Water Works Company, Inc. | +766.4K | +27.2% | $100.84M | 3.08% |
| NEE Nextera Energy Inc | +1.13M | +2,495.4% | $99.21M | 0.675% |
| PNFP Pinnacle Financial Partners, Inc. | +727.9K | +175.6% | $73.43M | 0.754% |
| CNM Core & Main, Inc. | +1.35M | +47.4% | $65.25M | 1.33% |
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| MRVL Marvell Technology, Inc. | -1.65M | -71.5% | $492.68M | 1.29% |
| KLAC Kla Corp | -1.16M | -31.8% | $348.57M | 4.9% |
| EBAY Ebay Inc | -2.22M | -81.9% | $248.54M | 0.359% |
| LIN Linde Plc | -292.4K | -17.1% | $151.76M | 4.82% |
| AAON Aaon, Inc. | -1.09M | -76.1% | $138.67M | 0.285% |
| VRT Vertiv Holdings Co | -355.0K | -32.7% | $118.85M | 1.6% |
| HUBB Hubbell Inc | -195.9K | -28.7% | $102.50M | 1.67% |
| WAT Waters Corp | -269.6K | -85.7% | $101.10M | 0.11% |
| AOS Smith A O Corp | -1.46M | -34.2% | $91.85M | 1.15% |
| UNP Union Pacific Corp | -292.9K | -39.1% | $79.66M | 0.81% |
| Holding | Shares | Trade Value | Weight |
|---|---|---|---|
| BMI Badger Meter Inc | +945.7K | $140.32M | 0.918% |
| TEVA Teva Pharmaceutical Industries Ltd | +534.6K | $18.11M | 0.118% |
| ZBRA Zebra Technologies Corp | +57.5K | $15.14M | 0.099% |
| EQIX Equinix Inc | +13.3K | $13.90M | 0.091% |
| MTH Meritage Homes CORP | +107.0K | $8.97M | 0.059% |
| NHP National Healthcare Properties, Inc. | +547.5K | $8.02M | 0.052% |
| HLIT Harmonic Inc. | +475.0K | $7.76M | 0.051% |
| FCX Freeport-Mcmoran Inc | +72.5K | $4.56M | 0.03% |
| VMC Vulcan Materials CO | +6,724 | $1.98M | 0.013% |
| Holding | Shares Sold | Trade Value | Prior Weight |
|---|---|---|---|
| CHE Chemed Corp | -176.4K | $66.64M | 0.468% |
| RVTY Revvity, Inc. | -62.8K | $5.50M | 0.039% |
| BIIB Biogen Inc. | -28.7K | $5.27M | 0.037% |
| WGS GeneDx Holdings Corp. | -60.0K | $3.85M | 0.027% |
| PBH Prestige Consumer Healthcare Inc. | -65.0K | $3.85M | 0.027% |
| VITL Vital Farms, Inc. | -238.9K | $3.37M | 0.024% |
| GIS General Mills Inc | -66.8K | $2.49M | 0.017% |
| WCC Wesco International Inc | -7,899 | $2.16M | 0.015% |
| FIS Fidelity National Information Services, Inc. | -35.5K | $1.67M | 0.012% |
| PODD Insulet Corp | -6,929 | $1.45M | 0.01% |
| # | Activity | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | KLAC Kla Corp | Technology | 2.48M | $749.01M | 4.9% | -1.16M | -31.8% | Reduced | 0.19% |
| 2 | NVDA Nvidia Corp | Technology | 3.72M | $744.89M | 4.87% | +81.7K | +2.2% | Added | 0.02% |
| 3 | LIN Linde Plc | Basic Materials | 1.42M | $736.55M | 4.82% | -292.4K | -17.1% | Reduced | 0.31% |
| 4 | XYL Xylem Inc. | Industrials | 4.47M | $528.28M | 3.45% | -116.6K | -2.5% | Reduced | 1.89% |
| 5 | MSFT Microsoft Corp | Technology | 1.35M | $503.82M | 3.29% | +161.8K | +13.6% | Added | 0.02% |
| 6 | AWK American Water Works Company, Inc. | Utilities | 3.58M | $471.53M | 3.08% | +766.4K | +27.2% | Added | 1.8% |
| 7 | VLTO Veralto Corp | Industrials | 5.19M | $459.95M | 3.01% | +1.81M | +53.6% | Added | 2.09% |
| 8 | CTAS Cintas Corp | Industrials | 2.41M | $410.46M | 2.68% | +909.7K | +60.5% | Added | 0.6% |
| 9 | WCN Waste Connections, Inc. | Industrials | 1.98M | $329.88M | 2.16% | -138.4K | -6.5% | Reduced | 0.78% |
| 10 | SBS Companhia De Saneamento Basico Do Estado De Sao Paulo-Sabesp | Utilities | 52.32M | $302.44M | 1.98% | +18.61M | +55.2% | Added | 0.31% |
| 11 | WMS Advanced Drainage Systems, Inc. | Industrials | 1.85M | $289.74M | 1.89% | -81.6K | -4.2% | Reduced | 2.41% |
| 12 | ECL Ecolab Inc. | Industrials | 988.4K | $275.38M | 1.8% | +129.1K | +15.0% | Added | 0.35% |
| 13 | HUBB Hubbell Inc | Industrials | 486.9K | $254.72M | 1.67% | -195.9K | -28.7% | Reduced | 0.92% |
| 14 | APTV Aptiv PLC | Industrials | 4.09M | $250.88M | 1.64% | -504.2K | -11.0% | Reduced | 1.93% |
| 15 | VRT Vertiv Holdings Co | Industrials | 729.5K | $244.25M | 1.6% | -355.0K | -32.7% | Reduced | 0.19% |
Tip. Select a row to see that position’s full history at Impax Asset Management.
As of its Q2 2026 13F filing, Impax Asset Management Group plc’s five largest positions were Kla Corp (KLAC) at 4.9%, Nvidia Corp (NVDA) at 4.9%, Linde Plc (LIN) at 4.8%, Xylem Inc. (XYL) at 3.5%, Microsoft Corp (MSFT) at 3.3% of the reported portfolio.
Impax Asset Management Group plc reported a 13F portfolio worth $15.29B across 281 positions for Q2 2026. That is up 7.4% from the previous quarter.
Its largest purchases by value were Veralto Corp ($160.55M), Cintas Corp ($154.73M), Amphenol Corp ($150.01M). It opened 9 new positions.
Its largest sales by value were Marvell Technology, Inc. ($492.68M), Kla Corp ($348.57M), Ebay Inc ($248.54M). It exited 10 positions entirely.
From the Form 13F-HR reports Impax Asset Management Group plc files with the SEC each quarter, within 45 days of quarter end. A 13F lists long positions in US-listed equities and options; it excludes short positions, cash, bonds and most non-US holdings.
13F data reflects long positions in US-listed equities and options as reported to the SEC up to 45 days after quarter end. It excludes short positions, cash, bonds and most non-US securities, so it is not a complete picture of a manager’s assets.