Impax Asset Management Group plc

Name: Impax Asset Management Group plc 13F holdings, Q4 2024
Creator: Impax Asset Management Group plc
Published: 2025-02-04

Q2 2026Q1 2026Q4 2025Q3 2025Q2 2025Q1 2025Q3 2024Q2 2024Q1 2024

In its 13F for Q4 2024 (holdings as of December 31, 2024, filed February 4, 2025), Impax Asset Management Group plc reported 312 stock positions worth $22.1 billion. Its top holding was Microsoft (MSFT) at 4.5% of the portfolio, followed by Linde (LIN, 4.3%) and Nvidia (NVDA, 3.2%). Compared with Q3 2024, it opened 25 new positions, sold out of 26, added to 86 and reduced 178. The biggest buy was Xylem (XYL, shares +231%) and the biggest sale Iqvia (IQV, shares −89%).

Most Recent 13F: Q2 2026
Location: LONDON, X0
CIK: 0001749768
Portfolio Value: $22.1B (Q4 2024)
SEC Filing: 0001749768-25-000039 ↗ filed Feb 4, 2025

Holdings Value

Holdings 312 stocks · $22.1B


MSFT Microsoft Corp.	4.52%	2,370,430	$997.7M	Reduce -10.4%
LIN Linde PLC	4.26%	2,249,901	$940.9M	Reduce -5.2%
NVDA Nvidia Corp.	3.23%	5,327,049	$714.3M	Reduce -3.2%
XYL Xylem Inc.	2.92%	5,561,661	$644.0M	Add +231.5%
AWK American Water Works Co. Inc.	2.61%	4,636,529	$576.3M	Reduce -18.4%
PNR Pentair PLC	2.30%	5,061,719	$508.4M	Reduce -33.6%
RNR Renaissancere Holdings Ltd.	2.11%	1,880,166	$467.0M	Add +10.8%
TEL Te Connectivity PLC	2.05%	3,166,828	$452.0M	Reduce -8.9%
MA Mastercard Inc. Class A	1.97%	828,541	$434.9M	Reduce -19.2%
HUBB Hubbell Inc.	1.94%	1,024,120	$428.3M	Reduce -14.8%
AMAT Applied Materials Inc.	1.92%	2,617,378	$425.0M	Add +2.6%
VLTO Veralto Corp.	1.84%	3,988,936	$405.6M	Reduce -1.5%
BSX Boston Scientific Corp.	1.82%	4,505,479	$401.1M	Reduce -17.6%
A Agilent Technologies Inc.	1.72%	2,829,429	$380.1M	Add +6.1%
IEX Idex Corp.	1.71%	1,799,552	$376.6M	Reduce -4.9%
CDNS Cadence Design SYS Inc.	1.68%	1,236,555	$370.6M	Reduce -10.0%
CTAS Cintas Corp.	1.53%	1,858,040	$338.8M	Reduce -23.5%
ORCL Oracle Corp.	1.52%	2,022,043	$336.0M	Reduce -13.0%
WM Waste Management Inc.	1.49%	1,633,330	$329.6M	Reduce -6.2%
MRSH Marsh & McLennan Cos	1.49%	1,550,711	$328.3M	Reduce -14.4%
TMO Thermo Fisher Scientific Inc.	1.47%	624,093	$323.6M	Reduce -11.1%
V Visa Inc. Class A	1.40%	981,548	$309.5M	Reduce -12.6%
WMS Advanced Drainage Systems Inc.	1.32%	2,530,000	$291.7M	Add +34.6%
APTV Aptiv PLC	1.30%	4,765,012	$287.8M	Reduce -19.9%
ADI Analog Devices Inc.	1.26%	1,316,955	$278.9M	Reduce -14.3%
WAT Waters Corp.	1.20%	714,155	$264.9M	Add +10.6%
WTS Watts Water Technologies-A	1.16%	1,258,274	$255.1M	Reduce -15.7%
MTD Mettler-Toledo International	1.10%	198,852	$243.3M	Add +5.8%
CARR Carrier Global Corp.	1.08%	3,501,376	$239.0M	Reduce -7.9%
SNPS Synopsys Inc.	1.08%	491,067	$238.3M	Add +0.1%
TXN Texas Instruments Inc.	0.98%	1,159,673	$217.5M	Reduce -10.5%
DHR Danaher Corp.	0.96%	925,550	$211.8M	Reduce -2.2%
AOS Smith (a.o.) Corp.	0.96%	3,102,128	$211.6M	Reduce -1.0%
HDB HDFC Bank Ltd.-ADR	0.91%	3,140,187	$199.9M	Reduce -19.0%
VOYA Voya Financial Inc.	0.90%	2,898,785	$199.1M	Add +277.8%
ADSK Autodesk Inc.	0.88%	660,720	$195.3M	Reduce -16.4%
STE Steris PLC	0.88%	951,758	$194.8M	Reduce -14.6%
SBS Cia Saneamento Basico DE-ADR filed as COMPANHIA DE SANEAMENTO BASI	0.87%	13,520,902	$193.1M	Reduce -3.7%
ANSS Ansys Inc.	0.86%	561,234	$189.3M	Reduce -7.0%
PTC PTC Inc.	0.86%	1,035,598	$189.0M	Reduce -6.4%
CGNX Cognex Corp.	0.82%	5,082,314	$181.8M	Reduce -2.8%
TRMB Trimble Inc.	0.82%	2,575,802	$180.7M	Reduce -6.5%
COO The Cooper Cos Inc.	0.82%	1,964,749	$180.0M	Reduce -14.4%
CHE Chemed Corp.	0.80%	332,457	$176.1M	Reduce -0.1%
CNM Core & Main Inc. Class A	0.79%	3,430,787	$174.7M	Add +70.4%
RSG Republic Services Inc.	0.78%	857,050	$172.4M	Reduce -5.3%
MAS Masco Corp.	0.75%	2,294,921	$166.5M	Reduce -9.7%
ACM Aecom	0.74%	1,537,176	$164.2M	Reduce -11.1%
ORA Ormat Technologies Inc.	0.74%	2,415,479	$162.6M	Add +7.3%
KLAC KLA Corp.	0.73%	254,365	$160.3M	Add +51.1%
TT Trane Technologies PLC	0.71%	427,315	$157.8M	Reduce -14.3%
LFUS Littelfuse Inc.	0.70%	664,371	$155.6M	Reduce -5.5%
RYN Rayonier Inc.	0.70%	5,963,964	$154.7M	Reduce -9.6%
ECL Ecolab Inc.	0.69%	653,377	$153.1M	Reduce -1.4%
ZWS Zurn Elkay Water Solutions C	0.69%	4,091,710	$152.6M	Reduce -53.5%
RGEN Repligen Corp.	0.68%	1,051,939	$150.3M	Reduce -0.6%
UNP Union Pacific Corp.	0.64%	622,803	$142.0M	Add +14.0%
AAPL Apple Inc.	0.64%	561,672	$140.7M	Reduce -8.9%
MPWR Monolithic Power Systems Inc.	0.63%	237,910	$139.9M	Add +26.9%
SITE Siteone Landscape Supply Inc.	0.62%	1,033,820	$136.2M	Reduce -0.7%
GNRC Generac Holdings Inc.	0.59%	843,412	$129.9M	Reduce -9.9%
ALTR Altair Engineering Inc. Class A	0.59%	1,196,098	$129.5M	Reduce -12.1%
GOOGL Alphabet Inc. Class A	0.57%	664,210	$125.7M	Reduce -8.8%
BSY Bentley Systems Inc. Class B	0.52%	2,493,059	$115.7M	Add +41.9%
LII Lennox International Inc.	0.52%	188,600	$114.3M	Reduce -14.9%
ISRG Intuitive Surgical Inc.	0.47%	199,419	$103.8M	Add +3759.5%
MWA Mueller Water Products Inc. Class A	0.47%	4,580,816	$103.1M	Reduce -20.2%
DAR Darling Ingredients Inc.	0.45%	2,989,309	$100.2M	Reduce -11.2%
VMI Valmont Industries	0.45%	322,476	$98.9M	Reduce -30.2%
CLH Clean Harbors Inc.	0.45%	434,806	$98.8M	Reduce -1.2%
GPK Graphic Packaging Holding Co.	0.43%	3,519,697	$94.8M	Reduce -16.2%
FELE Franklin Electric Co. Inc.	0.38%	862,708	$84.1M	Reduce -13.0%
AZEK The Azek Co. Inc.	0.33%	1,537,176	$72.2M	Reduce -1.9%
JPM JPMorgan Chase & Co.	0.30%	276,035	$66.2M	Reduce -11.3%
TREX Trex Company Inc.	0.28%	907,109	$62.6M	Add +10.3%
DIS The Walt Disney Co. filed as DISNEY WALT CO	0.26%	517,461	$57.6M	Reduce -19.6%
VRT Vertiv Holdings Co. Class A	0.26%	497,506	$56.5M	Reduce -20.4%
NOW ServiceNow Inc.	0.24%	50,627	$53.7M	Reduce -29.2%
HRI Herc Holdings Inc. filed as HERC HLDGS INC	0.24%	281,104	$52.7M	Reduce -27.1%
MKC McCormick & Co.-Non VTG SHRS	0.24%	682,968	$52.1M	Reduce -6.7%
WCN Waste Connections Inc.	0.23%	305,368	$51.8M	Reduce -1.5%
PG The Procter & Gamble Co.	0.23%	299,582	$50.2M	Reduce -4.0%
MRVL Marvell Technology Inc.	0.22%	436,284	$48.2M	Reduce -24.1%
DCI Donaldson Co. Inc.	0.21%	689,052	$45.9M	Reduce -2.2%
ABT Abbott Laboratories	0.20%	400,051	$45.2M	Reduce -28.3%
ULTA Ulta Beauty Inc.	0.20%	103,056	$44.8M	Add +10.3%
MRK Merck & Co. Inc.	0.20%	445,559	$44.3M	Reduce -22.1%
NVT Nvent Electric PLC	0.20%	647,304	$43.6M	Add +2764.1%
VCTR Victory Capital Holding - A	0.19%	625,000	$40.9M	Reduce -7.4%
IQV Iqvia Holdings Inc.	0.18%	201,203	$39.5M	Reduce -88.8%
UPS United Parcel Service Class B	0.18%	307,757	$38.8M	Reduce -8.2%
AVTR Avantor Inc.	0.17%	1,789,610	$37.7M	Add +30.8%
TGT Target Corp.	0.17%	271,325	$36.7M	Add +12.4%
LOW Lowe's Cos Inc.	0.16%	146,216	$36.1M	Add +32.0%
LLY Eli Lilly & Co.	0.16%	46,562	$35.9M	Add +117.6%
NBIX Neurocrine Biosciences Inc.	0.16%	261,599	$35.7M	Add +207.8%
DELL Dell Technologies -C	0.16%	307,884	$35.5M	Reduce -4.1%
GILD Gilead Sciences Inc.	0.16%	380,570	$35.2M	Add +126.9%
CSL Carlisle Cos Inc.	0.16%	94,778	$35.0M	Reduce -12.9%
SWK Stanley Black & Decker Inc.	0.15%	426,021	$34.2M	Add +3.5%

Show all 312 holdings

Portfolio Sells Q3 2024 → Q4 2024


IQV Iqvia Holdings Inc.	Reduce -88.8%	0.18%	−1.49
BDX Becton Dickinson and Co.	Sold out	0.00%	−0.89
AWK American Water Works Co. Inc.	Reduce -18.4%	2.61%	−0.65
PNR Pentair PLC	Reduce -33.6%	2.30%	−0.62
ZWS Zurn Elkay Water Solutions C	Reduce -53.5%	0.69%	−0.55
CCK Crown Holdings Inc.	Reduce -84.3%	0.08%	−0.44
CTAS Cintas Corp.	Reduce -23.5%	1.53%	−0.43
BMI Badger Meter Inc.	Sold out	0.00%	−0.39
APTV Aptiv PLC	Reduce -19.9%	1.30%	−0.38
SRCL Stericycle Inc.	Sold out	0.00%	−0.34
TMO Thermo Fisher Scientific Inc.	Reduce -11.1%	1.47%	−0.24
LIN Linde PLC	Reduce -5.2%	4.26%	−0.19
COO The Cooper Cos Inc.	Reduce -14.4%	0.82%	−0.18
STE Steris PLC	Reduce -14.6%	0.88%	−0.18
AOS Smith (a.o.) Corp.	Reduce -1.0%	0.96%	−0.15
RYN Rayonier Inc.	Reduce -9.6%	0.70%	−0.13
ADI Analog Devices Inc.	Reduce -14.3%	1.26%	−0.13
CARR Carrier Global Corp.	Reduce -7.9%	1.08%	−0.12
SON Sonoco Products Co.	Sold out	0.00%	−0.12
BAX Baxter International Inc.	Sold out	0.00%	−0.11
MRSH Marsh & McLennan Cos	Reduce -14.4%	1.49%	−0.10
MAS Masco Corp.	Reduce -9.7%	0.75%	−0.09
HUBB Hubbell Inc.	Reduce -14.8%	1.94%	−0.09
GIS General Mills Inc.	Reduce -67.3%	0.04%	−0.08
ARE Alexandria Real Estate Equit	Reduce -90.6%	0.01%	−0.08
VMI Valmont Industries	Reduce -30.2%	0.45%	−0.08
DHR Danaher Corp.	Reduce -2.2%	0.96%	−0.07
TXN Texas Instruments Inc.	Reduce -10.5%	0.98%	−0.07
WTS Watts Water Technologies-A	Reduce -15.7%	1.16%	−0.06
GPK Graphic Packaging Holding Co.	Reduce -16.2%	0.43%	−0.06
CRM Salesforce Inc.	Reduce -71.1%	0.04%	−0.06
SEDG Solaredge Technologies Inc.	Reduce -52.3%	0.03%	−0.06
MRK Merck & Co. Inc.	Reduce -22.1%	0.20%	−0.05
DXCM Dexcom Inc.	Sold out	0.00%	−0.05
TT Trane Technologies PLC	Reduce -14.3%	0.71%	−0.05
HDB HDFC Bank Ltd.-ADR	Reduce -19.0%	0.91%	−0.05
ABT Abbott Laboratories	Reduce -28.3%	0.20%	−0.05
TGLS Tecnoglass Holdings Inc.	Sold out	0.00%	−0.04
KEY Keycorp	Reduce -39.8%	0.09%	−0.04
SBS Cia Saneamento Basico DE-ADR	Reduce -3.7%	0.87%	−0.04
DAR Darling Ingredients Inc.	Reduce -11.2%	0.45%	−0.04
ORCL Oracle Corp.	Reduce -13.0%	1.52%	−0.03
CSL Carlisle Cos Inc.	Reduce -12.9%	0.16%	−0.03
COLD Americold Realty Trust Inc.	Sold out	0.00%	−0.03
FELE Franklin Electric Co. Inc.	Reduce -13.0%	0.38%	−0.03
LFUS Littelfuse Inc.	Reduce -5.5%	0.70%	−0.03
CVS CVS Health Corp.	Reduce -4.1%	0.09%	−0.02
QGEN Qiagen NV	Reduce -77.0%	0.01%	−0.02
MWA Mueller Water Products Inc. Class A	Reduce -20.2%	0.47%	−0.02
AAON Aaon Inc.	Sold out	0.00%	−0.02

Portfolio Buys Q3 2024 → Q4 2024


XYL Xylem Inc.	Add +231.5%	2.92%	+2.02
VOYA Voya Financial Inc.	Add +277.8%	0.90%	+0.66
ISRG Intuitive Surgical Inc.	Add +3759.5%	0.47%	+0.46
CNM Core & Main Inc. Class A	Add +70.4%	0.79%	+0.44
RNR Renaissancere Holdings Ltd.	Add +10.8%	2.11%	+0.30
WAT Waters Corp.	Add +10.6%	1.20%	+0.28
KLAC KLA Corp.	Add +51.1%	0.73%	+0.21
NVT Nvent Electric PLC	Add +2764.1%	0.20%	+0.19
BSY Bentley Systems Inc. Class B	Add +41.9%	0.52%	+0.17
A Agilent Technologies Inc.	Add +6.1%	1.72%	+0.16
WMS Advanced Drainage Systems Inc.	Add +34.6%	1.32%	+0.16
NBIX Neurocrine Biosciences Inc.	Add +207.8%	0.16%	+0.12
UNP Union Pacific Corp.	Add +14.0%	0.64%	+0.11
GILD Gilead Sciences Inc.	Add +126.9%	0.16%	+0.10
SNPS Synopsys Inc.	Add +0.1%	1.08%	+0.10
SBUX Starbucks Corp.	Add +253.5%	0.13%	+0.10
VTR Ventas Inc.	Add +779.5%	0.10%	+0.09
LLY Eli Lilly & Co.	Add +117.6%	0.16%	+0.09
SEE Sealed Air Corp.	New	0.08%	+0.08
CFR Cullen/Frost Bankers Inc.	New	0.07%	+0.07
TREX Trex Company Inc.	Add +10.3%	0.28%	+0.07
ULTA Ulta Beauty Inc.	Add +10.3%	0.20%	+0.06
HHH Howard Hughes Holdings Inc.	Add +157.4%	0.09%	+0.06
ORA Ormat Technologies Inc.	Add +7.3%	0.74%	+0.06
SHLS Shoals Technologies Group -A	Add +126.3%	0.09%	+0.05
LOW Lowe's Cos Inc.	Add +32.0%	0.16%	+0.05
NX Quanex Building Products	New	0.04%	+0.04
MRUS Merus NV	New	0.03%	+0.03
ARRY Array Technologies Inc.	New	0.03%	+0.03
WSC Willscot Holdings Corp.	New	0.03%	+0.03
CB Chubb Ltd.	Add +18.6%	0.14%	+0.03
AVTR Avantor Inc.	Add +30.8%	0.17%	+0.03
MITK Mitek Systems Inc.	New	0.03%	+0.03
FITB Fifth Third Bancorp	Add +499.2%	0.03%	+0.02
TVTX Travere Therapeutics Inc.	New	0.02%	+0.02
EXPE Expedia Group Inc.	Add +104.7%	0.03%	+0.02
ZTS Zoetis Inc.	Add +48.4%	0.07%	+0.02
VITL Vital Farms Inc.	New	0.02%	+0.02
C Citigroup Inc.	Add +17.6%	0.06%	+0.02
GOOG Alphabet Inc. Class C	Add +136.9%	0.03%	+0.02
PCRX Pacira Biosciences Inc.	Add +14.8%	0.05%	+0.02
TGT Target Corp.	Add +12.4%	0.17%	+0.02
DY Dycom Industries Inc.	Add +100.0%	0.03%	+0.02
ENFN Enfusion Inc. Class A	Add +31.5%	0.04%	+0.02
EIX Edison International	Add +38.0%	0.05%	+0.02
PLD Prologis Inc.	Add +15.0%	0.15%	+0.01
ESI Element Solutions Inc.	Add +14.2%	0.07%	+0.01
PPG PPG Industries Inc.	Add +7.0%	0.14%	+0.01
NTCT Netscout Systems Inc.	Add +15.2%	0.06%	+0.01
CYTK Cytokinetics Inc.	Add +40.0%	0.04%	+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