2026 Q1 Portfolio Activity
In 2026 Q1, Impax Asset Management Group plc maintained a portfolio of 307 distinct positions. The most significant new addition was Impax Global Infrastructure ET, now representing 0.49% of the total fund value. They heavily accumulated shares in KLA Corp, increasing the position by 71.2%. The fund also reduced its exposure to Microsoft Corp by 25.3%.
Position History
hover any row below to update
Loading…
Total Positions
307
Quarter
2026 Q1
Top Holding
LIN (5.9%)
Top 10 Concentration
32.7%
Turnover Rate
23.4%
Sector HHI
0.18
Items per page:
Showing 1-50 of 307
Impax Asset Management Group plc Full Holdings List — 2026 Q1
| Stock | History | Sector / Type | Port % | Prev % | Rank / Prev | Conviction | Change | % Change | Influence | Shares | Mkt Value | Avg Cost | Price Held | 1st Owned | Source | Source Date | Date Reported | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
LIN
Linde PLC
|
Basic Materials | 5.92% | 4.91% |
#1
Prev: #1
|
4.9 |
—
|
-130,159 | -7.1% |
P
S
|
1,711,780 | $848,631,948 | 2018 Q4 | 13F Filing | 2026-03-31 | 2026-05-12 | |||
|
NVDA
NVIDIA Corp
|
Technology | 4.43% | 3.54% |
#2
2
Prev: #4
|
5.3 |
—
|
606,829 | 20.0% |
P
S
|
3,641,085 | $635,005,186 | 2021 Q1 | 13F Filing | 2026-03-31 | 2026-05-12 | |||
|
XYL
Xylem Inc/NY
|
Industrials | 3.82% | 4.16% |
#3
Prev: #3
|
3.0 |
—
|
-295,660 | -6.1% |
P
S
|
4,585,548 | $547,973,030 | 2018 Q3 | 13F Filing | 2026-03-31 | 2026-05-12 | |||
|
KLAC
KLA Corp
|
Technology | 3.73% | 1.62% |
#4
13
Prev: #17
|
5.0 |
—
|
151,316 | 71.2% |
P
S
|
363,789 | $535,647,414 | 2022 Q4 | 13F Filing | 2026-03-31 | 2026-05-12 | |||
|
MSFT
Microsoft Corp
|
Technology | 3.07% | 4.82% |
#5
3
Prev: #2
|
1.7 |
—
|
-402,656 | -25.3% |
P
S
|
1,188,887 | $440,090,238 | 2018 Q3 | 13F Filing | 2026-03-31 | 2026-05-12 | |||
|
AWK
American Water ...
|
Utilities | 2.67% | 1.95% |
#6
4
Prev: #10
|
3.1 |
—
|
430,352 | 18.0% |
P
S
|
2,817,225 | $383,396,150 | 2018 Q3 | 13F Filing | 2026-03-31 | 2026-05-12 | |||
|
WCN
Waste Connectio...
|
Industrials | 2.40% | 0.53% |
#7
55
Prev: #62
|
4.0 |
—
|
1,635,720 | 339.6% |
P
S
|
2,117,425 | $343,954,488 | 2024 Q3 | 13F Filing | 2026-03-31 | 2026-05-12 | |||
|
HUBB
Hubbell Inc
|
Industrials | 2.34% | 2.28% |
#8
3
Prev: #5
|
1.4 |
—
|
-137,738 | -16.8% |
P
S
|
682,761 | $335,058,431 | 2018 Q3 | 13F Filing | 2026-03-31 | 2026-05-12 | |||
|
APTV
Aptiv PLC
|
Consumer Cyclical | 2.22% | 2.03% |
#9
1
Prev: #8
|
2.9 |
—
|
322,002 | 7.5% |
P
S
|
4,591,538 | $318,836,440 | 2018 Q3 | 13F Filing | 2026-03-31 | 2026-05-12 | |||
|
VLTO
Veralto Corp
|
Industrials | 2.08% | 1.96% |
#10
1
Prev: #9
|
2.8 |
—
|
230,727 | 7.3% |
P
S
|
3,376,097 | $298,514,552 | 2023 Q4 | 13F Filing | 2026-03-31 | 2026-05-12 | |||
|
AOS
A O Smith Corp
|
Industrials | 1.97% | 1.95% |
#11
Prev: #11
|
1.3 |
—
|
-371,325 | -8.0% |
P
S
|
4,278,219 | $282,105,751 | 2018 Q3 | 13F Filing | 2026-03-31 | 2026-05-12 | |||
|
VRT
Vertiv Holdings...
|
Industrials | 1.89% | 1.22% |
#12
11
Prev: #23
|
1.3 |
—
|
-122,545 | -10.2% |
P
S
|
1,084,483 | $271,749,750 | 2020 Q1 | 13F Filing | 2026-03-31 | 2026-05-12 | |||
|
WMS
Advanced Draina...
|
Industrials | 1.84% | 1.87% |
#13
Prev: #13
|
1.2 |
—
|
-139,213 | -6.7% |
P
S
|
1,927,510 | $264,319,446 | 2018 Q3 | 13F Filing | 2026-03-31 | 2026-05-12 | |||
|
CTAS
Cintas Corp
|
Industrials | 1.77% | 1.58% |
#14
4
Prev: #18
|
2.7 |
—
|
157,305 | 11.7% |
P
S
|
1,503,567 | $254,313,322 | 2021 Q3 | 13F Filing | 2026-03-31 | 2026-05-12 | |||
|
EBAY
eBay Inc
|
Consumer Cyclical | 1.72% | 1.71% |
#15
1
Prev: #14
|
1.2 |
—
|
-418,898 | -13.4% |
P
S
|
2,715,835 | $247,195,296 | 2018 Q4 | 13F Filing | 2026-03-31 | 2026-05-12 | |||
|
MRVL
Marvell Technol...
|
Technology | 1.60% | 1.67% |
#16
Prev: #16
|
0.6 |
—
|
-828,358 | -26.4% |
P
S
|
2,314,196 | $229,221,105 | 2023 Q2 | 13F Filing | 2026-03-31 | 2026-05-12 | |||
|
ECL
Ecolab Inc
|
Basic Materials | 1.59% | 1.19% |
#17
7
Prev: #24
|
2.6 |
—
|
133,861 | 18.5% |
P
S
|
859,293 | $228,589,124 | 2018 Q3 | 13F Filing | 2026-03-31 | 2026-05-12 | |||
|
A
Agilent Technol...
|
Healthcare | 1.47% | 2.21% |
#18
12
Prev: #6
|
0.6 |
—
|
-751,439 | -29.0% |
P
S
|
1,844,158 | $210,197,212 | 2018 Q3 | 13F Filing | 2026-03-31 | 2026-05-12 | |||
|
SBS
Cia de Saneamen...
|
Utilities | 1.43% | 1.08% |
#19
10
Prev: #29
|
1.1 |
—
|
-494,117 | -6.8% |
P
S
|
6,742,360 | $205,709,404 | 2018 Q3 | 13F Filing | 2026-03-31 | 2026-05-12 | |||
|
ITRI
Itron Inc
|
Technology | 1.37% | 0.79% |
#20
18
Prev: #38
|
3.5 |
—
|
838,000 | 61.8% |
P
S
|
2,193,148 | $196,571,893 | 2018 Q3 | 13F Filing | 2026-03-31 | 2026-05-12 | |||
|
RNR
RenaissanceRe H...
|
Financial Services | 1.32% | 1.71% |
#21
6
Prev: #15
|
0.5 |
—
|
-332,154 | -34.2% |
P
S
|
637,714 | $189,547,901 | 2018 Q3 | 13F Filing | 2026-03-31 | 2026-05-12 | |||
|
UNP
Union Pacific C...
|
Industrials | 1.27% | 1.00% |
#22
11
Prev: #33
|
2.5 |
—
|
58,860 | 8.5% |
P
S
|
748,216 | $181,532,347 | 2021 Q1 | 13F Filing | 2026-03-31 | 2026-05-12 | |||
|
IEX
IDEX Corp
|
Industrials | 1.25% | 1.90% |
#23
11
Prev: #12
|
0.5 |
—
|
-760,870 | -44.5% |
P
S
|
947,946 | $179,683,252 | 2018 Q3 | 13F Filing | 2026-03-31 | 2026-05-12 | |||
|
WTS
Watts Water Tec...
|
Industrials | 1.19% | 1.12% |
#24
3
Prev: #27
|
1.0 |
—
|
-59,851 | -9.2% |
P
S
|
588,022 | $170,696,906 | 2018 Q3 | 13F Filing | 2026-03-31 | 2026-05-12 | |||
|
CDNS
Cadence Design ...
|
Technology | 1.15% | 1.05% |
#25
6
Prev: #31
|
2.5 |
—
|
54,830 | 10.2% |
P
S
|
593,375 | $164,881,111 | 2018 Q3 | 13F Filing | 2026-03-31 | 2026-05-12 | |||
|
TEL
TE Connectivity...
|
Technology | 1.08% | 1.09% |
#26
2
Prev: #28
|
0.9 |
—
|
-20,642 | -2.7% |
P
S
|
744,353 | $155,584,766 | 2018 Q3 | 13F Filing | 2026-03-31 | 2026-05-12 | |||
|
ZTS
Zoetis Inc
|
Healthcare | 1.08% | 1.24% |
#27
5
Prev: #22
|
0.9 |
—
|
-266,297 | -16.9% |
P
S
|
1,311,067 | $154,981,280 | 2018 Q3 | 13F Filing | 2026-03-31 | 2026-05-12 | |||
|
PNR
Pentair PLC
|
Industrials | 1.04% | 2.16% |
#28
21
Prev: #7
|
0.4 |
—
|
-1,595,996 | -48.2% |
P
S
|
1,715,163 | $149,407,868 | 2018 Q3 | 13F Filing | 2026-03-31 | 2026-05-12 | |||
|
MAS
Masco Corp
|
Industrials | 1.00% | 1.08% |
#29
1
Prev: #30
|
0.9 |
—
|
-333,602 | -12.3% |
P
S
|
2,377,161 | $143,509,210 | 2018 Q3 | 13F Filing | 2026-03-31 | 2026-05-12 | |||
|
CNM
Core & Main Inc
|
Industrials | 0.98% | 0.93% |
#30
4
Prev: #34
|
0.9 |
—
|
-21,228 | -0.7% |
P
S
|
2,851,367 | $140,857,530 | 2023 Q1 | 13F Filing | 2026-03-31 | 2026-05-12 | |||
|
MA
Mastercard Inc
|
Financial Services | 0.97% | 1.19% |
#31
6
Prev: #25
|
0.9 |
—
|
-52,956 | -15.9% |
P
S
|
279,494 | $139,651,972 | 2018 Q3 | 13F Filing | 2026-03-31 | 2026-05-12 | |||
|
SNPS
Synopsys Inc
|
Technology | 0.87% | 1.30% |
#32
11
Prev: #21
|
0.3 |
—
|
-127,240 | -28.7% |
P
S
|
315,523 | $125,098,683 | 2021 Q1 | 13F Filing | 2026-03-31 | 2026-05-12 | |||
|
FELE
Franklin Electr...
|
Industrials | 0.83% | 0.67% |
#33
13
Prev: #46
|
2.3 |
—
|
175,418 | 15.6% |
P
S
|
1,296,609 | $119,508,452 | 2018 Q3 | 13F Filing | 2026-03-31 | 2026-05-12 | |||
|
AAON
AAON Inc
|
Industrials | 0.83% | 0.67% |
#34
13
Prev: #47
|
0.8 |
—
|
32,640 | 2.3% |
P
S
|
1,436,288 | $118,852,865 | 2024 Q2 | 13F Filing | 2026-03-31 | 2026-05-12 | |||
|
LFUS
Littelfuse Inc
|
Technology | 0.82% | 0.72% |
#35
7
Prev: #42
|
0.3 |
—
|
-108,298 | -23.9% |
P
S
|
345,705 | $117,314,992 | 2019 Q1 | 13F Filing | 2026-03-31 | 2026-05-12 | |||
|
ACM
AECOM
|
Industrials | 0.82% | 0.83% |
#36
1
Prev: #37
|
0.8 |
—
|
-9,425 | -0.7% |
P
S
|
1,382,667 | $117,277,815 | 2023 Q2 | 13F Filing | 2026-03-31 | 2026-05-12 | |||
|
ZWS
Zurn Elkay Wate...
|
Industrials | 0.82% | 0.85% |
#37
2
Prev: #35
|
0.8 |
—
|
-312,742 | -10.7% |
P
S
|
2,609,142 | $116,993,927 | 2021 Q4 | 13F Filing | 2026-03-31 | 2026-05-12 | |||
|
TTEK
Tetra Tech Inc
|
Industrials | 0.80% | 0.67% |
#38
7
Prev: #45
|
2.3 |
—
|
621,884 | 19.4% |
P
S
|
3,830,074 | $115,361,829 | 2024 Q2 | 13F Filing | 2026-03-31 | 2026-05-12 | |||
|
SITE
SiteOne Landsca...
|
Industrials | 0.76% | 0.71% |
#39
4
Prev: #43
|
0.8 |
—
|
-91,487 | -10.0% |
P
S
|
824,430 | $109,739,877 | 2022 Q3 | 13F Filing | 2026-03-31 | 2026-05-12 | |||
|
AAPL
Apple Inc
|
Technology | 0.75% | 0.63% |
#40
15
Prev: #55
|
2.3 |
—
|
53,098 | 14.4% |
P
S
|
421,335 | $106,930,610 | 2018 Q3 | 13F Filing | 2026-03-31 | 2026-05-12 | |||
|
MPWR
Monolithic Powe...
|
Technology | 0.67% | 0.60% |
#41
16
Prev: #57
|
0.8 |
—
|
-17,782 | -16.7% |
P
S
|
88,456 | $96,713,368 | 2020 Q3 | 13F Filing | 2026-03-31 | 2026-05-12 | |||
|
TT
Trane Technolog...
|
Industrials | 0.66% | 0.62% |
#42
14
Prev: #56
|
0.8 |
—
|
-23,907 | -9.5% |
P
S
|
228,808 | $95,353,404 | 2020 Q1 | 13F Filing | 2026-03-31 | 2026-05-12 | |||
|
WAT
Waters Corp
|
Healthcare | 0.65% | 0.55% |
#43
17
Prev: #60
|
2.8 |
—
|
82,335 | 35.5% |
P
S
|
314,584 | $93,683,157 | 2018 Q3 | 13F Filing | 2026-03-31 | 2026-05-12 | |||
|
QXO
QXO Inc
|
Industrials | 0.64% | 0.15% |
#44
49
Prev: #93
|
3.3 |
—
|
3,456,283 | 275.0% |
P
S
|
4,713,068 | $91,527,791 | 2025 Q4 | 13F Filing | 2026-03-31 | 2026-05-12 | |||
|
VMI
Valmont Industr...
|
Industrials | 0.63% | 0.66% |
#45
4
Prev: #49
|
0.8 |
—
|
-33,663 | -12.9% |
P
S
|
227,075 | $90,732,358 | 2018 Q3 | 13F Filing | 2026-03-31 | 2026-05-12 | |||
|
AMAT
Applied Materia...
|
Technology | 0.62% | 1.37% |
#46
26
Prev: #20
|
0.2 |
—
|
-594,927 | -69.6% |
P
S
|
259,602 | $88,729,295 | 2019 Q1 | 13F Filing | 2026-03-31 | 2026-05-12 | |||
|
BSX
Boston Scientif...
|
Healthcare | 0.59% | 1.03% |
#47
15
Prev: #32
|
0.2 |
—
|
-364,355 | -21.1% |
P
S
|
1,359,572 | $85,313,143 | 2022 Q3 | 13F Filing | 2026-03-31 | 2026-05-12 | |||
|
MWA
Mueller Water P...
|
Industrials | 0.56% | 0.50% |
#48
16
Prev: #64
|
0.7 |
—
|
-416,476 | -12.4% |
P
S
|
2,948,281 | $81,048,245 | 2018 Q3 | 13F Filing | 2026-03-31 | 2026-05-12 | |||
|
ORA
Ormat Technolog...
|
Utilities | 0.56% | 0.47% |
#49
18
Prev: #67
|
2.2 |
—
|
46,336 | 6.8% |
P
S
|
723,077 | $80,926,778 | 2018 Q3 | 13F Filing | 2026-03-31 | 2026-05-12 | |||
|
WAB
Westinghouse Ai...
|
Industrials | 0.55% | 0.28% |
#50
27
Prev: #77
|
3.2 |
—
|
111,961 | 54.2% |
P
S
|
318,350 | $79,558,849 | 2025 Q2 | 13F Filing | 2026-03-31 | 2026-05-12 |
Showing 1-50 of 307 holdings