IA

Impax Asset Management Group plc

Diversified strategyMomentum followerQuality / disciplined sizing

Total reported value

$14.3B

Reporting period: 2026-03-31 · Number of holdings: 287

Impax Asset Management Group plc disclosed 287 holdings in its latest 13F filing for the period ending 2026-03-31, with total reported value of $14.3B and a quarterly turnover rate of 32.4%.

Personality snowflake

Concentration
7.13
Portfolio Stability
32.37
Momentum/Contrarian
100
Sector conviction
72.17
Diversification
100
Sizing Uniformity
79.68

Recent moves

  • Add KLAC

    +71.2%　$277.5M

  • Add WCN

    +339.6%　$259.5M

  • Trim MSFT

    -25.3%　-$329.6M

  • Trim WM

    -88.4%　-$194.8M

  • Trim PNR

    -48.2%　-$195.4M

  • Add LIN

    -7.1%　$63.2M

Holdings Map

New buyAddUnchangedTrim

Top 10 holdings by weight

Full holdings list this quarter

#TickerIssuerAsset SubclassWeightWeight ChangeShares Change4Q Trend
1LINLinde plcStock-Materials5.92%+1.01%-7.07%
2NVDANvidia CORPStock-Tech4.43%+0.89%+20.00%
3XYLXylem INCStock-Industrials3.82%-0.34%-6.06%
4KLACKla CORPStock-Tech3.73%+2.11%+71.22%
5MSFTMicrosoft CORPStock-Tech3.07%-1.75%-25.30%
6AWKAmerican Water Works Co INCStock-Utilities2.67%+0.72%+18.03%
7WCNWaste Connections INCStock-Industrials2.40%+1.87%+339.57%
8HUBBHubbell INCStock-Industrials2.34%+0.06%-16.79%
9APTVAptiv PLCStock-Consumer Disc2.22%—+7.54%
10VLTOVeralto CORPStock-Industrials2.08%—+7.34%
11AOSSmith (a.o.) CORPStock-Industrials1.97%+0.02%-7.99%
12VRTVertiv Holdings Co-aStock-Industrials1.89%+0.67%-10.15%
13WMSAdvanced Drainage Systems InStock-Industrials1.84%-0.03%-6.74%
14CTASCintas CORPStock-Industrials1.77%—+11.68%
15EBAYEbay INCStock-Consumer Disc1.72%+0.01%-13.36%
16MRVLMarvell Technology INCStock-Tech1.60%-0.07%-26.36%
17ECLEcolab INCStock-Materials1.59%+0.40%+18.45%
18AAgilent Technologies INCStock-Healthcare1.47%-0.74%-28.95%
19SBSCia Saneamento Basico De-adrStock-Other1.43%+0.35%-6.83%
20ITRIItron INCStock-Tech1.37%+0.58%+61.84%
21RNRRenaissanceRe Holdings Ltd.Stock-Financials1.32%-0.39%-34.25%
22UNPUnion Pacific CORPStock-Industrials1.27%—+8.54%
23IEXIdex CORPStock-Industrials1.25%-0.65%-44.53%
24WTSWatts Water Technologies-aStock-Industrials1.19%—-9.24%
25CDNSCadence Design Sys INCStock-Tech1.15%—+10.18%
26TELTE Connectivity plcStock-Tech1.08%—-2.70%
27ZTSZoetis INCStock-Healthcare1.08%-0.16%-16.88%
28PNRPentair plcStock-Industrials1.04%-1.12%-48.20%
29MASMasco CORPStock-Industrials1.00%-0.08%-12.31%
30CNMCore & Main Inc-class AStock-Industrials0.98%—-0.74%
31MAMastercard INC - AStock-Financials0.97%-0.22%-15.93%
32SNPSSynopsys INCStock-Tech0.87%-0.43%-28.74%
33FELEFranklin Electric Co INCStock-Industrials0.83%—+15.65%
34AAONAaon INCStock-Industrials0.83%—+2.33%
35LFUSLittelfuse INCStock-Tech0.82%—-23.85%
36ACMAecomStock-Industrials0.82%—-0.68%
37ZWSZurn Elkay Water Solutions CStock-Industrials0.82%—-10.70%
38TTEKTetra Tech INCStock-Industrials0.80%—+19.38%
39SITESiteone Landscape Supply INCStock-Industrials0.76%—-9.99%
40AAPLApple INCStock-Tech0.75%—+14.42%
41MPWRMonolithic Power Systems INCStock-Tech0.67%—-16.74%
42TTTrane Technologies plcStock-Industrials0.66%—-9.46%
43WATWaters CORPStock-Healthcare0.65%—+35.45%
44QXOQxo INCStock-Industrials0.64%+0.49%+275.01%
45VMIValmont IndustriesStock-Industrials0.63%—-12.91%
46AMATApplied Materials INCStock-Tech0.62%-0.75%-69.62%
47BSXBoston Scientific CORPStock-Healthcare0.59%-0.44%-21.14%
48MWAMueller Water Products Inc-aStock-Industrials0.56%—-12.38%
49ORAOrmat Technologies INCStock-Utilities0.56%—+6.85%
50WABWabtec CORPStock-Industrials0.55%+0.27%+54.25%
1–50 of 287

Holding changes this quarter

Impax Asset Management Group plc's most significant position changes for 2026-03-31: New buy: Impax Global Sustainable Inf (BLDX); Sold out: Pinnacle Financial Partners, Inc. (PNFP); New buy: Pinnacle Financial Partners (PNFP); Add: Kla CORP (KLAC) — shares +71.22%; Add: Waste Connections INC (WCN) — shares +339.57%.

Position changes disclosed by Impax Asset Management Group plc for the quarter ending 2026-03-31, including ticker, issuer, weight change, shares change, and action
#TickerIssuerWeight ChangeShares ChangeAction
1KLACKla CORP+2.1%+71.22%Add
2WCNWaste Connections INC+1.9%+339.57%Add
3LINLinde plc+1%-7.07%Trim
4NVDANvidia CORP+0.9%+20.00%Add
5AWKAmerican Water Works Co INC+0.7%+18.03%Add
6VRTVertiv Holdings Co-a+0.7%-10.15%Trim
7ITRIItron INC+0.6%+61.84%Add
8QXOQxo INC+0.5%+275.01%Add
9ECLEcolab INC+0.4%+18.45%Add
10SBSCia Saneamento Basico De-adr+0.4%-6.83%Trim
11WABWabtec CORP+0.3%+54.25%Add
12MELIMercadolibre INC+0.2%+701.71%Add
13HUBBHubbell INC+0.1%-16.79%Trim
14AOSSmith (a.o.) CORP0%-7.99%Trim
15EBAYEbay INC0%-13.36%Trim
16WMSAdvanced Drainage Systems In0%-6.74%Trim
17MRVLMarvell Technology INC-0.1%-26.36%Trim
18MASMasco CORP-0.1%-12.31%Trim
19ADSKAutodesk INC-0.1%-6.39%Trim
20AMZNAmazon.com INC-0.1%-22.86%Trim
21TMOThermo Fisher Scientific INC-0.1%-21.04%Trim
22ZTSZoetis INC-0.2%-16.88%Trim
23HDBHdfc Bank Ltd-adr-0.2%-24.82%Trim
24JPMJpmorgan Chase & Co-0.2%-61.49%Trim
25CHEChemed CORP-0.2%-27.77%Trim
26DHRDanaher CORP-0.2%-26.54%Trim
27MAMastercard INC - A-0.2%-15.93%Trim
28NOWServicenow INC-0.2%-23.53%Trim
29CFRCullen/frost Bankers INC-0.3%-46.17%Trim
30ISRGIntuitive Surgical INC-0.3%-32.70%Trim
31TYLTyler Technologies INC-0.3%-30.15%Trim
32TRMBTrimble INC-0.3%-37.15%Trim
33PTCPtc INC-0.3%-48.27%Trim
34XYLXylem INC-0.3%-6.06%Trim
35RNRRenaissanceRe Holdings Ltd.-0.4%-34.25%Trim
36TXNTexas Instruments INC-0.4%-91.27%Trim
37SNPSSynopsys INC-0.4%-28.74%Trim
38BSXBoston Scientific CORP-0.4%-21.14%Trim
39APHAmphenol Corp-cl A-0.5%-64.95%Trim
40IEXIdex CORP-0.7%-44.53%Trim
41CARRCarrier Global CORP-0.7%-66.86%Trim
42RSGRepublic Services INC-0.7%-94.26%Trim
43AAgilent Technologies INC-0.7%-28.95%Trim
44AMATApplied Materials INC-0.8%-69.62%Trim
45PNRPentair plc-1.1%-48.20%Trim
46WMWaste Management INC-1.2%-88.41%Trim
47MSFTMicrosoft CORP-1.8%-25.30%Trim
48BLDXImpax Global Sustainable Inf—NEWNew buy
49PNFPPinnacle Financial Partners, Inc.—EXITSold out
50PNFPPinnacle Financial Partners—NEWNew buy

FAQ

What is Impax Asset Management Group plc and what type of investor is it?
Impax Asset Management Group plc is a investment manager that files SEC Form 13F quarterly, disclosing its U.S. public equity holdings to regulators. As of the most recent reporting period (2026-03-31), the firm manages a tracked equity portfolio valued at approximately $14.3B, spread across 287 disclosed positions.
What are Impax Asset Management Group plc's largest equity positions?
Based on the latest 13F filing, Impax Asset Management Group plc's top holdings by market value are: 1. Linde plc (LIN) — $848.6M (5.9%) 2. Nvidia CORP (NVDA) — $635.0M (4.4%) 3. Xylem INC (XYL) — $548.0M (3.8%) 4. Kla CORP (KLAC) — $535.6M (3.7%) 5. Microsoft CORP (MSFT) — $440.1M (3.1%)
What changes did Impax Asset Management Group plc make in its most recent portfolio filing?
In the latest reported quarter, Impax Asset Management Group plc made 50 notable position adjustments: 2 new positions were initiated, 9 existing holdings were added to, 38 positions were partially reduced, and 1 were completely exited. The largest of these moves: New buy: Impax Global Sustainable Inf (BLDX); Sold out: Pinnacle Financial Partners, Inc. (PNFP); New buy: Pinnacle Financial Partners (PNFP); Add: Kla CORP (KLAC) — shares +71.22%; Add: Waste Connections INC (WCN) — shares +339.57%
What sectors does Impax Asset Management Group plc focus on?
Impax Asset Management Group plc is concentrated in the following sectors based on its current disclosed equity portfolio: • Industrials: 38.6% • Information Technology: 26.1% • Health Care: 8.5% • Materials: 8.1% • Consumer Discretionary: 6.4% • Financials: 6.0%