FIW ETF largest holding is WAT at 5.02% as of Aug 5, 2026

$111.76

AUM$1.9B

TER0.50%

Holdings38

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FIW ETF largest holding is WAT at 5.02% as of Aug 5, 2026

$111.76

First Trust Water ETF

AUM$1.9B

TER0.50%

Holdings38

See how much of FIW you already own

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Overview Performance Chart Dividends Top Holdings All Holdings Sectors Geography Similar Compare Overlap

WAT is FIW's largest holding at 5.02% of the fund as of Aug 5, 2026. FIW is First Trust Water ETF.

Showing top 37 of 37 holdings · as of Aug 5, 2026

FIW holdings, by weight
#	Ticker	Name	Weight	Cumulative	Shares	Mkt value	Sector	Industry
1	WAT	Waters Corp.Health Care · Healthcare Equip.	5.02%	5.0%	243,686	$97.47M	Health Care	Healthcare Equip.
2	A	Agilent Technologies IncInfo Tech · Electronic Equipment	4.66%	9.7%	641,199	$90.48M	Info Tech	Electronic Equipment
Sector and industry · Pro
3	ROP	Roper Technologies Inc.	4.52%	14.2%	222,541	$87.80M
4	MLI	Mueller Industries Inc	4.12%	18.3%	1,154,632	$79.97M
5	VLTO	Veralto Corp	4.00%	22.3%	798,820	$77.61M
6	IEX	I D E X Corp	3.97%	26.3%	325,109	$77.04M
7	AWK	American Water Works Co. Inc.	3.95%	30.2%	572,145	$76.76M
8	FERG	Ferguson Enterprises	3.92%	34.2%	298,469	$76.18M
9	MAS	Masco Corp.	3.79%	37.9%	950,856	$73.52M
10	XYL	Xylem,Inc.	3.78%	41.7%	600,716	$73.44M
11	ECL	Ecolab, Inc.	3.71%	45.4%	252,405	$72.05M
12	—	Jacobs Engineering Group Inc.	3.68%	49.1%	493,981	$71.46M
13	IDXX	Idexx Labs	3.57%	52.7%	118,512	$69.30M
14	WTS	Watts Water Technologies Inc	3.33%	56.0%	177,563	$64.60M
15	—	Advanced Drainag Tm B 1ln 7/26	3.06%	59.1%	397,458	$59.46M
16	—	Industrials (continued) Tetra Tech Inc.	2.88%	62.0%	1,628,674	$55.85M
17	PNR	Pentair Plc Ordinary Shares	2.79%	64.8%	784,647	$54.16M
18	CNM	Core & Main Inc Class A	2.58%	67.3%	1,077,763	$50.15M
19	—	Stantec Inc	2.37%	69.7%	629,207	$46.02M
20	—	Aecom Technology Corp	2.30%	72.0%	595,752	$44.62M
21	ITRI	Itron Inc	2.25%	74.3%	414,206	$43.73M
22	PRMB	Primo Brands Corp	2.24%	76.5%	1,715,805	$43.44M
23	FELE	Franklin Electric Co Inc	2.21%	78.7%	390,630	$42.99M
24	VMI	Valmont Industries Inc	2.16%	80.9%	84,611	$42.00M
25	ZWS	Zurn Elkay Water Solutions	2.07%	82.9%	763,327	$40.27M
26	FBIN	Fortune Brands Innovations Inc	1.93%	84.9%	716,130	$37.45M
27	BMI	Badger Meter, Inc.	1.83%	86.7%	255,293	$35.60M
28	MWA	Mueller Water Products Inc	1.77%	88.5%	1,300,185	$34.34M
29	—	Algonquin Power & Utilities Corp -	1.66%	90.1%	5,575,140	$32.17M
30	GRC	The Gorman-rupp Co	1.66%	91.8%	378,664	$32.27M
31	AOS	Ao Smith Corp.	1.62%	93.4%	498,905	$31.52M
32	SJW	Sjw Corp	1.44%	94.8%	452,156	$27.95M
33	AWR	American States Water Co	1.43%	96.3%	326,331	$27.72M
34	CWT	California Water Service Group	1.38%	97.6%	539,520	$26.84M
35	HWKN	Hawkins Inc	1.14%	98.8%	163,124	$22.07M
36	SBS	Companhia De Saneamento Basico Do Estado De Sao Paulo-Sabesp American Depositary Shares (Each Repstg 250 Common Shares)	1.13%	99.9%	4,058,765	$22.04M
37	Debt	Structured Asset Securities Corp. Mortgage Loan Trust	0.10%	100.0%	1,849,796	$1.85M

Not reported for this fund: share changes.

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FIW ETF All Holdings

FIW holdings total 38 positions. The top 10 holdings account for 41.7% of the fund, led by Waters Corp. at 5.0%, Agilent Technologies Inc at 4.7%, Roper Technologies Inc. at 4.5%.

FIW portfolio concentration is moderate, with the top 10 representing 41.7% of total assets. The largest sector exposure is Industrials at 60.7%.

FIW sectors provide a detailed breakdown. FIW overlap shows how holdings compare to other funds in your portfolio.

Compare FIW

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FIW ETF Holdings

37 of 38 holdings

Sector

Industry

Sort By

1
Waters Corp.
WATHealth Care
5.02%
2
Agilent Technologies Inc
AInformation Technology
4.66%
3
Roper Technologies Inc.
ROPIndustrials
4.52%
4
Mueller Industries Inc
MLIIndustrials
4.12%
5
Veralto Corp
VLTOIndustrials
4.00%
6
I D E X Corporation
IEXIndustrials
3.97%
7
American Water Works Co. Inc.
AWKUtilities
3.95%
8
Ferguson Enterprises
FERGIndustrials
3.92%
9
Masco Corp.
MASIndustrials
3.79%
10
Xylem,Inc.
XYLIndustrials
3.78%
11
Ecolab, Inc.
ECLMaterials
3.71%
12
Jacobs Engineering Group Inc.
JIndustrials
3.68%
13
Idexx Labs
IDXXHealth Care
3.57%
14
Watts Water Technologies Inc
WTSIndustrials
3.33%
15
Advanced Drainag Tm B 1ln 7/26
WMSMaterials
3.06%
16
Industrials (continued) Tetra Tech Inc.
TTEKIndustrials
2.88%
17
Pentair Plc Ordinary Shares
PNRIndustrials
2.79%
18
Core & Main Inc Class A
CNMUnknown
2.58%
19
Stantec Inc
STN:CAIndustrials
2.37%
20
Aecom Technology Corp
ACMIndustrials
2.30%
21
Itron Inc
ITRIInformation Technology
2.25%
22
Primo Brands Corp
PRMBUnknown
2.24%
23
Franklin Electric Co Inc
FELEIndustrials
2.21%
24
Valmont Industries Inc
VMIIndustrials
2.16%
25
Zurn Elkay Water Solutions
ZWSIndustrials
2.07%
26
Fortune Brands Innovations Inc
FBINIndustrials
1.93%
27
Badger Meter, Inc.
BMIIndustrials
1.83%
28
Mueller Water Products Inc
MWAIndustrials
1.77%
29
Algonquin Power & Utilities Corp - Common
AQN:CAUtilities
1.66%
30
Gorman-rupp Co/the
GRCIndustrials
1.66%
31
Ao Smith Corp.
AOSIndustrials
1.62%
32
Sjw Corp
SJWUtilities
1.44%
33
American States Water Co
AWRUtilities
1.43%
34
California Water Service Group
CWTUtilities
1.38%
35
Hawkins Inc
HWKNMaterials
1.14%
36
Companhia De Saneamento Basico Do Estado De Sao Paulo-Sabesp American Depositary Shares (Each Repstg 250 Common Shares)
SBSP3:BVUtilities
1.13%
37
Structured Asset Securities Corp. Mortgage Loan Trust 0.075% 10/25/2036
Other
0.10%

#	Company	Ticker	Weight
1	Waters Corp.	WAT	5.020%
2	Agilent Technologies Inc	A	4.660%
3	Roper Technologies Inc.	ROP	4.520%
4	Mueller Industries Inc	MLI	4.120%
5	Veralto Corp	VLTO	4.000%
6	I D E X Corporation	IEX	3.970%
7	American Water Works Co. Inc.	AWK	3.950%
8	Ferguson Enterprises	FERG	3.920%
9	Masco Corp.	MAS	3.790%
10	Xylem,Inc.	XYL	3.780%
11	Ecolab, Inc.	ECL	3.710%
12	Jacobs Engineering Group Inc.	J	3.680%
13	Idexx Labs	IDXX	3.570%
14	Watts Water Technologies Inc	WTS	3.330%
15	Advanced Drainag Tm B 1ln 7/26	WMS	3.060%
16	Industrials (continued) Tetra Tech Inc.	TTEK	2.880%
17	Pentair Plc Ordinary Shares	PNR	2.790%
18	Core & Main Inc Class A	CNM	2.580%
19	Stantec Inc	STN:CA	2.370%
20	Aecom Technology Corp	ACM	2.300%
21	Itron Inc	ITRI	2.250%
22	Primo Brands Corp	PRMB	2.240%
23	Franklin Electric Co Inc	FELE	2.210%
24	Valmont Industries Inc	VMI	2.160%
25	Zurn Elkay Water Solutions	ZWS	2.070%
26	Fortune Brands Innovations Inc	FBIN	1.930%
27	Badger Meter, Inc.	BMI	1.830%
28	Mueller Water Products Inc	MWA	1.770%
29	Algonquin Power & Utilities Corp - Common	AQN:CA	1.660%
30	Gorman-rupp Co/the	GRC	1.660%
31	Ao Smith Corp.	AOS	1.620%
32	Sjw Corp	SJW	1.440%
33	American States Water Co	AWR	1.430%
34	California Water Service Group	CWT	1.380%
35	Hawkins Inc	HWKN	1.140%
36	Companhia De Saneamento Basico Do Estado De Sao Paulo-Sabesp American Depositary Shares (Each Repstg 250 Common Shares)	SBSP3:BV	1.130%
37	Structured Asset Securities Corp. Mortgage Loan Trust 0.075% 10/25/2036	-	0.100%