Skip to main content
WTS logo

WTS · Watts Water Technologies Inc · Shareholders & Ownership

Track WTS — free
$358.10 +1.10 (+0.31%) At close · Oct 20
Market Cap
$11.98B
Shares
33.38M
Volume · Oct 20 230.79K Avg daily vol (3M) 205.06K

Every disclosed holder of WTS in one list: 13F institutions, Schedule 13D and 13G filers, insiders (Forms 3, 4 and 5) and registered funds, each from its own latest filing. Holders nest by CIK and SEC reporting links, never by name, and each is summed once.

Who Owns WTS

13F quarter Sep 30, 2026, combined view: filers that have not filed yet carry their Jun 30, 2026 positions
Holder group Shares % Out
Institutional (13F) 27,121,751 81.24%
Insiders (Forms 3, 4, 5) 0 0.00%
13D/G-only blocks 5,903,790 17.69%
Remaining 357,509 1.07%
Registered funds (N-PORT, not summed) 12,007,068 35.97%

Shares outstanding: 33,383,050, the issuer's latest cover-page count restated onto today's split basis.

Insiders are listed but not summed: the issuer has more than one class of common stock and Forms 3, 4 and 5 report one issuer-wide balance across them.

13D/G-only counts each filer's latest 13D or 13G that no 13F report of the listing contains, that names no 13F filer and that no counted insider files. Funds are never summed: their shares sit inside their advisers' 13F reports.

Holders of WTS

# Holder Shares
1
Timothy P. Horne
13G CIK 1235976 · Unknown · Mar 31, 2026
Rule 13d-1(d), exempt investor
5,903,790
1.1
HORNE TIMOTHY P
Insider CIK 1235976 · Feb 20, 2026
10% Owner, issuer-wide, not summed
7,500
2
BlackRock, Inc.
13G CIK 2012383 · Holding company · Aug 31, 2026
Rule 13d-1(b), qualified institution, not summed
2,753,010
2.1
BlackRock, Inc.
13F CIK 2012383 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
2,820,067
2.2
iShares Core S&P Mid-Cap ETF
Fund S000004307 · Registered fund · Jun 30, 2026
iShares Trust, not summed
940,257
2.3
iShares S&P Mid-Cap 400 Growth ETF
Fund S000004308 · Registered fund · Jun 30, 2026
iShares Trust, not summed
164,424
2.4
iShares Russell Mid-Cap ETF
Fund S000004338 · Registered fund · Jun 30, 2026
iShares Trust, not summed
111,865
2.5
iShares Russell 1000 Value ETF
Fund S000004345 · Registered fund · Jun 30, 2026
iShares Trust, not summed
60,945
3
KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC
13F CIK 1021223 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,984,087
4
VANGUARD PORTFOLIO MANAGEMENT LLC
13F CIK 2100121 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,496,689
5
VANGUARD CAPITAL MANAGEMENT LLC
13F CIK 2100119 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,235,782
6
Boston Partners
13F CIK 1386060 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
997,499
7
VANGUARD TOTAL STOCK MARKET INDEX FUND
Fund S000002848 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
872,471
8
STATE STREET CORP
13F CIK 93751 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
852,511
8.1
State Street(R) SPDR(R) Portfolio S&P 400(TM) Mid Cap ETF
Fund S000006986 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
139,091
8.2
State Street(R) SPDR(R) S & P 400(TM) Mid Cap Growth ETF
Fund S000006987 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
42,492
8.3
STATE STREET SMALL/MID CAP EQUITY INDEX PORTFOLIO
Fund S000050332 · Registered fund · Jun 30, 2026
STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed
9,382
8.4
State Street(R) SPDR(R) Portfolio S&P 1500(R) Composite Stock Market ETF
Fund S000006973 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
5,792
8.5
State Street Institutional Small-Cap Equity Fund
Fund S000001631 · Registered fund · Jun 30, 2026
STATE STREET INSTITUTIONAL FUNDS, not summed
2,900
9
GEODE CAPITAL MANAGEMENT, LLC
13F CIK 1214717 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
767,575
10
PRICE T ROWE ASSOCIATES INC /MD/
13F CIK 80255 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
673,229
10.1
T. Rowe Price New Horizons Fund, Inc.
Fund S000002106 · Registered fund · Jun 30, 2026
T. ROWE PRICE NEW HORIZONS FUND, INC., not summed
188,310
10.2
T. Rowe Price Integrated U.S. Small-Cap Growth Equity Fund
Fund S000002074 · Registered fund · Jun 30, 2026
T. ROWE PRICE INTEGRATED EQUITY FUNDS, INC., not summed
159,214
10.3
T. Rowe Price Small-Mid Cap ETF
Fund S000079837 · Registered fund · Jun 30, 2026
T. Rowe Price Exchange-Traded Funds, Inc., not summed
45,314
10.4
T. Rowe Price Integrated U.S. Small-Mid Cap Core Equity Fund
Fund S000052904 · Registered fund · Jun 30, 2026
T. ROWE PRICE INTEGRATED EQUITY FUNDS, INC., not summed
28,510
10.5
T. Rowe Price Extended Equity Market Index Fund
Fund S000002090 · Registered fund · Jun 30, 2026
T. ROWE PRICE INDEX TRUST, INC., not summed
4,400
11
Capital World Investors
13F CIK 1422849 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
659,012
12
SMALLCAP World Fund Inc
Fund S000009599 · Registered fund · Jun 30, 2026
SMALLCAP World Fund Inc, not summed
641,394
13
VANGUARD SMALL-CAP INDEX FUND
Fund S000002845 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
629,866
14
FIRST TRUST ADVISORS LP
13F CIK 1125816 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
546,475
14.1
First Trust Water ETF
Fund S000017178 · Registered fund · Jun 30, 2026
First Trust Exchange-Traded Fund, not summed
175,491
14.2
FT Vest SMID Rising Dividend Achievers Target Income ETF
Fund S000081275 · Registered fund · Jul 31, 2026
First Trust Exchange-Traded Fund IV, not summed
24,570
14.3
First Trust BuyWrite Income ETF
Fund S000040302 · Registered fund · Jun 30, 2026
First Trust Exchange-Traded Fund VI, not summed
13,728
14.4
First Trust Mid Cap Core AlphaDEX Fund
Fund S000017338 · Registered fund · Jul 31, 2026
First Trust Exchange-Traded AlphaDEX Fund, not summed
10,525
14.5
First Trust Mid Cap Growth AlphaDEX Fund
Fund S000031804 · Registered fund · Jul 31, 2026
First Trust Exchange-Traded AlphaDEX Fund, not summed
9,379
15
Impax Asset Management Group plc
13F CIK 1749768 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
543,412
16
DIMENSIONAL FUND ADVISORS LP
13F CIK 354204 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
526,726
16.1
U.S. SMALL CAP PORTFOLIO
Fund S000000971 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
121,950
16.2
Dimensional U.S. Small Cap ETF
Fund S000070906 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
73,079
16.3
Dimensional U.S. Core Equity 2 ETF
Fund S000070903 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
45,096
16.4
U.S. CORE EQUITY 2 PORTFOLIO
Fund S000000980 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
41,364
16.5
U.S. CORE EQUITY 1 PORTFOLIO
Fund S000000979 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
31,544
17
Invesco Ltd.
13F CIK 914208 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
509,483
17.1
Invesco S&P MidCap Momentum ETF
Fund S000003056 · Registered fund · Jul 31, 2026
Invesco Exchange-Traded Fund Trust, not summed
203,536
17.2
Invesco Water Resources ETF
Fund S000003048 · Registered fund · Jul 31, 2026
Invesco Exchange-Traded Fund Trust, not summed
108,487
17.3
Invesco S&P Global Water Index ETF
Fund S000060819 · Registered fund · Jul 31, 2026
Invesco Exchange-Traded Fund Trust II, not summed
97,269
17.4
Invesco S&P MidCap Low Volatility ETF
Fund S000030966 · Registered fund · May 31, 2026
Invesco Exchange-Traded Fund Trust II, not summed
25,593
17.5
Invesco RAFI US 1500 Small-Mid ETF
Fund S000013120 · Registered fund · Jul 31, 2026
Invesco Exchange-Traded Fund Trust, not summed
21,744
18
Pictet Asset Management Holding SA
13F CIK 1993888 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
489,605
19
AQR CAPITAL MANAGEMENT LLC
13F CIK 1167557 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
416,533
19.1
AQR Long-Short Equity Fund
Fund S000041116 · Registered fund · Jun 30, 2026
AQR Funds, not summed
21,991
19.2
AQR Equity Market Neutral Fund
Fund S000046740 · Registered fund · Jun 30, 2026
AQR Funds, not summed
12,873
19.3
AQR Style Premia Alternative Fund
Fund S000042050 · Registered fund · Jun 30, 2026
AQR Funds, not summed
11,714
19.4
AQR Managed Futures Strategy HV Fund
Fund S000041117 · Registered fund · Jun 30, 2026
AQR Funds, not summed
3,311
19.5
AQR Managed Futures Strategy Fund
Fund S000027214 · Registered fund · Jun 30, 2026
AQR Funds, not summed
2,748
20
Mirova US LLC
13F CIK 1802900 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
412,095
21
VANGUARD SMALL-CAP VALUE INDEX FUND
Fund S000002847 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
399,145
22
GAMCO INVESTORS, INC. ET AL
13F CIK 807249 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
399,032
23
Boston Trust Walden Corp
13F CIK 1534866 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
368,967
24
Virtus KAR Small-Cap Core Fund
Fund S000021172 · Registered fund · Jun 30, 2026
Virtus Equity Trust, not summed
348,000
25
MORGAN STANLEY
13F CIK 895421 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
327,665
25.1
E*TRADE No Fee Total Market Index Fund
Fund S000090722 · Registered fund · Jul 31, 2026
E Trade Trust, not summed
33
26
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F CIK 884546 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
325,015
26.1
Schwab U.S. Small-Cap ETF
Fund S000026636 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
131,747
26.2
Schwab U.S. Mid-Cap ETF
Fund S000026635 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
74,150
26.3
Schwab Fundamental U.S. Small Company ETF
Fund S000040878 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
41,873
26.4
Schwab Total Stock Market Index Fund
Fund S000005913 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
16,709
26.5
Schwab U.S. Broad Market ETF
Fund S000026631 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
15,952
27
VANGUARD EXTENDED MARKET INDEX FUND
Fund S000002841 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
314,825
28
NEUBERGER BERMAN GROUP LLC
13F CIK 1465109 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
314,261
28.1
Neuberger Genesis Fund
Fund S000007841 · Registered fund · May 31, 2026
NEUBERGER BERMAN EQUITY FUNDS, not summed
154,017
28.2
Neuberger Small Cap Growth Fund
Fund S000007839 · Registered fund · May 31, 2026
NEUBERGER BERMAN EQUITY FUNDS, not summed
24,869
28.3
Neuberger Small-Mid Cap ETF
Fund S000084236 · Registered fund · May 31, 2026
Neuberger Berman ETF Trust, not summed
11,381
29
First Trust SMID Cap Rising Dividend Achievers ETF
Fund S000059604 · Registered fund · Jun 30, 2026
First Trust Exchange-Traded Fund VI, not summed
311,734
30
NORTHERN TRUST CORP
13F CIK 73124 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
260,683
30.1
Mid Cap Index Fund
Fund S000001273 · Registered fund · Jun 30, 2026
Northern Funds, not summed
17,858
30.2
FlexShares Morningstar US Market Factor Tilt Index Fund
Fund S000033312 · Registered fund · Jul 31, 2026
FlexShares Trust, not summed
1,002
31
Port Capital LLC
13F CIK 1729212 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
248,896
32
NORGES BANK
13F CIK 1374170 · Non-US institution · Jun 30, 2026
carried, not yet filed for the newest quarter
241,492
33
UBS Group AG
13F CIK 1610520 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
239,210
34
GOLDMAN SACHS GROUP INC
13F CIK 886982 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
226,766
34.1
Goldman Sachs Small Cap Growth Fund
Fund S000061413 · Registered fund · May 31, 2026
Goldman Sachs Trust, not summed
17,339
34.2
Goldman Sachs ActiveBeta(R) U.S. Small Cap Equity ETF
Fund S000048296 · Registered fund · May 31, 2026
Goldman Sachs ETF Trust, not summed
10,018
34.3
Goldman Sachs Rising Dividend Growth Fund
Fund S000036119 · Registered fund · Jul 31, 2026
GOLDMAN SACHS TRUST, not summed
6,455
34.4
Goldman Sachs Absolute Return Tracker Fund
Fund S000020314 · Registered fund · Jun 30, 2026
GOLDMAN SACHS TRUST, not summed
2,025
34.5
Multi-Manager U.S. Small Cap Equity Fund
Fund S000051363 · Registered fund · Apr 30, 2026
Goldman Sachs Trust II, not summed
1,050
35
1290 VT GAMCO Small Company Value Portfolio
Fund S000009151 · Registered fund · Jun 30, 2026
EQ Advisors Trust, not summed
222,500
36
KBC Group NV
13F CIK 1411133 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
214,737
37
Pagano Robert J Jr
Insider CIK 1299653 · Mar 16, 2026
Director, issuer-wide, not summed
199,753
38
Bank of New York Mellon Corp
13F CIK 1390777 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
194,384
38.1
BNY Mellon US Mid Cap Core Equity ETF
Fund S000067261 · Registered fund · Jul 31, 2026
BNY Mellon ETF Trust, not summed
4,718
39
WELLS FARGO & COMPANY/MN
13F CIK 72971 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
192,471
40
Cartenna Capital, LP
13F CIK 1808928 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
190,000
41
Birch Hill Investment Advisors LLC
13F CIK 1424177 · Registered investment adviser · Sep 30, 2026
188,553
42
Amundi
13F CIK 1330387 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
184,776
43
RENAISSANCE TECHNOLOGIES LLC
13F CIK 1037389 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
179,940
44
VANGUARD FIDUCIARY TRUST CO
13F CIK 933478 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
173,611
45
VICTORY CAPITAL MANAGEMENT INC
13F CIK 1040188 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
171,183
45.1
Victory Sycamore Small Company Opportunity Fund
Fund S000000800 · Registered fund · Jun 30, 2026
Victory Portfolios, not summed
115,000
45.2
Victory RS Small Cap Growth Fund
Fund S000053581 · Registered fund · Jun 30, 2026
Victory Portfolios, not summed
7,100
45.3
Victory Mid-Cap Core Growth Fund
Fund S000046392 · Registered fund · Jun 30, 2026
Victory Portfolios, not summed
4,500
45.4
Victory Extended Market Index Fund
Fund S000012941 · Registered fund · Jul 31, 2026
Victory Portfolios III, not summed
3,138
46
JPMORGAN CHASE & CO
13F CIK 19617 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
169,527
47
Polar Capital Holdings Plc
13F CIK 1837309 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
163,097
48
AE Wealth Management LLC
13F CIK 1697723 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
157,140
49
GABELLI FUNDS LLC
13F CIK 1081407 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
156,556
49.1
The Gabelli Small Cap Growth Fund
Fund S000001062 · Registered fund · Jun 30, 2026
Gabelli Equity Series Funds Inc, not summed
39,000
49.2
The Gabelli Asset Fund
Fund S000001087 · Registered fund · Jun 30, 2026
Gabelli Asset Fund, not summed
32,500
49.3
Gabelli Love Our Planet & People ETF
Fund S000069043 · Registered fund · Jun 30, 2026
Gabelli ETFs Trust, not summed
456
50
VANGUARD DIVIDEND APPRECIATION INDEX FUND
Fund S000011322 · Registered fund · Jul 31, 2026
VANGUARD SPECIALIZED FUNDS, not summed
155,452

75 more nested rows are not shown here; Every filing lists them all.

Shares are restated onto today's split basis. Change compares each row with the same holder's previous filing in the same source; a dash means there is none to compare. Nested 13D/G, insider and fund rows are not summed, since a 13F report already holds them.

Showing 1–50 of 793 holders

Create a free account to page through every holder, filter by source and group by ultimate parent.

Key facts CIK 795403 CUSIP 942749102 13F (30d) 82 filings 78 filers Visit website Investor relations