WTS · Watts Water Technologies Inc · Shareholders & Ownership
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 | As of | Notes |
|---|---|---|---|---|
| 1 |
|
5,903,790 | ||
| 1.1 |
|
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 |
|
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 |
|
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 |
|
214,737 | ||
| 37 |
|
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.
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