Comparable stake leader
Timothy P. Horne
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0000795403.
Comparable stake leader
Timothy P. Horne
Disclosed value leader
Timothy P. Horne
Comparable rows
50/50
Latest evidence
03 Aug 2026
Ownership snapshot
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Quick read
50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Timothy P. Horne |
13D/G
3/4/5
10%+ Owner
|
18%
|
$1,713,811,199
5,903,790 shares
|
-$2,177,175 | 31 Mar 2026 |
| BlackRock, Inc. |
13F
13D/G
Company
|
9.8%
from 13D/G
|
$1,066,444,097
3,673,720 shares
|
— | 31 Mar 2026 |
| KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC |
13F
13D/G
Company
|
7.8%
from 13D/G
|
$617,538,132
2,127,314 shares
|
— | 31 Mar 2026 |
| Impax Asset Management Group plc |
13D/G
13F
Company
|
4%
|
$225,038,323
1,091,042 shares
|
$0 | 31 Dec 2024 |
| Robert J. Pagano Jr. |
3/4/5
President and CEO
|
0.72%
|
$65,930,475
199,753 shares
|
-$5,258,486 | 16 Mar 2026 |
| Merilee Raines |
3/4/5
Director
|
0.08%
|
$8,482,721
21,670 shares
|
— | 03 Aug 2026 |
| Virginia A. Halloran |
3/4/5
Chief Accounting Officer
|
0.05%
|
$4,537,664
13,748 shares
|
-$167,452 | 16 Mar 2026 |
| Joseph William Reitmeier |
3/4/5
Director
|
0.04%
|
$4,753,768
12,144 shares
|
— | 03 Aug 2026 |
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Net insider flow leans to selling over the last 12 months. Net value: -$16,083,549.
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 2,655 | $0 | $802,590 | -$802,590 |
| 3-6 | 0 | 32,703 | $0 | $10,587,699 | -$10,587,699 |
| 6-9 | 0 | 15,605 | $0 | $4,296,387 | -$4,296,387 |
| 9-12 | 0 | 1,440 | $0 | $396,873 | -$396,873 |
Reporting owners
Showing 1-20 of 23 reporting-owner rows connected to WATTS WATER TECHNOLOGIES INC. Open a relationship link for the CIK-to-CIK filing trail.
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Timothy P. Horne | 10%+ Owner | $1,649,191,171 | -$6,604,236 | -0.4% | Mixed | 20 Feb 2026 |
| Robert J. Pagano Jr. | President and CEO | $65,930,475 | -$5,258,486 | -7.4% | Mixed | 16 Mar 2026 |
| Merilee Raines | Director | $8,482,721 | Median | 03 Aug 2026 | ||
| Joseph William Reitmeier | Director | $4,753,768 | Median | 03 Aug 2026 | ||
| Munish Nanda | President, Americas & Europe | $4,604,758 | Mixed | 15 Mar 2022 | ||
| Virginia A. Halloran | Chief Accounting Officer | $4,537,664 | -$167,452 | -3.6% | Mixed | 16 Mar 2026 |
| David A. Dunbar | Director | $4,014,711 | Median | 03 Aug 2026 | ||
| Kenneth Robert Lepage | General Counsel | $3,919,462 | -$1,613,427 | -29% | Mixed | 16 Mar 2026 |
| Andre Dhawan | Chief Operating Officer | $3,886,126 | Mixed | 16 Mar 2026 | ||
| W. Craig Kissel | Director | $3,549,450 | Mixed | 31 Jul 2023 | ||
| Elie Melhem | President- APAC, M. East, Afr. | $2,697,863 | -$1,819,679 | -40% | Filing P/S | 13 May 2026 |
| Diane M. McClintock | Chief Financial Officer | $2,606,153 | Mixed | 16 Mar 2026 | ||
| Monica Barry | Chief HR Officer | $2,444,424 | Mixed | 16 Mar 2026 | ||
| Christopher Conway | Director | $2,217,769 | Mixed | 31 Jul 2023 | ||
| Louise K. Goeser | Director | $2,083,600 | Mixed | 05 Aug 2025 | ||
| Jes Munk Hansen | Director | $1,296,780 | Mixed | 02 Aug 2021 | ||
| Michael J. Dubose | Director | $888,591 | -$424,587 | -32% | Median | 03 Aug 2026 |
| Rebecca Boll | Director | $773,505 | Median | 03 Aug 2026 | ||
| Kenneth Napolitano | Director | $708,524 | Median | 03 Aug 2026 | ||
| Shashank Patel | Chief Financial Officer | $674,674 | Filing P/S | 12 May 2025 |
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Merilee Raines | WTS | Class A Common Stock | Award | 2.15% | 456 | 21,670 | 03 Aug 2026 | Direct | ||
| Kenneth Napolitano | WTS | Class A Common Stock | Award | 33.7% | 456 | 1,810 | 03 Aug 2026 | Direct | ||
| Suzanne Stefany | WTS | Class A Common Stock | Award | 129.9% | 456 | 807 | 03 Aug 2026 | Direct | ||
| Joseph William Reitmeier | WTS | Class A Common Stock | Award | 3.9% | 456 | 12,144 | 03 Aug 2026 | Direct | ||
| Noonan Joseph T. | WTS | Class A Common Stock | Award | 38.2% | 456 | 1,650 | 03 Aug 2026 | Direct | ||
| Michael J. Dubose | WTS | Class A Common Stock | Award | 25.1% | 456 | 2,270 | 03 Aug 2026 | Direct | ||
| Rebecca Boll | WTS | Class A Common Stock | Award | 30% | 456 | 1,976 | 03 Aug 2026 | Direct | ||
| David A. Dunbar | WTS | Class A Common Stock | Award | 456 | 456 | 03 Aug 2026 | Direct | |||
| Michael J. Dubose | WTS | Class A Common Stock | Sale | -18% | $123,233 | $309.63 | -398 | 1,814 | 28 May 2026 | Direct |
| Elie Melhem | WTS | Class A Common Stock | Sale | -20.1% | $679,357 | $301.00 | -2,257 | 8,963 | 13 May 2026 | Direct |
| Elie Melhem | WTS | Class A Common Stock | Sale | -3.21% | $108,672 | $292.13 | -372 | 11,220 | 19 Mar 2026 | Direct |
| Elie Melhem | WTS | Class A Common Stock | Sale | -3.17% | $113,711 | $300.03 | -379 | 11,592 | 18 Mar 2026 | Direct |
| Elie Melhem | WTS | Class A Common Stock | Sale | -20.2% | $917,938 | $303.05 | -3,029 | 11,971 | 17 Mar 2026 | Direct |
| Robert J. Pagano Jr. | WTS | Class A Common Stock | Tax liability | -3.75% | -7,788 | 199,753 | 16 Mar 2026 | Direct | ||
| Diane M. McClintock | WTS | Class A Common Stock | Tax liability | -5.79% | -485 | 7,896 | 16 Mar 2026 | Direct | ||
| Elie Melhem | WTS | Class A Common Stock | Tax liability | -6.76% | -1,087 | 15,000 | 16 Mar 2026 | Direct | ||
| Kenneth Robert Lepage | WTS | Class A Common Stock | Tax liability | -10.6% | -1,402 | 11,875 | 16 Mar 2026 | Direct | ||
| Virginia A. Halloran | WTS | Class A Common Stock | Tax liability | -2.48% | -349 | 13,748 | 16 Mar 2026 | Direct | ||
| Andre Dhawan | WTS | Class A Common Stock | Tax liability | -5.95% | -745 | 11,774 | 16 Mar 2026 | Direct | ||
| Monica Barry | WTS | Class A Common Stock | Tax liability | -4.32% | -334 | 7,406 | 16 Mar 2026 | Direct | ||
| Diane M. McClintock | WTS | Class A Common Stock | Award | 8.23% | 642 | 8,445 | 13 Mar 2026 | Direct | ||
| Robert J. Pagano Jr. | WTS | Class A Common Stock | Tax liability | -0.89% | -1,857 | 207,541 | 13 Mar 2026 | Direct | ||
| Robert J. Pagano Jr. | WTS | Class A Common Stock | Award | 9.52% | 18,196 | 209,398 | 13 Mar 2026 | Direct | ||
| Elie Melhem | WTS | Class A Common Stock | Tax liability | -1.52% | -248 | 16,087 | 13 Mar 2026 | Direct | ||
| Elie Melhem | WTS | Class A Common Stock | Award | 15.2% | 2,159 | 16,335 | 13 Mar 2026 | Direct | ||
| Kenneth Robert Lepage | WTS | Class A Common Stock | Tax liability | -2.24% | -304 | 13,277 | 13 Mar 2026 | Direct | ||
| Kenneth Robert Lepage | WTS | Class A Common Stock | Award | 10.6% | 1,297 | 13,581 | 13 Mar 2026 | Direct | ||
| Virginia A. Halloran | WTS | Class A Common Stock | Tax liability | -0.3% | -42 | 14,097 | 13 Mar 2026 | Direct | ||
| Virginia A. Halloran | WTS | Class A Common Stock | Award | 3.67% | 501 | 14,139 | 13 Mar 2026 | Direct | ||
| Andre Dhawan | WTS | Class A Common Stock | Tax liability | -0.84% | -106 | 12,519 | 13 Mar 2026 | Direct | ||
| Andre Dhawan | WTS | Class A Common Stock | Award | 17.2% | 1,856 | 12,625 | 13 Mar 2026 | Direct | ||
| Monica Barry | WTS | Class A Common Stock | Tax liability | -2.12% | -168 | 7,740 | 13 Mar 2026 | Direct | ||
| Monica Barry | WTS | Class A Common Stock | Award | 11.4% | 810 | 7,908 | 13 Mar 2026 | Direct | ||
| Michael J. Dubose | WTS | Class A Common Stock | Sale | -13% | $100,164 | $301.70 | -332 | 2,212 | 12 Mar 2026 | Direct |
| David A. Dunbar | WTS | Class A Common Stock | Gift | 9,800 | 9,800 | 11 Mar 2026 | By Trust | |||
| David A. Dunbar | WTS | Class A Common Stock | Gift | -100% | -9,800 | 0 | 11 Mar 2026 | Direct | ||
| Timothy P. Horne | WTS | Class A Common Stock | Sale | -50% | $2,475,300 | $330.04 | -7,500 | 7,500 | 20 Feb 2026 | By Revocable Trust |
| Robert J. Pagano Jr. | WTS | Class A Common Stock | Sale | -7.75% | $5,258,486 | $327.31 | -16,066 | 191,202 | 19 Feb 2026 | Direct |
| Kenneth Robert Lepage | WTS | Class A Common Stock | Sale | -29% | $1,613,427 | $321.08 | -5,025 | 12,284 | 17 Feb 2026 | Direct |
| Andre Dhawan | WTS | Class A Common Stock | Tax liability | -2.96% | -329 | 10,769 | 09 Feb 2026 | Direct | ||
| Andre Dhawan | WTS | Class A Common Stock | Award | 10.6% | 1,059 | 11,098 | 09 Feb 2026 | Direct | ||
| Monica Barry | WTS | Class A Common Stock | Tax liability | -9.8% | -771 | 7,098 | 09 Feb 2026 | Direct | ||
| Monica Barry | WTS | Class A Common Stock | Award | 26.2% | 1,633 | 7,869 | 09 Feb 2026 | Direct | ||
| Robert J. Pagano Jr. | WTS | Class A Common Stock | Tax liability | -4.04% | -8,724 | 207,268 | 09 Feb 2026 | Direct | ||
| Robert J. Pagano Jr. | WTS | Class A Common Stock | Award | 9.11% | 18,032 | 215,992 | 09 Feb 2026 | Direct | ||
| Virginia A. Halloran | WTS | Class A Common Stock | Tax liability | -1.49% | -206 | 13,638 | 09 Feb 2026 | Direct | ||
| Virginia A. Halloran | WTS | Class A Common Stock | Award | 3.22% | 432 | 13,844 | 09 Feb 2026 | Direct | ||
| Elie Melhem | WTS | Class A Common Stock | Tax liability | -4.94% | -736 | 14,176 | 09 Feb 2026 | Direct | ||
| Elie Melhem | WTS | Class A Common Stock | Award | 25.1% | 2,993 | 14,912 | 09 Feb 2026 | Direct | ||
| Diane M. McClintock | WTS | Class A Common Stock | Tax liability | -4.69% | -320 | 6,506 | 09 Feb 2026 | Direct |