As of November 6, 2026, Watts Water Technologies Inc. is a publicly traded company (NYSE: WTS); its largest reported holder is Timothy P. Horne, with 17.7% on Schedule 13G/A of October 21, 2026, then BlackRock (10%). The largest insider holding is Robert J. Pagano Jr., the chief executive and president, with 199,753 shares, per Form 4 of March 18, 2026 (Schedule 13G/A, October 21, 2026).
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Is Watts Water Technologies Inc. a real, registered company?
- Watts Water Technologies, Inc. files with the SEC under CIK 795403 (its SEC filings).
- Its shares are listed under the ticker WTS on NYSE (SEC company record).
- Incorporated in Delaware; business address in North Andover, Massachusetts, as its SEC filings state.
- Court and bankruptcy records: see Before you sign or pay below.
Before you sign or pay
- Court and bankruptcy: No federal court case or bankruptcy filing found under WATTS WATER TECHNOLOGIES, INC. in our court records and SEC 8-K records (as of 2026-11-06).
- Leadership changes: the latest reported is Kenneth R. Lepage, Chief Sustainability Officer (Form 8-K filed 2026-10-01). Check you are dealing with the people now in charge.
- Ownership: 5%+ holders are reported on Schedule 13D or 13G; the latest names Timothy P. Horne (filed 2026-10-21).
Who are Watts Water Technologies Inc.'s owners and officers?
Watts Water Technologies Inc.: incorporated in Delaware; business address in North Andover, Massachusetts; industry Miscellaneous Fabricated Metal Products (Schedule 13G/A, 2026-10-21).
| Report | Holder | Share |
|---|---|---|
| Schedule 13G/A, 2026-10-21 | Timothy P. Horne | 17.7% |
| Schedule 13G/A, 2026-09-04 | Blackrock, Inc. | 10% |
| Schedule 13G/A, 2026-07-30 | Blackrock, Inc. | 9.8% |
| Schedule 13G, 2026-04-30 | Vanguard Capital Management | 5.23% |
| Schedule 13G/A, 2026-04-30 | Timothy P. Horne | 17.7% |
| Schedule 13G, 2026-04-29 | Vanguard Portfolio Management | 6.14% |
| Schedule 13G/A, 2026-03-27 | The Vanguard Group | 0% |
| Schedule 13G/A, 2026-02-13 | Kayne Anderson Rudnick Investment Management, LLC | 7.8% |
| Schedule 13G/A, 2026-01-30 | Timothy P. Horne | 17.7% |
| Schedule 13G/A, 2025-07-29 | Timothy P. Horne | 17.8% |
Questions about who owns Watts Water Technologies Inc.
Who owns Watts Water Technologies Inc.?
On this page, 5 holders' latest ownership filings report 5% or more of Watts Water Technologies Inc.: Timothy P. Horne (17.7%, Schedule 13G/A, filed 2026-10-21), Blackrock, Inc. (10%, Schedule 13G/A, filed 2026-09-04), Kayne Anderson Rudnick Investment Management, LLC (7.8%, Schedule 13G/A, filed 2026-02-13), Vanguard Portfolio Management (6.14%, Schedule 13G, filed 2026-04-29) and Vanguard Capital Management (5.23%, Schedule 13G, filed 2026-04-30).
Who are the largest shareholders of Watts Water Technologies Inc.?
By the share each holder's latest filing reports, the largest holders of Watts Water Technologies Inc. on this page are Timothy P. Horne (17.7%), Blackrock, Inc. (10%) and Kayne Anderson Rudnick Investment Management, LLC (7.8%).
When did Timothy P. Horne buy into Watts Water Technologies Inc.?
The filings give report dates, not purchase dates. The earliest filing from Timothy P. Horne on this page is the Schedule 13G/A, filed 2025-07-29, reporting 17.8%; its latest, Schedule 13G/A filed 2026-10-21, reports 17.7%. That earliest filing is itself an amendment, which updates an earlier report.
Is this an audit or a full list?
Neither. The ownership list on this page covers only Schedule 13D and 13G filings, which holders make once they own 5% or more of a class of shares (an amendment can report a stake that has since fallen below 5%); 10 such filings are shown here. It is not an audit and not a full cap table: holders who never reached 5% are not listed, and a stake can change after its latest filing.
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What the Full Report on Watts Water Technologies Inc. covers
The Short Answer
Which Company This Is
What They Do, And How The Money Works
Who Runs It, And How To Reach Them
The Money: Funding, Valuation, Runway
Who Pays Them, And Who They Are Up Against
Warning Bells
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| Filed | Person | Role | Change | Effective |
|---|---|---|---|---|
| Form 8-K, 2026-10-01 | Kenneth R. Lepage | Chief Sustainability Officer | departed | 2027-03-31 |
Which insiders own Watts Water Technologies Inc. shares?
Directors, officers and holders of 10% or more report their shares on Forms 3, 4 and 5. Each line is the latest such report, largest holding first.
- , the chief executive and president: 199,753 shares (Form 4, 2026-03-18).
- , a director: 21,670 shares (Form 4, 2026-08-04).
- , the chief accounting officer: 13,748 shares (Form 4, 2026-03-18).
- , a director: 12,144 shares (Form 4, 2026-08-04).
- , the general counsel: 11,875 shares (Form 4, 2026-03-18).
Shares only: the company's cover page does not give one share count for a single class, so no percentage is worked out.
How much has Watts Water Technologies Inc. raised?
No fundraising or offering filing from Watts Water Technologies Inc. is on file with us.
Keep reading
More on Watts Water Technologies Inc. and the records around it.
Watts Water Technologies Inc. elsewhere on the record
- 5%+ stake filings Oct 2026
Companies that share a holder
- Timothy P. Horne also filed stake reports on 1 other company: C3is Inc. (Sep 2026)
- Kayne Anderson Rudnick Investment Management, LLC also filed stake reports on 53 other companies: Andersen Group Inc. (Aug 2026), Bright Horizons Family Solutions Inc (Aug 2026), Choice Hotels International Inc (Aug 2026)
- Vanguard Portfolio Management also filed stake reports on 941 other companies: Newmark Group Inc (Nov 2026), A10 Networks Inc (Oct 2026), ADT Inc (Oct 2026)
Related pages
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