Latest Period
Q1 2026
Security Snapshot
WATTS WATER TECHNOLOGIES INC - Class A Common Stock, par value $.10 per share (WTS) Institutional Ownership
CUSIP: 942749102
13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026
Institutions Reporting
515
Shares (Excl. Options)
26,441,514
Price
$290.29
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- Security type / class
- Equity / Class A Common Stock, par value $.10 per share
- Symbol
- WTS on NYSE
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 26,441,514
- Total 13F value
- $7,671,321,600
- Portfolio coverage rank
- 0.01%
- Share change
- -181,733
- Value change
- -$44,928,384
- Number of holders
- 515
- Shares outstanding
- 33,354,746
- SEC-reported price per share
- $291.69
- Insider filing price
- $291.69
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- WTS - WATTS WATER TECHNOLOGIES INC - Class A Common Stock, par value $.10 per share is tracked under CUSIP 942749102.
- 515 institutions reported positions in Q1 2026.
- 4 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 486 to 515 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $7,333,844,372 to $7,671,321,600.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 515 institutions filings for Q1 2026.
Security key
942749102
Latest holder period
Q1 2026
13F holders
515
13D/G owners
4
CIK / CUSIP context first
Open Q1 2026 holders
WTS full holder history
WATTS WATER TECHNOLOGIES INC SEC filings
WATTS WATER TECHNOLOGIES INC company facts
WATTS WATER TECHNOLOGIES INC insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 942749102:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
4
Security
WTS
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| HORNE TIMOTHY P | 18% | 0% | $1,713,811,199 | -$2,177,175 | 5,903,790 | -0.13% | Timothy P. Horne | 31 Mar 2026 |
| BlackRock, Inc. | 13% | $722,144,311 | 3,501,136 | BlackRock, Inc. | 31 Mar 2025 | |||
| KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC | 7.8% | -13% | $592,434,975 | -$87,657,328 | 2,146,348 | -13% | Kayne Anderson Rudnick Investment Management, LLC | 31 Dec 2025 |
| Impax Asset Management Group plc | 4% | $225,038,323 | 1,091,042 | Impax Asset Management Group plc | 31 Dec 2024 |
As of 31 Mar 2026, 515 institutional investors reported holding 26,441,514 shares of WATTS WATER TECHNOLOGIES INC - Class A Common Stock, par value $.10 per share (WTS). This represents 79% of the company’s total 33,354,746 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
55%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 11% | 3,673,720 | +1.9% | 0.02% | $1,066,444,097 |
| KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC | 6.4% | 2,127,314 | -0.86% | 1.8% | $617,538,132 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 5% | 1,660,725 | 0% | 0.03% | $482,091,860 |
| VANGUARD CAPITAL MANAGEMENT LLC | 3.7% | 1,226,383 | 0% | 0.01% | $356,006,721 |
| STATE STREET CORP | 3% | 991,144 | +1.5% | 0.01% | $287,719,192 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.8% | 918,925 | +10% | 0.02% | $266,790,757 |
| PRICE T ROWE ASSOCIATES INC /MD/ | 2.6% | 868,754 | +7.6% | 0.03% | $252,192,000 |
| Boston Partners | 2.3% | 755,904 | -15% | 0.23% | $219,089,190 |
| Impax Asset Management Group plc | 1.8% | 588,022 | -9.2% | 1.2% | $170,696,906 |
| FIRST TRUST ADVISORS LP | 1.6% | 545,404 | +6.7% | 0.11% | $158,325,326 |
| DIMENSIONAL FUND ADVISORS LP | 1.6% | 521,286 | -0.26% | 0.03% | $151,316,507 |
| Invesco Ltd. | 1.4% | 471,172 | +3.2% | 0.02% | $136,776,520 |
| Mirova US LLC | 1.3% | 437,865 | -4.9% | 1.4% | $127,107,831 |
| AQR CAPITAL MANAGEMENT LLC | 1.3% | 422,625 | +34% | 0.06% | $121,399,043 |
| GAMCO INVESTORS, INC. ET AL | 1.2% | 404,093 | -5.1% | 1.2% | $117,304,157 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.2% | 384,583 | -0.39% | 0.02% | $111,640,599 |
| Boston Trust Walden Corp | 1.1% | 379,024 | -13% | 0.9% | $110,026,877 |
| NORTHERN TRUST CORP | 1.1% | 361,010 | +1.8% | 0.01% | $104,797,593 |
| GOLDMAN SACHS GROUP INC | 0.84% | 281,352 | -0.52% | 0.01% | $81,673,597 |
| NEUBERGER BERMAN GROUP LLC | 0.8% | 266,039 | +184% | 0.06% | $77,228,462 |
| Port Capital LLC | 0.77% | 257,406 | +0.05% | 3.3% | $74,722,388 |
| Cartenna Capital, LP | 0.72% | 240,000 | +9.1% | 3% | $69,669,600 |
| Bank of New York Mellon Corp | 0.68% | 228,290 | -2.2% | 0.01% | $66,270,383 |
| LAZARD ASSET MANAGEMENT LLC | 0.66% | 218,832 | +80% | 0.1% | $63,524,742 |
| KBC Group NV | 0.64% | 214,812 | -2.9% | 0.16% | $62,358,000 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
49
Latest
Q1 2026
Rows shown
1-25 of 49
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 26,441,514 | $7,671,321,600 | -$44,928,384 | $290.29 | 515 |
| 2025 Q4 | 26,574,973 | $7,333,844,372 | +$47,048,222 | $276.02 | 486 |
| 2025 Q3 | 26,345,599 | $7,355,919,701 | -$86,602,046 | $279.28 | 468 |
| 2025 Q2 | 26,717,283 | $6,570,767,580 | +$144,916,566 | $245.89 | 456 |
| 2025 Q1 | 26,179,185 | $5,336,363,073 | -$106,905,982 | $203.92 | 427 |
| 2024 Q4 | 26,604,767 | $5,407,458,823 | +$45,703,353 | $203.30 | 409 |
| 2024 Q3 | 26,362,771 | $5,458,492,953 | +$105,673,930 | $207.19 | 399 |
| 2024 Q2 | 25,880,934 | $4,744,606,548 | +$33,980,870 | $183.37 | 405 |
| 2024 Q1 | 25,646,554 | $5,447,520,522 | -$32,746,867 | $212.55 | 393 |
| 2023 Q4 | 25,790,445 | $5,369,986,725 | +$125,721,184 | $208.34 | 389 |
| 2023 Q3 | 25,143,159 | $4,345,903,869 | -$40,658,803 | $172.82 | 350 |
| 2023 Q2 | 25,335,774 | $4,645,699,994 | -$15,005,642 | $183.73 | 330 |
| 2023 Q1 | 25,457,127 | $4,281,828,535 | -$1,023,199 | $168.32 | 328 |
| 2022 Q4 | 25,606,685 | $3,746,016,532 | +$60,071,965 | $146.23 | 309 |
| 2022 Q3 | 25,299,630 | $3,181,633,249 | -$5,450,323 | $125.73 | 293 |
| 2022 Q2 | 25,242,127 | $3,099,983,823 | +$7,843,657 | $122.84 | 291 |
| 2022 Q1 | 25,280,862 | $3,529,674,225 | -$25,348,312 | $139.59 | 315 |
| 2021 Q4 | 25,327,232 | $4,915,866,437 | -$13,993,481 | $194.17 | 319 |
| 2021 Q3 | 25,366,868 | $4,264,896,737 | -$23,774,897 | $168.09 | 284 |
| 2021 Q2 | 25,533,231 | $3,724,906,989 | -$68,438,869 | $145.91 | 268 |
| 2021 Q1 | 26,065,534 | $3,096,495,648 | -$6,112,966 | $118.81 | 262 |
| 2020 Q4 | 26,070,853 | $3,172,248,024 | -$20,358,179 | $121.70 | 261 |
| 2020 Q3 | 26,428,948 | $2,646,885,373 | +$71,785,345 | $100.15 | 250 |
| 2020 Q2 | 25,808,065 | $2,090,296,440 | +$43,810,209 | $81.00 | 259 |
| 2020 Q1 | 25,297,444 | $2,140,003,057 | -$30,929,422 | $84.65 | 250 |