WATTS WATER TECHNOLOGIES-A (WTS) Top Institutional Shareholders
WATTS WATER TECHNOLOGIES-A (WTS) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended March 31, 2026. The institutional investors covered on this page collectively reported approximately $7.61B in WTS holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of WTS tracked by InsiderSet, reporting ownership valued at approximately $1.07B in its March 31, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $1.24B, representing an estimated gain of +15.86% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 54% of the total disclosed WTS value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Kayne Anderson Rudnick Investment Management Llc, Storebrand Asset Management As, and several other long-term asset managers with concentrated positions in WATTS WATER TECHNOLOGIES-A (WTS).
This page ranks the largest institutional WTS shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
512
Total Reported Value
$7.61B
Largest Holder
Blackrock, Inc.
Largest Position
$1.07B
Insider Transactions (90d)
0
Latest Filing Quarter
Q1 2026
New Institutional Positions
54
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.02% | 3,673,720 | $1,066,444,097 | $1,235,545,510 | +$169,101,413 | +15.86% | |
| Kayne Anderson Rudnick Investment Management Llc | 1.81% | 2,127,314 | $617,538,132 | $715,458,244 | +$97,920,112 | +15.86% | |
| Storebrand Asset Management As | 0.17% | 3,386,323 | $497,392,992 | $1,138,888,151 | +$641,495,159 | +128.97% | |
| Vanguard Portfolio Management Llc | 0.03% | 1,660,725 | $482,091,860 | $558,535,032 | +$76,443,172 | +15.86% | |
| Vanguard Capital Management Llc | 0.01% | 1,226,383 | $356,006,721 | $412,457,131 | +$56,450,410 | +15.86% | |
| State Street Corp | 0.01% | 991,144 | $287,719,192 | $333,341,550 | +$45,622,358 | +15.86% | |
| Geode Capital Management, Llc | 0.02% | 918,925 | $266,790,757 | $309,052,856 | +$42,262,099 | +15.84% | |
| Boston Partners | 0.23% | 755,904 | $219,089,190 | $254,225,633 | +$35,136,443 | +16.04% | |
| Impax Asset Management Group Plc | 1.19% | 588,022 | $170,696,906 | $197,763,559 | +$27,066,653 | +15.86% | |
| First Trust Advisors Lp | 0.11% | 545,404 | $158,325,326 | $183,430,273 | +$25,104,947 | +15.86% | |
| Dimensional Fund Advisors Lp | 0.03% | 521,286 | $151,316,507 | $175,318,908 | +$24,002,401 | +15.86% | |
| Invesco Ltd. | 0.02% | 471,172 | $136,776,520 | $158,464,567 | +$21,688,047 | +15.86% | |
| Mirova Us Llc | 1.44% | 437,865 | $127,107,831 | $147,262,757 | +$20,154,926 | +15.86% | |
| Aqr Capital Management Llc | 0.06% | 422,625 | $121,399,043 | $142,137,240 | +$20,738,197 | +17.08% | |
| Gamco Investors, Inc. Et Al | 1.16% | 404,093 | $117,304,157 | $135,904,558 | +$18,600,401 | +15.86% | |
| Charles Schwab Investment Management Inc | 0.02% | 384,583 | $111,640,599 | $129,342,955 | +$17,702,356 | +15.86% | |
| Boston Trust Walden Corp | 0.90% | 379,024 | $110,026,877 | $127,473,352 | +$17,446,475 | +15.86% | |
| Northern Trust Corp | 0.01% | 361,010 | $104,797,593 | $121,414,883 | +$16,617,290 | +15.86% | |
| Goldman Sachs Group Inc | 0.01% | 281,352 | $81,673,597 | $94,624,305 | +$12,950,708 | +15.86% | |
| Neuberger Berman Group Llc | 0.06% | 266,039 | $77,228,462 | $89,474,236 | +$12,245,774 | +15.86% | |
| Port Capital Llc | 3.32% | 257,406 | $74,722,388 | $86,570,786 | +$11,848,398 | +15.86% | |
| Cartenna Capital, Lp | 3.04% | 240,000 | $69,669,600 | $80,716,800 | +$11,047,200 | +15.86% | |
| Bank Of New York Mellon Corp | 0.01% | 228,290 | $66,270,383 | $76,778,493 | +$10,508,110 | +15.86% | |
| Lazard Asset Management Llc | 0.10% | 218,832 | $63,524,742 | $73,597,578 | +$10,072,836 | +15.86% | |
| Wells Fargo & Company/Mn | 0.01% | 212,340 | $61,639,913 | $71,414,189 | +$9,774,276 | +15.86% | |
| Morgan Stanley | 0.00% | 198,524 | $57,629,767 | $66,767,592 | +$9,137,825 | +15.86% | |
| Vanguard Fiduciary Trust Co | 0.01% | 190,723 | $55,364,980 | $64,143,959 | +$8,778,979 | +15.86% | |
| Birch Hill Investment Advisors Llc | 2.47% | 189,310 | $54,954,800 | $63,668,739 | +$8,713,939 | +15.86% | |
| Bnp Paribas Asset Management Holding S.A. | 0.06% | 177,659 | $51,572,631 | $59,750,275 | +$8,177,644 | +15.86% | |
| Victory Capital Management Inc | 0.03% | 159,071 | $46,176,720 | $53,498,759 | +$7,322,039 | +15.86% | |
| Amundi | 0.01% | 156,696 | $45,487,282 | $52,699,999 | +$7,212,717 | +15.86% | |
| Gabelli Funds Llc | 0.30% | 154,025 | $44,711,917 | $51,801,688 | +$7,089,771 | +15.86% | |
| Raymond James Financial Inc | 0.01% | 150,210 | $43,604,522 | $50,518,627 | +$6,914,105 | +15.86% | |
| Ae Wealth Management Llc | 0.23% | 145,476 | $42,230,791 | $48,926,488 | +$6,695,697 | +15.86% | |
| Renaissance Technologies LLC | Jim Simons | 0.06% | 135,140 | $39,229,791 | $45,450,285 | +$6,220,494 | +15.86% |
| Bank Of America Corp | 0.00% | 133,817 | $38,845,793 | $45,005,333 | +$6,159,540 | +15.86% | |
| Eulav Asset Management | 1.20% | 128,866 | $37,408,522 | $43,340,213 | +$5,931,691 | +15.86% | |
| Polar Capital Holdings Plc | 0.16% | 126,505 | $36,723,136 | $42,546,162 | +$5,823,026 | +15.86% | |
| Nuveen, Llc | 0.01% | 123,104 | $35,735,859 | $41,402,337 | +$5,666,478 | +15.86% | |
| Legal & General Group Plc | 0.01% | 103,610 | $30,076,948 | $34,846,115 | +$4,769,167 | +15.86% | |
| Allianz Asset Management Gmbh | 0.03% | 94,787 | $27,515,718 | $31,878,764 | +$4,363,046 | +15.86% | |
| Deutsche Bank Ag\ | 0.01% | 90,038 | $26,137,132 | $30,281,580 | +$4,144,448 | +15.86% | |
| Rhumbline Advisers | 0.02% | 88,633 | $25,729,248 | $29,809,051 | +$4,079,803 | +15.86% | |
| Triodos Investment Management Bv | 1.89% | 86,000 | $24,964,940 | $28,923,520 | +$3,958,580 | +15.86% | |
| Jupiter Asset Management Ltd | 0.13% | 84,308 | $24,473,769 | $28,354,467 | +$3,880,698 | +15.86% | |
| Principal Financial Group Inc | 0.01% | 83,968 | $24,375,071 | $28,240,118 | +$3,865,047 | +15.86% | |
| Qube Research & Technologies Ltd | 0.03% | 80,605 | $23,398,825 | $27,109,074 | +$3,710,249 | +15.86% | |
| Federated Hermes, Inc. | 0.04% | 79,888 | $23,190,688 | $26,867,932 | +$3,677,244 | +15.86% | |
| Russell Investments Group, Ltd. | 0.02% | 79,268 | $23,011,297 | $26,659,414 | +$3,648,117 | +15.85% | |
| Ubs Group Ag | 0.00% | 79,050 | $22,947,425 | $26,586,096 | +$3,638,671 | +15.86% |
Frequently asked questions about WTS
Who owns the most WTS stock?
The largest holders of WTS are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for WATTS WATER TECHNOLOGIES-A (WTS).
Is WTS widely held by superinvestors?
Many widely followed stocks like WTS appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly WTS is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.