WATERS CORP (WAT) Institutional Shareholders
WATERS CORP (WAT) 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 $26.39B in WAT holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of WAT tracked by InsiderSet, reporting ownership valued at approximately $2.54B 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 $3.22B, representing an estimated gain of +26.70% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 49% of the total disclosed WAT value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Massachusetts Financial Services Co, Vanguard Capital Management Llc, and several other long-term asset managers with concentrated positions in WATERS CORP (WAT).
This page ranks the largest institutional WAT 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
1,162
Total Reported Value
$26.39B
Largest Holder
Blackrock, Inc.
Largest Position
$2.54B
Insider Transactions (90d)
3
Latest Filing Quarter
Q2 2026
New Institutional Positions
49
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.04% | 8,543,014 | $2,544,109,460 | $3,223,364,612 | +$679,255,152 | +26.70% | |
| Massachusetts Financial Services Co | 0.69% | 4,630,118 | $2,059,388,305 | $1,746,989,823 | -$312,398,482 | -15.17% | |
| Vanguard Capital Management Llc | 0.05% | 6,378,775 | $1,899,599,195 | $2,406,775,595 | +$507,176,400 | +26.70% | |
| Vanguard Portfolio Management Llc | 0.08% | 4,754,185 | $1,415,796,293 | $1,793,801,542 | +$378,005,249 | +26.70% | |
| State Street Corp | 0.04% | 4,362,010 | $1,299,006,578 | $1,645,829,993 | +$346,823,415 | +26.70% | |
| Fundsmith | Terry Smith | 7.46% | 3,212,075 | $956,555,935 | $1,211,948,018 | +$255,392,083 | +26.70% |
| Alliancebernstein L.P. | 0.26% | 2,116,737 | $804,000,215 | $798,666,037 | -$5,334,178 | -0.66% | |
| Geode Capital Management, Llc | 0.05% | 2,646,458 | $785,135,412 | $998,535,068 | +$213,399,656 | +27.18% | |
| Invesco Ltd. | 0.10% | 2,168,285 | $645,715,285 | $818,115,613 | +$172,400,328 | +26.70% | |
| Janus Henderson Group Plc | 0.24% | 1,638,772 | $488,027,923 | $618,325,063 | +$130,297,140 | +26.70% | |
| First Eagle U.S. Value | Jean-Marie Eveillard | 0.62% | 1,575,187 | $469,090,716 | $594,333,807 | +$125,243,091 | +26.70% |
| Mawer Investment Management Ltd. | 2.71% | 1,403,627 | $418,000,121 | $529,602,503 | +$111,602,382 | +26.70% | |
| Viking Global Investors | Ole Andreas Halvorsen | 1.05% | 1,256,462 | $374,174,384 | $474,075,677 | +$99,901,293 | +26.70% |
| Morgan Stanley | 0.02% | 1,221,914 | $363,887,009 | $461,040,371 | +$97,153,362 | +26.70% | |
| Veritas Asset Management Llp | 6.06% | 1,200,813 | $357,602,111 | $453,078,753 | +$95,476,642 | +26.70% | |
| Fundsmith Investment Services | Terry Smith | 7.41% | 1,096,855 | $326,643,419 | $413,854,360 | +$87,210,941 | +26.70% |
| Northern Trust Corp | 0.04% | 1,042,394 | $310,424,934 | $393,305,680 | +$82,880,746 | +26.70% | |
| D. E. Shaw & Co., Inc. | 0.24% | 1,025,240 | $305,316,472 | $386,833,304 | +$81,516,832 | +26.70% | |
| Principal Financial Group Inc | 0.16% | 1,019,289 | $303,556,214 | $384,587,933 | +$81,031,719 | +26.69% | |
| Holocene Advisors, Lp | 0.66% | 917,066 | $273,102,255 | $346,018,172 | +$72,915,917 | +26.70% | |
| Bank Of America Corp | 0.02% | 843,636 | $251,234,652 | $318,312,299 | +$67,077,647 | +26.70% | |
| Dimensional Fund Advisors Lp | 0.05% | 814,716 | $242,598,706 | $307,400,494 | +$64,801,788 | +26.71% | |
| Wellington Management Group Llp | 0.05% | 811,326 | $241,612,883 | $306,121,413 | +$64,508,530 | +26.70% | |
| Ubs Am, A Distinct Business Unit Of Ubs Asset Management Americas Llc | 0.05% | 794,589 | $236,628,604 | $299,806,376 | +$63,177,772 | +26.70% | |
| Charles Schwab Investment Management Inc | 0.04% | 772,524 | $230,059,257 | $291,481,030 | +$61,421,773 | +26.70% | |
| Franklin Resources Inc | 0.05% | 709,535 | $211,299,523 | $267,714,651 | +$56,415,128 | +26.70% | |
| Ameriprise Financial Inc | 0.05% | 695,644 | $207,170,603 | $262,473,438 | +$55,302,835 | +26.69% | |
| Legal & General Group Plc | 0.05% | 684,813 | $203,937,312 | $258,386,793 | +$54,449,481 | +26.70% | |
| Ubs Group Ag | 0.03% | 640,339 | $190,692,955 | $241,606,308 | +$50,913,353 | +26.70% | |
| Goldman Sachs Group Inc | 0.02% | 563,060 | $167,679,334 | $212,448,169 | +$44,768,835 | +26.70% | |
| Vanguard Fiduciary Trust Co | 0.04% | 556,148 | $165,620,874 | $209,840,202 | +$44,219,328 | +26.70% | |
| Deutsche Bank Ag\ | 0.05% | 535,684 | $159,526,695 | $202,118,930 | +$42,592,235 | +26.70% | |
| Artisan Partners Limited Partnership | 0.26% | 534,576 | $159,196,643 | $201,700,871 | +$42,504,228 | +26.70% | |
| Bank Of New York Mellon Corp | 0.03% | 528,908 | $157,508,777 | $199,562,277 | +$42,053,500 | +26.70% | |
| Manufacturers Life Insurance Company, The | 0.13% | 525,246 | $156,417,767 | $198,180,568 | +$41,762,801 | +26.70% | |
| Fmr Llc | 0.01% | 502,814 | $149,738,197 | $189,716,750 | +$39,978,553 | +26.70% | |
| Allspring Global Investments Holdings, Llc | 0.25% | 488,854 | $146,602,427 | $184,449,503 | +$37,847,076 | +25.82% | |
| Storebrand Asset Management As | 0.05% | 502,062 | $145,841,275 | $189,433,013 | +$43,591,738 | +29.89% | |
| Voya Investment Management Llc | 0.15% | 486,579 | $144,506,605 | $183,591,122 | +$39,084,517 | +27.05% | |
| Clearbridge Investments, Llc | 0.12% | 478,271 | $142,429,186 | $180,456,431 | +$38,027,245 | +26.70% | |
| Focus Partners Wealth | 0.16% | 474,862 | $141,414,064 | $179,170,181 | +$37,756,117 | +26.70% | |
| Findlay Park Partners Llp | 1.94% | 467,245 | $139,145,561 | $176,296,211 | +$37,150,650 | +26.70% | |
| Hsbc Holdings Plc | 0.08% | 465,000 | $138,468,119 | $175,449,150 | +$36,981,031 | +26.71% | |
| Beck Mack & Oliver Llc | 2.65% | 432,206 | $128,710,947 | $163,075,646 | +$34,364,699 | +26.70% | |
| Amundi | 0.04% | 432,146 | $128,693,079 | $163,053,007 | +$34,359,928 | +26.70% | |
| Neuberger Berman Group Llc | 0.09% | 382,948 | $113,969,004 | $144,490,110 | +$30,521,106 | +26.78% | |
| London Co Of Virginia | 0.65% | 355,310 | $105,812,563 | $134,062,016 | +$28,249,453 | +26.70% | |
| Point72 Asset Management, L.P. | 0.18% | 354,375 | $105,532,875 | $133,709,231 | +$28,176,356 | +26.70% | |
| Schroder Investment Management Group | 0.08% | 316,203 | $94,165,253 | $119,306,554 | +$25,141,301 | +26.70% | |
| Impax Asset Management Group Plc | 0.65% | 314,584 | $93,683,157 | $118,695,689 | +$25,012,532 | +26.70% |
Frequently asked questions about WAT
Who owns the most WAT stock?
The largest holders of WAT 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 WATERS CORP (WAT).
Is WAT widely held by superinvestors?
Many widely followed stocks like WAT appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly WAT 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.