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 June 30, 2026. The institutional investors covered on this page collectively reported approximately $34.15B 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 $3.18B in its June 30, 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 $3.52B, representing an estimated gain of +10.51% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 48% 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
1,166
Total Reported Value
$34.15B
Largest Holder
Blackrock, Inc.
Largest Position
$3.18B
Insider Transactions (90d)
4
Latest Filing Quarter
Q2 2026
New Institutional Positions
73
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.05% | 8,484,939 | $3,182,191,259 | $3,516,498,119 | +$334,306,860 | +10.51% | |
| Massachusetts Financial Services Co | 0.80% | 4,625,035 | $2,526,510,262 | $1,916,799,505 | -$609,710,757 | -24.13% | |
| Vanguard Capital Management Llc | 0.05% | 6,415,552 | $2,406,088,623 | $2,658,861,371 | +$252,772,748 | +10.51% | |
| Vanguard Portfolio Management Llc | 0.08% | 4,740,524 | $1,777,886,121 | $1,964,662,767 | +$186,776,646 | +10.51% | |
| State Street Corp | 0.05% | 4,382,008 | $1,643,428,280 | $1,816,079,396 | +$172,651,116 | +10.51% | |
| Invesco Ltd. | 0.10% | 3,494,267 | $1,310,489,770 | $1,448,164,015 | +$137,674,245 | +10.51% | |
| Geode Capital Management, Llc | 0.05% | 2,636,146 | $984,754,202 | $1,092,524,348 | +$107,770,146 | +10.94% | |
| Fundsmith | Terry Smith | 6.25% | 2,273,632 | $852,702,945 | $942,284,046 | +$89,581,101 | +10.51% |
| Alliancebernstein L.P. | 0.27% | 2,694,590 | $802,448,902 | $1,116,745,880 | +$314,296,978 | +39.17% | |
| Jpmorgan Chase & Co | 0.05% | 2,158,391 | $796,166,229 | $894,523,566 | +$98,357,337 | +12.35% | |
| Viking Global Investors | Ole Andreas Halvorsen | 1.78% | 1,662,140 | $623,368,986 | $688,857,302 | +$65,488,316 | +10.51% |
| Wellington Management Group Llp | 0.09% | 1,373,150 | $514,986,178 | $569,088,286 | +$54,102,108 | +10.51% | |
| First Eagle U.S. Value | Jean-Marie Eveillard | 0.84% | 1,335,108 | $500,718,821 | $553,322,160 | +$52,603,339 | +10.51% |
| Janus Henderson Group Plc | 0.24% | 1,638,772 | $488,027,923 | $679,172,668 | +$191,144,745 | +39.17% | |
| Schroder Investment Management Group | 0.34% | 1,264,226 | $474,135,320 | $523,945,823 | +$49,810,503 | +10.51% | |
| Mawer Investment Management Ltd. | 3.10% | 1,216,947 | $456,403,803 | $504,351,515 | +$47,947,712 | +10.51% | |
| Principal Financial Group Inc | 0.21% | 1,114,092 | $417,842,492 | $461,724,288 | +$43,881,796 | +10.50% | |
| Morgan Stanley | 0.02% | 1,097,302 | $411,533,113 | $454,765,841 | +$43,232,728 | +10.51% | |
| Northern Trust Corp | 0.05% | 1,032,726 | $387,313,559 | $428,002,963 | +$40,689,404 | +10.51% | |
| D. E. Shaw & Co., Inc. | 0.22% | 948,639 | $355,777,571 | $393,153,947 | +$37,376,376 | +10.51% | |
| Fmr Llc | 0.02% | 924,742 | $346,815,184 | $383,250,074 | +$36,434,890 | +10.51% | |
| Millennium Management Llc | 0.23% | 894,660 | $335,533,286 | $370,782,890 | +$35,249,604 | +10.51% | |
| Veritas Asset Management Llp | 5.75% | 851,624 | $319,393,065 | $352,947,051 | +$33,553,986 | +10.51% | |
| Holocene Advisors, Lp | 0.73% | 847,774 | $317,949,161 | $351,351,457 | +$33,402,296 | +10.51% | |
| Bank Of America Corp | 0.02% | 839,592 | $314,880,434 | $347,960,508 | +$33,080,074 | +10.51% | |
| Fundsmith Investment Services | Terry Smith | 6.95% | 837,764 | $314,195,011 | $347,202,912 | +$33,007,901 | +10.51% |
| Charles Schwab Investment Management Inc | 0.04% | 816,512 | $306,224,660 | $338,395,233 | +$32,170,573 | +10.51% | |
| Sixth Street Partners Management Company, L.P. | 0.04% | 816,512 | $306,224,660 | $338,395,233 | +$32,170,573 | +10.51% | |
| Dimensional Fund Advisors Lp | 0.05% | 801,084 | $300,389,705 | $332,001,253 | +$31,611,548 | +10.52% | |
| Allspring Global Investments Holdings, Llc | 0.45% | 774,836 | $292,988,737 | $321,123,032 | +$28,134,295 | +9.60% | |
| Ubs Group Ag | 0.04% | 694,851 | $260,596,918 | $287,974,048 | +$27,377,130 | +10.51% | |
| Legal & General Group Plc | 0.05% | 690,148 | $258,833,111 | $286,024,937 | +$27,191,826 | +10.51% | |
| Voya Investment Management Llc | 0.21% | 653,967 | $244,687,088 | $271,030,083 | +$26,342,995 | +10.77% | |
| Neuberger Berman Group Llc | 0.16% | 638,786 | $239,367,458 | $264,738,470 | +$25,371,012 | +10.60% | |
| Ubs Am, A Distinct Business Unit Of Ubs Asset Management Americas Llc | 0.05% | 794,589 | $236,628,604 | $329,309,465 | +$92,680,861 | +39.17% | |
| Goldman Sachs Group Inc | 0.02% | 584,254 | $219,118,434 | $242,138,228 | +$23,019,794 | +10.51% | |
| Marshall Wace, Llp | 0.18% | 581,332 | $218,022,754 | $240,927,234 | +$22,904,480 | +10.51% | |
| Artisan Partners Limited Partnership | 0.34% | 560,753 | $210,304,687 | $232,398,473 | +$22,093,786 | +10.51% | |
| Vanguard Fiduciary Trust Co | 0.05% | 551,398 | $206,796,306 | $228,521,387 | +$21,725,081 | +10.51% | |
| Bank Of New York Mellon Corp | 0.03% | 503,214 | $188,725,344 | $208,552,010 | +$19,826,666 | +10.51% | |
| Focus Partners Wealth | 0.19% | 485,602 | $182,115,551 | $201,252,893 | +$19,137,342 | +10.51% | |
| Amundi | 0.04% | 464,501 | $174,206,455 | $192,507,794 | +$18,301,339 | +10.51% | |
| Findlay Park Partners Llp | 2.29% | 451,925 | $169,489,952 | $187,295,797 | +$17,805,845 | +10.51% | |
| Point72 Asset Management, L.P. | 0.25% | 444,225 | $166,602,144 | $184,104,609 | +$17,502,465 | +10.51% | |
| Ameriprise Financial Inc | 0.03% | 436,388 | $163,665,532 | $180,856,643 | +$17,191,111 | +10.50% | |
| Beck Mack & Oliver Llc | 3.17% | 434,149 | $162,823,241 | $179,928,712 | +$17,105,471 | +10.51% | |
| Deutsche Bank Ag\ | 0.05% | 416,850 | $156,335,424 | $172,759,314 | +$16,423,890 | +10.51% | |
| Hsbc Holdings Plc | 0.07% | 397,310 | $148,918,920 | $164,661,156 | +$15,742,236 | +10.57% | |
| Liontrust Investment Partners Llp | 1.98% | 358,979 | $134,631,484 | $148,775,257 | +$14,143,773 | +10.51% | |
| Capital Research Global Investors | 0.02% | 358,198 | $134,338,578 | $148,451,579 | +$14,113,001 | +10.51% |
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.