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Disclosery

WAT WATERS CORP

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Stock (common), issuer CIK 1000697

1,145 managers (1,177 13F filers) reported a position in WAT shares at 2026-06-30, 97,876,523 shares in all. 143 filers opened a position and 135 filers sold out during the quarter.

Managers
1,145
13F filers
1,177
New
143
Added
351
Reduced
477
Sold out
135
Shares held by filers
97,876,523

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q2 2026

Filers in the available 13F reports with a share position at 2026-06-30, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
HEARTLAND ADVISORS INC24,463$9.17M0.41%+12,00213F-HRTimeline
Baird Financial Group, Inc.in group Baird Financial Group, Inc.24,312$9.12M0.01%-8,60213F-HRTimelineGroup
DZ BANK AG Deutsche Zentral Genossensch…in group DZ BANK AG Deutsche Zentral G…24,078$9.03M0.01%+22,72213F-HRTimelineGroup
STOREBRAND ASSET MANAGEMENT AS23,731$8.9M0.02%+39213F-HRTimeline
DUDLEY & SHANLEY, INC.23,590$8.85M1.34%+11,87013F-HRTimeline
CIBC Asset Management Inc23,568$8.84M0.02%-97513F-HRTimeline
KBC Group NVin group KBC Group NV23,034$8.64M0.02%-53613F-HRTimelineGroup
EDMOND DE ROTHSCHILD HOLDING S.A.in group EDMOND DE ROTHSCHILD HOLDING …22,619$8.48M0.11%new13F-HRTimelineGroup
MetLife Investment Management, LLCin group MetLife Investment Management…22,466$8.43M0.04%-1,85813F-HRTimelineGroup
Cinctive Capital Management LP22,035$8.26M0.33%new13F-HRTimeline
IFM Investors Pty Ltd21,933$8.23M0.05%+3,05013F-HRTimeline
DNB Asset Management ASin group DNB Asset Management AS21,718$8.15M0.02%+1,15713F-HRTimelineGroup
Daiwa Securities Group Inc.in group Daiwa Securities Group Inc.21,686$8.13M0.02%-4,90813F-HRTimelineGroup
Leith Wheeler Investment Counsel Ltd.21,142$7.93M0.6%-19313F-HRTimeline
GHP Investment Advisors, Inc.20,844$7.82M0.29%-17013F-HRTimeline
PICTON MAHONEY ASSET MANAGEMENT20,721$7.77M0.07%new13F-HRTimeline
INDEPENDENT INVESTORS INC20,663$7.75M1.48%-5,50013F-HRTimeline
Retirement Systems of Alabama20,626$7.74M0.02%-20113F-HRTimeline
BALDWIN WEALTH PARTNERS LLC/MA20,367$7.64M0.5%-1,26313F-HRTimeline
Wesleyan Assurance Society19,807$7.43M0.38%013F-HRTimeline
SEB Asset Management AB19,738$7.4M0.03%+87713F-HRTimeline
Sequoia Financial Advisors, LLC19,624$7.36M0.04%+40913F-HRTimeline
NWI MANAGEMENT LP19,489$7.31M0.47%013F-HRTimeline
AE Wealth Management LLC19,227$7.21M0.03%+18,31013F-HRTimeline
FIL Ltdin group FIL Ltd18,911$7.09M0.01%-3,05413F-HRTimelineGroup
HARRIS ASSOCIATES L P18,413$6.91M0.01%-270,29913F-HRTimeline
FIFTH THIRD BANK, NATIONAL ASSOCIATIONgroup of 2 filers holding18,035$6.76M-4,072Timeline
Hamilton Capital Partners Inc.17,758$6.66M0.19%+14,50813F-HRTimeline
AMALGAMATED BANK17,456$6.55M0.05%-1,36513F-HRTimeline
Zurich Insurance Group Ltd/FIin group Zurich Insurance Group Ltd/FI17,446$6.54M0.05%new13F-HRTimelineGroup
D.A. DAVIDSON & CO.17,380$6.52M0.04%-57313F-HRTimeline
XPONANCE LLC17,299$6.49M0.04%-2,96813F-HRTimeline
MACKENZIE FINANCIAL CORP17,067$6.4M0.01%-128,88313F-HRTimeline
HEADINVEST, LLC16,932$6.35M1.18%-3813F-HRTimeline
HEALTHCARE OF ONTARIO PENSION PLAN TRUS…16,896$6.34M0.01%-3,99713F-HRTimeline
Ancora Advisors LLCin group Ancora Advisors LLC16,543$6.2M0.12%+7,45713F-HRTimelineGroup
Tidal Investments LLCin group Tidal Investments LLC16,528$6.2M0.02%-2,87813F-HRTimelineGroup
J. Goldman & Co LP16,483$6.18M0.22%+3,19013F-HRTimeline
Aviso Financial Inc.16,376$6.14M0.21%+1,96413F-HRTimeline
Hikari Tsushin, Inc.16,246$6.09M0.4%013F-HRTimeline
Morningstar Investment Management LLCin group Morningstar Investment Manage…20,445$6.09M0.38%013F-HRTimelineGroup
iA Global Asset Management Inc.16,097$6.04M0.07%+14,35713F-HRTimeline
DEROY & DEVEREAUX PRIVATE INVESTMENT CO…16,092$6.04M0.25%-22013F-HRTimeline
Public Sector Pension Investment Board16,001$6M0.02%+15813F-HR/ATimeline
Meiji Yasuda Life Insurance Cogroup of 2 filers holding15,813$5.93M+14,937Timeline
Rakuten Group, Inc.group of 2 filers holding16,070$5.93M+1,500Timeline
ProShare Advisors LLC15,644$5.87M0.01%+63913F-HRTimeline
Allianz Asset Management GmbHin group Allianz SE19,552$5.82M0.01%013F-HRTimelineGroup
JACOBS & CO/CA15,518$5.82M0.5%+2,86413F-HRTimeline
NEOS Investment Management LLC15,252$5.72M0.02%+1,69013F-HRTimeline
DELTA ASSET MANAGEMENT LLC/TN15,128$5.67M0.49%-18113F-HRTimeline
Utah Retirement Systems14,923$5.6M0.05%-1,05113F-HRTimeline
BOOTHBAY FUND MANAGEMENT, LLC14,861$5.57M0.1%new13F-HRTimeline
Police & Firemen's Retirement System of…14,776$5.54M0.04%-30313F-HRTimeline
BRITISH COLUMBIA INVESTMENT MANAGEMENT …14,752$5.53M0.03%+1,20013F-HRTimeline
New York Life Investment Management LLCin group New York Life Investment Mana…14,627$5.49M0.04%+3613F-HRTimelineGroup
WEALTH ENHANCEMENT ADVISORY SERVICES, L…15,755$5.45M0.01%-7813F-HRTimeline
INVESTMENT HOUSE LLC14,163$5.31M0.24%+15013F-HR/ATimeline
Cetera Investment Advisers14,110$5.29M<0.01%+1,01313F-HRTimeline
BRAIDWELL LP14,040$5.27M0.19%new13F-HRTimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.13,955$5.23M0.01%-1,65413F-HRTimelineGroup
COMMONWEALTH EQUITY SERVICES, LLC13,932$5.23M0.01%-3,26713F-HRTimeline
NISSAY ASSET MANAGEMENT CORP /JAPAN13,798$5.17M0.02%+82113F-HRTimeline
Corient Private Wealth LPin group Corient Private Wealth LP13,721$5.15M0.01%-1,72213F-HR/ATimelineGroup
Eurizon Capital SGR S.p.A.13,702$5.14M0.01%+1,60413F-HRTimeline
Sumitomo Mitsui DS Asset Management Com…in group SUMITOMO MITSUI FINANCIAL GRO…13,417$5.03M0.03%-31513F-HRTimelineGroup
Ilmarinen Mutual Pension Insurance Co13,346$5M0.03%013F-HRTimeline
MCRAE CAPITAL MANAGEMENT INC13,142$4.93M0.97%+92413F-HRTimeline
CI INVESTMENTS INC.in group CI INVESTMENTS INC.13,140$4.93M0.02%+8,56513F-HRTimelineGroup
TWINBEECH CAPITAL LP13,100$4.91M0.89%new13F-HRTimeline
Washington Trust Advisors, Inc.12,995$4.87M0.36%-3613F-HRTimeline
GRAYBILL WEALTH MANAGEMENT, LTD.12,758$4.78M1.29%+29613F-HRTimeline
TRILLIUM ASSET MANAGEMENT, LLC12,391$4.65M0.14%+89913F-HRTimeline
Canada Post Corp Registered Pension Plan12,360$4.64M0.16%+1,56213F-HRTimeline
Bank Julius Baer & Co. Ltd, Zurich12,326$4.62M0.01%+4,95013F-HRTimeline
COMMERCE BANKin group COMMERCE BANK12,321$4.62M0.02%-2,13513F-HRTimelineGroup
Jones Kertz & Associates, Inc.12,173$4.57M2.1%-59013F-HRTimeline
NORTHWESTERN MUTUAL INVESTMENT MANAGEME…group of 2 filers holding12,112$4.54M+35Timeline
OREGON PUBLIC EMPLOYEES RETIREMENT FUND12,073$4.53M0.05%+80713F-HRTimeline
Sivik Global Healthcare LLC15,000$4.47M3.39%013F-HRTimeline
Apollon Wealth Management, LLCin group Apollon Wealth Management, LLC11,672$4.38M0.05%+7,60713F-HRTimelineGroup
Wealthfront Advisers LLC11,659$4.37M0.01%+4,06613F-HRTimeline
S&CO INC11,417$4.28M0.25%013F-HRTimeline
PensionDanmark Pensionsforsikringsaktie…11,235$4.21M0.03%-47313F-HRTimeline
TRUIST FINANCIAL CORPin group TRUIST FINANCIAL CORP11,210$4.2M0.01%+34013F-HRTimelineGroup
UniSuper Management Pty Ltd11,097$4.16M0.02%+78813F-HRTimeline
OP Asset Management Ltd10,961$4.11M0.04%+90813F-HRTimeline
Aquatic Capital Management LLC10,897$4.09M0.14%-9,15813F-HRTimeline
Fideuram Asset Management (Ireland) dac11,359$4.08M0.08%new13F-HRTimeline
Rafferty Asset Management, LLC10,809$4.05M0.01%+3,23213F-HRTimeline
NUANCE INVESTMENTS, LLC10,762$4.04M0.69%-29,73813F-HRTimeline
TWO SIGMA INVESTMENTS, LPin group TWO SIGMA INVESTMENTS, LP10,720$4.02M<0.01%-2,45413F-HRTimelineGroup
Savant Capital, LLC10,991$3.99M0.01%+2,42513F-HRTimeline
Ethic Inc.10,608$3.98M0.05%+2,11213F-HRTimeline
GUARDCAP ASSET MANAGEMENT Ltd10,225$3.93M0.28%013F-HR/ATimeline
ALLSTATE CORPin group ALLSTATE CORP10,331$3.87M0.04%-2,45913F-HRTimelineGroup
FIRST MANHATTAN CO. LLC.10,232$3.84M0.01%-24113F-HRTimeline
M&T Bank Corpin group M&T Bank Corp10,179$3.82M0.01%+12713F-HRTimelineGroup
HighTower Advisors, LLC10,108$3.79M<0.01%-3,24813F-HRTimeline
MUTUAL OF AMERICA CAPITAL MANAGEMENT LLCin group MUTUAL OF AMERICA CAPITAL MAN…10,101$3.79M0.04%-31213F-HRTimelineGroup
EASTERLY INVESTMENT PARTNERS LLC10,000$3.75M0.19%new13F-HRTimeline
Wilmington Savings Fund Society, FSB9,956$3.73M0.08%-25113F-HRTimeline
BANK OF NOVA SCOTIAin group BANK OF NOVA SCOTIA9,923$3.72M0.01%-3,73513F-HRTimelineGroup
BLAIR WILLIAM & CO/IL9,795$3.67M0.01%-40913F-HRTimeline
LEAVELL INVESTMENT MANAGEMENT, INC.9,786$3.67M0.13%-21813F-HRTimeline
State of Alaska, Department of Revenue9,621$3.61M0.04%-5113F-HRTimeline
ODDO BHF ASSET MANAGEMENT SAS9,562$3.59M0.17%+1,36913F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
Crossmark Global Holdings, Inc.9,487$3.56M0.05%-6,70913F-HRTimeline
Campbell & CO Investment Adviser LLC9,486$3.56M0.19%-6,51613F-HRTimeline
HM PAYSON & CO9,392$3.52M0.05%-70513F-HRTimeline
PUBLIC EMPLOYEES RETIREMENT ASSOCIATION…9,342$3.5M0.01%013F-HRTimeline
Pathstone Holdings, LLCin group Pathstone Holdings, LLC9,262$3.48M0.01%+7413F-HRTimelineGroup
BECKER CAPITAL MANAGEMENT INC9,258$3.47M0.09%-5713F-HRTimeline
MACQUARIE GROUP LTDin group MACQUARIE GROUP LTD9,223$3.46M0.01%+1,58213F-HRTimelineGroup
PINNACLE ASSOCIATES LTD9,187$3.45M0.04%-1,31913F-HRTimeline
GAMCO Investors (Gabelli)group of 2 filers holding9,168$3.44M-360Timeline
Lighthouse Investment Partners, LLCin group Lighthouse Investment Partner…9,018$3.38M0.11%new13F-HRTimelineGroup
Glenview Trust Co8,921$3.35M0.05%-1,17013F-HR/ATimeline
Linscomb Wealth, Inc.8,821$3.31M0.14%+2513F-HRTimeline
Kentucky Retirement Systemsgroup of 2 filers holding8,779$3.29M-835Timeline
Robinson Value Management, Ltd.8,643$3.24M1.74%new13F-HRTimeline
YOUSIF CAPITAL MANAGEMENT, LLC8,596$3.22M0.04%-75013F-HRTimeline
&PARTNERS8,275$3.1M0.01%+1,47313F-HRTimeline
Erste Asset Management GmbHin group Erste Asset Management GmbH8,268$3.07M0.02%-3,07813F-HRTimelineGroup
MOUNTAIN PACIFIC INVESTMENT ADVISERS LLC8,136$3.05M0.48%-13113F-HRTimeline
MERCER GLOBAL ADVISORS INC /ADV8,018$3.01M<0.01%+28613F-HR/ATimeline
O'SHAUGHNESSY ASSET MANAGEMENT, LLC7,930$2.97M0.01%-3,80913F-HRTimeline
Calamos Advisors LLCin group Calamos Advisors LLC7,914$2.97M0.01%-14713F-HRTimelineGroup
FIGURE 8 INVESTMENT STRATEGIES LLC7,906$2.97M2.51%-1913F-HRTimeline
Pacific Capital Partners Ltd7,896$2.96M2.56%+1,75513F-HRTimeline
Kintegral Advisory, LLCin group Kintegral Advisory, LLC7,885$2.96M0.24%013F-HRTimelineGroup
TEACHERS RETIREMENT SYSTEM OF THE STATE…7,819$2.93M0.02%-90013F-HRTimeline
Federation des caisses Desjardins du Qu…7,750$2.91M0.01%+2,41413F-HRTimeline
Hardman Johnston Global Advisors LLC7,702$2.89M0.1%+47613F-HRTimeline
MIZUHO SECURITIES USA LLCin group MIZUHO FINANCIAL GROUP INC7,687$2.88M0.05%+1,75813F-HR/ATimelineGroup
Argyle Capital Management, LLC7,595$2.85M0.82%013F-HRTimeline
Gulf International Bank (UK) Ltd7,475$2.8M0.06%-9713F-HRTimeline
Pacer Advisors, Inc.7,431$2.79M0.01%+1,28013F-HRTimeline
CARDEROCK CAPITAL MANAGEMENT INC7,417$2.78M0.61%new13F-HRTimeline
BROWN ADVISORY INCin group BROWN ADVISORY INC7,307$2.74M<0.01%-9613F-HRTimelineGroup
Hunter Perkins Capital Management, LLC7,277$2.73M0.61%-3013F-HRTimeline
Cannell & Spears LLC7,063$2.65M0.05%-17513F-HRTimeline
Bahl & Gaynor LLC6,967$2.61M0.01%-69113F-HRTimeline
US BANCORP \DE\in group US BANCORP \DE\6,938$2.6M<0.01%-913F-HRTimelineGroup
BESSEMER GROUP INCin group BESSEMER GROUP INC6,918$2.6M<0.01%+91613F-HRTimelineGroup
Saudi Central Bank6,884$2.58M0.03%+3,25413F-HRTimeline
Woodline Partners LP6,844$2.57M0.01%-101,06613F-HRTimeline
GUGGENHEIM CAPITAL LLCin group GUGGENHEIM CAPITAL LLC6,822$2.56M0.02%-6113F-HRTimelineGroup
Welch & Forbes LLC6,809$2.55M0.03%-79213F-HRTimeline
PARSONS CAPITAL MANAGEMENT INC/RI6,711$2.52M0.11%+82913F-HRTimeline
NS Partners Ltd6,511$2.44M0.1%-1,34713F-HRTimeline
Mariner, LLCin group Mariner, LLC6,400$2.4M<0.01%-1,48413F-HRTimelineGroup
Lafayette Investments, Inc.6,359$2.38M0.44%-6213F-HRTimeline
South Dakota Investment Council6,334$2.38M0.04%013F-HRTimeline
Bryn Mawr Trust Advisors, LLC6,268$2.35M0.1%+35413F-HRTimeline
NICHOLS & PRATT ADVISERS LLP /MAin group NICHOLS & PRATT ADVISERS LLP …6,265$2.35M0.14%+1113F-HRTimelineGroup
1832 Asset Management L.P.6,232$2.34M<0.01%-1,48013F-HRTimeline
TRUST CO OF VERMONT6,224$2.33M0.09%13F-HRTimeline
XTX Topco Ltdin group XTX Topco Ltd6,133$2.3M0.03%+3,17513F-HRTimelineGroup
CIBC WORLD MARKET INC.6,085$2.28M<0.01%+2,57413F-HRTimeline
Empowered Funds, LLC6,004$2.25M0.01%-1,95413F-HRTimeline
UNITED CAPITAL FINANCIAL ADVISORS, LLCin group UNITED CAPITAL FINANCIAL ADVI…5,993$2.25M0.01%+21713F-HRTimelineGroup
Orion Porfolio Solutions, LLC5,968$2.24M0.02%-39613F-HRTimeline
OSTRUM ASSET MANAGEMENT5,939$2.23M0.11%+1,65413F-HRTimeline
Norinchukin Bank, Thein group Norinchukin Bank, The5,824$2.18M0.02%+14713F-HRTimelineGroup
Foyston, Gordon & Payne Inc5,738$2.15M0.46%+11713F-HRTimeline
PEAPACK GLADSTONE FINANCIAL CORP5,688$2.13M0.02%+7013F-HRTimeline
Main Management ETF Advisors, LLCin group Main Management ETF Advisors,…5,656$2.12M0.06%+14013F-HRTimelineGroup
Thrivent Financial for Lutheransin group Thrivent Financial for Luther…5,490$2.06M<0.01%+1,28913F-HRTimelineGroup
World Investment Advisors6,801$2.03M0.03%-16713F-HRTimeline
HARTFORD INVESTMENT MANAGEMENT CO5,406$2.03M0.06%-21713F-HRTimeline
ABN AMRO INVESTMENT SOLUTIONSin group ABN AMRO INVESTMENT SOLUTIONS5,406$2.03M0.02%+1,40613F-HRTimelineGroup
Avanza Fonder AB5,389$2.02M0.04%-54613F-HRTimeline
Maryland State Retirement & Pension Sys…5,374$2.02M0.03%+43113F-HRTimeline
PINNBROOK CAPITAL MANAGEMENT LP5,360$2.01M0.33%new13F-HRTimeline
MML INVESTORS SERVICES, LLC5,315$1.99M<0.01%+41513F-HRTimeline
BROWN BROTHERS HARRIMAN & COin group BROWN BROTHERS HARRIMAN & CO5,306$1.99M0.01%+2,26113F-HRTimelineGroup
MAI Capital Management5,287$1.98M0.01%-27013F-HRTimeline
KEYBANK NATIONAL ASSOCIATION/OHin group KEYBANK NATIONAL ASSOCIATION/…5,268$1.98M0.01%+1,39213F-HRTimelineGroup
Westchester Capital Management, Inc.5,228$1.96M0.35%-95613F-HRTimeline
BI Asset Management Fondsmaeglerselskab…in group BI Asset Management Fondsmaeg…5,114$1.92M0.02%-55613F-HRTimelineGroup
OMERS ADMINISTRATION Corp5,113$1.92M0.01%-5,53913F-HRTimeline
Capital Analysts, LLCin group Capital Analysts, LLC5,008$1.88M0.04%-49813F-HRTimelineGroup
Louisiana State Employees Retirement Sy…5,000$1.88M0.03%013F-HR/ATimeline
BRADLEY FOSTER & SARGENT INC/CT4,986$1.87M0.03%-15513F-HRTimeline
NEW MEXICO EDUCATIONAL RETIREMENT BOARD4,935$1.85M0.05%+30013F-HRTimeline
NORTH STAR ASSET MANAGEMENT INC4,925$1.85M0.07%013F-HRTimeline
Marks Group Wealth Management, Inc4,920$1.85M0.16%+43913F-HRTimeline
Foguth Wealth Management, LLC.5,129$1.83M0.21%013F-HRTimeline
AG2R LA MONDIALE GESTION D'ACTIFS4,870$1.83M0.07%-36213F-HRTimeline
Northwest & Ethical Investments L.P.4,862$1.82M0.04%-55,21713F-HRTimeline
HAHN CAPITAL MANAGEMENT LLC4,843$1.82M1.1%-15913F-HRTimeline
SummitTX Capital, L.P.4,828$1.81M0.05%new13F-HRTimeline
Hikari Power Ltd4,780$1.79M0.21%-3,24413F-HRTimeline
Rockefeller Capital Management L.P.in group Rockefeller Capital Managemen…4,776$1.79M<0.01%-22013F-HRTimelineGroup
B. Metzler seel. Sohn & Co. AGin group B. Metzler seel. Sohn & Co. AG4,749$1.78M0.02%-75213F-HRTimelineGroup
E. Ohman J:or Asset Management AB4,735$1.78M0.04%+35013F-HRTimeline
Squarepoint Ops LLCin group Squarepoint Ops LLC4,670$1.75M<0.01%+2,06313F-HRTimelineGroup
OPPENHEIMER ASSET MANAGEMENT INC.group of 2 filers holding4,620$1.73M-444Timeline
GAMMA Investing LLC4,618$1.73M0.06%+1,70713F-HRTimeline