WATERS CORP (WAT) is held by 316 institutional investors that disclose positions via SEC 13F filings. The largest disclosed holder is BlackRock, Inc. as of Q1 2026.

Are institutions buying or selling WAT?

In Q1 2026, 275 institutions opened or increased positions in WATERS CORP while 51 reduced or exited — a net buying quarter.

What is the Smart Money Verdict on WAT?

The Smart Money Verdict combines four independent sources (institutional 13F activity, insider trades, activist filings, and congressional trades) into a single assessment for WATERS CORP.

How many hedge funds hold WAT?

316 institutional investors report holding WATERS CORP (WAT) as of Q1 2026, based on SEC 13F filings.

Is institutional money flowing into WAT?

As of Q1 2026, tracked institutions in WATERS CORP show 275 buyers versus 51 sellers — net inflows.

Are Congress members and hedge funds both buying WAT?

Yes — in the latest quarter, 6 members of Congress and 275 institutional investors bought WATERS CORP. HoldingsIntel cross-checks STOCK Act disclosures against 13F filings to surface these overlaps.

WATERS CORP

WAT·941848103·US·Common Stock·Healthcare - Diagnostics & Research-13D/G

316

Holders

(29 Elite)

$25.3B

Total Value

84% (326)

Consensus

275 buying - 51 selling

13F: Mar 31, 2026Insider & Congress: Updated regularly

Smart Money Verdict

View all

Held by 316 funds

29 elite

Who's Trading

Activist

Fundsmith LLP4.4%May 15, 2026

ActivistVAVanguard Capital Management7.5%Apr 30, 2026

Congress

Rohit KhannaBuy $1,001 - $15,000Apr 24, 2026

Activist

BlackRock, Inc.7.8%Apr 24, 2026

Congress

Rohit KhannaBuyApr 21, 2026

Congress

Gilbert CisnerosBuy $1,001 - $15,000Mar 18, 2026

InsiderJWJiang WeiBuy $145KMar 16, 2026

Congress

Thomas H. Kean JrSale $1,001 - $15,000Mar 10, 2026

Congress

Rohit KhannaBuy $15,001 - $50,000Mar 10, 2026

InsiderFHFEARON RICHARD HBuy $306KMar 6, 2026

View all insider trades View all activist filings View all congressional trades

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
BlackRock, Inc.	Increased	8.5M(+57.3%)	$2.5B	0.0%	+7.81%	45
MASSACHUSETTS FINANCIAL SERVICES CO /MA/	Increased	4.6M(+76.4%)	$2.1B	0.7%	+31.38%	68
VAVANGUARD CAPITAL MANAGEMENT LLC	New	6.4M	$1.9B	0.0%	+20.60%	44
VPVANGUARD PORTFOLIO MANAGEMENT LLC	New	4.8M	$1.4B	0.1%	+20.60%	44
STATE STREET CORP	Increased	4.4M(+62.6%)	$1.3B	0.0%	+16.26%	46
Fundsmith LLP	Decreased	3.2M(-9.7%)	$956.6M	7.5%	+85.05%	0
ALLIANCEBERNSTEIN L.P.	Increased	2.1M(+2.4%)	$804M	0.3%	+17.26%	39
GEODE CAPITAL MANAGEMENT, LLC	Increased	2.6M(+66.1%)	$785.1M	0.0%	+38.26%	47
Invesco Ltd.	Increased	2.2M(+85.8%)	$645.7M	0.1%	+26.88%	49
JPMORGAN CHASE & CO	Increased	2M(+354.9%)	$579M	0.0%	+17.41%	51
Janus Henderson Group Ltd.	Increased	1.6M(+27.0%)	$488M	0.2%	+33.91%	46
First Eagle Investment Management, LLC	New	1.6M	$469.1M	0.8%	+20.60%	61
Mawer Investment Management Ltd.	Increased	1.4M(+8.1%)	$418M	2.7%	+34.42%	58
VIKING GLOBAL INVESTORS LP	New	1.3M	$374.2M	1.0%	+20.60%	71
MORGAN STANLEY	Increased	1.2M(+69.9%)	$363.9M	0.0%	+18.69%	46
Veritas Asset Management LLP	Decreased	1.2M(-3.3%)	$357.6M	6.1%	+10.90%	0
PRICE T ROWE ASSOCIATES INC /MD/	Increased	1.1M(+67.5%)	$334.7M	0.0%	+7.60%	46
NORTHERN TRUST CORP	Increased	1M(+52.3%)	$310.4M	0.0%	+31.72%	43
DED. E. Shaw & Co., Inc.	Increased	1M(+191.3%)	$305.3M	0.2%	+21.45%	60
PRINCIPAL FINANCIAL GROUP INC	Increased	1M(+17.0%)	$303.6M	0.2%	+22.14%	43