WhaleCreep

Which hedge funds own WAT? WATERS CORP, Q2 2026 13F holders

HealthcareDiagnostics & Research

68 tracked hedge funds disclosed a position in WAT (WATERS CORP) in their Q2 2026 13F filings, worth $4.1bn in total. The largest holder by portfolio weight is Fundsmith Investment Services Ltd. at 7.0% of its book. 20 opened a new position this quarter: Rivermont Capital Management LP, XN LP, Sone Capital Management, LLC, Twinbeech Capital LP. 13 exited: Elwood Capital Partners LP, ClearAlpha Technologies LP, Vestal Point Capital, LP.

68
Holders
Tracked managers whose filing for the quarter reports a long equity position in the security.
20
New this quarter
Holders whose previous filing (at most two quarters earlier) did not report the security.
13
Exited this quarter
Tracked managers whose previous filing reported the security and whose filing for the quarter does not.
$213m
Inflow, new holders
Combined value of the positions the new holders reported for the quarter.
$47.2m
Outflow, exits
Combined value the exiting managers reported for the security in their previous filing.
$4.1bn
Combined value
Sum of the holders' reported positions in the security.
5.5%
Share of managers holding
Holders as a share of tracked managers filing for that quarter. Comparable across the 2024 coverage expansion, where the raw holder count is not.

Holders, Q2 2026

68 rows
Fundsmith Investment Services Ltd. Hedge fund7.0%$314m837,764−24%reduced
Fundsmith (Terry Smith) Long-only investor6.2%$853m2.27m−29%reduced
Arvin Capital Management LP Hedge fund3.9%$21.0m55,975+450%added
Rivermont Capital Management LP Hedge fund3.5%$24.6m65,467–new
Sivik Global Healthcare LLC Hedge fund3.4%$4.5m15,0000.0%held
Findlay Park Partners Long-only investor2.3%$169m451,925−3.3%reduced
PFM Health Sciences, LP Hedge fund1.9%$22.4m59,825+50%added
XN LP Hedge fund1.9%$72.4m193,146–new
Viking Global Investors LP Hedge fund1.8%$623m1.66m+32%added
AKO Capital LLP Hedge fund1.8%$76.3m203,356−75%reduced
Sone Capital Management, LLC Hedge fund1.7%$22.8m60,706–new
Meridiem Capital Partners LP Hedge fund1.7%$37.2m99,260−52%reduced
Empyrean Capital Partners, LP Hedge fund1.4%$39.6m105,500+15%added
Parkman Healthcare Partners LLC Hedge fund1.2%$11.3m30,206+14%added
Twinbeech Capital LP Hedge fund0.9%$4.9m13,100–new
Armistice Capital, LLC Hedge fund0.8%$28.1m75,004–new
Caden Capital Partners, LP Hedge fund0.7%$61.1k1630.0%held
Holocene Advisors, LP Hedge fund0.7%$318m847,774−7.6%reduced
Integral Health Asset Management, LLC Hedge fund0.6%$15.0m40,000–new
Nwi Management LP Hedge fund0.5%$7.3m19,4890.0%held
Pinnbrook Capital Management LP Hedge fund0.3%$2.0m5,360–new
Cinctive Capital Management LP Hedge fund0.3%$8.3m22,035–new
Orbimed Advisors LLC Hedge fund0.3%$15.1m40,300–new
Hyperion Capital Advisors LP Hedge fund0.3%$620k1,6530.0%held
Point72 Asset Management, L.P. Hedge fund0.3%$167m444,225+25%added
Kintegral Advisory, LLC Hedge fund0.2%$3.0m7,8850.0%held
Millennium Management LLC Hedge fund0.2%$336m894,660+383%added
D. E. Shaw & Co., Inc. Hedge fund0.2%$356m948,639−7.5%reduced
J. Goldman & Co LP Hedge fund0.2%$6.2m16,483+24%added
Braidwell LP Hedge fund0.2%$5.3m14,040–new
Campbell & CO Investment Adviser LLC Hedge fund0.2%$3.6m9,486−41%reduced
Marshall Wace, LLP Hedge fund0.2%$218m581,332+156%added
111 Capital Hedge fund0.2%$898k2,395–new
Aquatic Capital Management LLC Hedge fund0.1%$4.1m10,897−46%reduced
Qsemble Capital Management, LP Hedge fund0.1%$945k2,520+63%added
Jain Global LLC Hedge fund0.1%$9.7m25,839+108%added
Oak Thistle LLC Hedge fund0.1%$1.1m3,010–new
Lighthouse Investment Partners, LLC Hedge fund0.1%$3.4m9,018–new
Boothbay Fund Management, LLC Hedge fund0.1%$5.6m14,861–new
Concentric Capital Strategies, LP Hedge fund0.10%$1.6m4,160–new
Balyasny Asset Management L.P. Hedge fund0.09%$51.9m138,443+8260%added
Dark Forest Capital Management LP Hedge fund0.08%$1.2m3,174+232%added
Adage Capital Partners GP, L.L.C. Hedge fund0.08%$54.2m144,556+65%added
Verition Fund Management LLC Hedge fund0.07%$9.4m25,040+32%added
IFM Investors Pty Ltd Hedge fund0.05%$8.2m21,933+16%added
SummitTX Capital, L.P. Hedge fund0.05%$1.8m4,828–new
Candriam S.C.A. Hedge fund0.04%$9.6m25,725−0.2%held
Arrowstreet Capital, Limited Partnership Hedge fund0.03%$66.5m177,334+19%added
Citadel Advisors LLC Hedge fund0.03%$50.9m135,686−35%reduced
Catalyst Funds Management Pty Ltd Hedge fund0.03%$510k1,360+48%added