Ticker · CUSIP 941848103

WAT

WATERS CORP
Healthcare·Diagnostics & Research
···Share
Holders (tracked)
17
Combined shares
2,847,685
Combined value
$826.99M
Last close
$319.04
Quarter
2025Q4
Tracked holders · last 8 quarters
+5 vs previous quarter over the last 8.
17162024Q12025Q4
Price is +9.9% vs the avg quarter-end implied price across tracked holders.

SEC event timeline

23 events
  1. AQR Capital Management trimmed2026-02-17
    −51,220 shares · 2025Q4
    13F
  2. Two Sigma Investments added2026-02-17
    +4,744 shares · 2025Q4
    13F
  3. Izzy Englander (Millennium Mgmt) added2026-02-17
    +516,094 shares · 2025Q4
    13F
  4. Steve Cohen (Point72) added2026-02-17
    +37,079 shares · 2025Q4
    13F
  5. Ken Griffin (Citadel Advisors) added2026-02-17
    +89,864 shares · 2025Q4
    13F
  6. T. Rowe Price added2026-02-17
    +561,047 shares · 2025Q4
    13F
  7. Wellington Management trimmed2026-02-17
    −90,810 shares · 2025Q4
    13F
  8. Paul Tudor Jones (Tudor Investment) opened position2026-02-17
    +25,068 shares · 2025Q4
    13F
  9. D.E. Shaw & Co. added2026-02-17
    +60,161 shares · 2025Q4
    13F
  10. Ray Dalio (Bridgewater Associates) exited2026-02-13
    −1,482 shares · 2025Q4
    13F
  11. Norges Bank (Norway SWF) opened position2026-02-10
    +699,659 shares · 2025Q4
    13F
  12. AQR Capital Management trimmed2025-11-14
    −127,681 shares · 2025Q3
    13F
  13. Izzy Englander (Millennium Mgmt) trimmed2025-11-14
    −28,419 shares · 2025Q3
    13F
  14. Steve Cohen (Point72) opened position2025-11-14
    +25,877 shares · 2025Q3
    13F
  15. Two Sigma Investments trimmed2025-11-14
    −35,831 shares · 2025Q3
    13F
  16. D.E. Shaw & Co. added2025-11-14
    +290,706 shares · 2025Q3
    13F
  17. T. Rowe Price added2025-11-14
    +24,044 shares · 2025Q3
    13F
  18. Wellington Management trimmed2025-11-14
    −95,316 shares · 2025Q3
    13F
  19. Ron Baron (Baron Capital / BAMCO) exited2025-11-14
    −14,000 shares · 2025Q3
    13F
  20. Norges Bank (Norway SWF) exited2025-11-13
    −763,190 shares · 2025Q3
    13F
  21. Ray Dalio (Bridgewater Associates) opened position2025-11-13
    +1,482 shares · 2025Q3
    13F
  22. Jeremy Grantham (GMO) opened position2025-11-13
    +4,800 shares · 2025Q3
    13F
  23. Norges Bank (Norway SWF) added2025-11-12
    +154,805 shares · 2024Q3
    13F

Insider activity

No insider transactions in the last 30 days.
View full insider history for WAT →
Follow-the-investor returns
If you'd copied each holder of WAT…
Cost basis inferred from 13F share-delta history. Sorted by % return on the position they're still holding.
InvestorFirst inCost basisReturnPosition value today
T. Rowe Price2016Q1$34.92+813.7%$214.1M
Jeremy Grantham (GMO)2016Q1$311.58+2.4%$1.5M
D.E. Shaw & Co.2016Q1$313.58+1.7%$112.3M
Two Sigma Investments2016Q3$351.69-9.3%$2.6M
AQR Capital Management2016Q1$352.46-9.5%$9.6M
Wellington Management2016Q1$354.68-10.0%$87.0M
Ken Griffin (Citadel Advisors)2016Q2$374.22-14.7%$44.5M
Ken Griffin (Citadel Advisors)2016Q2$374.22-14.7%$44.5M
Ken Griffin (Citadel Advisors)2016Q2$374.22-14.7%$44.5M
Steve Cohen (Point72)2017Q3$374.23-14.7%$1.5M
Steve Cohen (Point72)2017Q3$374.23-14.7%$1.5M
Steve Cohen (Point72)2017Q3$374.23-14.7%$1.5M
Paul Tudor Jones (Tudor Investment)2016Q2$375.25-15.0%$223K
Paul Tudor Jones (Tudor Investment)2016Q2$375.25-15.0%$223K
Paul Tudor Jones (Tudor Investment)2016Q2$375.25-15.0%$223K
Izzy Englander (Millennium Mgmt)2016Q2$378.68-15.7%$171.9M
Norges Bank (Norway SWF)2016Q1$28986.45-98.9%$223.2M

Who moved on this name in 2025Q4

13F transactions reported for the latest quarter, grouped by direction.
New positions2
Added to6
Trimmed2
Exited1

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2022Q1
18
$159.71B
2022Q2
17
$202.85B
2022Q3
17
$204.4M
2022Q4
19
$3.27B
2023Q1
18
$2.72B
2023Q2
16
$2.17B
2023Q3
15
$1.77B
2023Q4
14
$2.21B
2024Q1
16
$2.60B
2024Q2
16
$2.05B
2024Q3
12
$451.1M
2024Q4
9
$459.3M
2025Q1
11
$313.4M
2025Q2
11
$547.4M
2025Q3
12
$265.6M
2025Q4
17
$827.0M
Congress members trading this stock
DateMemberTypeAmount rangeFiling
2026-03-18Gilbert CisnerosBuy$1K – $15KPDF ↗
2026-03-10Thomas H. KeanSell (P)$1K – $15KPDF ↗
2026-02-13Thomas H. KeanSell (P)$1K – $15KPDF ↗
2026-02-10Debbie DingellSell$1K – $15KPDF ↗
2026-02-09Kevin HernSell$1K – $15KPDF ↗
2025-12-08Julia LetlowBuy$1K – $15KPDF ↗
2025-09-30Gilbert CisnerosBuy$1K – $15KPDF ↗
2025-08-26Gilbert CisnerosBuy$1K – $15KPDF ↗
2025-08-13Gilbert CisnerosBuy$1K – $15KPDF ↗
2025-08-12Gilbert CisnerosBuy$1K – $15KPDF ↗
2025-07-22Lisa McClainSell$1K – $15KPDF ↗
2025-07-16Lisa McClainBuy$1K – $15KPDF ↗

Who owns WAT

17 super-investors · 2025Q4
Tracked stake
2.85M
shares
Combined value
$827M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New4Added10Trim2Held1
#ManagerSharesValue
1Norges Bank
Norway SWF
699.7K$266M
2Izzy Englander
Millennium Mgmt
538.7K$205M
3D.E. Shaw & Co.352.0K$134M
4Wellington Management272.7K$104M
5Ken Griffin
Citadel Advisors
139.5K$53M
6Steve Cohen
Point72
63.0K$24M
7AQR Capital Management30.1K$11M
8Paul Tudor Jones
Tudor Investment
25.1K$10M
9Ken Griffin
Citadel Advisors
22.2K$8M
10Ken Griffin
Citadel Advisors
11.3K$4M
11Two Sigma Investments8.2K$3M
12Jeremy Grantham
GMO
4.8K$2M
13Steve Cohen
Point72
4.6K$2M
14Steve Cohen
Point72
3.1K$1M
15Paul Tudor Jones
Tudor Investment
900$342K
16Paul Tudor Jones
Tudor Investment
700$266K
17T. Rowe Price671.1K$255K

Recent moves

20 transactions
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