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Waters Corp
WAT

763 hedge funds and large institutions have $21.3B invested in Waters Corp in 2025 Q1 according to their latest regulatory filings, with 75 funds opening new positions, 282 increasing their positions, 270 reducing their positions, and 61 closing their positions.

New
Increased
Maintained
Reduced
Closed

185% more call options, than puts

Call options by funds: $33.4M | Put options by funds: $11.7M

23% more first-time investments, than exits

New positions opened: 75 | Existing positions closed: 61

14% more funds holding in top 10

Funds holding in top 10: 7 → 8 (+1)

1.09% more ownership

Funds ownership: 96.08% → 97.17% (+1.1%)

4% more repeat investments, than reductions

Existing positions increased: 282 | Existing positions reduced: 270

1% more funds holding

Funds holding: 759 → 763 (+4)

0% more capital invested

Capital invested by funds: $21.2B → $21.3B (+$92M)

Holders
763
Holders Change
+4
Holders Change %
+0.53%
% of All Funds
10.23%
Holding in Top 10
8
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+14.29%
% of All Funds
0.11%
New
75
Increased
282
Reduced
270
Closed
61
Calls
$33.4M
Puts
$11.7M
Net Calls
+$21.7M
Net Calls Change
+$3.84M

Top Buyers

1
BlackRock
BlackRock
New York
+$177M
2
AllianceBernstein
AllianceBernstein
Tennessee
+$161M
3
Wellington Management Group
Wellington Management Group
Massachusetts
+$107M
4
Vanguard Group
Vanguard Group
Pennsylvania
+$67.2M
5
Thrivent Financial for Lutherans
Thrivent Financial for Lutherans
Minnesota
+$63M

Top Sellers

1
GIM
Generation Investment Management
United Kingdom
-$300M
2
Millennium Management
Millennium Management
New York
-$115M
3
Impax Asset Management Group
Impax Asset Management Group
United Kingdom
-$112M
4
Aberdeen Group
Aberdeen Group
United Kingdom
-$73.1M
5
BTW
Boston Trust Walden
Massachusetts
-$50.2M
Name Holding Trade Value Shares
Change 		Change in
Stake
Vanguard Group
1
Vanguard Group
Pennsylvania
$2.68B +$67.2M +173,584 +2%
BlackRock
2
BlackRock
New York
$2.56B +$177M +457,148 +7%
Fundsmith LLP
3
Fundsmith LLP
United Kingdom
$1.33B -$8.26M -21,325 -0.6%
AllianceBernstein
4
AllianceBernstein
Tennessee
$1.13B +$161M +416,669 +16%
State Street
5
State Street
Massachusetts
$972M +$14.1M +36,433 +1%
Massachusetts Financial Services
6
Massachusetts Financial Services
Massachusetts
$762M +$47.7M +123,215 +6%
Bank of New York Mellon
7
Bank of New York Mellon
New York
$668M -$26.9M -69,421 -4%
Geode Capital Management
8
Geode Capital Management
Massachusetts
$555M +$22.7M +58,752 +4%
FIS
9
Fundsmith Investment Services
Mauritius
$448M -$3.52M -9,098 -0.7%
Invesco
10
Invesco
Georgia
$410M +$52.8M +136,396 +14%
AC
11
AKO Capital
United Kingdom
$327M +$27.8M +71,836 +9%
Janus Henderson Group
12
Janus Henderson Group
United Kingdom
$326M +$4.71M +12,173 +1%
Norges Bank
13
Norges Bank
Norway
$301M +$19.9M +51,298 +7%
GIM
14
Generation Investment Management
United Kingdom
$278M -$300M -774,794 -51%
Northern Trust
15
Northern Trust
Illinois
$273M +$6.03M +15,563 +2%
Principal Financial Group
16
Principal Financial Group
Iowa
$272M +$3.69M +9,522 +1%
Morgan Stanley
17
Morgan Stanley
New York
$263M +$4.81M +12,428 +2%
GAM
18
GuardCap Asset Management
United Kingdom
$258M -$42.5M -109,698 -14%
LCOV
19
London Company of Virginia
Virginia
$220M -$7.37M -19,023 -3%
FPP
20
Findlay Park Partners
United Kingdom
$214M +$21.7M +56,000 +11%
Wellington Management Group
21
Wellington Management Group
Massachusetts
$211M +$107M +276,433 +93%
UBS AM
22
UBS AM
Illinois
$196M +$10.8M +28,018 +6%
Mawer Investment Management
23
Mawer Investment Management
Alberta, Canada
$189M -$2.42M -6,262 -1%
CIP
24
Champlain Investment Partners
Vermont
$184M +$7.69M +19,874 +4%
Dimensional Fund Advisors
25
Dimensional Fund Advisors
Texas
$179M -$1.79M -4,612 -0.9%
1
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WAT Hedge Fund Activity: Q1 2025 in Review

763 of the 7,457 institutional investors tracked by Wall St. Rank reported a position in Waters Corp (WAT) for Q1 2025, worth a combined $21.3B — up 0.43% from $21.2B a quarter earlier.

Buyers outnumbered sellers: 75 funds opened new WAT positions and 61 closed out — a net gain of 14 holders — while 282 added to existing stakes and 270 trimmed.

The largest buyer was BlackRock, adding an estimated $177M. The largest seller was Generation Investment Management, cutting an estimated $300M.

  • 763 institutional investors held Waters Corp (WAT) as of Q1 2025, up from 759 in Q4 2024.
  • Funds reported $21.3B of Waters Corp stock for Q1 2025, up 0.43% quarter-over-quarter.
  • 75 funds opened new Waters Corp positions in Q1 2025 and 61 closed out, a net change of +14 holders.
  • The largest Waters Corp buyer in Q1 2025 was BlackRock, an estimated $177M added.
  • The largest Waters Corp seller in Q1 2025 was Generation Investment Management, an estimated $300M sold.

Based on aggregated 13F filings for Q1 2025.