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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

Rank Fund Capital Flow
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

Rank Fund Capital Flow
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
CAM
751
Chesapeake Asset Management
New York
$737 – – –
BHWM
752
Bay Harbor Wealth Management
Maryland
$737 +$774 +2 New
WA
753
Whipplewood Advisors
Colorado
$737 +$40.3K +104 +5,200%
OP
754
ORG Partners
Indiana
$712 +$774 +2 New
WW
755
Winnow Wealth
Texas
$592 – – –
Q1WB
756
Quest 10 Wealth Builders
Virginia
$468 +$387 +1 New
AF
757
Advisornet Financial
Minnesota
$369 – – –
JFG
758
JDM Financial Group
Texas
$369 – – –
PWM
759
Parkworth Wealth Management
California
$369 – – –
ACA
760
American Capital Advisory
Idaho
$369 +$387 +1 New
BCM
761
Blume Capital Management
California
$369 +$387 +1 New
HIA
762
HFM Investment Advisors
New Jersey
$369 +$387 +1 New
HF
763
HRT Financial
New York
– -$31.1M -83,760 Closed
PIM
764
Progressive Investment Management
Oregon
– -$7.45M -20,076 Closed
JG
765
Jain Global
New York
– -$5.34M -14,398 Closed
Two Sigma Advisers
766
Two Sigma Advisers
New York
– -$2.89M -7,800 Closed
Arrowstreet Capital
767
Arrowstreet Capital
Massachusetts
– -$2.46M -6,619 Closed
YIH
768
Y-Intercept (HK)
Hong Kong
– -$1.98M -5,347 Closed
Twin Tree Management
769
Twin Tree Management
Texas
– -$1.83M -4,945 Closed
WI
770
WBI Investments
New Jersey
– -$1.53M -4,129 Closed
BCM
771
Bayesian Capital Management
New York
– -$1.27M -3,436 Closed
ACM
772
Aquatic Capital Management
Illinois
– -$1.04M -2,808 Closed
PAS
773
Park Avenue Securities
New York
– -$939K -2,531 Closed
CFM
774
Catalyst Funds Management
Australia
– -$594K -1,600 Closed
BPC
775
Bryce Point Capital
New York
– -$525K -1,415 Closed
29 30
31
32 33

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.