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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
EIP
51
Epoch Investment Partners
New York
$64.1M +$3.83M +9,901 +6%
Natixis Advisors
52
Natixis Advisors
Massachusetts
$63.8M +$6.36M +16,423 +10%
Pictet Asset Management
53
Pictet Asset Management
Switzerland
$63.5M +$51.8M +133,735 +346%
Swiss National Bank
54
Swiss National Bank
Switzerland
$61.7M -$77.4K -200 -0.1%
Nordea Investment Management
55
Nordea Investment Management
Sweden
$59.2M -$4.91M -12,684 -7%
RS
56
Robeco Schweiz
Switzerland
$52.5M -$16.5M -42,625 -23%
Sumitomo Mitsui Trust Group
57
Sumitomo Mitsui Trust Group
Japan
$49.4M -$512K -1,323 -1%
Barclays
58
Barclays
United Kingdom
$49.2M +$6.46M +16,672 +14%
BNP Paribas Financial Markets
59
BNP Paribas Financial Markets
France
$48.9M +$9.02M +23,296 +21%
RhumbLine Advisers
60
RhumbLine Advisers
Massachusetts
$46.3M +$3.63M +9,365 +8%
BDLIB
61
Banque de Luxembourg Investments (BLI)
Luxembourg
$45.9M -$3.68M -9,500 -7%
State Farm Mutual Automobile Insurance
62
State Farm Mutual Automobile Insurance
Illinois
$44.6M – – –
Envestnet Asset Management
63
Envestnet Asset Management
Illinois
$44.3M -$29.8K -77 -0.1%
Aviva
64
Aviva
United Kingdom
$43.3M +$2.13M +5,514 +5%
Franklin Resources
65
Franklin Resources
California
$41.7M +$5.55M +14,341 +15%
Raymond James Financial
66
Raymond James Financial
Florida
$41.6M +$1.51M +3,888 +4%
Mackenzie Financial
67
Mackenzie Financial
Ontario, Canada
$40.6M -$10.6M -27,485 -20%
National Pension Service
68
National Pension Service
South Korea
$38.9M +$3.22M +8,323 +9%
Mitsubishi UFJ Asset Management
69
Mitsubishi UFJ Asset Management
Japan
$38.8M +$3.57M +9,216 +10%
SBWIC
70
Schaper Benz & Wise Investment Counsel
Wisconsin
$38.6M -$577K -1,489 -1%
California Public Employees Retirement System
71
California Public Employees Retirement System
California
$37.3M -$430K -1,111 -1%
OCBCO
72
Oversea-Chinese Banking Corp (OCBC)
Singapore
$36.9M +$3.67M +9,489 +10%
AQR Capital Management
73
AQR Capital Management
Connecticut
$36.5M +$29.9M +77,253 +324%
Two Sigma Investments
74
Two Sigma Investments
New York
$34.4M -$6.96M -17,987 -16%
Fidelity Investments
75
Fidelity Investments
Massachusetts
$34M +$677K +1,748 +2%
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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.